优化

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

@@ -216,7 +216,7 @@ object BookController {
             if (book.isUmd()) UmdFile.upBookInfo(book)
             appDb.bookDao.insert(book)
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             return returnData.setErrorMsg(
                 e.localizedMessage ?: appCtx.getString(R.string.unknown_error)
             )

app/src/main/java/io/legado/app/constant/AppLog.kt

@@ -1,24 +1,16 @@
 package io.legado.app.constant
 
-import android.annotation.SuppressLint
-import java.text.SimpleDateFormat
-import java.util.*
-
 object AppLog {
 
-    @SuppressLint("ConstantLocale")
+    val logs = arrayListOf<Triple<Long, String, Throwable?>>()
-    private val logTimeFormat = SimpleDateFormat("[mm:ss.SSS]", Locale.getDefault())
-
-    val logs = arrayListOf<String>()
 
-    fun addLog(log: String?) {
+    @Synchronized
-        log ?: return
+    fun addLog(message: String?, throwable: Throwable?) {
-        synchronized(logs) {
+        message ?: return
         if (logs.size > 1000) {
             logs.removeLastOrNull()
         }
-            logs.add(0, logTimeFormat.format(Date()) + " " + log)
+        logs.add(0, Triple(System.currentTimeMillis(), message, throwable))
-        }
     }
 
 }

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

@@ -10,6 +10,7 @@ import io.legado.app.help.http.CookieStore
 import io.legado.app.utils.EncoderUtils
 import io.legado.app.utils.GSON
 import io.legado.app.utils.fromJsonObject
+import io.legado.app.utils.printOnDebug
 import javax.script.SimpleBindings
 
 /**
@@ -95,7 +96,7 @@ interface BaseSource : JsExtensions {
                 ?: return null
             return String(decodeBytes)
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             return null
         }
     }
@@ -115,7 +116,7 @@ interface BaseSource : JsExtensions {
             CacheManager.put("userInfo_${getStoreUrl()}", encodeStr)
             true
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             false
         }
     }

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

@@ -91,7 +91,7 @@ data class BookSource(
                     }
                 }
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
                 kinds.add(ExploreKind(it.localizedMessage ?: ""))
             }
         }

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

@@ -126,7 +126,7 @@ object BookHelp {
                 ).writeBytes(it)
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         } finally {
             downloadImages.remove(src)
         }

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

@@ -140,7 +140,7 @@ object BookSourceAnalyzer {
                 }
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return source
     }

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

@@ -45,7 +45,7 @@ interface JsExtensions {
                 val analyzeUrl = AnalyzeUrl(urlStr, source = getSource())
                 analyzeUrl.getStrResponse().body
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
             }.getOrElse {
                 it.msg
             }
@@ -80,7 +80,7 @@ interface JsExtensions {
             kotlin.runCatching {
                 analyzeUrl.getStrResponse()
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
             }.getOrElse {
                 StrResponse(analyzeUrl.url, it.localizedMessage)
             }
@@ -94,7 +94,7 @@ interface JsExtensions {
             kotlin.runCatching {
                 analyzeUrl.getStrResponse()
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
             }.getOrElse {
                 StrResponse(analyzeUrl.url, it.localizedMessage)
             }
@@ -480,7 +480,7 @@ interface JsExtensions {
                 iv.encodeToByteArray()
             )
         } catch (e: java.lang.Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             log(e.localizedMessage ?: "aesDecodeToByteArrayERROR")
             null
         }
@@ -519,7 +519,7 @@ interface JsExtensions {
                 iv.encodeToByteArray()
             )
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             log(e.localizedMessage ?: "aesDecodeToByteArrayERROR")
             null
         }
@@ -557,7 +557,7 @@ interface JsExtensions {
                 iv.encodeToByteArray()
             )
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             log(e.localizedMessage ?: "aesEncodeToByteArrayERROR")
             null
         }
@@ -594,7 +594,7 @@ interface JsExtensions {
                 iv.encodeToByteArray()
             )
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             log(e.localizedMessage ?: "aesEncodeToBase64ByteArrayERROR")
             null
         }

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

@@ -61,7 +61,7 @@ object ReadBookConfig {
                 val json = configFile.readText()
                 configs = GSON.fromJsonArray(json)
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
         }
         (configs ?: DefaultData.readConfigs).let {
@@ -78,7 +78,7 @@ object ReadBookConfig {
                 val json = configFile.readText()
                 c = GSON.fromJsonObject(json)
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
         }
         shareConfig = c ?: configList.getOrNull(5) ?: Config()
@@ -570,7 +570,7 @@ object ReadBookConfig {
                     )
                 }
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
             return bgDrawable ?: ColorDrawable(appCtx.getCompatColor(R.color.background))
         }

