Merge remote-tracking branch 'origin/master' into master

app/src/main/java/io/legado/app/api/controller/BookController.kt

@@ -108,6 +108,9 @@ object BookController {
             return returnData.setErrorMsg("参数url不能为空，请指定书籍地址")
         }
         val chapterList = appDb.bookChapterDao.getChapterList(bookUrl)
+        if (chapterList.isEmpty()) {
+            return refreshToc(parameters)
+        }
         return returnData.setData(chapterList)
     }
 

app/src/main/java/io/legado/app/base/adapter/ItemAnimation.kt

@@ -53,28 +53,33 @@ class ItemAnimation private constructor() {
 
     companion object {
         const val NONE: Int = 0x00000000
+
         /**
          * Use with [.openLoadAnimation]
          */
         const val FADE_IN: Int = 0x00000001
+
         /**
          * Use with [.openLoadAnimation]
          */
         const val SCALE_IN: Int = 0x00000002
+
         /**
          * Use with [.openLoadAnimation]
          */
         const val BOTTOM_SLIDE_IN: Int = 0x00000003
+
         /**
          * Use with [.openLoadAnimation]
          */
         const val LEFT_SLIDE_IN: Int = 0x00000004
+
         /**
          * Use with [.openLoadAnimation]
          */
         const val RIGHT_SLIDE_IN: Int = 0x00000005
 
         fun create() = ItemAnimation()
-        
+
     }
 }

app/src/main/java/io/legado/app/base/adapter/animations/AlphaInAnimation.kt

@@ -5,7 +5,8 @@ import android.animation.ObjectAnimator
 import android.view.View
 
 
-class AlphaInAnimation @JvmOverloads constructor(private val mFrom: Float = DEFAULT_ALPHA_FROM) : BaseAnimation {
+class AlphaInAnimation @JvmOverloads constructor(private val mFrom: Float = DEFAULT_ALPHA_FROM) :
+    BaseAnimation {
 
     override fun getAnimators(view: View): Array<Animator> =
         arrayOf(ObjectAnimator.ofFloat(view, "alpha", mFrom, 1f))

app/src/main/java/io/legado/app/base/adapter/animations/ScaleInAnimation.kt

@@ -5,7 +5,8 @@ import android.animation.ObjectAnimator
 import android.view.View
 
 
-class ScaleInAnimation @JvmOverloads constructor(private val mFrom: Float = DEFAULT_SCALE_FROM) : BaseAnimation {
+class ScaleInAnimation @JvmOverloads constructor(private val mFrom: Float = DEFAULT_SCALE_FROM) :
+    BaseAnimation {
 
     override fun getAnimators(view: View): Array<Animator> {
         val scaleX = ObjectAnimator.ofFloat(view, "scaleX", mFrom, 1f)

app/src/main/java/io/legado/app/data/entities/Book.kt

@@ -67,6 +67,7 @@ data class Book(
     fun isEpub(): Boolean {
         return originName.endsWith(".epub", true)
     }
+
     fun isUmd(): Boolean {
         return originName.endsWith(".umd", true)
     }

app/src/main/java/io/legado/app/data/entities/BookSource.kt

@@ -50,7 +50,7 @@ data class BookSource(
     @delegate:Ignore
     @IgnoredOnParcel
     val exploreKinds by lazy {
-        val exploreUrl = exploreUrl?.trim() ?: return@lazy emptyList()
+        val exploreUrl = exploreUrl ?: return@lazy emptyList()
         val kinds = arrayListOf<ExploreKind>()
         var ruleStr = exploreUrl
         if (ruleStr.isNotBlank()) {

app/src/main/java/io/legado/app/data/entities/ReplaceRule.kt

@@ -41,12 +41,12 @@ data class ReplaceRule(
         return id.hashCode()
     }
 
-    fun isValid(): Boolean{
-        if (TextUtils.isEmpty(pattern)){
+    fun isValid(): Boolean {
+        if (TextUtils.isEmpty(pattern)) {
             return false
         }
         //判断正则表达式是否正确
-        if (isRegex){
+        if (isRegex) {
             try {
                 Pattern.compile(pattern)
             } catch (ex: PatternSyntaxException) {

app/src/main/java/io/legado/app/data/entities/SearchBook.kt

@@ -38,41 +38,41 @@ data class SearchBook(
     var time: Long = System.currentTimeMillis(),
     var variable: String? = null,
     var originOrder: Int = 0
-): Parcelable, BaseBook, Comparable<SearchBook> {
-    
+) : Parcelable, BaseBook, Comparable<SearchBook> {
+
     @Ignore
     @IgnoredOnParcel
     override var infoHtml: String? = null
-    
+
     @Ignore
     @IgnoredOnParcel
     override var tocHtml: String? = null
-    
+
     override fun equals(other: Any?) = other is SearchBook && other.bookUrl == bookUrl
-    
+
     override fun hashCode() = bookUrl.hashCode()
-    
+
     override fun compareTo(other: SearchBook): Int {
         return other.originOrder - this.originOrder
     }
-    
+
     @delegate:Transient
     @delegate:Ignore
     @IgnoredOnParcel
     override val variableMap by lazy {
         GSON.fromJsonObject<HashMap<String, String>>(variable) ?: HashMap()
     }
-    
+
     override fun putVariable(key: String, value: String) {
         variableMap[key] = value
         variable = GSON.toJson(variableMap)
     }
-    
+
     @delegate:Transient
     @delegate:Ignore
     @IgnoredOnParcel
     val origins: LinkedHashSet<String> by lazy { linkedSetOf(origin) }
-    
+
     fun addOrigin(origin: String) {
         origins.add(origin)
     }

app/src/main/java/io/legado/app/help/AppConfig.kt

@@ -10,7 +10,7 @@ import splitties.init.appCtx
 @Suppress("MemberVisibilityCanBePrivate")
 object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
     val isGooglePlay = appCtx.channel == "google"
-    val isCronet= appCtx.channel=="cronet"
+    val isCronet = appCtx.channel == "cronet"
     var userAgent: String = getPrefUserAgent()
     var isEInkMode = appCtx.getPrefString(PreferKey.themeMode) == "3"
     var clickActionTL = appCtx.getPrefInt(PreferKey.clickActionTL, 2)

app/src/main/java/io/legado/app/help/BlurTransformation.kt

@@ -23,7 +23,12 @@ class BlurTransformation(context: Context, private val radius: Int) : CenterCrop
     private val rs: RenderScript = RenderScript.create(context)
 
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
-    override fun transform(pool: BitmapPool, toTransform: Bitmap, outWidth: Int, outHeight: Int): Bitmap {
+    override fun transform(
+        pool: BitmapPool,
+        toTransform: Bitmap,
+        outWidth: Int,
+        outHeight: Int
+    ): Bitmap {
         val transform = super.transform(pool, toTransform, outWidth, outHeight)
         //图片缩小1/2
         val width = (min(outWidth, transform.width) / 2f).roundToInt()

app/src/main/java/io/legado/app/help/BookHelp.kt

@@ -190,7 +190,7 @@ object BookHelp {
     }
 
     fun getContent(book: Book, bookChapter: BookChapter): String? {
-        if (book.isLocalTxt()||book.isUmd()) {
+        if (book.isLocalTxt() || book.isUmd()) {
             return LocalBook.getContext(book, bookChapter)
         } else if (book.isEpub() && !hasContent(book, bookChapter)) {
             val string = LocalBook.getContext(book, bookChapter)
@@ -203,7 +203,7 @@ object BookHelp {
                 ).writeText(it)
             }
             return string
-        }else {
+        } else {
             val file = FileUtils.getFile(
                 downloadDir,
                 cacheFolderName,
@@ -329,15 +329,15 @@ object BookHelp {
     private val chapterNamePattern1 by lazy {
         Pattern.compile(".*?第([\\d零〇一二两三四五六七八九十百千万壹贰叁肆伍陆柒捌玖拾佰仟]+)[章节篇回集话]")
     }
-    
+
     private val chapterNamePattern2 by lazy {
         Pattern.compile("^(?:[\\d零〇一二两三四五六七八九十百千万壹贰叁肆伍陆柒捌玖拾佰仟]+[,:、])*([\\d零〇一二两三四五六七八九十百千万壹贰叁肆伍陆柒捌玖拾佰仟]+)(?:[,:、]|\\.[^\\d])")
     }
-    
+
     private val regexA by lazy {
         return@lazy "\\s".toRegex()
     }
-    
+
     private fun getChapterNum(chapterName: String?): Int {
         chapterName ?: return -1
         val chapterName1 = StringUtils.fullToHalf(chapterName).replace(regexA, "")
@@ -346,7 +346,7 @@ object BookHelp {
                     chapterNamePattern1.matcher(chapterName1).takeIf { it.find() }
                         ?: chapterNamePattern2.matcher(chapterName1).takeIf { it.find() }
                     )?.group(1)
-            ?:"-1"
+                ?: "-1"
         )
     }
 
@@ -366,7 +366,7 @@ object BookHelp {
         //前后附加内容，整个章节名都在括号中时只剔除首尾括号，避免将章节名替换为空字串
         return@lazy "(?!^)(?:[〖【《〔\\[{(][^〖【《〔\\[{()〕》】〗\\]}]+)?[)〕》】〗\\]}]$|^[〖【《〔\\[{(](?:[^〖【《〔\\[{()〕》】〗\\]}]+[〕》】〗\\]})])?(?!$)".toRegex()
     }
-        
+
     private fun getPureChapterName(chapterName: String?): String {
         return if (chapterName == null) "" else StringUtils.fullToHalf(chapterName)
             .replace(regexA, "")

app/src/main/java/io/legado/app/help/EventMessage.kt

@@ -5,7 +5,7 @@ import android.text.TextUtils
 @Suppress("unused")
 class EventMessage {
 
-    var what: Int?=null
+    var what: Int? = null
     var tag: String? = null
     var obj: Any? = null
 

app/src/main/java/io/legado/app/help/LayoutManager.kt

@@ -44,10 +44,19 @@ object LayoutManager {
     }
 
 
-    fun grid(spanCount: Int, @Orientation orientation: Int, reverseLayout: Boolean): LayoutManagerFactory {
+    fun grid(
+        spanCount: Int,
+        @Orientation orientation: Int,
+        reverseLayout: Boolean
+    ): LayoutManagerFactory {
         return object : LayoutManagerFactory {
             override fun create(recyclerView: RecyclerView): RecyclerView.LayoutManager {
-                return GridLayoutManager(recyclerView.context, spanCount, orientation, reverseLayout)
+                return GridLayoutManager(
+                    recyclerView.context,
+                    spanCount,
+                    orientation,
+                    reverseLayout
+                )
             }
         }
     }

app/src/main/java/io/legado/app/help/http/HttpHelper.kt

@@ -43,9 +43,9 @@ val okHttpClient: OkHttpClient by lazy {
                 .build()
             chain.proceed(request)
         })
-   if (AppConfig.isCronet){
-       builder.addInterceptor(CronetInterceptor())
-   }
+    if (AppConfig.isCronet) {
+        builder.addInterceptor(CronetInterceptor())
+    }
 
 
     builder.build()

app/src/main/java/io/legado/app/help/http/SSLHelper.kt

@@ -79,7 +79,11 @@ object SSLHelper {
      * bksFile 和 password -> 客户端使用bks证书校验服务端证书
      * certificates -> 用含有服务端公钥的证书校验服务端证书
      */
-    fun getSslSocketFactory(bksFile: InputStream, password: String, vararg certificates: InputStream): SSLParams? {
+    fun getSslSocketFactory(
+        bksFile: InputStream,
+        password: String,
+        vararg certificates: InputStream
+    ): SSLParams? {
         return getSslSocketFactoryBase(null, bksFile, password, *certificates)
     }
 
@@ -88,7 +92,11 @@ object SSLHelper {
      * bksFile 和 password -> 客户端使用bks证书校验服务端证书
      * X509TrustManager -> 如果需要自己校验，那么可以自己实现相关校验，如果不需要自己校验，那么传null即可
      */
-    fun getSslSocketFactory(bksFile: InputStream, password: String, trustManager: X509TrustManager): SSLParams? {
+    fun getSslSocketFactory(
+        bksFile: InputStream,
+        password: String,
+        trustManager: X509TrustManager
+    ): SSLParams? {
         return getSslSocketFactoryBase(trustManager, bksFile, password)
     }
 

app/src/main/java/io/legado/app/help/http/cronet/CronetHelper.kt

@@ -40,7 +40,7 @@ fun buildRequest(request: Request, callback: UrlRequest.Callback): UrlRequest {
         requestBuilder.addHeader("Cookie", cookie)
     }
     val headers: Headers = request.headers
-    headers.forEachIndexed { index, pair ->
+    headers.forEachIndexed { index, _ ->
         requestBuilder.addHeader(headers.name(index), headers.value(index))
     }
 
@@ -55,7 +55,7 @@ fun buildRequest(request: Request, callback: UrlRequest.Callback): UrlRequest {
         requestBuilder.setUploadDataProvider(
             UploadDataProviders.create(buffer.readByteArray()),
             executor
-        );
+        )
 
     }
 

app/src/main/java/io/legado/app/help/http/cronet/CronetInterceptor.kt

@@ -1,6 +1,9 @@
 package io.legado.app.help.http.cronet
 
-import okhttp3.*
+import okhttp3.Call
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
 import java.io.IOException
 
 class CronetInterceptor : Interceptor {

app/src/main/java/io/legado/app/help/http/cronet/CronetUrlRequestCallback.kt

@@ -22,6 +22,7 @@ class CronetUrlRequestCallback @JvmOverloads internal constructor(
     eventListener: EventListener? = null,
     responseCallback: Callback? = null
 ) : UrlRequest.Callback() {
+
     private val eventListener: EventListener?
     private val responseCallback: Callback?
     private var followCount = 0
@@ -37,7 +38,7 @@ class CronetUrlRequestCallback @JvmOverloads internal constructor(
         if (mException != null) {
             throw mException as IOException
         }
-        return mResponse
+        return this.mResponse
     }
 
     override fun onRedirectReceived(
@@ -62,7 +63,7 @@ class CronetUrlRequestCallback @JvmOverloads internal constructor(
     }
 
     override fun onResponseStarted(request: UrlRequest, info: UrlResponseInfo) {
-        mResponse = responseFromResponse(mResponse, info)
+        this.mResponse = responseFromResponse(this.mResponse, info)
 //        val sb: StringBuilder = StringBuilder(info.url).append("\r\n")
 //        sb.append("[Cached:").append(info.wasCached()).append("][StatusCode:")
 //            .append(info.httpStatusCode).append("][StatusText:").append(info.httpStatusText)
@@ -74,7 +75,7 @@ class CronetUrlRequestCallback @JvmOverloads internal constructor(
 //        }
 //        Log.e("Cronet", sb.toString())
         if (eventListener != null) {
-            eventListener.responseHeadersEnd(mCall, mResponse)
+            eventListener.responseHeadersEnd(mCall, this.mResponse)
             eventListener.responseBodyStart(mCall)
         }
         request.read(ByteBuffer.allocateDirect(32 * 1024))
@@ -99,34 +100,43 @@ class CronetUrlRequestCallback @JvmOverloads internal constructor(
 
     override fun onSucceeded(request: UrlRequest, info: UrlResponseInfo) {
         eventListener?.responseBodyEnd(mCall, info.receivedByteCount)
-        val contentType: MediaType? = (mResponse.header("content-type")
+        val contentType: MediaType? = (this.mResponse.header("content-type")
             ?: "text/plain; charset=\"utf-8\"").toMediaTypeOrNull()
         val responseBody: ResponseBody =
             mBytesReceived.toByteArray().toResponseBody(contentType)
         val newRequest = originalRequest.newBuilder().url(info.url).build()
-        mResponse = mResponse.newBuilder().body(responseBody).request(newRequest).build()
+        this.mResponse = this.mResponse.newBuilder().body(responseBody).request(newRequest).build()
         mResponseCondition.open()
         eventListener?.callEnd(mCall)
         if (responseCallback != null) {
             try {
-                responseCallback.onResponse(mCall, mResponse)
+                responseCallback.onResponse(mCall, this.mResponse)
             } catch (e: IOException) {
                 // Pass?
             }
         }
     }
 
