优化

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

@@ -60,10 +60,10 @@ class FileAdapter(context: Context, val callBack: CallBack) :
             data.add(fileParent)
         }
         currentPath?.let { currentPath ->
-            val files: Array<File?>? = FileUtils.listDirsAndFiles(currentPath)
+            val files: Array<File>? = FileUtils.listDirsAndFiles(currentPath)
             if (files != null) {
                 for (file in files) {
-                    if (file == null || (!callBack.isShowHideDir && file.name.startsWith("."))) {
+                    if (!callBack.isShowHideDir && file.name.startsWith(".")) {
                         continue
                     }
                     val fileItem = FileItem()

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

@@ -0,0 +1,283 @@
+package io.legado.app.utils
+
+import androidx.annotation.IdRes
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.constraintlayout.widget.ConstraintSet
+import androidx.transition.TransitionManager
+
+
+@Suppress("MemberVisibilityCanBePrivate", "unused")
+class ConstraintModify(private val constraintLayout: ConstraintLayout) {
+
+    private var begin: ConstraintBegin? = null
+    private val applyConstraintSet = ConstraintSet()
+    private val resetConstraintSet = ConstraintSet()
+
+    init {
+        resetConstraintSet.clone(constraintLayout)
+    }
+
+    /**
+     * 开始修改
+     */
+    fun begin(): ConstraintBegin {
+        synchronized(ConstraintBegin::class.java) {
+            if (begin == null) {
+                begin = ConstraintBegin(constraintLayout, applyConstraintSet)
+            }
+        }
+        applyConstraintSet.clone(constraintLayout)
+        return begin!!
+    }
+
+    /**
+     * 带动画的修改
+     * @return
+     */
+    fun beginWithAnim(): ConstraintBegin {
+        TransitionManager.beginDelayedTransition(constraintLayout)
+        return begin()
+    }
+
+    /**
+     * 重置
+     */
+    fun reSet() {
+        resetConstraintSet.applyTo(constraintLayout)
+    }
+
+    /**
+     * 带动画的重置
+     */
+    fun reSetWidthAnim() {
+        TransitionManager.beginDelayedTransition(constraintLayout)
+        resetConstraintSet.applyTo(constraintLayout)
+    }
+
+
+    @Suppress("unused", "MemberVisibilityCanBePrivate")
+    class ConstraintBegin(
+        private val constraintLayout: ConstraintLayout,
+        private val applyConstraintSet: ConstraintSet
+    ) {
+
+        /**
+         * 清除关系<br></br>
+         * 注意：这里不仅仅会清除关系，还会清除对应控件的宽高为 w:0,h:0
+         * @param viewIds
+         * @return
+         */
+        fun clear(@IdRes vararg viewIds: Int): ConstraintBegin {
+            for (viewId in viewIds) {
+                applyConstraintSet.clear(viewId)
+            }
+            return this
+        }
+
+        /**
+         * 清除某个控件的，某个关系
+         * @param viewId
+         * @param anchor
+         * @return
+         */
+        fun clear(viewId: Int, anchor: Int): ConstraintBegin {
+            applyConstraintSet.clear(viewId, anchor)
+            return this
+        }
+
+        fun setHorizontalWeight(viewId: Int, weight: Float): ConstraintBegin {
+            applyConstraintSet.setHorizontalWeight(viewId, weight)
+            return this
+        }
+
+        fun setVerticalWeight(viewId: Int, weight: Float): ConstraintBegin {
+            applyConstraintSet.setVerticalWeight(viewId, weight)
+            return this
+        }
+
+        /**
+         * 为某个控件设置 margin
+         * @param viewId 某个控件ID
+         * @param left marginLeft
+         * @param top   marginTop
+         * @param right marginRight
+         * @param bottom marginBottom
+         * @return
+         */
+        fun setMargin(
+            @IdRes viewId: Int,
+            left: Int,
+            top: Int,
+            right: Int,
+            bottom: Int
+        ): ConstraintBegin {
+            setMarginLeft(viewId, left)
+            setMarginTop(viewId, top)
+            setMarginRight(viewId, right)
+            setMarginBottom(viewId, bottom)
+            return this
+        }
+
+        /**
+         * 为某个控件设置 marginLeft
+         * @param viewId 某个控件ID
+         * @param left marginLeft
+         * @return
+         */
+        fun setMarginLeft(@IdRes viewId: Int, left: Int): ConstraintBegin {
+            applyConstraintSet.setMargin(viewId, ConstraintSet.LEFT, left)
+            return this
+        }
+
+        /**
+         * 为某个控件设置 marginRight
+         * @param viewId 某个控件ID