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

@@ -108,7 +108,7 @@ object ThemeConfig {
                 val json = configFile.readText()
                 return GSON.fromJsonArray(json)
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
             }
         }
         return null

app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt

@@ -1,6 +1,7 @@
 package io.legado.app.help.coroutine
 
 import io.legado.app.BuildConfig
+import io.legado.app.utils.printOnDebug
 import kotlinx.coroutines.*
 import kotlin.coroutines.CoroutineContext
 
@@ -143,7 +144,7 @@ class Coroutine<T>(
                 }
             } catch (e: Throwable) {
                 if (BuildConfig.DEBUG) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
                 val consume: Boolean = errorReturn?.value?.let { value ->
                     if (isActive) {

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

@@ -1,6 +1,7 @@
 package io.legado.app.help.http
 
 import android.annotation.SuppressLint
+import io.legado.app.utils.printOnDebug
 import java.io.IOException
 import java.io.InputStream
 import java.security.KeyManagementException
@@ -125,9 +126,9 @@ object SSLHelper {
             sslParams.trustManager = manager
             return sslParams
         } catch (e: NoSuchAlgorithmException) {
-            e.printStackTrace()
+            e.printOnDebug()
         } catch (e: KeyManagementException) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return null
     }
@@ -141,7 +142,7 @@ object SSLHelper {
             kmf.init(clientKeyStore, password.toCharArray())
             return kmf.keyManagers
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return null
     }
@@ -160,7 +161,7 @@ object SSLHelper {
             try {
                 certStream.close()
             } catch (e: IOException) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
         }
         //我们创建一个默认类型的TrustManagerFactory

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

@@ -10,6 +10,7 @@ import com.google.android.gms.net.CronetProviderInstaller
 import io.legado.app.BuildConfig
 import io.legado.app.help.AppConfig
 import io.legado.app.help.coroutine.Coroutine
+import io.legado.app.utils.printOnDebug
 import org.chromium.net.CronetEngine
 import org.json.JSONObject
 import splitties.init.appCtx
@@ -163,7 +164,7 @@ object CronetLoader : CronetEngine.Builder.LibraryLoader() {
             abiField.isAccessible = true
             cpuAbi = abiField.get(appInfo) as String?
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         if (TextUtils.isEmpty(cpuAbi)) {
             cpuAbi = Build.SUPPORTED_ABIS[0]
@@ -214,7 +215,7 @@ object CronetLoader : CronetEngine.Builder.LibraryLoader() {
             }
             return true
         } catch (e: Throwable) {
-            e.printStackTrace()
+            e.printOnDebug()
             if (destFile.exists() && !destFile.delete()) {
                 destFile.deleteOnExit()
             }
@@ -223,14 +224,14 @@ object CronetLoader : CronetEngine.Builder.LibraryLoader() {
                 try {
                     inputStream.close()
                 } catch (e: IOException) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
             if (outputStream != null) {
                 try {
                     outputStream.close()
                 } catch (e: IOException) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
         }
@@ -303,20 +304,20 @@ object CronetLoader : CronetEngine.Builder.LibraryLoader() {
             }
             return true
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         } finally {
             if (fileInputStream != null) {
                 try {
                     fileInputStream.close()
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
             if (os != null) {
                 try {
                     os.close()
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
         }
@@ -338,15 +339,15 @@ object CronetLoader : CronetEngine.Builder.LibraryLoader() {
             }
             return String.format("%032x", BigInteger(1, md5.digest())).lowercase()
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         } catch (e: OutOfMemoryError) {
-            e.printStackTrace()
+            e.printOnDebug()
         } finally {
             if (fileInputStream != null) {
                 try {
                     fileInputStream.close()
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
         }

app/src/main/java/io/legado/app/help/storage/Preferences.kt

@@ -4,6 +4,7 @@ import android.app.Activity
 import android.content.Context
 import android.content.ContextWrapper
 import android.content.SharedPreferences
+import io.legado.app.utils.printOnDebug
 import java.io.File
 
 object Preferences {
@@ -36,11 +37,11 @@ object Preferences {
             // 返回修改路径以后的 SharedPreferences :%FILE_PATH%/%fileName%.xml
             return context.getSharedPreferences(fileName, Activity.MODE_PRIVATE)
         } catch (e: NoSuchFieldException) {
-            e.printStackTrace()
+            e.printOnDebug()
         } catch (e: IllegalArgumentException) {
-            e.printStackTrace()
+            e.printOnDebug()
         } catch (e: IllegalAccessException) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return null
     }

app/src/main/java/io/legado/app/help/storage/Restore.kt

@@ -94,7 +94,7 @@ object Restore {
                         }
                     }
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
         }
@@ -169,7 +169,7 @@ object Restore {
                     ThemeConfig.upConfig()
                 }
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
             if (!ignoreReadConfig) {
                 try {
@@ -181,7 +181,7 @@ object Restore {
                         ReadBookConfig.initConfigs()
                     }
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
                 try {
                     val file =
@@ -192,7 +192,7 @@ object Restore {
                         ReadBookConfig.initShareConfig()
                     }
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
             Preferences.getSharedPreferences(appCtx, path, "config")?.all?.let { map ->
@@ -267,7 +267,7 @@ object Restore {
             val json = file.readText()
             return GSON.fromJsonArray(json)
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return null
     }