-    override fun onFailed(request: UrlRequest, info: UrlResponseInfo, error: CronetException) {
-        val e = IOException("Cronet Exception Occurred", error)
+    //UrlResponseInfo可能为null
+    override fun onFailed(request: UrlRequest, info: UrlResponseInfo?, error: CronetException) {
+        Log.e(TAG, error.message.toString())
+        val msg = error.localizedMessage
+        val e = IOException(msg?.substring(msg.indexOf("net::")), error)
         mException = e
         mResponseCondition.open()
-        eventListener?.callFailed(mCall, e)
+
+        this.eventListener?.callFailed(mCall, e)
+
+
         responseCallback?.onFailure(mCall, e)
     }
 
     override fun onCanceled(request: UrlRequest, info: UrlResponseInfo) {
         mResponseCondition.open()
-        eventListener?.callEnd(mCall)
+
+        this.eventListener?.callEnd(mCall)
+
+
     }
 
     companion object {
@@ -194,7 +204,7 @@ class CronetUrlRequestCallback @JvmOverloads internal constructor(
     }
 
     init {
-        mResponse = Response.Builder()
+        this.mResponse = Response.Builder()
             .sentRequestAtMillis(System.currentTimeMillis())
             .request(originalRequest)
             .protocol(Protocol.HTTP_1_0)

app/src/main/java/io/legado/app/lib/dialogs/AndroidAlertBuilder.kt

@@ -62,15 +62,24 @@ internal class AndroidAlertBuilder(override val ctx: Context) : AlertBuilder<Ale
         builder.setPositiveButton(buttonText) { dialog, _ -> onClicked?.invoke(dialog) }
     }
 
-    override fun positiveButton(buttonTextResource: Int, onClicked: ((dialog: DialogInterface) -> Unit)?) {
+    override fun positiveButton(
+        buttonTextResource: Int,
+        onClicked: ((dialog: DialogInterface) -> Unit)?
+    ) {
         builder.setPositiveButton(buttonTextResource) { dialog, _ -> onClicked?.invoke(dialog) }
     }
 
-    override fun negativeButton(buttonText: String, onClicked: ((dialog: DialogInterface) -> Unit)?) {
+    override fun negativeButton(
+        buttonText: String,
+        onClicked: ((dialog: DialogInterface) -> Unit)?
+    ) {
         builder.setNegativeButton(buttonText) { dialog, _ -> onClicked?.invoke(dialog) }
     }
 
-    override fun negativeButton(buttonTextResource: Int, onClicked: ((dialog: DialogInterface) -> Unit)?) {
+    override fun negativeButton(
+        buttonTextResource: Int,
+        onClicked: ((dialog: DialogInterface) -> Unit)?
+    ) {
         builder.setNegativeButton(buttonTextResource) { dialog, _ -> onClicked?.invoke(dialog) }
     }
 

app/src/main/java/io/legado/app/lib/dialogs/AndroidDialogs.kt

@@ -53,7 +53,8 @@ fun Context.alert(
 }
 
 
-inline fun Fragment.alert(noinline init: AlertBuilder<DialogInterface>.() -> Unit) = requireContext().alert(init)
+inline fun Fragment.alert(noinline init: AlertBuilder<DialogInterface>.() -> Unit) =
+    requireContext().alert(init)
 
 fun Context.alert(init: AlertBuilder<AlertDialog>.() -> Unit): AlertBuilder<AlertDialog> =
     AndroidAlertBuilder(this).apply { init() }

app/src/main/java/io/legado/app/lib/icu4j/CharsetDetector.java

@@ -52,7 +52,7 @@ public class CharsetDetector {
 //   wants the data, and doesn't care about a char set name.
 
     /**
-     *   Constructor
+     * Constructor
      *
      * @stable ICU 3.4
      */
@@ -61,18 +61,17 @@ public class CharsetDetector {
 
     /**
      * Set the declared encoding for charset detection.
-     *  The declared encoding of an input text is an encoding obtained
-     *  from an http header or xml declaration or similar source that
-     *  can be provided as additional information to the charset detector.  
-     *  A match between a declared encoding and a possible detected encoding
-     *  will raise the quality of that detected encoding by a small delta,
-     *  and will also appear as a "reason" for the match.
+     * The declared encoding of an input text is an encoding obtained
+     * from an http header or xml declaration or similar source that
+     * can be provided as additional information to the charset detector.
+     * A match between a declared encoding and a possible detected encoding
+     * will raise the quality of that detected encoding by a small delta,
+     * and will also appear as a "reason" for the match.
      * <p>
      * A declared encoding that is incompatible with the input data being
      * analyzed will not be added to the list of possible encodings.
      *
-     *  @param encoding The declared encoding 
-     *
+     * @param encoding The declared encoding
      * @stable ICU 3.4
      */
     public CharsetDetector setDeclaredEncoding(String encoding) {
@@ -84,9 +83,7 @@ public class CharsetDetector {
      * Set the input text (byte) data whose charset is to be detected.
      *
      * @param in the input text of unknown encoding
-     *
      * @return This CharsetDetector
-     *
      * @stable ICU 3.4
      */
     public CharsetDetector setText(byte[] in) {
@@ -100,17 +97,15 @@ public class CharsetDetector {
 
     /**
      * Set the input text (byte) data whose charset is to be detected.
-     *  <p>
-     *   The input stream that supplies the character data must have markSupported()
-     *   == true; the charset detection process will read a small amount of data,
-     *   then return the stream to its original position via
-     *   the InputStream.reset() operation.  The exact amount that will
-     *   be read depends on the characteristics of the data itself.
+     * <p>
+     * The input stream that supplies the character data must have markSupported()
+     * == true; the charset detection process will read a small amount of data,
+     * then return the stream to its original position via
+     * the InputStream.reset() operation.  The exact amount that will
+     * be read depends on the characteristics of the data itself.
      *
      * @param in the input text of unknown encoding
-     *
      * @return This CharsetDetector
-     *
      * @stable ICU 3.4
      */
 
@@ -139,21 +134,20 @@ public class CharsetDetector {
 
     /**
      * Return the charset that best matches the supplied input data.
-     *
-     * Note though, that because the detection 
+     * <p>
+     * Note though, that because the detection
      * only looks at the start of the input data,
      * there is a possibility that the returned charset will fail to handle
      * the full set of input data.
-     * <p>
-     * Raise an exception if 
-     *  <ul>
-     *    <li>no charset appears to match the data.</li>
-     *    <li>no input text has been provided</li>
-     *  </ul>
+     * p>
+     * aise an exception if
+     * <ul>
+     *   <li>no charset appears to match the data.</li>
+     *   <li>no input text has been provided</li>
+     * </ul>
      *
      * @return a CharsetMatch object representing the best matching charset, or
-     *         <code>null</code> if there are no matches.
-     *
+     * <code>null</code> if there are no matches.
      * @stable ICU 3.4
      */
     public CharsetMatch detect() {
@@ -171,18 +165,17 @@ public class CharsetDetector {
     }
 
     /**
-     *  Return an array of all charsets that appear to be plausible
-     *  matches with the input data.  The array is ordered with the
-     *  best quality match first.
+     * Return an array of all charsets that appear to be plausible
+     * matches with the input data.  The array is ordered with the
+     * best quality match first.
      * <p>
-     * Raise an exception if 
-     *  <ul>
-     *    <li>no charsets appear to match the input data.</li>
-     *    <li>no input text has been provided</li>
-     *  </ul>
+     * aise an exception if
+     * <ul>
+     *   <li>no charsets appear to match the input data.</li>
+     *   <li>no input text has been provided</li>
+     * </ul>
      *
      * @return An array of CharsetMatch objects representing possibly matching charsets.
-     *
      * @stable ICU 3.4
      */
     public CharsetMatch[] detectAll() {
@@ -215,21 +208,19 @@ public class CharsetDetector {
      * to access the converted input data.
      * <p>
      * This is a convenience method that is equivalent to
-     *   <code>this.setDeclaredEncoding(declaredEncoding).setText(in).detect().getReader();</code>
+     * <code>this.setDeclaredEncoding(declaredEncoding).setText(in).detect().getReader();</code>
+     * <p>
+     * For the input stream that supplies the character data, markSupported()
+     * must be true; the  charset detection will read a small amount of data,
+     * then return the stream to its original position via
+     * the InputStream.reset() operation.  The exact amount that will
+     * be read depends on the characteristics of the data itself.
      * <p>
-     *   For the input stream that supplies the character data, markSupported()
-     *   must be true; the  charset detection will read a small amount of data,
-     *   then return the stream to its original position via
-     *   the InputStream.reset() operation.  The exact amount that will
-     *    be read depends on the characteristics of the data itself.
-     *<p>
      * Raise an exception if no charsets appear to match the input data.
      *
-     * @param in The source of the byte data in the unknown charset.
-     *
-     * @param declaredEncoding  A declared encoding for the data, if available,
-     *           or null or an empty string if none is available.
-     *
+     * @param in               The source of the byte data in the unknown charset.
+     * @param declaredEncoding A declared encoding for the data, if available,
+     *                         or null or an empty string if none is available.
      * @stable ICU 3.4
      */
     public Reader getReader(InputStream in, String declaredEncoding) {
@@ -255,15 +246,13 @@ public class CharsetDetector {
      * containing the converted input data.
      * <p>
      * This is a convenience method that is equivalent to
-     *   <code>this.setDeclaredEncoding(declaredEncoding).setText(in).detect().getString();</code>
-     *<p>
+     * <code>this.setDeclaredEncoding(declaredEncoding).setText(in).detect().getString();</code>
+     * <p>
      * Raise an exception if no charsets appear to match the input data.
      *
-     * @param in The source of the byte data in the unknown charset.
-     *
-     * @param declaredEncoding  A declared encoding for the data, if available,
-     *           or null or an empty string if none is available.
-     *
+     * @param in               The source of the byte data in the unknown charset.
+     * @param declaredEncoding A declared encoding for the data, if available,
+     *                         or null or an empty string if none is available.
      * @stable ICU 3.4
      */
     public String getString(byte[] in, String declaredEncoding) {
@@ -297,7 +286,6 @@ public class CharsetDetector {
      *
      * @return an array of the names of all charsets supported by
      * <code>CharsetDetector</code> class.
-     *
      * @stable ICU 3.4
      */
     public static String[] getAllDetectableCharsets() {
@@ -312,10 +300,8 @@ public class CharsetDetector {
      * Test whether or not input filtering is enabled.
      *
      * @return <code>true</code> if input text will be filtered.
-     *
-     * @see #enableInputFilter
-     *
      * @stable ICU 3.4
+     * @see #enableInputFilter
      */
     public boolean inputFilterEnabled() {
         return fStripTags;
@@ -327,9 +313,7 @@ public class CharsetDetector {
      * before detection.
      *
      * @param filter <code>true</code> to enable input text filtering.
-     *
      * @return The previous setting.
-     *
      * @stable ICU 3.4
      */
     public boolean enableInputFilter(boolean filter) {
@@ -517,7 +501,6 @@ public class CharsetDetector {
      *
      * @return an array of the names of charsets that can be recognized by this CharsetDetector
      * instance.
-     *
      * @internal
      * @deprecated This API is ICU internal only.
      */
@@ -540,12 +523,11 @@ public class CharsetDetector {
      * {@link #getAllDetectableCharsets()}.
      *
      * @param encoding the name of charset encoding.
-     * @param enabled <code>true</code> to enable, or <code>false</code> to disable the
-     * charset encoding.
+     * @param enabled  <code>true</code> to enable, or <code>false</code> to disable the
+     *                 charset encoding.
      * @return A reference to this <code>CharsetDetector</code>.
      * @throws IllegalArgumentException when the name of charset encoding is
-     * not supported.
-     *
+     *                                  not supported.
      * @internal
      * @deprecated This API is ICU internal only.
      */

app/src/main/java/io/legado/app/lib/icu4j/CharsetMatch.java

@@ -42,7 +42,6 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
      * the InputStream and create InputStreamReaders itself, based on the charset name.
      *
      * @return the Reader for the Unicode character data.
-     *
      * @stable ICU 3.4
      */
     public Reader getReader() {
@@ -65,7 +64,6 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
      * to the original byte data supplied to the Charset detect operation.
      *
      * @return a String created from the converted input data.
-     *
      * @stable ICU 3.4
      */
     public String getString() throws java.io.IOException {
@@ -84,7 +82,6 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
      *                  source of the data is an input stream, or -1 for
      *                  unlimited length.
      * @return a String created from the converted input data.
-     *
      * @stable ICU 3.4
      */
     public String getString(int maxLength) throws java.io.IOException {
@@ -128,7 +125,6 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
      * charset.
      *
      * @return the confidence in the charset match
-     *
      * @stable ICU 3.4
      */
     public int getConfidence() {
@@ -143,12 +139,10 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
      * charsets that are registered with the IANA charset registry,
      * this is the MIME-preferred registerd name.
      *
-     * @see java.nio.charset.Charset
-     * @see java.io.InputStreamReader
-     *
      * @return The name of the charset.
-     *
      * @stable ICU 3.4
+     * @see java.nio.charset.Charset
+     * @see java.io.InputStreamReader
      */
     public String getName() {
         return fCharsetName;
@@ -158,7 +152,6 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
      * Get the ISO code for the language of the detected charset.
      *
      * @return The ISO code for the language or <code>null</code> if the language cannot be determined.
-     *
      * @stable ICU 3.4
      */
     public String getLanguage() {
@@ -168,13 +161,13 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
     /**
      * Compare to other CharsetMatch objects.
      * Comparison is based on the match confidence value, which
-     *   allows CharsetDetector.detectAll() to order its results.
+     * allows CharsetDetector.detectAll() to order its results.
      *
      * @param other the CharsetMatch object to compare against.
      * @return a negative integer, zero, or a positive integer as the
-     *          confidence level of this CharsetMatch
-     *          is less than, equal to, or greater than that of
-     *          the argument.
+     * confidence level of this CharsetMatch
+     * is less than, equal to, or greater than that of
+     * the argument.
      * @throws ClassCastException if the argument is not a CharsetMatch.
      * @stable ICU 4.4
      */
@@ -233,7 +226,7 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
     //
     //   Private Data
     //
-    private int fConfidence;
+    private final int fConfidence;
     private byte[] fRawInput = null;     // Original, untouched input bytes.
     //  If user gave us a byte array, this is it.
     private int fRawLength;           // Length of data in fRawInput array.
@@ -241,8 +234,8 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
     private InputStream fInputStream = null;  // User's input stream, or null if the user
     //   gave us a byte array.
 