+         * @param right marginRight
+         * @return
+         */
+        fun setMarginRight(@IdRes viewId: Int, right: Int): ConstraintBegin {
+            applyConstraintSet.setMargin(viewId, ConstraintSet.RIGHT, right)
+            return this
+        }
+
+        /**
+         * 为某个控件设置 marginTop
+         * @param viewId 某个控件ID
+         * @param top marginTop
+         * @return
+         */
+        fun setMarginTop(@IdRes viewId: Int, top: Int): ConstraintBegin {
+            applyConstraintSet.setMargin(viewId, ConstraintSet.TOP, top)
+            return this
+        }
+
+        /**
+         * 为某个控件设置marginBottom
+         * @param viewId 某个控件ID
+         * @param bottom marginBottom
+         * @return
+         */
+        fun setMarginBottom(@IdRes viewId: Int, bottom: Int): ConstraintBegin {
+            applyConstraintSet.setMargin(viewId, ConstraintSet.BOTTOM, bottom)
+            return this
+        }
+
+        /**
+         * 为某个控件设置关联关系 left_to_left_of
+         * @param startId
+         * @param endId
+         * @return
+         */
+        fun leftToLeftOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
+            applyConstraintSet.connect(startId, ConstraintSet.LEFT, endId, ConstraintSet.LEFT)
+            return this
+        }
+
+        /**
+         * 为某个控件设置关联关系 left_to_right_of
+         * @param startId
+         * @param endId
+         * @return
+         */
+        fun leftToRightOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
+            applyConstraintSet.connect(startId, ConstraintSet.LEFT, endId, ConstraintSet.RIGHT)
+            return this
+        }
+
+        /**
+         * 为某个控件设置关联关系 top_to_top_of
+         * @param startId
+         * @param endId
+         * @return
+         */
+        fun topToTopOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
+            applyConstraintSet.connect(startId, ConstraintSet.TOP, endId, ConstraintSet.TOP)
+            return this
+        }
+
+        /**
+         * 为某个控件设置关联关系 top_to_bottom_of
+         * @param startId
+         * @param endId
+         * @return
+         */
+        fun topToBottomOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
+            applyConstraintSet.connect(startId, ConstraintSet.TOP, endId, ConstraintSet.BOTTOM)
+            return this
+        }
+
+        /**
+         * 为某个控件设置关联关系 right_to_left_of
+         * @param startId
+         * @param endId
+         * @return
+         */
+        fun rightToLeftOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
+            applyConstraintSet.connect(startId, ConstraintSet.RIGHT, endId, ConstraintSet.LEFT)
+            return this
+        }
+
+        /**
+         * 为某个控件设置关联关系 right_to_right_of
+         * @param startId
+         * @param endId
+         * @return
+         */
+        fun rightToRightOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
+            applyConstraintSet.connect(startId, ConstraintSet.RIGHT, endId, ConstraintSet.RIGHT)
+            return this
+        }
+
+        /**
+         * 为某个控件设置关联关系 bottom_to_bottom_of
+         * @param startId
+         * @param endId
+         * @return
+         */
+        fun bottomToBottomOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
+            applyConstraintSet.connect(startId, ConstraintSet.BOTTOM, endId, ConstraintSet.BOTTOM)
+            return this
+        }
+
+        /**
+         * 为某个控件设置关联关系 bottom_to_top_of
+         * @param startId
+         * @param endId
+         * @return
+         */
+        fun bottomToTopOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
+            applyConstraintSet.connect(startId, ConstraintSet.BOTTOM, endId, ConstraintSet.TOP)
+            return this
+        }
+
+        /**
+         * 为某个控件设置宽度
+         * @param viewId
+         * @param width
+         * @return
+         */
+        fun setWidth(@IdRes viewId: Int, width: Int): ConstraintBegin {
+            applyConstraintSet.constrainWidth(viewId, width)
+            return this
+        }
+
+        /**
+         * 某个控件设置高度
+         * @param viewId
+         * @param height
+         * @return
+         */
+        fun setHeight(@IdRes viewId: Int, height: Int): ConstraintBegin {
+            applyConstraintSet.constrainHeight(viewId, height)
+            return this
+        }
+
+        /**
+         * 提交应用生效
+         */
+        fun commit() {
+            applyConstraintSet.applyTo(constraintLayout)
+        }
+    }
+
+}