app/src/main/java/io/legado/app/lib/webdav/WebDav.kt

@@ -3,6 +3,7 @@ package io.legado.app.lib.webdav
 import io.legado.app.help.http.newCall
 import io.legado.app.help.http.okHttpClient
 import io.legado.app.help.http.text
+import io.legado.app.utils.printOnDebug
 import okhttp3.*
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.RequestBody.Companion.asRequestBody
@@ -101,7 +102,7 @@ class WebDav(urlStr: String) {
                     method("PROPFIND", requestBody)
                 }.text()
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
             }.getOrNull()
         }
         return null
@@ -133,7 +134,7 @@ class WebDav(urlStr: String) {
                         }
                         list.add(webDavFile)
                     } catch (e: MalformedURLException) {
-                        e.printStackTrace()
+                        e.printOnDebug()
                     }
                 }
             }

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

@@ -12,6 +12,7 @@ import io.legado.app.help.BookHelp
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.service.CacheBookService
 import io.legado.app.utils.postEvent
+import io.legado.app.utils.printOnDebug
 import io.legado.app.utils.startService
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.delay
@@ -169,7 +170,11 @@ class CacheBook(var bookSource: BookSource, var book: Book) {
         if (errorDownloadMap[index] ?: 0 < 3) {
             waitDownloadSet.add(index)
         } else {
-            AppLog.addLog("${book.name}-${chapterTitle} ${error.localizedMessage}")
+            AppLog.addLog(
+                "download ${book.name}-${chapterTitle} error:${error.localizedMessage}",
+                error
+            )
+            error.printOnDebug()
         }
     }
 

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

@@ -14,6 +14,7 @@ import io.legado.app.ui.book.read.page.entities.TextChapter
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.ui.book.read.page.provider.ImageProvider
 import io.legado.app.utils.msg
+import io.legado.app.utils.printOnDebug
 import io.legado.app.utils.toastOnUi
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers.IO
@@ -365,7 +366,7 @@ object ReadBook : CoroutineScope by MainScope() {
                 }
             }
         }.onError {
-            it.printStackTrace()
+            it.printOnDebug()
             appCtx.toastOnUi("ChapterProvider ERROR:\n${it.msg}")
         }.onSuccess {
             success?.invoke()

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

@@ -3,6 +3,7 @@ package io.legado.app.model.analyzeRule
 import androidx.annotation.Keep
 import com.jayway.jsonpath.JsonPath
 import com.jayway.jsonpath.ReadContext
+import io.legado.app.utils.printOnDebug
 import java.util.*
 
 @Suppress("RegExpRedundantEscape")
@@ -155,7 +156,7 @@ class AnalyzeByJSonPath(json: Any) {
                 try {
                     return it.read<ArrayList<Any>>(rules[0])
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
             return null

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

@@ -1,6 +1,7 @@
 package io.legado.app.model.analyzeRule
 
 import androidx.annotation.Keep
+import io.legado.app.utils.printOnDebug
 import org.jsoup.Jsoup
 import org.jsoup.nodes.Element
 import org.jsoup.select.Collector
@@ -254,7 +255,7 @@ class AnalyzeByJSoup(doc: Any) {
                 }
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
 
         return textS

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

@@ -653,7 +653,7 @@ class AnalyzeRule(
                 val analyzeUrl = AnalyzeUrl(urlStr, book = book, source = source)
                 analyzeUrl.getStrResponse().body
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
             }.getOrElse {
                 it.msg
             }

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

@@ -6,10 +6,7 @@ import android.text.TextUtils
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.help.BookHelp
-import io.legado.app.utils.FileUtils
+import io.legado.app.utils.*
-import io.legado.app.utils.HtmlFormatter
-import io.legado.app.utils.MD5Utils
-import io.legado.app.utils.externalFiles
 import me.ag2s.epublib.domain.EpubBook
 import me.ag2s.epublib.epub.EpubReader
 import org.jsoup.Jsoup
@@ -97,7 +94,7 @@ class EpubFile(var book: Book) {
                 }
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
     }
 
@@ -111,7 +108,7 @@ class EpubFile(var book: Book) {
 
 
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return null
     }
@@ -208,7 +205,7 @@ class EpubFile(var book: Book) {
                         title = elements[0].text()
                     }
                 } catch (e: IOException) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
             }
             val chapter = BookChapter()

