自定义默认封面

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

@@ -48,6 +48,7 @@ object PreferKey {
     const val autoReadSpeed = "autoReadSpeed"
     const val barElevation = "barElevation"
     const val transparentStatusBar = "transparentStatusBar"
+    const val defaultCover = "defaultCover"
 
     const val cPrimary = "colorPrimary"
     const val cAccent = "colorAccent"

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

@@ -104,8 +104,12 @@ object Restore {
             } catch (e: Exception) {
                 e.printStackTrace()
             }
-            Preferences.getSharedPreferences(App.INSTANCE, path, "config")?.all?.map {
+            Preferences.getSharedPreferences(App.INSTANCE, path, "config")?.all
+                ?.let { map ->
+                    val ignoreKeys = arrayOf(PreferKey.versionCode, PreferKey.defaultCover)
                     val edit = App.INSTANCE.defaultSharedPreferences.edit()
+                    map.forEach {
+                        if (!ignoreKeys.contains(it.key)) {
                             when (val value = it.value) {
                                 is Int -> edit.putInt(it.key, value)
                                 is Boolean -> edit.putBoolean(it.key, value)
@@ -114,7 +118,8 @@ object Restore {
                                 is String -> edit.putString(it.key, value)
                                 else -> Unit
                             }
-                edit.putInt(PreferKey.versionCode, App.INSTANCE.versionCode)
+                        }
+                    }
                     edit.apply()
                 }
             ReadBookConfig.apply {

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

@@ -40,7 +40,7 @@ class BgTextConfigDialog : BaseDialogFragment() {
         const val BG_COLOR = 122
     }
 
-    private val resultSelectBg = 123
+    private val requestCodeBg = 123
     private lateinit var adapter: BgAdapter
 
     override fun onStart() {
@@ -136,7 +136,7 @@ class BgTextConfigDialog : BaseDialogFragment() {
         val intent = Intent(Intent.ACTION_GET_CONTENT)
         intent.addCategory(Intent.CATEGORY_OPENABLE)
         intent.type = "image/*"
-        startActivityForResult(intent, resultSelectBg)
+        startActivityForResult(intent, requestCodeBg)
     }
 
     class BgAdapter(context: Context) :
@@ -167,15 +167,13 @@ class BgTextConfigDialog : BaseDialogFragment() {
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {
-            resultSelectBg -> {
+            requestCodeBg -> if (resultCode == RESULT_OK) {
-                if (resultCode == RESULT_OK) {
                 data?.data?.let { uri ->
                     setBgFromUri(uri)
                 }
             }
         }
     }
-    }
 
     private fun setBgFromUri(uri: Uri) {
         if (uri.toString().isContentPath()) {

app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt

@@ -1,10 +1,14 @@
 package io.legado.app.ui.config
 
+import android.app.Activity.RESULT_OK
 import android.content.ComponentName
+import android.content.Intent
 import android.content.SharedPreferences
 import android.content.pm.PackageManager
+import android.net.Uri
 import android.os.Bundle
 import android.view.View
+import androidx.documentfile.provider.DocumentFile
 import androidx.preference.ListPreference
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
@@ -14,16 +18,22 @@ import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
 import io.legado.app.help.AppConfig
 import io.legado.app.help.BookHelp
+import io.legado.app.help.permission.Permissions
+import io.legado.app.help.permission.PermissionsCompat
 import io.legado.app.lib.theme.ATH
 import io.legado.app.receiver.SharedReceiverActivity
 import io.legado.app.service.WebService
+import io.legado.app.ui.widget.image.CoverImageView
 import io.legado.app.ui.widget.number.NumberPickerDialog
 import io.legado.app.utils.*
+import java.io.File
 
 
 class OtherConfigFragment : PreferenceFragmentCompat(),
     SharedPreferences.OnSharedPreferenceChangeListener {
 