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

@@ -1,282 +0,0 @@
-package io.legado.app.utils
-
-import androidx.annotation.IdRes
-import androidx.constraintlayout.widget.ConstraintLayout
-import androidx.constraintlayout.widget.ConstraintSet
-import androidx.transition.TransitionManager
-
-
-@Suppress("MemberVisibilityCanBePrivate", "unused")
-class ConstraintUtil(private val constraintLayout: ConstraintLayout) {
-
-    private var begin: ConstraintBegin? = null
-    private val applyConstraintSet = ConstraintSet()
-    private val resetConstraintSet = ConstraintSet()
-
-    init {
-        resetConstraintSet.clone(constraintLayout)
-    }
-
-    /**
-     * 开始修改
-     */
-    fun begin(): ConstraintBegin {
-        synchronized(ConstraintBegin::class.java) {
-            if (begin == null) {
-                begin = ConstraintBegin(constraintLayout, applyConstraintSet)
-            }
-        }
-        applyConstraintSet.clone(constraintLayout)
-        return begin!!
-    }
-
-    /**
-     * 带动画的修改
-     * @return
-     */
-    fun beginWithAnim(): ConstraintBegin? {
-        TransitionManager.beginDelayedTransition(constraintLayout)
-        return begin()
-    }
-
-    /**
-     * 重置
-     */
-    fun reSet() {
-        resetConstraintSet.applyTo(constraintLayout)
-    }
-
-    /**
-     * 带动画的重置
-     */
-    fun reSetWidthAnim() {
-        TransitionManager.beginDelayedTransition(constraintLayout)
-        resetConstraintSet.applyTo(constraintLayout)
-    }
-
-}
-
-@Suppress("unused", "MemberVisibilityCanBePrivate")
-class ConstraintBegin(
-    private val constraintLayout: ConstraintLayout,
-    private val applyConstraintSet: ConstraintSet
-) {
-
-    /**
-     * 清除关系<br></br>
-     * 注意：这里不仅仅会清除关系，还会清除对应控件的宽高为 w:0,h:0
-     * @param viewIds
-     * @return
-     */
-    fun clear(@IdRes vararg viewIds: Int): ConstraintBegin {
-        for (viewId in viewIds) {
-            applyConstraintSet.clear(viewId)
-        }
-        return this
-    }
-
-    /**
-     * 清除某个控件的，某个关系
-     * @param viewId
-     * @param anchor
-     * @return
-     */
-    fun clear(viewId: Int, anchor: Int): ConstraintBegin {
-        applyConstraintSet.clear(viewId, anchor)
-        return this
-    }
-
-    fun setHorizontalWeight(viewId: Int, weight: Float): ConstraintBegin {
-        applyConstraintSet.setHorizontalWeight(viewId, weight)
-        return this
-    }
-
-    fun setVerticalWeight(viewId: Int, weight: Float): ConstraintBegin {
-        applyConstraintSet.setVerticalWeight(viewId, weight)
-        return this
-    }
-
-    /**
-     * 为某个控件设置 margin
-     * @param viewId 某个控件ID
-     * @param left marginLeft
-     * @param top   marginTop
-     * @param right marginRight
-     * @param bottom marginBottom
-     * @return
-     */
-    fun setMargin(
-        @IdRes viewId: Int,
-        left: Int,
-        top: Int,
-        right: Int,
-        bottom: Int
-    ): ConstraintBegin {
-        setMarginLeft(viewId, left)
-        setMarginTop(viewId, top)
-        setMarginRight(viewId, right)
-        setMarginBottom(viewId, bottom)
-        return this
-    }
-
-    /**
-     * 为某个控件设置 marginLeft
-     * @param viewId 某个控件ID
-     * @param left marginLeft
-     * @return
-     */
-    fun setMarginLeft(@IdRes viewId: Int, left: Int): ConstraintBegin {
-        applyConstraintSet.setMargin(viewId, ConstraintSet.LEFT, left)
-        return this
-    }
-
-    /**
-     * 为某个控件设置 marginRight
-     * @param viewId 某个控件ID
-     * @param right marginRight
-     * @return
-     */
-    fun setMarginRight(@IdRes viewId: Int, right: Int): ConstraintBegin {
-        applyConstraintSet.setMargin(viewId, ConstraintSet.RIGHT, right)
-        return this
-    }
-