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

@@ -4,10 +4,7 @@ import android.net.Uri
 import android.util.Log
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
-import io.legado.app.utils.FileUtils
+import io.legado.app.utils.*
-import io.legado.app.utils.MD5Utils
-import io.legado.app.utils.externalFiles
-import io.legado.app.utils.isContentScheme
 import me.ag2s.umdlib.domain.UmdBook
 import me.ag2s.umdlib.umd.UmdReader
 import splitties.init.appCtx
@@ -82,7 +79,7 @@ class UmdFile(var book: Book) {
                 }
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
     }
 

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

@@ -137,7 +137,7 @@ class AudioPlayService : BaseService(),
                 exoPlayer.playWhenReady = true
                 exoPlayer.prepare()
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
                 toastOnUi("$url ${it.localizedMessage}")
                 stopSelf()
             }
@@ -158,7 +158,7 @@ class AudioPlayService : BaseService(),
             postEvent(EventBus.AUDIO_STATE, Status.PAUSE)
             upNotification()
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
     }
 
@@ -177,7 +177,7 @@ class AudioPlayService : BaseService(),
             postEvent(EventBus.AUDIO_STATE, Status.PLAY)
             upNotification()
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             stopSelf()
         }
     }
@@ -246,7 +246,7 @@ class AudioPlayService : BaseService(),
         super.onPlayerError(error)
         AudioPlay.status = Status.STOP
         postEvent(EventBus.AUDIO_STATE, Status.STOP)
-        error.printStackTrace()
+        error.printOnDebug()
     }
 
     override fun onPlayerErrorChanged(error: PlaybackException?) {

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

@@ -148,7 +148,7 @@ class HttpReadAloudService : BaseReadAloudService(),
                 playingIndex = nowSpeak
                 postEvent(EventBus.TTS_PROGRESS, readAloudNumber + 1)
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
         }
     }

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

@@ -86,7 +86,7 @@ class WebService : BaseService() {
                 upNotification()
             } catch (e: IOException) {
                 toastOnUi(e.localizedMessage ?: "")
-                e.printStackTrace()
+                e.printOnDebug()
                 stopSelf()
             }
         } else {

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

@@ -7,6 +7,7 @@ import android.service.quicksettings.Tile
 import android.service.quicksettings.TileService
 import androidx.annotation.RequiresApi
 import io.legado.app.constant.IntentAction
+import io.legado.app.utils.printOnDebug
 import io.legado.app.utils.startService
 
 /**
@@ -44,7 +45,7 @@ class WebTileService : TileService() {
                 }
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return super.onStartCommand(intent, flags, startId)
     }

app/src/main/java/io/legado/app/ui/about/AppLogDialog.kt

@@ -0,0 +1,41 @@
+package io.legado.app.ui.about
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.FragmentManager
+import io.legado.app.R
+import io.legado.app.base.BaseDialogFragment
+import io.legado.app.utils.windowSize
+
+class AppLogDialog : BaseDialogFragment() {
+
+    companion object {
+        fun show(fragmentManager: FragmentManager) {
+            AppLogDialog().show(fragmentManager, "appLogDialog")
+        }
+    }
+
+    override fun onStart() {
+        super.onStart()
+        val dm = requireActivity().windowSize
+        dialog?.window?.setLayout(
+            (dm.widthPixels * 0.9).toInt(),
+            ViewGroup.LayoutParams.WRAP_CONTENT
+        )
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.dialog_book_group_edit, container)
+    }
+
+    override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
+
+    }
+
+}

app/src/main/java/io/legado/app/ui/about/DonateFragment.kt

@@ -7,10 +7,7 @@ import android.view.View
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import io.legado.app.R
-import io.legado.app.utils.ACache
+import io.legado.app.utils.*
-import io.legado.app.utils.longToastOnUi
-import io.legado.app.utils.openUrl
-import io.legado.app.utils.sendToClip
 
 class DonateFragment : PreferenceFragmentCompat() {
 
@@ -49,7 +46,7 @@ class DonateFragment : PreferenceFragmentCompat() {
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
             context.startActivity(intent)
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         } finally {
             ACache.get(requireContext(), cacheDir = false)
                 .put("proTime", System.currentTimeMillis())

app/src/main/java/io/legado/app/ui/association/FileAssociationViewModel.kt

@@ -7,6 +7,7 @@ import androidx.lifecycle.MutableLiveData
 import io.legado.app.base.BaseViewModel
 import io.legado.app.model.localBook.LocalBook
 import io.legado.app.utils.isJson
+import io.legado.app.utils.printOnDebug
 import io.legado.app.utils.readText
 import java.io.File
 
@@ -53,7 +54,7 @@ class FileAssociationViewModel(application: Application) : BaseViewModel(applica
                 onLineImportLive.postValue(uri)
             }
         }.onError {
-            it.printStackTrace()
+            it.printOnDebug()
             errorLiveData.postValue(it.localizedMessage)
         }
     }

app/src/main/java/io/legado/app/ui/association/ImportBookSourceViewModel.kt

@@ -117,7 +117,7 @@ class ImportBookSourceViewModel(app: Application) : BaseViewModel(app) {
                 else -> throw Exception(context.getString(R.string.wrong_format))
             }
         }.onError {
-            it.printStackTrace()
+            it.printOnDebug()
             errorLiveData.postValue(it.localizedMessage ?: "")
         }.onSuccess {
             comparisonSource()