-    private String fCharsetName;         // The name of the charset this CharsetMatch
+    private final String fCharsetName;         // The name of the charset this CharsetMatch
     //   represents.  Filled in by the recognizer.
-    private String fLang;                // The language, if one was determined by
+    private final String fLang;                // The language, if one was determined by
     //   the recognizer during the detect operation.
 }

app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_2022.java

@@ -95,7 +95,7 @@ abstract class CharsetRecog_2022 extends CharsetRecognizer {
 
 
     static class CharsetRecog_2022JP extends CharsetRecog_2022 {
-        private byte[][] escapeSequences = {
+        private final byte[][] escapeSequences = {
                 {0x1b, 0x24, 0x28, 0x43},   // KS X 1001:1992
                 {0x1b, 0x24, 0x28, 0x44},   // JIS X 212-1990
                 {0x1b, 0x24, 0x40},         // JIS C 6226-1978
@@ -123,7 +123,7 @@ abstract class CharsetRecog_2022 extends CharsetRecognizer {
     }
 
     static class CharsetRecog_2022KR extends CharsetRecog_2022 {
-        private byte[][] escapeSequences = {
+        private final byte[][] escapeSequences = {
                 {0x1b, 0x24, 0x29, 0x43}
         };
 
@@ -140,7 +140,7 @@ abstract class CharsetRecog_2022 extends CharsetRecognizer {
     }
 
     static class CharsetRecog_2022CN extends CharsetRecog_2022 {
-        private byte[][] escapeSequences = {
+        private final byte[][] escapeSequences = {
                 {0x1b, 0x24, 0x29, 0x41},   // GB 2312-80
                 {0x1b, 0x24, 0x29, 0x47},   // CNS 11643-1992 Plane 1
                 {0x1b, 0x24, 0x2A, 0x48},   // CNS 11643-1992 Plane 2

app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_sbcs.java

@@ -29,7 +29,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
         protected int byteIndex = 0;
         private int ngram = 0;
 
-        private int[] ngramList;
+        private final int[] ngramList;
         protected byte[] byteMap;
 
         private int ngramCount;
@@ -315,7 +315,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
         };
 
 
-        private static NGramsPlusLang[] ngrams_8859_1 = new NGramsPlusLang[]{
+        private static final NGramsPlusLang[] ngrams_8859_1 = new NGramsPlusLang[]{
                 new NGramsPlusLang(
                         "da",
                         new int[]{
@@ -467,7 +467,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
                 (byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0xFD, (byte) 0xFE, (byte) 0x20,
         };
 
-        private static NGramsPlusLang[] ngrams_8859_2 = new NGramsPlusLang[]{
+        private static final NGramsPlusLang[] ngrams_8859_2 = new NGramsPlusLang[]{
                 new NGramsPlusLang(
                         "cs",
                         new int[]{
@@ -568,7 +568,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_8859_5_ru extends CharsetRecog_8859_5 {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x20D220, 0x20D2DE, 0x20D4DE, 0x20D7D0, 0x20D820, 0x20DAD0, 0x20DADE, 0x20DDD0, 0x20DDD5, 0x20DED1, 0x20DFDE, 0x20DFE0, 0x20E0D0, 0x20E1DE, 0x20E1E2, 0x20E2DE,
                 0x20E7E2, 0x20EDE2, 0xD0DDD8, 0xD0E2EC, 0xD3DE20, 0xD5DBEC, 0xD5DDD8, 0xD5E1E2, 0xD5E220, 0xD820DF, 0xD8D520, 0xD8D820, 0xD8EF20, 0xDBD5DD, 0xDBD820, 0xDBECDD,
                 0xDDD020, 0xDDD520, 0xDDD8D5, 0xDDD8EF, 0xDDDE20, 0xDDDED2, 0xDE20D2, 0xDE20DF, 0xDE20E1, 0xDED220, 0xDED2D0, 0xDED3DE, 0xDED920, 0xDEDBEC, 0xDEDC20, 0xDEE1E2,
@@ -630,7 +630,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_8859_6_ar extends CharsetRecog_8859_6 {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x20C7E4, 0x20C7E6, 0x20C8C7, 0x20D9E4, 0x20E1EA, 0x20E4E4, 0x20E5E6, 0x20E8C7, 0xC720C7, 0xC7C120, 0xC7CA20, 0xC7D120, 0xC7E420, 0xC7E4C3, 0xC7E4C7, 0xC7E4C8,
                 0xC7E4CA, 0xC7E4CC, 0xC7E4CD, 0xC7E4CF, 0xC7E4D3, 0xC7E4D9, 0xC7E4E2, 0xC7E4E5, 0xC7E4E8, 0xC7E4EA, 0xC7E520, 0xC7E620, 0xC7E6CA, 0xC820C7, 0xC920C7, 0xC920E1,
                 0xC920E4, 0xC920E5, 0xC920E8, 0xCA20C7, 0xCF20C7, 0xCFC920, 0xD120C7, 0xD1C920, 0xD320C7, 0xD920C7, 0xD9E4E9, 0xE1EA20, 0xE420C7, 0xE4C920, 0xE4E920, 0xE4EA20,
@@ -692,7 +692,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_8859_7_el extends CharsetRecog_8859_7 {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x20E1ED, 0x20E1F0, 0x20E3E9, 0x20E4E9, 0x20E5F0, 0x20E720, 0x20EAE1, 0x20ECE5, 0x20EDE1, 0x20EF20, 0x20F0E1, 0x20F0EF, 0x20F0F1, 0x20F3F4, 0x20F3F5, 0x20F4E7,
                 0x20F4EF, 0xDFE120, 0xE120E1, 0xE120F4, 0xE1E920, 0xE1ED20, 0xE1F0FC, 0xE1F220, 0xE3E9E1, 0xE5E920, 0xE5F220, 0xE720F4, 0xE7ED20, 0xE7F220, 0xE920F4, 0xE9E120,
                 0xE9EADE, 0xE9F220, 0xEAE1E9, 0xEAE1F4, 0xECE520, 0xED20E1, 0xED20E5, 0xED20F0, 0xEDE120, 0xEFF220, 0xEFF520, 0xF0EFF5, 0xF0F1EF, 0xF0FC20, 0xF220E1, 0xF220E5,
@@ -755,7 +755,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_8859_8_I_he extends CharsetRecog_8859_8 {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x20E0E5, 0x20E0E7, 0x20E0E9, 0x20E0FA, 0x20E1E9, 0x20E1EE, 0x20E4E0, 0x20E4E5, 0x20E4E9, 0x20E4EE, 0x20E4F2, 0x20E4F9, 0x20E4FA, 0x20ECE0, 0x20ECE4, 0x20EEE0,
                 0x20F2EC, 0x20F9EC, 0xE0FA20, 0xE420E0, 0xE420E1, 0xE420E4, 0xE420EC, 0xE420EE, 0xE420F9, 0xE4E5E0, 0xE5E020, 0xE5ED20, 0xE5EF20, 0xE5F820, 0xE5FA20, 0xE920E4,
                 0xE9E420, 0xE9E5FA, 0xE9E9ED, 0xE9ED20, 0xE9EF20, 0xE9F820, 0xE9FA20, 0xEC20E0, 0xEC20E4, 0xECE020, 0xECE420, 0xED20E0, 0xED20E1, 0xED20E4, 0xED20EC, 0xED20EE,
@@ -781,7 +781,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_8859_8_he extends CharsetRecog_8859_8 {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x20E0E5, 0x20E0EC, 0x20E4E9, 0x20E4EC, 0x20E4EE, 0x20E4F0, 0x20E9F0, 0x20ECF2, 0x20ECF9, 0x20EDE5, 0x20EDE9, 0x20EFE5, 0x20EFE9, 0x20F8E5, 0x20F8E9, 0x20FAE0,
                 0x20FAE5, 0x20FAE9, 0xE020E4, 0xE020EC, 0xE020ED, 0xE020FA, 0xE0E420, 0xE0E5E4, 0xE0EC20, 0xE0EE20, 0xE120E4, 0xE120ED, 0xE120FA, 0xE420E4, 0xE420E9, 0xE420EC,
                 0xE420ED, 0xE420EF, 0xE420F8, 0xE420FA, 0xE4EC20, 0xE5E020, 0xE5E420, 0xE7E020, 0xE9E020, 0xE9E120, 0xE9E420, 0xEC20E4, 0xEC20ED, 0xEC20FA, 0xECF220, 0xECF920,
@@ -845,7 +845,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_8859_9_tr extends CharsetRecog_8859_9 {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x206261, 0x206269, 0x206275, 0x206461, 0x206465, 0x206765, 0x206861, 0x20696C, 0x206B61, 0x206B6F, 0x206D61, 0x206F6C, 0x207361, 0x207461, 0x207665, 0x207961,
                 0x612062, 0x616B20, 0x616C61, 0x616D61, 0x616E20, 0x616EFD, 0x617220, 0x617261, 0x6172FD, 0x6173FD, 0x617961, 0x626972, 0x646120, 0x646520, 0x646920, 0x652062,
                 0x65206B, 0x656469, 0x656E20, 0x657220, 0x657269, 0x657369, 0x696C65, 0x696E20, 0x696E69, 0x697220, 0x6C616E, 0x6C6172, 0x6C6520, 0x6C6572, 0x6E2061, 0x6E2062,
@@ -866,14 +866,14 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_windows_1251 extends CharsetRecog_sbcs {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x20E220, 0x20E2EE, 0x20E4EE, 0x20E7E0, 0x20E820, 0x20EAE0, 0x20EAEE, 0x20EDE0, 0x20EDE5, 0x20EEE1, 0x20EFEE, 0x20EFF0, 0x20F0E0, 0x20F1EE, 0x20F1F2, 0x20F2EE,
                 0x20F7F2, 0x20FDF2, 0xE0EDE8, 0xE0F2FC, 0xE3EE20, 0xE5EBFC, 0xE5EDE8, 0xE5F1F2, 0xE5F220, 0xE820EF, 0xE8E520, 0xE8E820, 0xE8FF20, 0xEBE5ED, 0xEBE820, 0xEBFCED,
                 0xEDE020, 0xEDE520, 0xEDE8E5, 0xEDE8FF, 0xEDEE20, 0xEDEEE2, 0xEE20E2, 0xEE20EF, 0xEE20F1, 0xEEE220, 0xEEE2E0, 0xEEE3EE, 0xEEE920, 0xEEEBFC, 0xEEEC20, 0xEEF1F2,
                 0xEFEEEB, 0xEFF0E5, 0xEFF0E8, 0xEFF0EE, 0xF0E0E2, 0xF0E5E4, 0xF1F2E0, 0xF1F2E2, 0xF1F2E8, 0xF1FF20, 0xF2E5EB, 0xF2EE20, 0xF2EEF0, 0xF2FC20, 0xF7F2EE, 0xFBF520,
         };
 
-        private static byte[] byteMap = {
+        private static final byte[] byteMap = {
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
@@ -926,14 +926,14 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_windows_1256 extends CharsetRecog_sbcs {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x20C7E1, 0x20C7E4, 0x20C8C7, 0x20DAE1, 0x20DDED, 0x20E1E1, 0x20E3E4, 0x20E6C7, 0xC720C7, 0xC7C120, 0xC7CA20, 0xC7D120, 0xC7E120, 0xC7E1C3, 0xC7E1C7, 0xC7E1C8,
                 0xC7E1CA, 0xC7E1CC, 0xC7E1CD, 0xC7E1CF, 0xC7E1D3, 0xC7E1DA, 0xC7E1DE, 0xC7E1E3, 0xC7E1E6, 0xC7E1ED, 0xC7E320, 0xC7E420, 0xC7E4CA, 0xC820C7, 0xC920C7, 0xC920DD,
                 0xC920E1, 0xC920E3, 0xC920E6, 0xCA20C7, 0xCF20C7, 0xCFC920, 0xD120C7, 0xD1C920, 0xD320C7, 0xDA20C7, 0xDAE1EC, 0xDDED20, 0xE120C7, 0xE1C920, 0xE1EC20, 0xE1ED20,
                 0xE320C7, 0xE3C720, 0xE3C920, 0xE3E420, 0xE420C7, 0xE520C7, 0xE5C720, 0xE6C7E1, 0xE6E420, 0xEC20C7, 0xED20C7, 0xED20E3, 0xED20E6, 0xEDC920, 0xEDD120, 0xEDE420,
         };
 
-        private static byte[] byteMap = {
+        private static final byte[] byteMap = {
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
@@ -986,14 +986,14 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_KOI8_R extends CharsetRecog_sbcs {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x20C4CF, 0x20C920, 0x20CBC1, 0x20CBCF, 0x20CEC1, 0x20CEC5, 0x20CFC2, 0x20D0CF, 0x20D0D2, 0x20D2C1, 0x20D3CF, 0x20D3D4, 0x20D4CF, 0x20D720, 0x20D7CF, 0x20DAC1,
                 0x20DCD4, 0x20DED4, 0xC1CEC9, 0xC1D4D8, 0xC5CCD8, 0xC5CEC9, 0xC5D3D4, 0xC5D420, 0xC7CF20, 0xC920D0, 0xC9C520, 0xC9C920, 0xC9D120, 0xCCC5CE, 0xCCC920, 0xCCD8CE,
                 0xCEC120, 0xCEC520, 0xCEC9C5, 0xCEC9D1, 0xCECF20, 0xCECFD7, 0xCF20D0, 0xCF20D3, 0xCF20D7, 0xCFC7CF, 0xCFCA20, 0xCFCCD8, 0xCFCD20, 0xCFD3D4, 0xCFD720, 0xCFD7C1,
                 0xD0CFCC, 0xD0D2C5, 0xD0D2C9, 0xD0D2CF, 0xD2C1D7, 0xD2C5C4, 0xD3D120, 0xD3D4C1, 0xD3D4C9, 0xD3D4D7, 0xD4C5CC, 0xD4CF20, 0xD4CFD2, 0xD4D820, 0xD9C820, 0xDED4CF,
         };
 
-        private static byte[] byteMap = {
+        private static final byte[] byteMap = {
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
                 (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
@@ -1078,7 +1078,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
             return "IBM424_rtl";
         }
 
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x404146, 0x404148, 0x404151, 0x404171, 0x404251, 0x404256, 0x404541, 0x404546, 0x404551, 0x404556, 0x404562, 0x404569, 0x404571, 0x405441, 0x405445, 0x405641,
                 0x406254, 0x406954, 0x417140, 0x454041, 0x454042, 0x454045, 0x454054, 0x454056, 0x454069, 0x454641, 0x464140, 0x465540, 0x465740, 0x466840, 0x467140, 0x514045,
                 0x514540, 0x514671, 0x515155, 0x515540, 0x515740, 0x516840, 0x517140, 0x544041, 0x544045, 0x544140, 0x544540, 0x554041, 0x554042, 0x554045, 0x554054, 0x554056,
@@ -1098,7 +1098,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
             return "IBM424_ltr";
         }
 