+    private val requestCodeCover = 231
+
     private val packageManager = App.INSTANCE.packageManager
     private val componentName = ComponentName(
         App.INSTANCE,
@@ -36,6 +46,7 @@ class OtherConfigFragment : PreferenceFragmentCompat(),
         addPreferencesFromResource(R.xml.pref_config_other)
         upPreferenceSummary(PreferKey.threadCount, AppConfig.threadCount.toString())
         upPreferenceSummary(PreferKey.webPort, webPort.toString())
+        upPreferenceSummary(PreferKey.defaultCover, getPrefString(PreferKey.defaultCover))
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -74,8 +85,11 @@ class OtherConfigFragment : PreferenceFragmentCompat(),
                 }
                 toast(R.string.clear_cache_success)
             }
-            "defaultCover" -> {
+            PreferKey.defaultCover -> {
-                
+                val intent = Intent(Intent.ACTION_GET_CONTENT)
+                intent.addCategory(Intent.CATEGORY_OPENABLE)
+                intent.type = "image/*"
+                startActivityForResult(intent, requestCodeCover)
             }
         }
         return super.onPreferenceTreeClick(preference)
@@ -98,6 +112,10 @@ class OtherConfigFragment : PreferenceFragmentCompat(),
                 setProcessTextEnable(it.getBoolean(key, true))
             }
             PreferKey.showRss -> postEvent(EventBus.SHOW_RSS, "unused")
+            PreferKey.defaultCover -> upPreferenceSummary(
+                key,
+                getPrefString(PreferKey.defaultCover)
+            )
         }
     }
 
@@ -134,4 +152,52 @@ class OtherConfigFragment : PreferenceFragmentCompat(),
         }
     }
 
+    private fun setCoverFromUri(uri: Uri) {
+        if (uri.toString().isContentPath()) {
+            val doc = DocumentFile.fromSingleUri(requireContext(), uri)
+            doc?.name?.let {
+                var file = requireContext().externalFilesDir
+                file = FileUtils.createFileIfNotExist(file, it, "covers")
+                kotlin.runCatching {
+                    DocumentUtils.readBytes(requireContext(), doc.uri)
+                }.getOrNull()?.let { byteArray ->
+                    file.writeBytes(byteArray)
+                    putPrefString(PreferKey.defaultCover, file.absolutePath)
+                    CoverImageView.upDefaultCover()
+                } ?: toast("获取文件出错")
+            }
+        } else {
+            PermissionsCompat.Builder(this)
+                .addPermissions(
+                    Permissions.READ_EXTERNAL_STORAGE,
+                    Permissions.WRITE_EXTERNAL_STORAGE
+                )
+                .rationale(R.string.bg_image_per)
+                .onGranted {
+                    RealPathUtil.getPath(requireContext(), uri)?.let { path ->
+                        val imgFile = File(path)
+                        if (imgFile.exists()) {
+                            var file = requireContext().externalFilesDir
+                            file = FileUtils.createFileIfNotExist(file, imgFile.name, "covers")
+                            file.writeBytes(imgFile.readBytes())
+                            putPrefString(PreferKey.defaultCover, file.absolutePath)
+                            CoverImageView.upDefaultCover()
+                        }
+                    }
+                }
+                .request()
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        when (requestCode) {
+            requestCodeCover -> if (resultCode == RESULT_OK) {
+                data?.data?.let { uri ->
+                    setCoverFromUri(uri)
+                }
+            }
+        }
+    }
+
 }

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

@@ -10,8 +10,11 @@ import com.bumptech.glide.load.DataSource
 import com.bumptech.glide.load.engine.GlideException
 import com.bumptech.glide.request.RequestListener
 import com.bumptech.glide.request.target.Target
+import io.legado.app.App
 import io.legado.app.R
+import io.legado.app.constant.PreferKey
 import io.legado.app.help.ImageLoader
+import io.legado.app.utils.getPrefString
 
 
 class CoverImageView : androidx.appcompat.widget.AppCompatImageView {
@@ -131,8 +134,8 @@ class CoverImageView : androidx.appcompat.widget.AppCompatImageView {
     fun load(path: String?, name: String?, author: String?) {
         setText(name, author)
         ImageLoader.load(context, path)//Glide自动识别http://,content://和file://
-            .placeholder(R.drawable.image_cover_default)
+            .placeholder(defaultDrawable)
-            .error(R.drawable.image_cover_default)
+            .error(defaultDrawable)
             .listener(object : RequestListener<Drawable> {
                 override fun onLoadFailed(
                     e: GlideException?,
@@ -159,4 +162,19 @@ class CoverImageView : androidx.appcompat.widget.AppCompatImageView {
             .centerCrop()
             .into(this)
     }
+
+    companion object {
+        lateinit var defaultDrawable: Drawable
+
+        init {
+            upDefaultCover()
+        }
+
+        fun upDefaultCover() {
+            val path = App.INSTANCE.getPrefString(PreferKey.defaultCover)
+            defaultDrawable = Drawable.createFromPath(path)
+                ?: App.INSTANCE.resources.getDrawable(R.drawable.image_cover_default, null)
+        }
+
+    }
 }