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

@@ -11,7 +11,6 @@ import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.AppConst
 import io.legado.app.constant.AppConst.charsets
-import io.legado.app.constant.AppLog
 import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
@@ -26,8 +25,8 @@ import io.legado.app.lib.dialogs.SelectItem
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.dialogs.selector
 import io.legado.app.model.CacheBook
+import io.legado.app.ui.about.AppLogDialog
 import io.legado.app.ui.document.HandleFileContract
-import io.legado.app.ui.widget.dialog.TextListDialog
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.Dispatchers
@@ -136,8 +135,7 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
             R.id.menu_export_file_name -> alertExportFileName()
             R.id.menu_export_type -> showExportTypeConfig()
             R.id.menu_export_charset -> showCharsetConfig()
-            R.id.menu_log ->
+            R.id.menu_log -> AppLogDialog.show(supportFragmentManager)
-                TextListDialog.show(supportFragmentManager, getString(R.string.log), AppLog.logs)
             else -> if (item.groupId == R.id.menu_group) {
                 binding.titleBar.subtitle = item.title
                 groupId = appDb.bookGroupDao.getByName(item.title.toString())?.groupId ?: 0

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

@@ -56,7 +56,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
             }
         }.onError {
             finally(it.localizedMessage ?: "ERROR")
-            it.printStackTrace()
+            it.printOnDebug()
         }.onSuccess {
             finally(context.getString(R.string.success))
         }
@@ -187,7 +187,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
             }
         }.onError {
             finally(it.localizedMessage ?: "ERROR")
-            it.printStackTrace()
+            it.printOnDebug()
         }.onSuccess {
             finally(context.getString(R.string.success))
         }

app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt

@@ -17,6 +17,7 @@ import io.legado.app.help.coroutine.CompositeCoroutine
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.utils.getPrefBoolean
 import io.legado.app.utils.getPrefString
+import io.legado.app.utils.printOnDebug
 import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.IO
 import splitties.init.appCtx
@@ -184,7 +185,7 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
                     searchFinish(searchBook)
                 }
             }.onError {
-                it.printStackTrace()
+                it.printOnDebug()
             }
     }
 
@@ -197,7 +198,7 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
                     searchFinish(searchBook)
                 }
             }.onError {
-                it.printStackTrace()
+                it.printOnDebug()
             }
     }
 

app/src/main/java/io/legado/app/ui/book/explore/ExploreShowViewModel.kt

@@ -10,6 +10,7 @@ import io.legado.app.data.entities.BookSource
 import io.legado.app.data.entities.SearchBook
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.utils.msg
+import io.legado.app.utils.printOnDebug
 import kotlinx.coroutines.Dispatchers.IO
 
 class ExploreShowViewModel(application: Application) : BaseViewModel(application) {
@@ -42,7 +43,7 @@ class ExploreShowViewModel(application: Application) : BaseViewModel(application
                     appDb.searchBookDao.insert(*searchBooks.toTypedArray())
                     page++
                 }.onError {
-                    it.printStackTrace()
+                    it.printOnDebug()
                     errorLiveData.postValue(it.msg)
                 }
         }

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

@@ -149,7 +149,7 @@ class TextActionMenu(private val context: Context, private val callBack: CallBac
                     }
                     context.startActivity(intent)
                 }.onFailure {
-                    it.printStackTrace()
+                    it.printOnDebug()
                     context.toastOnUi(it.localizedMessage ?: "ERROR")
                 }
             }

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

@@ -282,7 +282,7 @@ class BgTextConfigDialog : BaseDialogFragment() {
         }.onSuccess {
             toastOnUi("导出成功, 文件名为 $exportFileName")
         }.onError {
-            it.printStackTrace()
+            it.printOnDebug()
             longToast("导出失败:${it.localizedMessage}")
         }
     }
@@ -319,7 +319,7 @@ class BgTextConfigDialog : BaseDialogFragment() {
             @Suppress("BlockingMethodInNonBlockingContext")
             importConfig(uri.readBytes(requireContext())!!)
         }.onError {
-            it.printStackTrace()
+            it.printOnDebug()
             longToast("导入失败:${it.localizedMessage}")
         }
     }
@@ -333,7 +333,7 @@ class BgTextConfigDialog : BaseDialogFragment() {
             postEvent(EventBus.UP_CONFIG, true)
             toastOnUi("导入成功")
         }.onError {
-            it.printStackTrace()
+            it.printOnDebug()
             longToast("导入失败:${it.localizedMessage}")
         }
     }