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x404146, 0x404154, 0x404551, 0x404554, 0x404556, 0x404558, 0x405158, 0x405462, 0x405469, 0x405546, 0x405551, 0x405746, 0x405751, 0x406846, 0x406851, 0x407141,
                 0x407146, 0x407151, 0x414045, 0x414054, 0x414055, 0x414071, 0x414540, 0x414645, 0x415440, 0x415640, 0x424045, 0x424055, 0x424071, 0x454045, 0x454051, 0x454054,
                 0x454055, 0x454057, 0x454068, 0x454071, 0x455440, 0x464140, 0x464540, 0x484140, 0x514140, 0x514240, 0x514540, 0x544045, 0x544055, 0x544071, 0x546240, 0x546940,
@@ -1144,7 +1144,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_IBM420_ar_rtl extends CharsetRecog_IBM420_ar {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x4056B1, 0x4056BD, 0x405856, 0x409AB1, 0x40ABDC, 0x40B1B1, 0x40BBBD, 0x40CF56, 0x564056, 0x564640, 0x566340, 0x567540, 0x56B140, 0x56B149, 0x56B156, 0x56B158,
                 0x56B163, 0x56B167, 0x56B169, 0x56B173, 0x56B178, 0x56B19A, 0x56B1AD, 0x56B1BB, 0x56B1CF, 0x56B1DC, 0x56BB40, 0x56BD40, 0x56BD63, 0x584056, 0x624056, 0x6240AB,
                 0x6240B1, 0x6240BB, 0x6240CF, 0x634056, 0x734056, 0x736240, 0x754056, 0x756240, 0x784056, 0x9A4056, 0x9AB1DA, 0xABDC40, 0xB14056, 0xB16240, 0xB1DA40, 0xB1DC40,
@@ -1165,7 +1165,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
     }
 
     static class CharsetRecog_IBM420_ar_ltr extends CharsetRecog_IBM420_ar {
-        private static int[] ngrams = {
+        private static final int[] ngrams = {
                 0x404656, 0x4056BB, 0x4056BF, 0x406273, 0x406275, 0x4062B1, 0x4062BB, 0x4062DC, 0x406356, 0x407556, 0x4075DC, 0x40B156, 0x40BB56, 0x40BD56, 0x40BDBB, 0x40BDCF,
                 0x40BDDC, 0x40DAB1, 0x40DCAB, 0x40DCB1, 0x49B156, 0x564056, 0x564058, 0x564062, 0x564063, 0x564073, 0x564075, 0x564078, 0x56409A, 0x5640B1, 0x5640BB, 0x5640BD,
                 0x5640BF, 0x5640DA, 0x5640DC, 0x565840, 0x56B156, 0x56CF40, 0x58B156, 0x63B156, 0x63BD56, 0x67B156, 0x69B156, 0x73B156, 0x78B156, 0x9AB156, 0xAB4062, 0xADB156,

app/src/main/java/io/legado/app/lib/icu4j/CharsetRecognizer.java

@@ -25,12 +25,14 @@ package io.legado.app.lib.icu4j;
 abstract class CharsetRecognizer {
     /**
      * Get the IANA name of this charset.
+     *
      * @return the charset name.
      */
     abstract String getName();
 
     /**
      * Get the ISO language code for this charset.
+     *
      * @return the language code, or <code>null</code> if the language cannot be determined.
      */
     public String getLanguage() {
@@ -39,12 +41,12 @@ abstract class CharsetRecognizer {
 
     /**
      * Test the match of this charset with the input text data
-     *      which is obtained via the CharsetDetector object.
+     * which is obtained via the CharsetDetector object.
      *
-     * @param det  The CharsetDetector, which contains the input text
-     *             to be checked for being in this charset.
+     * @param det The CharsetDetector, which contains the input text
+     *            to be checked for being in this charset.
      * @return A CharsetMatch object containing details of match
-     *             with this charset, or null if there was no match.
+     * with this charset, or null if there was no match.
      */
     abstract CharsetMatch match(CharsetDetector det);
 

app/src/main/java/io/legado/app/lib/theme/DrawableUtils.kt

@@ -14,7 +14,10 @@ import androidx.core.graphics.drawable.DrawableCompat
 @Suppress("unused")
 object DrawableUtils {
 
-    fun createTransitionDrawable(@ColorInt startColor: Int, @ColorInt endColor: Int): TransitionDrawable {
+    fun createTransitionDrawable(
+        @ColorInt startColor: Int,
+        @ColorInt endColor: Int
+    ): TransitionDrawable {
         return createTransitionDrawable(ColorDrawable(startColor), ColorDrawable(endColor))
     }
 
@@ -27,7 +30,11 @@ object DrawableUtils {
         return TransitionDrawable(drawables)
     }
 
-    fun setTintList(drawable: Drawable?, tint: ColorStateList, tintMode: PorterDuff.Mode = PorterDuff.Mode.SRC_ATOP) {
+    fun setTintList(
+        drawable: Drawable?,
+        tint: ColorStateList,
+        tintMode: PorterDuff.Mode = PorterDuff.Mode.SRC_ATOP
+    ) {
         drawable?.let {
             val wrappedDrawable = DrawableCompat.wrap(it)
             wrappedDrawable.mutate()
@@ -37,7 +44,11 @@ object DrawableUtils {
     }
 
 
-    fun setTint(drawable: Drawable?, @ColorInt tint: Int, tintMode: PorterDuff.Mode = PorterDuff.Mode.SRC_ATOP) {
+    fun setTint(
+        drawable: Drawable?,
+        @ColorInt tint: Int,
+        tintMode: PorterDuff.Mode = PorterDuff.Mode.SRC_ATOP
+    ) {
         drawable?.let {
             val wrappedDrawable = DrawableCompat.wrap(it)
             wrappedDrawable.mutate()

app/src/main/java/io/legado/app/lib/theme/NavigationViewUtils.kt

@@ -11,17 +11,31 @@ import com.google.android.material.navigation.NavigationView
 @Suppress("unused")
 object NavigationViewUtils {
 
-    fun setItemIconColors(navigationView: NavigationView, @ColorInt normalColor: Int, @ColorInt selectedColor: Int) {
+    fun setItemIconColors(
+        navigationView: NavigationView,
+        @ColorInt normalColor: Int,
+        @ColorInt selectedColor: Int
+    ) {
         val iconSl = ColorStateList(
-            arrayOf(intArrayOf(-android.R.attr.state_checked), intArrayOf(android.R.attr.state_checked)),
+            arrayOf(
+                intArrayOf(-android.R.attr.state_checked),
+                intArrayOf(android.R.attr.state_checked)
+            ),
             intArrayOf(normalColor, selectedColor)
         )
         navigationView.itemIconTintList = iconSl
     }
 
-    fun setItemTextColors(navigationView: NavigationView, @ColorInt normalColor: Int, @ColorInt selectedColor: Int) {
+    fun setItemTextColors(
+        navigationView: NavigationView,
+        @ColorInt normalColor: Int,
+        @ColorInt selectedColor: Int
+    ) {
         val textSl = ColorStateList(
-            arrayOf(intArrayOf(-android.R.attr.state_checked), intArrayOf(android.R.attr.state_checked)),
+            arrayOf(
+                intArrayOf(-android.R.attr.state_checked),
+                intArrayOf(android.R.attr.state_checked)
+            ),
             intArrayOf(normalColor, selectedColor)
         )
         navigationView.itemTextColor = textSl

app/src/main/java/io/legado/app/lib/theme/Selector.kt

@@ -63,7 +63,12 @@ object Selector {
         private var hasSetFocusedStrokeColor = false
         private var hasSetCheckedStrokeColor = false
 
-        @IntDef(GradientDrawable.RECTANGLE, GradientDrawable.OVAL, GradientDrawable.LINE, GradientDrawable.RING)
+        @IntDef(
+            GradientDrawable.RECTANGLE,
+            GradientDrawable.OVAL,
+            GradientDrawable.LINE,
+            GradientDrawable.RING
+        )
         private annotation class Shape
 
         init {

app/src/main/java/io/legado/app/lib/theme/ThemeStorePrefKeys.kt

@@ -5,28 +5,28 @@ package io.legado.app.lib.theme
  */
 object ThemeStorePrefKeys {
 
-        const val CONFIG_PREFS_KEY_DEFAULT = "app_themes"
-        const val IS_CONFIGURED_KEY = "is_configured"
-        const val IS_CONFIGURED_VERSION_KEY = "is_configured_version"
-        const val VALUES_CHANGED = "values_changed"
+    const val CONFIG_PREFS_KEY_DEFAULT = "app_themes"
+    const val IS_CONFIGURED_KEY = "is_configured"
+    const val IS_CONFIGURED_VERSION_KEY = "is_configured_version"
+    const val VALUES_CHANGED = "values_changed"
 
-        const val KEY_PRIMARY_COLOR = "primary_color"
-        const val KEY_PRIMARY_COLOR_DARK = "primary_color_dark"
-        const val KEY_ACCENT_COLOR = "accent_color"
-        const val KEY_STATUS_BAR_COLOR = "status_bar_color"
-        const val KEY_NAVIGATION_BAR_COLOR = "navigation_bar_color"
+    const val KEY_PRIMARY_COLOR = "primary_color"
+    const val KEY_PRIMARY_COLOR_DARK = "primary_color_dark"
+    const val KEY_ACCENT_COLOR = "accent_color"
+    const val KEY_STATUS_BAR_COLOR = "status_bar_color"
+    const val KEY_NAVIGATION_BAR_COLOR = "navigation_bar_color"
 
-        const val KEY_TEXT_COLOR_PRIMARY = "text_color_primary"
-        const val KEY_TEXT_COLOR_PRIMARY_INVERSE = "text_color_primary_inverse"
-        const val KEY_TEXT_COLOR_SECONDARY = "text_color_secondary"
-        const val KEY_TEXT_COLOR_SECONDARY_INVERSE = "text_color_secondary_inverse"
+    const val KEY_TEXT_COLOR_PRIMARY = "text_color_primary"
+    const val KEY_TEXT_COLOR_PRIMARY_INVERSE = "text_color_primary_inverse"
+    const val KEY_TEXT_COLOR_SECONDARY = "text_color_secondary"
+    const val KEY_TEXT_COLOR_SECONDARY_INVERSE = "text_color_secondary_inverse"
 
-        const val KEY_BACKGROUND_COLOR = "backgroundColor"
-        const val KEY_BOTTOM_BACKGROUND = "bottomBackground"
+    const val KEY_BACKGROUND_COLOR = "backgroundColor"
+    const val KEY_BOTTOM_BACKGROUND = "bottomBackground"
 
-        const val KEY_APPLY_PRIMARYDARK_STATUSBAR = "apply_primarydark_statusbar"
-        const val KEY_APPLY_PRIMARY_NAVBAR = "apply_primary_navbar"
-        const val KEY_AUTO_GENERATE_PRIMARYDARK = "auto_generate_primarydark"
+    const val KEY_APPLY_PRIMARYDARK_STATUSBAR = "apply_primarydark_statusbar"
+    const val KEY_APPLY_PRIMARY_NAVBAR = "apply_primary_navbar"
+    const val KEY_AUTO_GENERATE_PRIMARYDARK = "auto_generate_primarydark"
 
-        const val KEY_ELEVATION = "elevation"
+    const val KEY_ELEVATION = "elevation"
 }

app/src/main/java/io/legado/app/model/Debug.kt

@@ -124,7 +124,7 @@ object Debug {
                 log(webBook.sourceUrl, "⇒开始访问发现页:$url")
                 exploreDebug(scope, webBook, url)
             }
-            key.startsWith("++")-> {
+            key.startsWith("++") -> {
                 val url = key.substring(2)
                 val book = Book()
                 book.origin = webBook.sourceUrl
@@ -132,7 +132,7 @@ object Debug {
                 log(webBook.sourceUrl, "⇒开始访目录页:$url")
                 tocDebug(scope, webBook, book)
             }
-            key.startsWith("--")-> {
+            key.startsWith("--") -> {
                 val url = key.substring(2)
                 val book = Book()
                 book.origin = webBook.sourceUrl

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt

@@ -30,14 +30,14 @@ class AnalyzeByJSonPath(json: Any) {
     fun getString(rule: String): String? {
         if (rule.isEmpty()) return null
         var result: String
-        val ruleAnalyzes = RuleAnalyzer(rule,true) //设置平衡组为代码平衡
-        val rules = ruleAnalyzes.splitRule("&&","||")
+        val ruleAnalyzes = RuleAnalyzer(rule, true) //设置平衡组为代码平衡
+        val rules = ruleAnalyzes.splitRule("&&", "||")
 
         if (rules.size == 1) {
 
             ruleAnalyzes.reSetPos() //将pos重置为0，复用解析器
 
-            result = ruleAnalyzes.innerRule("{$."){ getString(it) } //替换所有{$.rule...}
+            result = ruleAnalyzes.innerRule("{$.") { getString(it) } //替换所有{$.rule...}
 
             if (result.isEmpty()) { //st为空，表明无成功替换的内嵌规则
 
@@ -45,7 +45,7 @@ class AnalyzeByJSonPath(json: Any) {
 
                     val ob = ctx.read<Any>(rule)
 
-                    result =(if (ob is List<*>) {
+                    result = (if (ob is List<*>) {
 
                         val builder = StringBuilder()
                         for (o in ob) {
@@ -83,14 +83,14 @@ class AnalyzeByJSonPath(json: Any) {
     internal fun getStringList(rule: String): List<String> {
         val result = ArrayList<String>()
         if (rule.isEmpty()) return result
-        val ruleAnalyzes = RuleAnalyzer(rule,true) //设置平衡组为代码平衡
-        val rules = ruleAnalyzes.splitRule("&&","||","%%")
+        val ruleAnalyzes = RuleAnalyzer(rule, true) //设置平衡组为代码平衡
+        val rules = ruleAnalyzes.splitRule("&&", "||", "%%")
 
         if (rules.size == 1) {
 
             ruleAnalyzes.reSetPos() //将pos重置为0，复用解析器
 
-            val st = ruleAnalyzes.innerRule("{$."){ getString(it) } //替换所有{$.rule...}
+            val st = ruleAnalyzes.innerRule("{$.") { getString(it) } //替换所有{$.rule...}
 
             if (st.isEmpty()) { //st为空，表明无成功替换的内嵌规则
 
@@ -107,7 +107,7 @@ class AnalyzeByJSonPath(json: Any) {
                 } catch (ignored: Exception) {
                 }
 
