优化

app/src/main/java/io/legado/app/base/BaseService.kt

@@ -6,10 +6,7 @@ import android.os.IBinder
 import androidx.annotation.CallSuper
 import io.legado.app.help.LifecycleHelp
 import io.legado.app.help.coroutine.Coroutine
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.MainScope
-import kotlinx.coroutines.cancel
+import kotlinx.coroutines.*
 import kotlin.coroutines.CoroutineContext
 
 abstract class BaseService : Service(), CoroutineScope by MainScope() {
@@ -17,8 +14,9 @@ abstract class BaseService : Service(), CoroutineScope by MainScope() {
     fun <T> execute(
         scope: CoroutineScope = this,
         context: CoroutineContext = Dispatchers.IO,
+        start: CoroutineStart = CoroutineStart.DEFAULT,
         block: suspend CoroutineScope.() -> T
-    ) = Coroutine.async(scope, context) { block() }
+    ) = Coroutine.async(scope, context, start) { block() }
 
     @CallSuper
     override fun onCreate() {

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

@@ -12,6 +12,7 @@ import kotlin.coroutines.CoroutineContext
 class Coroutine<T>(
     val scope: CoroutineScope,
     context: CoroutineContext = Dispatchers.IO,
+    val startOption: CoroutineStart = CoroutineStart.DEFAULT,
     block: suspend CoroutineScope.() -> T
 ) {
 
@@ -22,9 +23,10 @@ class Coroutine<T>(
         fun <T> async(
             scope: CoroutineScope = DEFAULT,
             context: CoroutineContext = Dispatchers.IO,
+            start: CoroutineStart = CoroutineStart.DEFAULT,
             block: suspend CoroutineScope.() -> T
         ): Coroutine<T> {
-            return Coroutine(scope, context, block)
+            return Coroutine(scope, context, start, block)
         }
 
     }
@@ -135,11 +137,15 @@ class Coroutine<T>(
         return job.invokeOnCompletion(handler)
     }
 
+    fun start() {
+        job.start()
+    }
+
     private fun executeInternal(
         context: CoroutineContext,
         block: suspend CoroutineScope.() -> T
     ): Job {
-        return (scope + Dispatchers.Main).launch {
+        return (scope + Dispatchers.Main).launch(start = startOption) {
             try {
                 start?.let { dispatchVoidCallback(this, it) }
                 ensureActive()

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

@@ -24,10 +24,8 @@ import io.legado.app.utils.activityPendingIntent
 import io.legado.app.utils.postEvent
 import io.legado.app.utils.servicePendingIntent
 import io.legado.app.utils.toastOnUi
+import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.TimeoutCancellationException
-import kotlinx.coroutines.asCoroutineDispatcher
-import kotlinx.coroutines.launch
 import org.mozilla.javascript.WrappedException
 import java.util.concurrent.Executors
 import kotlin.math.min
@@ -122,7 +120,7 @@ class CheckSourceService : BaseService() {
      *校验书源
      */
     private fun check(source: BookSource) {
-        execute(context = searchCoroutine) {
+        execute(context = searchCoroutine, start = CoroutineStart.LAZY) {
             Debug.startChecking(source)
             var searchWord = CheckSource.keyword
             source.ruleSearch?.checkKeyWord?.let {
@@ -162,7 +160,7 @@ class CheckSourceService : BaseService() {
                     }
                 }
                 if (url.isNullOrBlank()) {
-                   source.addGroup("发现规则为空")
+                    source.addGroup("发现规则为空")
                 } else {
                     source.removeGroup("发现规则为空")
                     val exploreBooks = WebBook.exploreBookAwait(this, source, url)
@@ -194,7 +192,7 @@ class CheckSourceService : BaseService() {
                 source.respondTime = Debug.getRespondTime(source.bookSourceUrl)
                 appDb.bookSourceDao.update(source)
                 onNext(source.bookSourceUrl, source.bookSourceName)
-            }
+            }.start()
     }
 
     /**

app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt

@@ -531,7 +531,7 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
     /**
      * 保持亮屏
      */
-    fun keepScreenOn(on: Boolean) {
+    private fun keepScreenOn(on: Boolean) {
         val isScreenOn = (window.attributes.flags and WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) != 0
         if (on == isScreenOn) return
         if (on) {

app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt

@@ -32,7 +32,6 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
     ItemTouchCallback.Callback {
 
     private val selected = linkedSetOf<BookSource>()
-    private val selectedPosition = linkedSetOf<Int>()
 
     val selection: List<BookSource>
         get() {
@@ -143,10 +142,8 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                     if (view.isPressed) {
                         if (checked) {
                             selected.add(it)
-                            selectedPosition.add(holder.layoutPosition)
                         } else {
                             selected.remove(it)
-                            selectedPosition.remove(holder.layoutPosition)
                         }
                         callBack.upCountView()
                     }
@@ -219,22 +216,19 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
     }
 
     fun selectAll() {
-        getItems().forEachIndexed { index, it ->
+        getItems().forEach {
             selected.add(it)
-            selectedPosition.add(index)
         }
         notifyItemRangeChanged(0, itemCount, bundleOf(Pair("selected", null)))
         callBack.upCountView()
     }
 
     fun revertSelection() {
-        getItems().forEachIndexed { index, it ->
+        getItems().forEach {
             if (selected.contains(it)) {
                 selected.remove(it)
-                selectedPosition.remove(index)
             } else {
                 selected.add(it)
-                selectedPosition.add(index)
             }
         }
         notifyItemRangeChanged(0, itemCount, bundleOf(Pair("selected", null)))
@@ -242,13 +236,18 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
     }
 
     fun checkSelectedInterval() {
+        val selectedPosition = linkedSetOf<Int>()
+        getItems().forEachIndexed { index, it ->
+            if (selected.contains(it)) {
+                selectedPosition.add(index)
+            }
+        }
         val minPosition = Collections.min(selectedPosition)
         val maxPosition = Collections.max(selectedPosition)
         val itemCount = maxPosition - minPosition + 1
         for (i in minPosition..maxPosition) {
             getItem(i)?.let {
                 selected.add(it)
-                selectedPosition.add(i)
             }
         }
         notifyItemRangeChanged(minPosition, itemCount, bundleOf(Pair("selected", null)))
@@ -296,10 +295,8 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                 getItem(position)?.let {
                     if (isSelected) {
                         selected.add(it)
-                        selectedPosition.add(position)
                     } else {
                         selected.remove(it)
-                        selectedPosition.remove(position)
                     }
                     notifyItemChanged(position, bundleOf(Pair("selected", null)))
                     callBack.upCountView()