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

@@ -47,7 +47,7 @@ class BookSourceEditViewModel(application: Application) : BaseViewModel(applicat
             success?.invoke()
         }.onError {
             context.toastOnUi(it.localizedMessage)
-            it.printStackTrace()
+            it.printOnDebug()
         }
     }
 
@@ -61,7 +61,7 @@ class BookSourceEditViewModel(application: Application) : BaseViewModel(applicat
             }
         }.onError {
             context.toastOnUi(it.localizedMessage ?: "Error")
-            it.printStackTrace()
+            it.printOnDebug()
         }
     }
 

app/src/main/java/io/legado/app/ui/document/HandleFileViewModel.kt

@@ -8,6 +8,7 @@ import io.legado.app.base.BaseViewModel
 import io.legado.app.help.DirectLinkUpload
 import io.legado.app.utils.FileUtils
 import io.legado.app.utils.isContentScheme
+import io.legado.app.utils.printOnDebug
 import io.legado.app.utils.writeBytes
 import java.io.File
 
@@ -26,7 +27,7 @@ class HandleFileViewModel(application: Application) : BaseViewModel(application)
         }.onSuccess {
             success.invoke(it)
         }.onError {
-            it.printStackTrace()
+            it.printOnDebug()
             errorLiveData.postValue(it.localizedMessage)
         }
     }
@@ -46,7 +47,7 @@ class HandleFileViewModel(application: Application) : BaseViewModel(application)
                 Uri.fromFile(newFile)
             }
         }.onError {
-            it.printStackTrace()
+            it.printOnDebug()
             errorLiveData.postValue(it.localizedMessage)
         }.onSuccess {
             success.invoke(it)

app/src/main/java/io/legado/app/ui/login/RuleUiLoginDialog.kt

@@ -129,7 +129,7 @@ class RuleUiLoginDialog : BaseDialogFragment() {
                             dismiss()
                         }
                     } catch (e: Exception) {
-                        e.printStackTrace()
+                        e.printOnDebug()
                         toastOnUi("error:${e.localizedMessage}")
                     }
                 }

app/src/main/java/io/legado/app/ui/main/MainViewModel.kt

@@ -13,6 +13,7 @@ import io.legado.app.help.LocalConfig
 import io.legado.app.model.CacheBook
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.utils.postEvent
+import io.legado.app.utils.printOnDebug
 import kotlinx.coroutines.asCoroutineDispatcher
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.CopyOnWriteArraySet
@@ -89,7 +90,7 @@ class MainViewModel(application: Application) : BaseViewModel(application) {
                         )
                         CacheBook.start(context, book.bookUrl, book.durChapterIndex, endIndex)
                     }.onError(upTocPool) {
-                        it.printStackTrace()
+                        it.printOnDebug()
                     }.onFinally(upTocPool) {
                         synchronized(this) {
                             bookMap.remove(bookEntry.key)

app/src/main/java/io/legado/app/ui/rss/article/RssArticlesViewModel.kt

@@ -9,6 +9,7 @@ import io.legado.app.data.appDb
 import io.legado.app.data.entities.RssArticle
 import io.legado.app.data.entities.RssSource
 import io.legado.app.model.rss.Rss
+import io.legado.app.utils.printOnDebug
 import io.legado.app.utils.toastOnUi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
@@ -52,7 +53,7 @@ class RssArticlesViewModel(application: Application) : BaseViewModel(application
                 }
             }.onError {
                 loadFinally.postValue(false)
-                it.printStackTrace()
+                it.printOnDebug()
                 context.toastOnUi(it.localizedMessage)
             }
     }
@@ -68,7 +69,7 @@ class RssArticlesViewModel(application: Application) : BaseViewModel(application
                     loadMoreSuccess(it.first)
                 }
                 .onError {
-                    it.printStackTrace()
+                    it.printOnDebug()
                     loadFinally.postValue(false)
                 }
         } else {

app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt

@@ -38,7 +38,7 @@ class RssSourceEditViewModel(application: Application) : BaseViewModel(applicati
             success()
         }.onError {
             context.toastOnUi(it.localizedMessage)
-            it.printStackTrace()
+            it.printOnDebug()
         }
     }
 

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

@@ -15,6 +15,7 @@ import android.view.Gravity
 import android.widget.TextView
 import androidx.appcompat.widget.SearchView
 import io.legado.app.R
+import io.legado.app.utils.printOnDebug
 
 class SearchView @JvmOverloads constructor(
     context: Context,
@@ -42,7 +43,7 @@ class SearchView @JvmOverloads constructor(
             textView!!.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14f)
             textView!!.gravity = Gravity.CENTER_VERTICAL
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
     }
 