-            }else result.add(st)
+            } else result.add(st)
 
             return result
 
@@ -148,8 +148,8 @@ class AnalyzeByJSonPath(json: Any) {
     internal fun getList(rule: String): ArrayList<Any>? {
         val result = ArrayList<Any>()
         if (rule.isEmpty()) return result
-        val ruleAnalyzes = RuleAnalyzer(rule,true) //设置平衡组为代码平衡
-        val rules = ruleAnalyzes.splitRule("&&","||","%%")
+        val ruleAnalyzes = RuleAnalyzer(rule, true) //设置平衡组为代码平衡
+        val rules = ruleAnalyzes.splitRule("&&", "||", "%%")
         if (rules.size == 1) {
             ctx.let {
                 try {

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSoup.kt

@@ -42,13 +42,14 @@ class AnalyzeByJSoup(doc: Any) {
      * 合并内容列表,得到内容
      */
     internal fun getString(ruleStr: String) =
-        if(ruleStr.isEmpty()) null
+        if (ruleStr.isEmpty()) null
         else getStringList(ruleStr).takeIf { it.isNotEmpty() }?.joinToString("\n")
 
     /**
      * 获取一个字符串
      */
-    internal fun getString0(ruleStr: String) = getStringList(ruleStr).let{ if ( it.isEmpty() ) "" else it[0] }
+    internal fun getString0(ruleStr: String) =
+        getStringList(ruleStr).let { if (it.isEmpty()) "" else it[0] }
 
     /**
      * 获取所有内容列表
@@ -69,7 +70,7 @@ class AnalyzeByJSoup(doc: Any) {
         } else {
 
             val ruleAnalyzes = RuleAnalyzer(sourceRule.elementsRule)
-            val ruleStrS = ruleAnalyzes.splitRule("&&","||" ,"%%")
+            val ruleStrS = ruleAnalyzes.splitRule("&&", "||", "%%")
 
             val results = ArrayList<List<String>>()
             for (ruleStrX in ruleStrS) {
@@ -123,7 +124,7 @@ class AnalyzeByJSoup(doc: Any) {
 
         val sourceRule = SourceRule(rule)
         val ruleAnalyzes = RuleAnalyzer(sourceRule.elementsRule)
-        val ruleStrS = ruleAnalyzes.splitRule("&&","||","%%")
+        val ruleStrS = ruleAnalyzes.splitRule("&&", "||", "%%")
 
         val elementsList = ArrayList<Elements>()
         if (sourceRule.isCss) {
@@ -155,7 +156,7 @@ class AnalyzeByJSoup(doc: Any) {
                         el.addAll(es)
                     }
                     el
-                }else ElementsSingle().getElementsSingle(temp,ruleStr)
+                } else ElementsSingle().getElementsSingle(temp, ruleStr)
 
                 elementsList.add(el)
                 if (el.size > 0 && ruleAnalyzes.elementsType == "||") {
@@ -275,10 +276,12 @@ class AnalyzeByJSoup(doc: Any) {
      * 特殊用法 tag.div[-1:0] 可在任意地方让列表反向
      *
      * */
-    data class ElementsSingle(var split:Char = '.',
-                              var beforeRule:String = "",
-                              val indexDefault:MutableList<Int> = mutableListOf(),
-                              val indexs:MutableList<Any> = mutableListOf()){
+    data class ElementsSingle(
+        var split: Char = '.',
+        var beforeRule: String = "",
+        val indexDefault: MutableList<Int> = mutableListOf(),
+        val indexs: MutableList<Any> = mutableListOf()
+    ) {
         /**
          * 获取Elements按照一个规则
          */
@@ -289,43 +292,44 @@ class AnalyzeByJSoup(doc: Any) {
             /**
              * 获取所有元素
              * */
-            var elements = if (beforeRule.isEmpty()) temp.children() //允许索引直接作为根元素，此时前置规则为空，效果与children相同
-            else {
-                val rules = beforeRule.split(".")
-                when (rules[0]) {
-                    "children" -> temp.children() //允许索引直接作为根元素，此时前置规则为空，效果与children相同
-                    "class" -> temp.getElementsByClass(rules[1])
-                    "tag" -> temp.getElementsByTag(rules[1])
-                    "id" -> Collector.collect(Evaluator.Id(rules[1]), temp)
-                    "text" -> temp.getElementsContainingOwnText(rules[1])
-                    else -> temp.select(beforeRule)
+            var elements =
+                if (beforeRule.isEmpty()) temp.children() //允许索引直接作为根元素，此时前置规则为空，效果与children相同
+                else {
+                    val rules = beforeRule.split(".")
+                    when (rules[0]) {
+                        "children" -> temp.children() //允许索引直接作为根元素，此时前置规则为空，效果与children相同
+                        "class" -> temp.getElementsByClass(rules[1])
+                        "tag" -> temp.getElementsByTag(rules[1])
+                        "id" -> Collector.collect(Evaluator.Id(rules[1]), temp)
+                        "text" -> temp.getElementsContainingOwnText(rules[1])
+                        else -> temp.select(beforeRule)
+                    }
                 }
-            }
 
             val len = elements.size
-            val lastIndexs = (indexDefault.size - 1).takeIf { it !=-1 } ?: indexs.size -1
+            val lastIndexs = (indexDefault.size - 1).takeIf { it != -1 } ?: indexs.size - 1
             val indexSet = mutableSetOf<Int>()
 
             /**
              * 获取无重且不越界的索引集合
              * */
-            if(indexs.isEmpty())for (ix in lastIndexs downTo 0 ){ //indexs为空，表明是非[]式索引，集合是逆向遍历插入的，所以这里也逆向遍历，好还原顺序
+            if (indexs.isEmpty()) for (ix in lastIndexs downTo 0) { //indexs为空，表明是非[]式索引，集合是逆向遍历插入的，所以这里也逆向遍历，好还原顺序
 
                 val it = indexDefault[ix]
-                if(it in 0 until len) indexSet.add(it) //将正数不越界的索引添加到集合
-                else if(it < 0 && len >= -it) indexSet.add(it + len) //将负数不越界的索引添加到集合
+                if (it in 0 until len) indexSet.add(it) //将正数不越界的索引添加到集合
+                else if (it < 0 && len >= -it) indexSet.add(it + len) //将负数不越界的索引添加到集合
 
-            }else for (ix in lastIndexs downTo 0 ){ //indexs不空，表明是[]式索引，集合是逆向遍历插入的，所以这里也逆向遍历，好还原顺序
+            } else for (ix in lastIndexs downTo 0) { //indexs不空，表明是[]式索引，集合是逆向遍历插入的，所以这里也逆向遍历，好还原顺序
 
-                if(indexs[ix] is Triple<*, *, *>){ //区间
+                if (indexs[ix] is Triple<*, *, *>) { //区间
 
                     val (startx, endx, stepx) = indexs[ix] as Triple<Int?, Int?, Int> //还原储存时的类型
 
-                    val start = if (startx == null)  0 //左端省略表示0
+                    val start = if (startx == null) 0 //左端省略表示0
                     else if (startx >= 0) if (startx < len) startx else len - 1 //右端越界，设置为最大索引
                     else if (-startx <= len) len + startx /* 将负索引转正 */ else 0 //左端越界，设置为最小索引
 
-                    val end = if (endx == null)  len - 1 //右端省略表示 len - 1
+                    val end = if (endx == null) len - 1 //右端省略表示 len - 1
                     else if (endx >= 0) if (endx < len) endx else len - 1 //右端越界，设置为最大索引
                     else if (-endx <= len) len + endx /* 将负索引转正 */ else 0 //左端越界，设置为最小索引
 
@@ -336,17 +340,18 @@ class AnalyzeByJSoup(doc: Any) {
 
                     }
 
-                    val step = if (stepx > 0) stepx else if (-stepx < len) stepx + len else 1 //最小正数间隔为1
+                    val step =
+                        if (stepx > 0) stepx else if (-stepx < len) stepx + len else 1 //最小正数间隔为1
 
                     //将区间展开到集合中,允许列表反向。
                     indexSet.addAll(if (end > start) start..end step step else start downTo end step step)
 
-                }else{//单个索引
+                } else {//单个索引
 
                     val it = indexs[ix] as Int //还原储存时的类型
 
-                    if(it in 0 until len) indexSet.add(it) //将正数不越界的索引添加到集合
-                    else if(it < 0 && len >= -it) indexSet.add(it + len) //将负数不越界的索引添加到集合
+                    if (it in 0 until len) indexSet.add(it) //将正数不越界的索引添加到集合
+                    else if (it < 0 && len >= -it) indexSet.add(it + len) //将负数不越界的索引添加到集合
 
                 }
 
@@ -355,13 +360,13 @@ class AnalyzeByJSoup(doc: Any) {
             /**
              * 根据索引集合筛选元素
              * */
-            if(split == '!'){ //排除
+            if (split == '!') { //排除
 
                 for (pcInt in indexSet) elements[pcInt] = null
 
                 elements.removeAll(listOf(null)) //测试过，这样就行
 
-            }else if(split == '.'){ //选择
+            } else if (split == '.') { //选择
 
                 val es = Elements()
 
@@ -375,9 +380,9 @@ class AnalyzeByJSoup(doc: Any) {
 
         }
 
-        private fun findIndexSet( rule:String ){
+        private fun findIndexSet(rule: String) {
 
-            val rus = rule.trim{ it <= ' '}
+            val rus = rule.trim { it <= ' ' }
 
             var len = rus.length
             var curInt: Int? //当前数字
@@ -387,7 +392,7 @@ class AnalyzeByJSoup(doc: Any) {
 
             val head = rus.last() == ']' //是否为常规索引写法
 
-            if(head){ //常规索引写法[index...]
+            if (head) { //常规索引写法[index...]
 
                 len-- //跳过尾部']'
 
@@ -400,7 +405,8 @@ class AnalyzeByJSoup(doc: Any) {
                     else if (rl == '-') curMinus = true
                     else {
 
-                        curInt = if (l.isEmpty()) null else if (curMinus) -l.toInt() else l.toInt() //当前数字
+                        curInt =
+                            if (l.isEmpty()) null else if (curMinus) -l.toInt() else l.toInt() //当前数字
 
                         when (rl) {
 
@@ -409,32 +415,39 @@ class AnalyzeByJSoup(doc: Any) {
                             else -> {
 
                                 //为保证查找顺序，区间和单个索引都添加到同一集合
-                                if(curList.isEmpty()) {
+                                if (curList.isEmpty()) {
 
-                                    if(curInt == null) break //是jsoup选择器而非索引列表，跳出
+                                    if (curInt == null) break //是jsoup选择器而非索引列表，跳出
 
                                     indexs.add(curInt)
-                                }
-                                else{
+                                } else {
 
                                     //列表最后压入的是区间右端，若列表有两位则最先压入的是间隔
-                                    indexs.add( Triple(curInt, curList.last(), if(curList.size == 2) curList.first() else 1) )
+                                    indexs.add(
+                                        Triple(
+                                            curInt,
+                                            curList.last(),
+                                            if (curList.size == 2) curList.first() else 1
+                                        )
+                                    )
 
                                     curList.clear() //重置临时列表，避免影响到下个区间的处理
 
                                 }
 
-                                if(rl == '!'){
-                                    split='!'
-                                    do{ rl = rus[--len] } while (len > 0 && rl == ' ')//跳过所有空格
+                                if (rl == '!') {
+                                    split = '!'
+                                    do {
+                                        rl = rus[--len]
+                                    } while (len > 0 && rl == ' ')//跳过所有空格
                                 }
 
-                                if(rl == '[') {
+                                if (rl == '[') {
                                     beforeRule = rus.substring(0, len) //遇到索引边界，返回结果
                                     return
                                 }
 
-                                if(rl != ',') break //非索引结构，跳出
+                                if (rl != ',') break //非索引结构，跳出
 
                             }
                         }
@@ -452,17 +465,17 @@ class AnalyzeByJSoup(doc: Any) {
                 else if (rl == '-') curMinus = true
                 else {
 
-                    if(rl == '!'  || rl == '.' || rl == ':') { //分隔符或起始符
+                    if (rl == '!' || rl == '.' || rl == ':') { //分隔符或起始符
 
                         indexDefault.add(if (curMinus) -l.toInt() else l.toInt()) // 当前数字追加到列表
 
-                        if (rl != ':'){ //rl == '!'  || rl == '.'
+                        if (rl != ':') { //rl == '!'  || rl == '.'
                             split = rl
                             beforeRule = rus.substring(0, len)
                             return
                         }
 
-                    }else break //非索引结构，跳出循环
+                    } else break //非索引结构，跳出循环
 
                     l = "" //清空
                     curMinus = false //重置

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByXPath.kt

@@ -45,11 +45,11 @@ class AnalyzeByXPath(doc: Any) {
 
     internal fun getElements(xPath: String): List<JXNode>? {
 
-        if(xPath.isEmpty()) return null
+        if (xPath.isEmpty()) return null
 
         val jxNodes = ArrayList<JXNode>()
         val ruleAnalyzes = RuleAnalyzer(xPath)
-        val rules = ruleAnalyzes.splitRule("&&","||","%%")
+        val rules = ruleAnalyzes.splitRule("&&", "||", "%%")
 
         if (rules.size == 1) {
             return getResult(rules[0])
@@ -87,7 +87,7 @@ class AnalyzeByXPath(doc: Any) {
 
         val result = ArrayList<String>()
         val ruleAnalyzes = RuleAnalyzer(xPath)
-        val rules = ruleAnalyzes.splitRule("&&","||","%%")
+        val rules = ruleAnalyzes.splitRule("&&", "||", "%%")
 
         if (rules.size == 1) {
             getResult(xPath)?.map {
@@ -126,7 +126,7 @@ class AnalyzeByXPath(doc: Any) {
 
     fun getString(rule: String): String? {
         val ruleAnalyzes = RuleAnalyzer(rule)
-        val rules = ruleAnalyzes.splitRule("&&","||")
+        val rules = ruleAnalyzes.splitRule("&&", "||")
         if (rules.size == 1) {
             getResult(rule)?.let {
                 return TextUtils.join("\n", it)

app/src/main/java/io/legado/app/model/analyzeRule/RuleAnalyzer.kt

@@ -19,7 +19,7 @@ class RuleAnalyzer(data: String, code: Boolean = false) {
     var innerType = true //是否为内嵌{{}}
 
     fun trim() { // 修剪当前规则之前的"@"或者空白符
-        if(queue[pos] == '@' || queue[pos] < '!') { //在while里重复设置start和startX会拖慢执行速度，所以先来个判断是否存在需要修剪的字段，最后再一次性设置start和startX
+        if (queue[pos] == '@' || queue[pos] < '!') { //在while里重复设置start和startX会拖慢执行速度，所以先来个判断是否存在需要修剪的字段，最后再一次性设置start和startX
             pos++
             while (queue[pos] == '@' || queue[pos] < '!') pos++
             start = pos //开始点推移
@@ -258,7 +258,7 @@ class RuleAnalyzer(data: String, code: Boolean = false) {
             val next = if (queue[pos] == '[') ']' else ')' //平衡组末尾字符
 
             if (!chompBalanced(queue[pos], next)) throw Error(
-                    queue.substring(0,start) + "后未平衡"
+                queue.substring(0, start) + "后未平衡"
             ) //拉出一个筛选器,不平衡则报错
 
