优化

app/src/main/java/io/legado/app/App.kt

@@ -17,6 +17,7 @@ import io.legado.app.help.LifecycleHelp
 import io.legado.app.help.ThemeConfig.applyDayNight
 import io.legado.app.help.http.cronet.CronetLoader
 import io.legado.app.utils.defaultSharedPreferences
+import splitties.systemservices.notificationManager
 import timber.log.Timber
 
 class App : MultiDexApplication() {
@@ -55,7 +56,6 @@ class App : MultiDexApplication() {
      */
     private fun createNotificationChannels() {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return
-        (getSystemService(Context.NOTIFICATION_SERVICE) as? NotificationManager)?.let {
         val downloadChannel = NotificationChannel(
             channelIdDownload,
             getString(R.string.action_download),
@@ -87,8 +87,13 @@ class App : MultiDexApplication() {
         }
 
         //向notification manager 提交channel
-            it.createNotificationChannels(listOf(downloadChannel, readAloudChannel, webChannel))
-        }
+        notificationManager.createNotificationChannels(
+            listOf(
+                downloadChannel,
+                readAloudChannel,
+                webChannel
+            )
+        )
     }
 
 }

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

@@ -32,6 +32,7 @@ import io.legado.app.ui.book.audio.AudioPlayActivity
 import io.legado.app.utils.*
 import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.Main
+import splitties.systemservices.audioManager
 import timber.log.Timber
 
 
@@ -50,9 +51,6 @@ class AudioPlayService : BaseService(),
             private set
     }
 
-    private val audioManager: AudioManager by lazy {
-        getSystemService(Context.AUDIO_SERVICE) as AudioManager
-    }
     private val mFocusRequest: AudioFocusRequestCompat by lazy {
         MediaHelp.getFocusRequest(this)
     }

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

@@ -27,6 +27,7 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
+import splitties.systemservices.audioManager
 
 abstract class BaseReadAloudService : BaseService(),
     AudioManager.OnAudioFocusChangeListener {
@@ -44,9 +45,6 @@ abstract class BaseReadAloudService : BaseService(),
         }
     }
 
-    private val audioManager: AudioManager by lazy {
-        getSystemService(Context.AUDIO_SERVICE) as AudioManager
-    }
     private val mFocusRequest: AudioFocusRequestCompat by lazy {
         MediaHelp.getFocusRequest(this)
     }

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

@@ -28,6 +28,7 @@ import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
 import io.legado.app.R
 import io.legado.app.constant.AppConst
 import io.legado.app.help.IntentHelp
+import splitties.systemservices.clipboardManager
 import timber.log.Timber
 import java.io.File
 import java.io.FileOutputStream
@@ -252,18 +253,13 @@ fun Context.shareWithQr(
 }
 
 fun Context.sendToClip(text: String) {
-    val clipboard =
-        getSystemService(Context.CLIPBOARD_SERVICE) as? ClipboardManager
     val clipData = ClipData.newPlainText(null, text)
-    clipboard?.let {
-        clipboard.setPrimaryClip(clipData)
+    clipboardManager.setPrimaryClip(clipData)
     longToastOnUi(R.string.copy_complete)
 }
-}
 
 fun Context.getClipText(): String? {
-    val clipboard = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager?
-    clipboard?.primaryClip?.let {
+    clipboardManager.primaryClip?.let {
         if (it.itemCount > 0) {
             return it.getItemAt(0).text.toString().trim()
         }

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

@@ -2,11 +2,10 @@ package io.legado.app.utils
 
 import android.annotation.SuppressLint
 import android.app.Activity
-import android.content.Context.POWER_SERVICE
 import android.content.Intent
 import android.net.Uri
-import android.os.PowerManager
 import android.provider.Settings
+import splitties.systemservices.powerManager
 
 
 @Suppress("unused")
@@ -15,7 +14,6 @@ object SystemUtils {
     fun ignoreBatteryOptimization(activity: Activity) {
         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.M) return
 
-        val powerManager = activity.getSystemService(POWER_SERVICE) as PowerManager
         val hasIgnored = powerManager.isIgnoringBatteryOptimizations(activity.packageName)
         //  判断当前APP是否有加入电池优化的白名单，如果没有，弹出加入电池优化的白名单的设置对话框。
         if (!hasIgnored) {

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

@@ -10,7 +10,6 @@ import android.os.Build
 import android.text.Html
 import android.view.View
 import android.view.View.*
-import android.view.inputmethod.InputMethodManager
 import android.widget.*
 import androidx.annotation.ColorInt
 import androidx.appcompat.app.AppCompatActivity
@@ -21,7 +20,7 @@ import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager.widget.ViewPager
 import io.legado.app.help.AppConfig
 import io.legado.app.lib.theme.TintHelper
-import splitties.init.appCtx
+import splitties.systemservices.inputMethodManager
 import timber.log.Timber
 import java.lang.reflect.Field
 
@@ -39,8 +38,7 @@ val View.activity: AppCompatActivity?
     get() = getCompatActivity(context)
 
 fun View.hideSoftInput() = run {
-    val imm = appCtx.getSystemService(Context.INPUT_METHOD_SERVICE) as? InputMethodManager
-    imm?.hideSoftInputFromWindow(this.windowToken, 0)
+    inputMethodManager.hideSoftInputFromWindow(this.windowToken, 0)
 }
 
 fun View.disableAutoFill() = run {