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

@@ -22,6 +22,7 @@ import android.graphics.Canvas
 import android.graphics.drawable.BitmapDrawable
 import android.view.View
 import android.widget.ImageView
+import io.legado.app.utils.printOnDebug
 import kotlin.math.roundToInt
 
 object Utils {
@@ -65,7 +66,7 @@ object Utils {
         try {
             return Bitmap.createBitmap(width, height, config)
         } catch (e: OutOfMemoryError) {
-            e.printStackTrace()
+            e.printOnDebug()
             if (retryCount > 0) {
                 System.gc()
                 return createBitmapSafely(width, height, config, retryCount - 1)

app/src/main/java/io/legado/app/ui/widget/font/FontAdapter.kt

@@ -41,7 +41,7 @@ class FontAdapter(context: Context, val callBack: CallBack) :
                 }
                 tvFont.typeface = typeface
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
                 context.toastOnUi("Read ${item.name} Error: ${it.localizedMessage}")
             }
             tvFont.text = item.name

app/src/main/java/io/legado/app/ui/widget/image/CircleImageView.kt

@@ -20,6 +20,7 @@ import androidx.annotation.RequiresApi
 import androidx.appcompat.widget.AppCompatImageView
 import io.legado.app.R
 import io.legado.app.utils.getCompatColor
+import io.legado.app.utils.printOnDebug
 import io.legado.app.utils.sp
 import kotlin.math.min
 import kotlin.math.pow
@@ -316,7 +317,7 @@ class CircleImageView @JvmOverloads constructor(
             drawable.draw(canvas)
             bitmap
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
             null
         }
 

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

@@ -74,7 +74,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
             }
             mCache = ACacheManager(cacheDir, max_size, max_count)
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
 
     }
@@ -96,7 +96,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                 file.writeText(value)
                 mCache.put(file)
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
         }
     }
@@ -131,7 +131,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                     removeFile = true
                 }
             } catch (e: IOException) {
-                e.printStackTrace()
+                e.printOnDebug()
             } finally {
                 if (removeFile)
                     remove(key)
@@ -269,7 +269,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                     null
                 }
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             } finally {
                 if (removeFile)
                     remove(key)
@@ -299,7 +299,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                 }
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
     }
 
@@ -318,18 +318,18 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                 ois = ObjectInputStream(bis)
                 return ois.readObject()
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             } finally {
                 try {
                     bis?.close()
                 } catch (e: IOException) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
 
                 try {
                     ois?.close()
                 } catch (e: IOException) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
 
             }
@@ -427,7 +427,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                     return f
                 }
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
         }
         return null
@@ -488,7 +488,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                     }
                 }
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
 
             return false
@@ -662,7 +662,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                         cacheCount.set(count)
                     }
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    e.printOnDebug()
                 }
 
 
@@ -693,7 +693,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                 file.setLastModified(currentTime)
                 lastUsageDates[file] = currentTime
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
 
         }
@@ -727,7 +727,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                     }
                 }
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
             }
 
         }
@@ -767,7 +767,7 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
                 }
                 return fileSize
             } catch (e: Exception) {
-                e.printStackTrace()
+                e.printOnDebug()
                 return 0
             }
 

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

@@ -157,7 +157,7 @@ val Context.sysScreenOffTime: Int
             screenOffTime =
                 Settings.System.getInt(contentResolver, Settings.System.SCREEN_OFF_TIMEOUT)
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return screenOffTime
     }
@@ -299,7 +299,7 @@ val Context.channel: String
             val appInfo = pm.getApplicationInfo(packageName, PackageManager.GET_META_DATA)
             return appInfo.metaData.getString("channel") ?: ""
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return ""
     }

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

@@ -130,7 +130,7 @@ object DocumentUtils {
                 }
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         } finally {
             c?.close()
         }

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

@@ -50,7 +50,7 @@ object FileUtils {
                 file.createNewFile()
             }
         } catch (e: IOException) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return file
     }
@@ -113,7 +113,7 @@ object FileUtils {
         try {
             sdCardDirectory = File(sdCardDirectory).canonicalPath
         } catch (ioe: IOException) {
-            ioe.printStackTrace()
+            ioe.printOnDebug()
         }
         return sdCardDirectory
     }

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

@@ -1,6 +1,9 @@
+@file:Suppress("unused")
+
 package io.legado.app.utils
 
 import android.annotation.SuppressLint
+import io.legado.app.BuildConfig
 import splitties.init.appCtx
 import java.text.SimpleDateFormat
 import java.util.*
@@ -8,7 +11,7 @@ import java.util.logging.*
 
 @Suppress("unused")
 object LogUtils {
-    const val TIME_PATTERN = "yyyy-MM-dd HH:mm:ss"
+    const val TIME_PATTERN = "yy-MM-dd HH:mm:ss.SSS"
 