         } while (end > pos)
@@ -315,7 +315,7 @@ class RuleAnalyzer(data: String, code: Boolean = false) {
             val next = if (queue[pos] == '[') ']' else ')' //平衡组末尾字符
 
             if (!chompBalanced(queue[pos], next)) throw Error(
-                    queue.substring(0,start) + "后未平衡"
+                queue.substring(0, start) + "后未平衡"
             ) //拉出一个筛选器,不平衡则报错
 
         } while (end > pos)
@@ -338,10 +338,10 @@ class RuleAnalyzer(data: String, code: Boolean = false) {
      *
      * */
     fun innerRule(
-            inner: String,
-            startStep: Int = 1,
-            endStep: Int = 1,
-            fr: (String) -> String?
+        inner: String,
+        startStep: Int = 1,
+        endStep: Int = 1,
+        fr: (String) -> String?
     ): String {
         val st = StringBuilder()
 
@@ -358,7 +358,7 @@ class RuleAnalyzer(data: String, code: Boolean = false) {
             pos += inner.length //拉出字段不平衡，inner只是个普通字串，跳到此inner后继续匹配
         }
 
-        return if(startX == 0) "" else st.apply {
+        return if (startX == 0) "" else st.apply {
             append(queue.substring(startX))
         }.toString()
     }

app/src/main/java/io/legado/app/model/localBook/LocalBook.kt

@@ -26,22 +26,30 @@ object LocalBook {
     }
 
     fun getChapterList(book: Book): ArrayList<BookChapter> {
-        return if (book.isEpub()) {
-            EpubFile.getChapterList(book)
-        }else if(book.isUmd()){
-            UmdFile.getChapterList(book)
-        } else {
-            AnalyzeTxtFile().analyze(book)
+        return when {
+            book.isEpub() -> {
+                EpubFile.getChapterList(book)
+            }
+            book.isUmd() -> {
+                UmdFile.getChapterList(book)
+            }
+            else -> {
+                AnalyzeTxtFile().analyze(book)
+            }
         }
     }
 
     fun getContext(book: Book, chapter: BookChapter): String? {
-        return if (book.isEpub()) {
-            EpubFile.getContent(book, chapter)
-        }else if (book.isUmd()){
-            UmdFile.getContent(book, chapter)
-        } else {
-            AnalyzeTxtFile.getContent(book, chapter)
+        return when {
+            book.isEpub() -> {
+                EpubFile.getContent(book, chapter)
+            }
+            book.isUmd() -> {
+                UmdFile.getContent(book, chapter)
+            }
+            else -> {
+                AnalyzeTxtFile.getContent(book, chapter)
+            }
         }
     }
 
@@ -65,7 +73,7 @@ object LocalBook {
             path = uri.path!!
             File(path).name
         })
-        val tempFileName=fileName.replace(Regex("\\.txt$"), "")
+        val tempFileName = fileName.replace(Regex("\\.txt$"), "")
 
         val name: String
         val author: String
@@ -95,9 +103,9 @@ object LocalBook {
 
                     //在用户脚本后添加捕获author、name的代码，只要脚本中author、name有值就会被捕获
                     AppConfig.bookImportFileName + "\nJSON.stringify({author:author,name:name})",
-                    
+
                     //将文件名注入到脚步的src变量中
-                    SimpleBindings().also{ it["src"] = tempFileName }
+                    SimpleBindings().also { it["src"] = tempFileName }
                 ).toString()
                 val bookMess = GSON.fromJsonObject<HashMap<String, String>>(jsonStr) ?: HashMap()
                 name = bookMess["name"] ?: tempFileName
@@ -132,7 +140,7 @@ object LocalBook {
 
     fun deleteBook(book: Book, deleteOriginal: Boolean) {
         kotlin.runCatching {
-            if (book.isLocalTxt()||book.isUmd()) {
+            if (book.isLocalTxt() || book.isUmd()) {
                 val bookFile = FileUtils.getFile(cacheFolder, book.originName)
                 bookFile.delete()
             }

app/src/main/java/io/legado/app/model/localBook/UmdFile.kt

@@ -56,7 +56,6 @@ class UmdFile(var book: Book) {
     }
 
 
-
     private var umdBook: UmdBook? = null
         get() {
             if (field != null) {
@@ -67,7 +66,6 @@ class UmdFile(var book: Book) {
         }
 
 
-
     init {
         try {
             umdBook?.let {
@@ -79,7 +77,7 @@ class UmdFile(var book: Book) {
                     )
                 }
                 if (!File(book.coverUrl!!).exists()) {
-                    FileUtils.writeBytes(book.coverUrl!!,it.cover.coverData)
+                    FileUtils.writeBytes(book.coverUrl!!, it.cover.coverData)
 
                 }
             }
@@ -87,8 +85,9 @@ class UmdFile(var book: Book) {
             e.printStackTrace()
         }
     }
+
     private fun readUmd(): UmdBook? {
-        val input= if (book.bookUrl.isContentScheme()) {
+        val input = if (book.bookUrl.isContentScheme()) {
             val uri = Uri.parse(book.bookUrl)
             appCtx.contentResolver.openInputStream(uri)
         } else {
@@ -98,18 +97,19 @@ class UmdFile(var book: Book) {
     }
 
     private fun upBookInfo() {
-        if(umdBook==null){
+        if (umdBook == null) {
             uFile = null
             book.intro = "书籍导入异常"
-        }else{
-            val hd= umdBook!!.header
-            book.name=hd.title;
-            book.author=hd.author;
-            book.kind=hd.bookType;
+        } else {
+            val hd = umdBook!!.header
+            book.name = hd.title
+            book.author = hd.author
+            book.kind = hd.bookType
         }
     }
+
     private fun getContent(chapter: BookChapter): String? {
-       return umdBook?.chapters?.getContentString(chapter.index)
+        return umdBook?.chapters?.getContentString(chapter.index)
     }
 
     private fun getChapterList(): ArrayList<BookChapter> {
@@ -117,11 +117,11 @@ class UmdFile(var book: Book) {
         umdBook?.chapters?.titles?.forEachIndexed { index, _ ->
             val title = umdBook!!.chapters.getTitle(index)
             val chapter = BookChapter()
-            chapter.title=title;
+            chapter.title = title
             chapter.index = index
             chapter.bookUrl = book.bookUrl
-            chapter.url = index.toString();
-            Log.d("UMD",chapter.url)
+            chapter.url = index.toString()
+            Log.d("UMD", chapter.url)
             chapterList.add(chapter)
         }
         book.latestChapterTitle = chapterList.lastOrNull()?.title

app/src/main/java/io/legado/app/model/webBook/SearchBookModel.kt

@@ -86,8 +86,8 @@ class SearchBookModel(private val scope: CoroutineScope, private val callBack: C
                         } else {
                             searchIndex++
                         }
-                        if (searchIndex >= bookSourceList.lastIndex + min(bookSourceList.size,
-                                threadCount)
+                        if (searchIndex >= bookSourceList.lastIndex
+                            + min(bookSourceList.size, threadCount)
                         ) {
                             callBack.onSearchFinish()
                         }

app/src/main/java/io/legado/app/service/CheckSourceService.kt

@@ -17,6 +17,7 @@ import io.legado.app.service.help.CheckSource
 import io.legado.app.ui.book.source.manage.BookSourceActivity
 import io.legado.app.utils.postEvent
 import io.legado.app.utils.toastOnUi
+import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.asCoroutineDispatcher
 import java.util.concurrent.Executors
 import kotlin.math.min
@@ -129,14 +130,14 @@ class CheckSourceService : BaseService() {
                 throw Exception("正文内容为空")
             }
         }.timeout(180000L)
-            .onError {
+            .onError(IO) {
                 source.addGroup("失效")
                 source.bookSourceComment = """
                     "error:${it.localizedMessage}
                     ${source.bookSourceComment}"
                 """.trimIndent()
                 appDb.bookSourceDao.update(source)
-            }.onSuccess {
+            }.onSuccess(IO) {
                 source.removeGroup("失效")
                 source.bookSourceComment = source.bookSourceComment
                     ?.split("\n")

app/src/main/java/io/legado/app/service/HttpReadAloudService.kt

@@ -21,9 +21,9 @@ import java.net.SocketTimeoutException
 import java.util.*
 
 class HttpReadAloudService : BaseReadAloudService(),
-        MediaPlayer.OnPreparedListener,
-        MediaPlayer.OnErrorListener,
-        MediaPlayer.OnCompletionListener {
+    MediaPlayer.OnPreparedListener,
+    MediaPlayer.OnErrorListener,
+    MediaPlayer.OnCompletionListener {
 
     private val player by lazy { MediaPlayer() }
     private lateinit var ttsFolder: String
@@ -53,7 +53,8 @@ class HttpReadAloudService : BaseReadAloudService(),
     override fun play() {
         if (contentList.isEmpty()) return
         ReadAloud.httpTTS?.let {
-            val fileName = md5SpeakFileName(it.url, AppConfig.ttsSpeechRate.toString(), contentList[nowSpeak])
+            val fileName =
+                md5SpeakFileName(it.url, AppConfig.ttsSpeechRate.toString(), contentList[nowSpeak])
             if (nowSpeak == 0) {
                 downloadAudio()
             } else {
@@ -91,9 +92,9 @@ class HttpReadAloudService : BaseReadAloudService(),
                             try {
                                 createSpeakCacheFile(fileName)
                                 AnalyzeUrl(
-                                        it.url,
-                                        speakText = item,
-                                        speakSpeed = AppConfig.ttsSpeechRate
+                                    it.url,
+                                    speakText = item,
+                                    speakSpeed = AppConfig.ttsSpeechRate
                                 ).getByteArray().let { bytes ->
                                     ensureActive()
 
@@ -153,23 +154,23 @@ class HttpReadAloudService : BaseReadAloudService(),
     }
 
     private fun hasSpeakFile(name: String) =
-            FileUtils.exist("${speakFilePath()}$name.mp3")
+        FileUtils.exist("${speakFilePath()}$name.mp3")
 
     private fun hasSpeakCacheFile(name: String) =
-            FileUtils.exist("${speakFilePath()}$name.mp3.cache")
+        FileUtils.exist("${speakFilePath()}$name.mp3.cache")
 
     private fun createSpeakCacheFile(name: String): File =
-            FileUtils.createFileWithReplace("${speakFilePath()}$name.mp3.cache")
+        FileUtils.createFileWithReplace("${speakFilePath()}$name.mp3.cache")
 
     private fun removeSpeakCacheFile(name: String) {
         FileUtils.delete("${speakFilePath()}$name.mp3.cache")
     }
 
     private fun getSpeakFileAsMd5(name: String): File =
-            FileUtils.getFile(File(speakFilePath()), "$name.mp3")
+        FileUtils.getFile(File(speakFilePath()), "$name.mp3")
 
     private fun getSpeakFileAsMd5IfNotExist(name: String): File =
-            FileUtils.createFileIfNotExist("${speakFilePath()}$name.mp3")
+        FileUtils.createFileIfNotExist("${speakFilePath()}$name.mp3")
 
     private fun removeCacheFile() {
         FileUtils.listDirsAndFiles(speakFilePath())?.forEach {
@@ -178,7 +179,7 @@ class HttpReadAloudService : BaseReadAloudService(),
             }
             if (Regex(""".+\.mp3$""").matches(it.name)) { //mp3缓存文件
                 val reg =
-                        """^${MD5Utils.md5Encode16(textChapter!!.title)}_[a-z0-9]{16}\.mp3$""".toRegex()
+                    """^${MD5Utils.md5Encode16(textChapter!!.title)}_[a-z0-9]{16}\.mp3$""".toRegex()
                 if (!reg.matches(it.name)) {
                     FileUtils.deleteFile(it.absolutePath)
                 }

app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt

@@ -233,7 +233,11 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
     }
 
     private fun setAssets(doc: DocumentFile, book: Book, epubBook: EpubBook): String {
-        if(!(AppConfig.isGooglePlay|| appCtx.packageName.contains("debug",true))) return setAssets(book, epubBook)
+        if (!(AppConfig.isGooglePlay || appCtx.packageName.contains(
+                "debug",
+                true
+            ))
+        ) return setAssets(book, epubBook)
 
         var contentModel = ""
         DocumentUtils.getDirDocument(doc, "Asset").let { customPath ->

app/src/main/java/io/legado/app/ui/book/read/config/TextFontWeightConverter.kt

@@ -12,7 +12,8 @@ import io.legado.app.lib.theme.accentColor
 import io.legado.app.ui.widget.text.StrokeTextView
 
 
-class TextFontWeightConverter(context: Context, attrs: AttributeSet?) : StrokeTextView(context, attrs) {
+class TextFontWeightConverter(context: Context, attrs: AttributeSet?) :
+    StrokeTextView(context, attrs) {
 
     private val spannableString = SpannableString("中/粗/细")
     private var enabledSpan: ForegroundColorSpan = ForegroundColorSpan(context.accentColor)

app/src/main/java/io/legado/app/ui/book/read/page/delegate/SimulationPageDelegate.kt

@@ -23,20 +23,26 @@ class SimulationPageDelegate(readView: ReadView) : HorizontalPageDelegate(readVi
 
     // 贝塞尔曲线起始点
     private val mBezierStart1 = PointF()
+
     // 贝塞尔曲线控制点
     private val mBezierControl1 = PointF()
+
     // 贝塞尔曲线顶点
     private val mBezierVertex1 = PointF()
+
     // 贝塞尔曲线结束点
     private var mBezierEnd1 = PointF()
 
     // 另一条贝塞尔曲线
     // 贝塞尔曲线起始点
     private val mBezierStart2 = PointF()
+
     // 贝塞尔曲线控制点
     private val mBezierControl2 = PointF()
+
     // 贝塞尔曲线顶点
     private val mBezierVertex2 = PointF()
+
     // 贝塞尔曲线结束点
     private var mBezierEnd2 = PointF()
 
@@ -60,10 +66,13 @@ class SimulationPageDelegate(readView: ReadView) : HorizontalPageDelegate(readVi
     // 是否属于右上左下
     private var mIsRtOrLb = false
     private var mMaxLength = hypot(viewWidth.toDouble(), viewHeight.toDouble()).toFloat()
+
     // 背面颜色组
     private var mBackShadowColors: IntArray
+
     // 前面颜色组
     private var mFrontShadowColors: IntArray
+
     // 有阴影的GradientDrawable
     private var mBackShadowDrawableLR: GradientDrawable
     private var mBackShadowDrawableRL: GradientDrawable

app/src/main/java/io/legado/app/ui/book/read/page/delegate/curl/CurlMesh.java

@@ -43,22 +43,22 @@ public class CurlMesh {
     // Let's avoid using 'new' as much as possible. Meaning we introduce arrays
     // once here and reuse them on runtime. Doesn't really have very much effect
     // but avoids some garbage collections from happening.
-    private Array<ShadowVertex> mArrDropShadowVertices;
-    private Array<Vertex> mArrIntersections;
-    private Array<Vertex> mArrOutputVertices;
-    private Array<Vertex> mArrRotatedVertices;
-    private Array<Double> mArrScanLines;
-    private Array<ShadowVertex> mArrSelfShadowVertices;
-    private Array<ShadowVertex> mArrTempShadowVertices;
-    private Array<Vertex> mArrTempVertices;
+    private final Array<ShadowVertex> mArrDropShadowVertices;
+    private final Array<Vertex> mArrIntersections;
+    private final Array<Vertex> mArrOutputVertices;
+    private final Array<Vertex> mArrRotatedVertices;
+    private final Array<Double> mArrScanLines;
+    private final Array<ShadowVertex> mArrSelfShadowVertices;
+    private final Array<ShadowVertex> mArrTempShadowVertices;
+    private final Array<Vertex> mArrTempVertices;
 