-    /**
-     * 为某个控件设置 marginTop
-     * @param viewId 某个控件ID
-     * @param top marginTop
-     * @return
-     */
-    fun setMarginTop(@IdRes viewId: Int, top: Int): ConstraintBegin {
-        applyConstraintSet.setMargin(viewId, ConstraintSet.TOP, top)
-        return this
-    }
-
-    /**
-     * 为某个控件设置marginBottom
-     * @param viewId 某个控件ID
-     * @param bottom marginBottom
-     * @return
-     */
-    fun setMarginBottom(@IdRes viewId: Int, bottom: Int): ConstraintBegin {
-        applyConstraintSet.setMargin(viewId, ConstraintSet.BOTTOM, bottom)
-        return this
-    }
-
-    /**
-     * 为某个控件设置关联关系 left_to_left_of
-     * @param startId
-     * @param endId
-     * @return
-     */
-    fun leftToLeftOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
-        applyConstraintSet.connect(startId, ConstraintSet.LEFT, endId, ConstraintSet.LEFT)
-        return this
-    }
-
-    /**
-     * 为某个控件设置关联关系 left_to_right_of
-     * @param startId
-     * @param endId
-     * @return
-     */
-    fun leftToRightOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
-        applyConstraintSet.connect(startId, ConstraintSet.LEFT, endId, ConstraintSet.RIGHT)
-        return this
-    }
-
-    /**
-     * 为某个控件设置关联关系 top_to_top_of
-     * @param startId
-     * @param endId
-     * @return
-     */
-    fun topToTopOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
-        applyConstraintSet.connect(startId, ConstraintSet.TOP, endId, ConstraintSet.TOP)
-        return this
-    }
-
-    /**
-     * 为某个控件设置关联关系 top_to_bottom_of
-     * @param startId
-     * @param endId
-     * @return
-     */
-    fun topToBottomOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
-        applyConstraintSet.connect(startId, ConstraintSet.TOP, endId, ConstraintSet.BOTTOM)
-        return this
-    }
-
-    /**
-     * 为某个控件设置关联关系 right_to_left_of
-     * @param startId
-     * @param endId
-     * @return
-     */
-    fun rightToLeftOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
-        applyConstraintSet.connect(startId, ConstraintSet.RIGHT, endId, ConstraintSet.LEFT)
-        return this
-    }
-
-    /**
-     * 为某个控件设置关联关系 right_to_right_of
-     * @param startId
-     * @param endId
-     * @return
-     */
-    fun rightToRightOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
-        applyConstraintSet.connect(startId, ConstraintSet.RIGHT, endId, ConstraintSet.RIGHT)
-        return this
-    }
-
-    /**
-     * 为某个控件设置关联关系 bottom_to_bottom_of
-     * @param startId
-     * @param endId
-     * @return
-     */
-    fun bottomToBottomOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
-        applyConstraintSet.connect(startId, ConstraintSet.BOTTOM, endId, ConstraintSet.BOTTOM)
-        return this
-    }
-
-    /**
-     * 为某个控件设置关联关系 bottom_to_top_of
-     * @param startId
-     * @param endId
-     * @return
-     */
-    fun bottomToTopOf(@IdRes startId: Int, @IdRes endId: Int): ConstraintBegin {
-        applyConstraintSet.connect(startId, ConstraintSet.BOTTOM, endId, ConstraintSet.TOP)
-        return this
-    }
-
-    /**
-     * 为某个控件设置宽度
-     * @param viewId
-     * @param width
-     * @return
-     */
-    fun setWidth(@IdRes viewId: Int, width: Int): ConstraintBegin {
-        applyConstraintSet.constrainWidth(viewId, width)
-        return this
-    }
-
-    /**
-     * 某个控件设置高度
-     * @param viewId
-     * @param height
-     * @return
-     */
-    fun setHeight(@IdRes viewId: Int, height: Int): ConstraintBegin {
-        applyConstraintSet.constrainHeight(viewId, height)
-        return this
-    }
-
-    /**
-     * 提交应用生效
-     */
-    fun commit() {
-        applyConstraintSet.applyTo(constraintLayout)
-    }
-}