     @JvmStatic
     fun d(tag: String, msg: String) {
@@ -65,3 +68,17 @@ object LogUtils {
         return sdf.format(date)
     }
 }
+
+fun Throwable.printOnDebug() {
+    if (BuildConfig.DEBUG) {
+        printStackTrace()
+    }
+}
+
+fun dLog(tag: String, msg: String) {
+    LogUtils.d(tag, msg)
+}
+
+fun eLog(tag: String, msg: String) {
+    LogUtils.e(tag, msg)
+}

app/src/main/java/io/legado/app/utils/MD5Utils.kt

@@ -25,7 +25,7 @@ object MD5Utils {
             }
             reStr = stringBuffer.toString()
         } catch (e: NoSuchAlgorithmException) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
 
         return reStr

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

@@ -114,7 +114,7 @@ object NetworkUtils {
             relativeUrl = parseUrl.toString()
             return relativeUrl
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return relativeUrl
     }
@@ -130,7 +130,7 @@ object NetworkUtils {
             relativeUrl = parseUrl.toString()
             return relativeUrl
         } catch (e: Exception) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
         return relativeUrl
     }
@@ -158,7 +158,7 @@ object NetworkUtils {
         try {
             enumeration = NetworkInterface.getNetworkInterfaces()
         } catch (e: SocketException) {
-            e.printStackTrace()
+            e.printOnDebug()
         }
 
         if (enumeration != null) {

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

@@ -111,7 +111,7 @@ object RealPathUtil {
                 return cursor.getString(index)
             }
         } catch (e: IllegalArgumentException) {
-            e.printStackTrace()
+            e.printOnDebug()
             val file = File(context.cacheDir, "tmp")
             val filePath = file.absolutePath
             var input: FileInputStream? = null
@@ -130,7 +130,7 @@ object RealPathUtil {
                 }
                 return File(filePath).absolutePath
             } catch (ignored: IOException) {
-                ignored.printStackTrace()
+                ignored.printOnDebug()
             } finally {
                 input?.close()
                 output?.close()

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

@@ -95,7 +95,7 @@ object StringUtils {
                 }
             }
         }.onFailure {
-            it.printStackTrace()
+            it.printOnDebug()
         }
 
         return ""

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

@@ -21,7 +21,7 @@ object SystemUtils {
                 Settings.System.SCREEN_OFF_TIMEOUT
             )
         }.onFailure {
-            it.printStackTrace()
+            it.printOnDebug()
         }
 
         return screenOffTime

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

@@ -41,7 +41,7 @@ fun AppCompatActivity.readUri(uri: Uri?, success: (name: String, bytes: ByteArra
                 .request()
         }
     } catch (e: Exception) {
-        e.printStackTrace()
+        e.printOnDebug()
         toastOnUi(e.localizedMessage ?: "read uri error")
     }
 }
@@ -75,7 +75,7 @@ fun Fragment.readUri(uri: Uri?, success: (name: String, bytes: ByteArray) -> Uni
                 .request()
         }
     } catch (e: Exception) {
-        e.printStackTrace()
+        e.printOnDebug()
         toastOnUi(e.localizedMessage ?: "read uri error")
     }
 }

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

@@ -110,6 +110,6 @@ fun PopupMenu.show(x: Int, y: Int) {
         field.isAccessible = true
         (field.get(this) as MenuPopupHelper).show(x, y)
     }.onFailure {
-        it.printStackTrace()
+        it.printOnDebug()
     }
 }

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

@@ -369,7 +369,7 @@ object ZipUtils {
         return try {
             file.createNewFile()
         } catch (e: IOException) {
-            e.printStackTrace()
+            e.printOnDebug()
             false
         }
     }

app/src/main/java/io/legado/app/web/SourceDebugWebSocket.kt

@@ -6,10 +6,7 @@ import fi.iki.elonen.NanoWSD
 import io.legado.app.R
 import io.legado.app.data.appDb
 import io.legado.app.model.Debug
-import io.legado.app.utils.GSON
+import io.legado.app.utils.*
-import io.legado.app.utils.fromJsonObject
-import io.legado.app.utils.isJson
-import io.legado.app.utils.runOnIO
 import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.IO
 import splitties.init.appCtx
@@ -89,7 +86,7 @@ class SourceDebugWebSocket(handshakeRequest: NanoHTTPD.IHTTPSession) :
                     close(NanoWSD.WebSocketFrame.CloseCode.NormalClosure, "调试结束", false)
                 }
             }.onFailure {
-                it.printStackTrace()
+                it.printOnDebug()
             }
         }
     }

epublib/src/main/java/me/ag2s/epublib/epub/PackageDocumentWriter.java

@@ -9,6 +9,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
+import me.ag2s.epublib.BuildConfig;
 import me.ag2s.epublib.Constants;
 import me.ag2s.epublib.domain.EpubBook;
 import me.ag2s.epublib.domain.Guide;
@@ -51,9 +52,11 @@ public class PackageDocumentWriter extends PackageDocumentBase {
             serializer.endDocument();
             serializer.flush();
         } catch (IOException e) {
+            if (BuildConfig.DEBUG) {
                 e.printStackTrace();
             }
         }
+    }
 
     /**
      * Writes the package's spine.