     // Buffers for feeding rasterizer.
-    private FloatBuffer mBufColors;
+    private final FloatBuffer mBufColors;
     private FloatBuffer mBufCurlPositionLines;
-    private FloatBuffer mBufShadowColors;
-    private FloatBuffer mBufShadowVertices;
-    private FloatBuffer mBufTexCoords;
-    private FloatBuffer mBufVertices;
+    private final FloatBuffer mBufShadowColors;
+    private final FloatBuffer mBufShadowVertices;
+    private final FloatBuffer mBufTexCoords;
+    private final FloatBuffer mBufVertices;
 
     private int mCurlPositionLinesCount;
     private int mDropShadowCount;
@@ -66,7 +66,7 @@ public class CurlMesh {
     // Boolean for 'flipping' texture sideways.
     private boolean mFlipTexture = false;
     // Maximum number of split lines used for creating a curl.
-    private int mMaxCurlSplits;
+    private final int mMaxCurlSplits;
 
     // Bounding rectangle for this mesh. mRectagle[0] = top-left corner,
     // mRectangle[1] = bottom-left, mRectangle[2] = top-right and mRectangle[3]
@@ -268,7 +268,7 @@ public class CurlMesh {
         // Also vertices/lines are given in an order first one has x -coordinate
         // at least the latter one. This property is used in getIntersections to
         // see if there is an intersection.
-        int lines[][] = {{0, 1}, {0, 2}, {1, 3}, {2, 3}};
+        int[][] lines = {{0, 1}, {0, 2}, {1, 3}, {2, 3}};
         {
             // TODO: There really has to be more 'easier' way of doing this -
             // not including extensive use of sqrt.
@@ -826,8 +826,8 @@ public class CurlMesh {
      * Simple fixed size array implementation.
      */
     private class Array<T> {
-        private Object[] mArray;
-        private int mCapacity;
+        private final Object[] mArray;
+        private final int mCapacity;
         private int mSize;
 
         public Array(int capacity) {

app/src/main/java/io/legado/app/ui/book/read/page/provider/ZhLayout.kt

@@ -2,7 +2,6 @@ package io.legado.app.ui.book.read.page.provider
 
 import android.graphics.Rect
 import android.text.Layout
-import android.text.StaticLayout
 import android.text.TextPaint
 import io.legado.app.utils.toStringArray
 import kotlin.math.max

app/src/main/java/io/legado/app/ui/book/searchContent/SearchResult.kt

@@ -13,7 +13,7 @@ data class SearchResult(
     var chapterIndex: Int = 0,
     var pageIndex: Int = 0,
     var newPosition: Int = 0,
-    var contentPosition: Int =0
+    var contentPosition: Int = 0
 ) {
 
     fun getHtmlCompat(textColor: String, accentColor: String): Spanned {

app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt

@@ -26,7 +26,7 @@ class BookSourceDebugModel(application: Application) : BaseViewModel(application
         }
     }
 
-    fun observe(callback: (Int, String)-> Unit){
+    fun observe(callback: (Int, String) -> Unit) {
         this.callback = callback
     }
 

app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditAdapter.kt

@@ -58,7 +58,12 @@ class BookSourceEditAdapter : RecyclerView.Adapter<BookSourceEditAdapter.MyViewH
             editText.setText(editEntity.value)
             textInputLayout.hint = itemView.context.getString(editEntity.hint)
             val textWatcher = object : TextWatcher {
-                override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
+                override fun beforeTextChanged(
+                    s: CharSequence,
+                    start: Int,
+                    count: Int,
+                    after: Int
+                ) {
 
                 }
 

app/src/main/java/io/legado/app/ui/book/toc/BookmarkFragment.kt

@@ -83,8 +83,8 @@ class BookmarkFragment : VMBaseFragment<TocViewModel>(R.layout.fragment_bookmark
                 editView.setText(bookmark.content)
                 editBookText.textSize = 15f
                 editView.textSize = 15f
-                editBookText.maxLines= 6
-                editView.maxLines= 6
+                editBookText.maxLines = 6
+                editView.maxLines = 6
             }
             customView { alertBinding.root }
             yesButton {

app/src/main/java/io/legado/app/ui/document/adapter/FileAdapter.kt

@@ -138,10 +138,12 @@ class FileAdapter(context: Context, val callBack: CallBack) :
          * 是否显示返回主目录
          */
         var isShowHomeDir: Boolean
+
         /**
          * 是否显示返回上一级
          */
         var isShowUpDir: Boolean
+
         /**
          * 是否显示隐藏的目录（以“.”开头）
          */

app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt

@@ -93,8 +93,12 @@ class ExploreAdapter(context: Context, private val scope: CoroutineScope, val ca
                     lp.flexBasisPercent = style.layout_flexBasisPercent
                     lp.isWrapBefore = style.layout_wrapBefore
                 }
-                tv.setOnClickListener {
-                    callBack.openExplore(sourceUrl, kind.title, kind.url)
+                if (kind.url.isNullOrBlank()) {
+                    tv.setOnClickListener(null)
+                } else {
+                    tv.setOnClickListener {
+                        callBack.openExplore(sourceUrl, kind.title, kind.url)
+                    }
                 }
             }
         }

app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt

@@ -12,7 +12,6 @@ import io.legado.app.databinding.ItemFilletTextBinding
 import io.legado.app.databinding.PopupKeyboardToolBinding
 
 
-
 class KeyboardToolPop(
     context: Context,
     private val chars: List<String>,

app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt

@@ -72,8 +72,12 @@ class RotateLoading @JvmOverloads constructor(
                 R.styleable.RotateLoading_loading_width,
                 DEFAULT_WIDTH.dp
             )
-            shadowPosition = typedArray.getInt(R.styleable.RotateLoading_shadow_position, DEFAULT_SHADOW_POSITION)
-            speedOfDegree = typedArray.getInt(R.styleable.RotateLoading_loading_speed, DEFAULT_SPEED_OF_DEGREE)
+            shadowPosition = typedArray.getInt(
+                R.styleable.RotateLoading_shadow_position,
+                DEFAULT_SHADOW_POSITION
+            )
+            speedOfDegree =
+                typedArray.getInt(R.styleable.RotateLoading_loading_speed, DEFAULT_SPEED_OF_DEGREE)
             hideMode = when (typedArray.getInt(R.styleable.RotateLoading_hide_mode, 2)) {
                 1 -> INVISIBLE
                 else -> GONE

app/src/main/java/io/legado/app/ui/widget/dialog/TextDialog.kt

@@ -11,9 +11,9 @@ import io.legado.app.databinding.DialogTextViewBinding
 import io.legado.app.utils.getSize
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import io.noties.markwon.Markwon
-import io.noties.markwon.image.glide.GlideImagesPlugin
 import io.noties.markwon.ext.tables.TablePlugin
 import io.noties.markwon.html.HtmlPlugin
+import io.noties.markwon.image.glide.GlideImagesPlugin
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 

app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreference.kt

@@ -6,7 +6,8 @@ import android.widget.TextView
 import androidx.preference.PreferenceViewHolder
 import io.legado.app.R
 
-class EditTextPreference(context: Context, attrs: AttributeSet) : androidx.preference.EditTextPreference(context, attrs) {
+class EditTextPreference(context: Context, attrs: AttributeSet) :
+    androidx.preference.EditTextPreference(context, attrs) {
 
     init {
         // isPersistent = true

app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt

@@ -25,7 +25,6 @@ import io.legado.app.utils.getSize
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 
 
-
 class IconListPreference(context: Context, attrs: AttributeSet) : ListPreference(context, attrs) {
     private var iconNames: Array<CharSequence>
     private val mEntryDrawables = arrayListOf<Drawable?>()
@@ -55,7 +54,17 @@ class IconListPreference(context: Context, attrs: AttributeSet) : ListPreference
 
     override fun onBindViewHolder(holder: PreferenceViewHolder?) {
         super.onBindViewHolder(holder)
-        val v = Preference.bindView<ImageView>(context, holder, icon, title, summary, widgetLayoutResource, R.id.preview, 50, 50)
+        val v = Preference.bindView<ImageView>(
+            context,
+            holder,
+            icon,
+            title,
+            summary,
+            widgetLayoutResource,
+            R.id.preview,
+            50,
+            50
+        )
         if (v is ImageView) {
             val selectedIndex = findIndexOfValue(value)
             if (selectedIndex >= 0) {

app/src/main/java/io/legado/app/ui/widget/prefs/PreferenceCategory.kt

@@ -14,7 +14,8 @@ import io.legado.app.lib.theme.backgroundColor
 import io.legado.app.utils.ColorUtils
 
 
-class PreferenceCategory(context: Context, attrs: AttributeSet) : PreferenceCategory(context, attrs) {
+class PreferenceCategory(context: Context, attrs: AttributeSet) :
+    PreferenceCategory(context, attrs) {
 
     init {
         isPersistent = true

app/src/main/java/io/legado/app/ui/widget/recycler/DragSelectTouchHelper.kt

@@ -136,10 +136,14 @@ class DragSelectTouchHelper(
         View.OnLayoutChangeListener { v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom ->
             if (oldLeft != left || oldRight != right || oldTop != top || oldBottom != bottom) {
                 if (v === mRecyclerView) {
-                    Logger.i("onLayoutChange:new: "
-                            + left + " " + top + " " + right + " " + bottom)
-                    Logger.i("onLayoutChange:old: "
-                            + oldLeft + " " + oldTop + " " + oldRight + " " + oldBottom)
+                    Logger.i(
+                        "onLayoutChange:new: "
+                                + left + " " + top + " " + right + " " + bottom
+                    )
+                    Logger.i(
+                        "onLayoutChange:old: "
+                                + oldLeft + " " + oldTop + " " + oldRight + " " + oldBottom
+                    )
                     init(bottom - top)
                 }
             }
@@ -203,8 +207,10 @@ class DragSelectTouchHelper(
     private val mOnItemTouchListener: OnItemTouchListener by lazy {
         object : OnItemTouchListener {
             override fun onInterceptTouchEvent(rv: RecyclerView, e: MotionEvent): Boolean {
-                Logger.d("onInterceptTouchEvent: x:" + e.x + ",y:" + e.y
-                        + ", " + MotionEvent.actionToString(e.action))
+                Logger.d(
+                    "onInterceptTouchEvent: x:" + e.x + ",y:" + e.y
+                            + ", " + MotionEvent.actionToString(e.action)
+                )
                 val adapter = rv.adapter
                 if (adapter == null || adapter.itemCount == 0) {
                     return false
@@ -267,8 +273,10 @@ class DragSelectTouchHelper(
                 if (!isActivated) {
                     return
                 }
-                Logger.d("onTouchEvent: x:" + e.x + ",y:" + e.y
-                        + ", " + MotionEvent.actionToString(e.action))
+                Logger.d(
+                    "onTouchEvent: x:" + e.x + ",y:" + e.y
+                            + ", " + MotionEvent.actionToString(e.action)
+                )
                 val action = e.action
                 when (action and MotionEvent.ACTION_MASK) {
                     MotionEvent.ACTION_MOVE -> {
@@ -506,8 +514,10 @@ class DragSelectTouchHelper(
             mBottomRegionFrom = (rvHeight shr 1.toFloat().toInt()).toFloat()
             mTopRegionTo = mBottomRegionFrom
         }
-        Logger.d("Hotspot: [" + mTopRegionFrom + ", " + mTopRegionTo + "], ["
-                + mBottomRegionFrom + ", " + mBottomRegionTo + "]")
+        Logger.d(
+            "Hotspot: [" + mTopRegionFrom + ", " + mTopRegionTo + "], ["
+                    + mBottomRegionFrom + ", " + mBottomRegionTo + "]"
+        )
     }
 
     private fun activeSelectInternal(position: Int) {
@@ -613,12 +623,14 @@ class DragSelectTouchHelper(
             SELECT_STATE_DRAG_FROM_NORMAL -> mSelectState = if (mShouldAutoChangeState) {
                 Logger.logSelectStateChange(
                     mSelectState,
-                    SELECT_STATE_SLIDE)
+                    SELECT_STATE_SLIDE
+                )
                 SELECT_STATE_SLIDE
             } else {
                 Logger.logSelectStateChange(
                     mSelectState,
-                    SELECT_STATE_NORMAL)
+                    SELECT_STATE_NORMAL
+                )
                 SELECT_STATE_NORMAL
             }
             SELECT_STATE_DRAG_FROM_SLIDE -> {
@@ -705,8 +717,10 @@ class DragSelectTouchHelper(
     }
 
     private fun dp2px(dpVal: Float): Int {
-        return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
-            dpVal, mDisplayMetrics).toInt()
+        return TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP,
+            dpVal, mDisplayMetrics
+        ).toInt()
     }
 
     private val isRtl: Boolean
@@ -848,8 +862,10 @@ class DragSelectTouchHelper(
                     if (isSelected) {
                         updateSelectState(position, true)
                     } else {
-                        updateSelectState(position,
-                            mOriginalSelection.contains(getItemId(position)))
+                        updateSelectState(
+                            position,
+                            mOriginalSelection.contains(getItemId(position))
+                        )
                     }
                 }
                 Mode.ToggleAndKeep -> {
@@ -866,8 +882,10 @@ class DragSelectTouchHelper(
                     if (isSelected) {
                         updateSelectState(position, !mFirstWasSelected)
                     } else {
-                        updateSelectState(position,
-                            mOriginalSelection.contains(getItemId(position)))
+                        updateSelectState(
+                            position,
+                            mOriginalSelection.contains(getItemId(position))
+                        )
                     }
                 }
                 else ->                     // SelectAndReverse Mode

app/src/main/java/io/legado/app/ui/widget/recycler/ItemTouchCallback.kt

@@ -42,11 +42,15 @@ class ItemTouchCallback(private val callback: Callback) : ItemTouchHelper.Callba
     /**
      * 当用户拖拽或者滑动Item的时候需要我们告诉系统滑动或者拖拽的方向
      */
-    override fun getMovementFlags(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder): Int {
+    override fun getMovementFlags(
+        recyclerView: RecyclerView,
+        viewHolder: RecyclerView.ViewHolder
+    ): Int {
         val layoutManager = recyclerView.layoutManager
         if (layoutManager is GridLayoutManager) {// GridLayoutManager
             // flag如果值是0，相当于这个功能被关闭
-            val dragFlag = ItemTouchHelper.LEFT or ItemTouchHelper.RIGHT or ItemTouchHelper.UP or ItemTouchHelper.DOWN
+            val dragFlag =
+                ItemTouchHelper.LEFT or ItemTouchHelper.RIGHT or ItemTouchHelper.UP or ItemTouchHelper.DOWN
             val swipeFlag = 0
             // create make
             return makeMovementFlags(dragFlag, swipeFlag)