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

@@ -162,20 +162,19 @@ object FileUtils {
     fun listDirs(
         startDirPath: String,
         excludeDirs: Array<String>? = null, @SortType sortType: Int = BY_NAME_ASC
-    ): Array<File?> {
+    ): Array<File> {
         var excludeDirs1 = excludeDirs
         val dirList = ArrayList<File>()
         val startDir = File(startDirPath)
         if (!startDir.isDirectory) {
-            return arrayOfNulls(0)
+            return arrayOf()
         }
         val dirs = startDir.listFiles(FileFilter { f ->
             if (f == null) {
                 return@FileFilter false
             }
             f.isDirectory
-        })
+        }) ?: return arrayOf()
-            ?: return arrayOfNulls(0)
         if (excludeDirs1 == null) {
             excludeDirs1 = arrayOf()
         }
@@ -217,22 +216,18 @@ object FileUtils {
     fun listDirsAndFiles(
         startDirPath: String,
         allowExtensions: Array<String>? = null
-    ): Array<File?>? {
+    ): Array<File>? {
-        val dirs: Array<File?>?
+        val dirs: Array<File>?
-        val files: Array<File?>? = if (allowExtensions == null) {
+        val files: Array<File>? = if (allowExtensions == null) {
             listFiles(startDirPath)
         } else {
             listFiles(startDirPath, allowExtensions)
         }
-        val dirsAndFiles: Array<File?>
         dirs = listDirs(startDirPath)
         if (files == null) {
             return null
         }
-        dirsAndFiles = arrayOfNulls(dirs.size + files.size)
+        return dirs + files
-        System.arraycopy(dirs, 0, dirsAndFiles, 0, dirs.size)
-        System.arraycopy(files, 0, dirsAndFiles, dirs.size, files.size)
-        return dirsAndFiles
     }
 
     /**
@@ -242,11 +237,11 @@ object FileUtils {
     fun listFiles(
         startDirPath: String,
         filterPattern: Pattern? = null, @SortType sortType: Int = BY_NAME_ASC
-    ): Array<File?> {
+    ): Array<File> {
         val fileList = ArrayList<File>()
         val f = File(startDirPath)
         if (!f.isDirectory) {
-            return arrayOfNulls(0)
+            return arrayOf()
         }
         val files = f.listFiles(FileFilter { file ->
             if (file == null) {
@@ -258,7 +253,7 @@ object FileUtils {
 
             filterPattern?.matcher(file.name)?.find() ?: true
         })
-            ?: return arrayOfNulls(0)
+            ?: return arrayOf()
         for (file in files) {
             fileList.add(file.absoluteFile)
         }
@@ -290,7 +285,7 @@ object FileUtils {
     /**
      * 列出指定目录下的所有文件
      */
-    fun listFiles(startDirPath: String, allowExtensions: Array<String>?): Array<File?>? {
+    fun listFiles(startDirPath: String, allowExtensions: Array<String>?): Array<File>? {
         val file = File(startDirPath)
         return file.listFiles { _, name ->
             //返回当前目录所有以某些扩展名结尾的文件
@@ -303,7 +298,7 @@ object FileUtils {
     /**
      * 列出指定目录下的所有文件
      */
-    fun listFiles(startDirPath: String, allowExtension: String?): Array<File?>? {
+    fun listFiles(startDirPath: String, allowExtension: String?): Array<File>? {
         return if (allowExtension == null)
             listFiles(startDirPath, allowExtension = null)
         else

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

@@ -4,6 +4,7 @@ import io.legado.app.model.analyzeRule.AnalyzeUrl
 import java.net.URL
 import java.util.regex.Pattern
 
+@Suppress("RegExpRedundantEscape")
 object HtmlFormatter {
     private val wrapHtmlRegex = "</?(?:div|p|br|hr|h\\d|article|dd|dl)[^>]*>".toRegex()
     private val commentRegex = "<!--[^>]*-->".toRegex() //注释

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

@@ -1,3 +1,5 @@
+@file:Suppress("unused")
+
 package io.legado.app.utils
 
 import android.graphics.PorterDuff

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

@@ -9,7 +9,7 @@ import java.util.zip.ZipEntry
 import java.util.zip.ZipFile
 import java.util.zip.ZipOutputStream
 
-@Suppress("unused", "BlockingMethodInNonBlockingContext")
+@Suppress("unused", "BlockingMethodInNonBlockingContext", "MemberVisibilityCanBePrivate")
 object ZipUtils {
 
     /**