update

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

@@ -1,5 +1,7 @@
 package io.legado.app.help.coroutine
 
+import android.util.Log
+
 class CompositeCoroutine : CoroutineContainer {
 
     private var resources: HashSet<Coroutine<*>>? = null
@@ -76,10 +78,11 @@ class CompositeCoroutine : CoroutineContainer {
             resources = null
         }
 
-        set?.forEach {
-            runCatching {
-                it.cancel()
-            }
+        Log.e("TAG", "size: ${set?.size}")
+
+        set?.forEachIndexed { index, coroutine ->
+            Log.e("TAG", "index: $index")
+            coroutine.cancel()
         }
     }
 }

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

@@ -44,8 +44,8 @@ class Coroutine<T>() {
         scope: CoroutineScope,
         block: suspend CoroutineScope.() -> T
     ) : this() {
-        this.job = scope.launch {
-            executeInternal(block)
+        this.job = scope.plus(Dispatchers.Main).launch {
+            executeInternal(this@launch, block)
         }
     }
 
@@ -119,55 +119,51 @@ class Coroutine<T>() {
 
     //取消当前任务
     fun cancel(cause: CancellationException? = null) {
+        job?.cancelChildren(cause)
         job?.cancel(cause)
     }
 
-    private suspend fun executeInternal(block: suspend CoroutineScope.() -> T) {
+    private suspend fun executeInternal(scope: CoroutineScope, block: suspend CoroutineScope.() -> T) {
         tryCatch(
             {
-                start?.invoke(this)
-
+                start?.invoke(scope)
                 val result = executeBlockIO(block, timeMillis ?: 0L)
-
-                success?.invoke(this, result)
+                success?.invoke(scope, result)
             },
             { e ->
                 val consume: Boolean = errorReturn?.value?.let { value ->
-                    success?.invoke(this, value)
+                    success?.invoke(scope, value)
                     true
                 } ?: false
-
                 if (!consume) {
-                    error?.invoke(this, e)
+                    error?.invoke(scope, e)
                 }
             },
             {
-                finally?.invoke(this)
+                finally?.invoke(scope)
             })
     }
 
     private suspend fun executeBlockIO(block: suspend CoroutineScope.() -> T, timeMillis: Long): T? {
-        val result: T = withContext(Dispatchers.IO) {
-            val b = block()
-
-            execute?.invoke(this, b)
-
-            b
+        val execution = withContext(Dispatchers.IO) {
+            val result = block()
+            execute?.invoke(this, result)
+            result
         }
-        return if (timeMillis > 0L) withTimeout(timeMillis) { result } else result
+        return if (timeMillis > 0L) withTimeout(timeMillis) { execution } else execution
     }
 
     private suspend fun tryCatch(
-        tryBlock: suspend CoroutineScope.() -> Unit,
-        errorBlock: (suspend CoroutineScope.(Throwable) -> Unit)? = null,
-        finallyBlock: (suspend CoroutineScope.() -> Unit)? = null
+        tryBlock: suspend () -> Unit,
+        errorBlock: (suspend (Throwable) -> Unit)? = null,
+        finallyBlock: (suspend () -> Unit)? = null
     ) {
         try {
-            coroutineScope { tryBlock() }
+            tryBlock()
         } catch (e: Throwable) {
-            coroutineScope { errorBlock?.invoke(this, e) }
+            errorBlock?.invoke(e)
         } finally {
-            coroutineScope { finallyBlock?.invoke(this) }
+            finallyBlock?.invoke()
         }
     }
 

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

@@ -1,6 +1,6 @@
 package io.legado.app.help.coroutine
 
-interface CoroutineContainer {
+internal interface CoroutineContainer {
 
     fun add(coroutine: Coroutine<*>): Boolean
 

app/src/main/java/io/legado/app/ui/search/SearchActivity.kt

@@ -11,6 +11,7 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
+import io.legado.app.data.entities.SearchBook
 import io.legado.app.data.entities.SearchShow
 import io.legado.app.lib.theme.ATH
 import io.legado.app.utils.getViewModel
@@ -44,14 +45,13 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_search)
                     viewModel.search(it, { startTime ->
                         content_view.showContentView()
                         initData(startTime)
-                    }, {
-
                     })
                 }
                 return true
             }
 
             override fun onQueryTextChange(newText: String?): Boolean {
+                if(newText.isNullOrBlank())  viewModel.stop()
                 return false
             }
 

app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt

@@ -3,7 +3,6 @@ package io.legado.app.ui.search
 import android.app.Application
 import io.legado.app.App
 import io.legado.app.base.BaseViewModel
-import io.legado.app.help.coroutine.CompositeCoroutine
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.model.WebBook
 
@@ -12,18 +11,24 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
 
     var searchPage = 0
 
-    fun search(key: String, start: ((startTime: Long) -> Unit)? = null, finally: (() -> Unit)? = null) {
+    fun search(
+        key: String,
+        start: ((startTime: Long) -> Unit)? = null,
+        finally: (() -> Unit)? = null
+    ) {
         if (key.isEmpty()) return
         task?.cancel()
         start?.invoke(System.currentTimeMillis())
-        task = execute {//onCleared时自动取消
+        task = execute {
+            //onCleared时自动取消
             val bookSourceList = App.db.bookSourceDao().allEnabled
             for (item in bookSourceList) {
                 //task取消时自动取消 by （scope = this@execute）
-                WebBook(item).searchBook(key, searchPage, scope = this)
-                    .onExecute { searchBookS ->
-                        searchBookS?.let {
-                            App.db.searchBookDao().insert(*it.toTypedArray())
+                WebBook(item).searchBook(key, searchPage, scope = this@execute)
+                    .timeout { 30000L }
+                    .onExecute {
+                        it?.let { list ->
+                            App.db.searchBookDao().insert(*list.toTypedArray())
                         }
                     }
             }
@@ -32,4 +37,13 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
             it.printStackTrace()
         }
     }
+
+    fun stop() {
+        task?.cancel()
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        task?.cancel()
+    }
 }

app/src/main/res/layout/activity_search.xml

@@ -11,6 +11,7 @@
             android:id="@+id/title_bar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            app:contentInsetStartWithNavigation="0dp"
             app:layout_constraintTop_toTopOf="parent"
             app:title="搜索"/>