app/src/main/java/io/legado/app/ui/widget/recycler/LoadMoreView.kt

@@ -29,7 +29,7 @@ class LoadMoreView(context: Context, attrs: AttributeSet? = null) : FrameLayout(
     fun stopLoad() {
         binding.rotateLoading.hide()
     }
-    
+
     fun hasMore() {
         hasMore = true
         binding.tvText.invisible()

app/src/main/java/io/legado/app/ui/widget/recycler/scroller/FastScroller.kt

@@ -91,7 +91,11 @@ class FastScroller : LinearLayout {
     }
 
     @JvmOverloads
-    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int = 0) : super(context, attrs, defStyleAttr) {
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int = 0) : super(
+        context,
+        attrs,
+        defStyleAttr
+    ) {
         layout(context, attrs)
         layoutParams = generateLayoutParams(attrs)
     }
@@ -104,16 +108,32 @@ class FastScroller : LinearLayout {
     fun setLayoutParams(viewGroup: ViewGroup) {
         @IdRes val recyclerViewId = mRecyclerView?.id ?: View.NO_ID
         val marginTop = resources.getDimensionPixelSize(R.dimen.fastscroll_scrollbar_margin_top)
-        val marginBottom = resources.getDimensionPixelSize(R.dimen.fastscroll_scrollbar_margin_bottom)
+        val marginBottom =
+            resources.getDimensionPixelSize(R.dimen.fastscroll_scrollbar_margin_bottom)
         require(recyclerViewId != View.NO_ID) { "RecyclerView must have a view ID" }
         when (viewGroup) {
             is ConstraintLayout -> {
                 val constraintSet = ConstraintSet()
                 @IdRes val layoutId = id
                 constraintSet.clone(viewGroup)
-                constraintSet.connect(layoutId, ConstraintSet.TOP, recyclerViewId, ConstraintSet.TOP)
-                constraintSet.connect(layoutId, ConstraintSet.BOTTOM, recyclerViewId, ConstraintSet.BOTTOM)
-                constraintSet.connect(layoutId, ConstraintSet.END, recyclerViewId, ConstraintSet.END)
+                constraintSet.connect(
+                    layoutId,
+                    ConstraintSet.TOP,
+                    recyclerViewId,
+                    ConstraintSet.TOP
+                )
+                constraintSet.connect(
+                    layoutId,
+                    ConstraintSet.BOTTOM,
+                    recyclerViewId,
+                    ConstraintSet.BOTTOM
+                )
+                constraintSet.connect(
+                    layoutId,
+                    ConstraintSet.END,
+                    recyclerViewId,
+                    ConstraintSet.END
+                )
                 constraintSet.applyTo(viewGroup)
                 val layoutParams = layoutParams as ConstraintLayout.LayoutParams
                 layoutParams.setMargins(0, marginTop, 0, marginBottom)
@@ -359,8 +379,13 @@ class FastScroller : LinearLayout {
     private fun setViewPositions(y: Float) {
         mBubbleHeight = mBubbleView.height
         mHandleHeight = mHandleView.height
-        val bubbleY = getValueInRange(0, mViewHeight - mBubbleHeight - mHandleHeight / 2, (y - mBubbleHeight).toInt())
-        val handleY = getValueInRange(0, mViewHeight - mHandleHeight, (y - mHandleHeight / 2).toInt())
+        val bubbleY = getValueInRange(
+            0,
+            mViewHeight - mBubbleHeight - mHandleHeight / 2,
+            (y - mBubbleHeight).toInt()
+        )
+        val handleY =
+            getValueInRange(0, mViewHeight - mHandleHeight, (y - mHandleHeight / 2).toInt())
         if (mShowBubble) {
             mBubbleView.y = bubbleY.toFloat()
         }
@@ -368,7 +393,8 @@ class FastScroller : LinearLayout {
     }
 
     private fun updateViewHeights() {
-        val measureSpec = MeasureSpec.makeMeasureSpec(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED)
+        val measureSpec =
+            MeasureSpec.makeMeasureSpec(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED)
         mBubbleView.measure(measureSpec, measureSpec)
         mBubbleHeight = mBubbleView.measuredHeight
         mHandleView.measure(measureSpec, measureSpec)
@@ -427,7 +453,9 @@ class FastScroller : LinearLayout {
     private fun showScrollbar() {
         mRecyclerView?.let { mRecyclerView ->
             if (mRecyclerView.computeVerticalScrollRange() - mViewHeight > 0) {
-                val transX = resources.getDimensionPixelSize(R.dimen.fastscroll_scrollbar_padding_end).toFloat()
+                val transX =
+                    resources.getDimensionPixelSize(R.dimen.fastscroll_scrollbar_padding_end)
+                        .toFloat()
                 mScrollbar.translationX = transX
                 mScrollbar.visibility = View.VISIBLE
                 mScrollbarAnimator = mScrollbar.animate().translationX(0f).alpha(1f)
@@ -441,7 +469,8 @@ class FastScroller : LinearLayout {
     }
 
     private fun hideScrollbar() {
-        val transX = resources.getDimensionPixelSize(R.dimen.fastscroll_scrollbar_padding_end).toFloat()
+        val transX =
+            resources.getDimensionPixelSize(R.dimen.fastscroll_scrollbar_padding_end).toFloat()
         mScrollbarAnimator = mScrollbar.animate().translationX(transX).alpha(0f)
             .setDuration(sScrollbarAnimDuration.toLong())
             .setListener(object : AnimatorListenerAdapter() {

app/src/main/java/io/legado/app/ui/widget/text/BadgeView.kt

@@ -110,7 +110,9 @@ class BadgeView @JvmOverloads constructor(
         val radius = dip2Px(dipRadius).toFloat()
         val radiusArray =
             floatArrayOf(radius, radius, radius, radius, radius, radius, radius, radius)
-        if (flatangle) { radiusArray.fill(0f, 0, 3) }
+        if (flatangle) {
+            radiusArray.fill(0f, 0, 3)
+        }
 
         val roundRect = RoundRectShape(radiusArray, null, null)
         val bgDrawable = ShapeDrawable(roundRect)

app/src/main/java/io/legado/app/utils/AlertDialogExtensions.kt

@@ -8,6 +8,6 @@ fun AlertDialog.applyTint(): AlertDialog {
     return ATH.setAlertDialogTint(this)
 }
 
-fun AlertDialog.requestInputMethod(){
+fun AlertDialog.requestInputMethod() {
     window?.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
 }

app/src/main/java/io/legado/app/utils/BitmapUtils.kt

@@ -31,7 +31,7 @@ object BitmapUtils {
         val ips = FileInputStream(path)
         // inJustDecodeBounds如果设置为true,仅仅返回图片实际的宽和高,宽和高是赋值给opts.outWidth,opts.outHeight;
         op.inJustDecodeBounds = true
-        BitmapFactory.decodeFileDescriptor(ips.fd,null,op)
+        BitmapFactory.decodeFileDescriptor(ips.fd, null, op)
         //获取比例大小
         val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
         val hRatio = ceil((op.outHeight / height).toDouble()).toInt()
@@ -44,7 +44,7 @@ object BitmapUtils {
             }
         }
         op.inJustDecodeBounds = false
-        return BitmapFactory.decodeFileDescriptor(ips.fd,null,op)
+        return BitmapFactory.decodeFileDescriptor(ips.fd, null, op)
 
     }
 
@@ -57,10 +57,10 @@ object BitmapUtils {
         val opts = BitmapFactory.Options()
         val ips = FileInputStream(path)
         opts.inJustDecodeBounds = true
-        BitmapFactory.decodeFileDescriptor(ips.fd,null,opts)
+        BitmapFactory.decodeFileDescriptor(ips.fd, null, opts)
         opts.inSampleSize = computeSampleSize(opts, -1, 128 * 128)
         opts.inJustDecodeBounds = false
-        return BitmapFactory.decodeFileDescriptor(ips.fd,null,opts)
+        return BitmapFactory.decodeFileDescriptor(ips.fd, null, opts)
     }
 
     /**

app/src/main/java/io/legado/app/utils/FileUtils.kt

@@ -55,7 +55,7 @@ object FileUtils {
         return file
     }
 
-    fun createFileWithReplace(filePath: String) : File{
+    fun createFileWithReplace(filePath: String): File {
         val file = File(filePath)
         if (!file.exists()) {
             //创建父类文件夹
@@ -64,8 +64,7 @@ object FileUtils {
             }
             //创建文件
             file.createNewFile()
-        }
-        else{
+        } else {
             file.delete()
             file.createNewFile()
         }
@@ -516,12 +515,13 @@ object FileUtils {
             closeSilently(fos)
         }
     }
+
     /**
      * 保存文件内容
      */
     fun writeInputStream(filepath: String, data: InputStream): Boolean {
         val file = File(filepath)
-        return writeInputStream(file,data)
+        return writeInputStream(file, data)
     }
 
     /**
@@ -534,7 +534,7 @@ object FileUtils {
                 file.parentFile?.mkdirs()
                 file.createNewFile()
             }
-            val buffer=ByteArray(1024*4)
+            val buffer = ByteArray(1024 * 4)
             fos = FileOutputStream(file)
             while (true) {
                 val len = data.read(buffer, 0, buffer.size)

app/src/main/java/io/legado/app/utils/IntExtensions.kt

@@ -4,12 +4,16 @@ import android.content.res.Resources
 
 val Int.dp: Int
     get() = android.util.TypedValue.applyDimension(
-        android.util.TypedValue.COMPLEX_UNIT_DIP, this.toFloat(), Resources.getSystem().displayMetrics
+        android.util.TypedValue.COMPLEX_UNIT_DIP,
+        this.toFloat(),
+        Resources.getSystem().displayMetrics
     ).toInt()
 
 val Int.sp: Int
     get() = android.util.TypedValue.applyDimension(
-        android.util.TypedValue.COMPLEX_UNIT_SP, this.toFloat(), Resources.getSystem().displayMetrics
+        android.util.TypedValue.COMPLEX_UNIT_SP,
+        this.toFloat(),
+        Resources.getSystem().displayMetrics
     ).toInt()
 
 val Int.hexString: String

app/src/main/java/io/legado/app/utils/Snackbars.kt

@@ -10,7 +10,9 @@ import com.google.android.material.snackbar.Snackbar
  * @param message the message text resource.
  */
 @JvmName("snackbar2")
-fun View.snackbar(@StringRes message: Int) = Snackbar
+fun View.snackbar(
+    @StringRes message: Int
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_SHORT)
     .apply { show() }
 
@@ -20,7 +22,9 @@ fun View.snackbar(@StringRes message: Int) = Snackbar
  * @param message the message text resource.
  */
 @JvmName("longSnackbar2")
-fun View.longSnackbar(@StringRes message: Int) = Snackbar
+fun View.longSnackbar(
+    @StringRes message: Int
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_LONG)
     .apply { show() }
 
@@ -30,7 +34,9 @@ fun View.longSnackbar(@StringRes message: Int) = Snackbar
  * @param message the message text resource.
  */
 @JvmName("indefiniteSnackbar2")
-fun View.indefiniteSnackbar(@StringRes message: Int) = Snackbar
+fun View.indefiniteSnackbar(
+    @StringRes message: Int
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_INDEFINITE)
     .apply { show() }
 
@@ -40,7 +46,9 @@ fun View.indefiniteSnackbar(@StringRes message: Int) = Snackbar
  * @param message the message text.
  */
 @JvmName("snackbar2")
-fun View.snackbar(message: CharSequence) = Snackbar
+fun View.snackbar(
+    message: CharSequence
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_SHORT)
     .apply { show() }
 
@@ -50,7 +58,9 @@ fun View.snackbar(message: CharSequence) = Snackbar
  * @param message the message text.
  */
 @JvmName("longSnackbar2")
-fun View.longSnackbar(message: CharSequence) = Snackbar
+fun View.longSnackbar(
+    message: CharSequence
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_LONG)
     .apply { show() }
 
@@ -60,7 +70,9 @@ fun View.longSnackbar(message: CharSequence) = Snackbar
  * @param message the message text.
  */
 @JvmName("indefiniteSnackbar2")
-fun View.indefiniteSnackbar(message: CharSequence) = Snackbar
+fun View.indefiniteSnackbar(
+    message: CharSequence
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_INDEFINITE)
     .apply { show() }
 
@@ -70,7 +82,11 @@ fun View.indefiniteSnackbar(message: CharSequence) = Snackbar
  * @param message the message text resource.
  */
 @JvmName("snackbar2")
-fun View.snackbar(message: Int, @StringRes actionText: Int, action: (View) -> Unit) = Snackbar
+fun View.snackbar(
+    message: Int,
+    @StringRes actionText:
+    Int, action: (View) -> Unit
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_SHORT)
     .setAction(actionText, action)
     .apply { show() }
@@ -81,8 +97,11 @@ fun View.snackbar(message: Int, @StringRes actionText: Int, action: (View) -> Un
  * @param message the message text resource.
  */
 @JvmName("longSnackbar2")
-fun View.longSnackbar(@StringRes message: Int, @StringRes actionText: Int, action: (View) -> Unit) =
-    Snackbar
+fun View.longSnackbar(
+    @StringRes message: Int,
+    @StringRes actionText: Int,
+    action: (View) -> Unit
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_LONG)
     .setAction(actionText, action)
     .apply { show() }
@@ -93,8 +112,11 @@ fun View.longSnackbar(@StringRes message: Int, @StringRes actionText: Int, actio
  * @param message the message text resource.
  */
 @JvmName("indefiniteSnackbar2")
-fun View.indefiniteSnackbar(@StringRes message: Int, @StringRes actionText: Int, action: (View) -> Unit) =
-    Snackbar
+fun View.indefiniteSnackbar(
+    @StringRes message: Int,
+    @StringRes actionText: Int,
+    action: (View) -> Unit
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_INDEFINITE)
     .setAction(actionText, action)
     .apply { show() }
@@ -105,8 +127,11 @@ fun View.indefiniteSnackbar(@StringRes message: Int, @StringRes actionText: Int,
  * @param message the message text.
  */
 @JvmName("snackbar2")
-fun View.snackbar(message: CharSequence, actionText: CharSequence, action: (View) -> Unit) =
-    Snackbar
+fun View.snackbar(
+    message: CharSequence,
+    actionText: CharSequence,
+    action: (View) -> Unit
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_SHORT)
     .setAction(actionText, action)
     .apply { show() }
@@ -117,8 +142,11 @@ fun View.snackbar(message: CharSequence, actionText: CharSequence, action: (View
  * @param message the message text.
  */
 @JvmName("longSnackbar2")
-fun View.longSnackbar(message: CharSequence, actionText: CharSequence, action: (View) -> Unit) =
-    Snackbar
+fun View.longSnackbar(
+    message: CharSequence,
+    actionText: CharSequence,
+    action: (View) -> Unit
+) = Snackbar
     .make(this, message, Snackbar.LENGTH_LONG)
     .setAction(actionText, action)
     .apply { show() }