LifecycleExt.launchAndRepeatWithViewLifecycle 新增 newCoroutineContext …

…参数，可以传入协程运行的上下文。
wsdydeni · Apr 6, 2022 · 0392c8a · 0392c8a
1 parent 4da75a6
commit 0392c8a
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Showing 3 changed files with 29 additions and 9 deletions.
diff --git a/baselib/src/main/kotlin/wsdydeni/library/android/base/BaseActivity.kt b/baselib/src/main/kotlin/wsdydeni/library/android/base/BaseActivity.kt
@@ -79,11 +79,11 @@ open class BaseActivity : AppCompatActivity {
             repeatOnLifecycle(Lifecycle.State.STARTED) {
                 viewModel.effect.collect {
                     when(it) {
-                        is wsdydeni.library.android.base.ToastEffect ->
+                        is ToastEffect ->
                             Toast.makeText(this@BaseActivity, it.text, Toast.LENGTH_SHORT).show()
-                        is wsdydeni.library.android.base.ToastDebugEffect ->
+                        is ToastDebugEffect ->
                             Toast.makeText(this@BaseActivity, it.text, Toast.LENGTH_SHORT).show()
-                        is wsdydeni.library.android.base.DialogShowEffect -> {
+                        is DialogShowEffect -> {
                             if(!isFinishing && !isDestroyed) {
                                 baseHandler.post {
                                     if(!isFinishing && !isDestroyed) {
@@ -94,7 +94,7 @@ open class BaseActivity : AppCompatActivity {
                                 }
                             }
                         }
-                        is wsdydeni.library.android.base.DialogDismissEffect -> {
+                        is DialogDismissEffect -> {
                             loadingDialog?.let { dialog ->
                                 if(dialog.isShowing) {
                                     dialog.dismissNormally()

diff --git a/baselib/src/main/kotlin/wsdydeni/library/android/base/BaseViewModel.kt b/baselib/src/main/kotlin/wsdydeni/library/android/base/BaseViewModel.kt
@@ -10,6 +10,8 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.receiveAsFlow
+import wsdydeni.library.android.utils.lifecycle.repeatOnLifecycle
+import wsdydeni.library.android.utils.lifecycle.launchAndRepeatWithViewLifecycle
 
 
 /**

diff --git a/baselib/src/main/kotlin/wsdydeni/library/android/utils/lifecycle/LifecycleExt.kt b/baselib/src/main/kotlin/wsdydeni/library/android/utils/lifecycle/LifecycleExt.kt
@@ -5,17 +5,31 @@ import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlin.coroutines.CoroutineContext
 
 /**
- * Launches a new coroutine and repeats `block` every time the Fragment's viewLifecycleOwner
- * is in and out of `minActiveState` lifecycle state.
+ * 更加简洁的语法封装
+ *
+ * 在 [Fragment.getViewLifecycleOwner] 达到 [minActiveState] 时，启动一个新的协程并重复 [block] 并在 [Lifecycle.Event.ON_DESTROY] 时，取消协程。
+ *
+ * 警告：不要在其他 CoroutineScope 中调用本函数！！！
+ *
+ * 如果在 CoroutineScope 中调用本函数，会隐式持有外部作用域
+ *
+ * 但是并不会保留外部作用域的上下文，也就是无法实现结构化并发
+ *
+ * @param newCoroutineContext 协程上下文 默认 [Dispatchers.Main]
+ * @param minActiveState 需要达到的最小生命周期状态 默认 [Lifecycle.State.STARTED]
+ * @param block 协程代码块
  */
 inline fun Fragment.launchAndRepeatWithViewLifecycle(
+    newCoroutineContext: CoroutineContext = Dispatchers.Main,
     minActiveState: Lifecycle.State = Lifecycle.State.STARTED,
     crossinline block: suspend CoroutineScope.() -> Unit
 ) {
-    viewLifecycleOwner.lifecycleScope.launch {
+    viewLifecycleOwner.lifecycleScope.launch(newCoroutineContext) {
         viewLifecycleOwner.lifecycle.repeatOnLifecycle(minActiveState) {
             block()
         }
@@ -25,20 +39,24 @@ inline fun Fragment.launchAndRepeatWithViewLifecycle(
 /**
  * 更加简洁的语法封装
  *
+ * 在 [FragmentActivity.getLifecycle] 达到 [minActiveState] 时，启动一个新的协程并重复 [block] 并在 [Lifecycle.Event.ON_DESTROY] 时，取消协程。
+ *
  * 警告：不要在其他 CoroutineScope 中调用本函数！！！
  *
  * 如果在 CoroutineScope 中调用本函数，会隐式持有外部作用域
  *
  * 但是并不会保留外部作用域的上下文，也就是无法实现结构化并发
  *
- * @param minActiveState 需要达到的最小生命周期状态
+ * @param newCoroutineContext 协程上下文 默认 [Dispatchers.Main]
+ * @param minActiveState 需要达到的最小生命周期状态 默认 [Lifecycle.State.STARTED]
  * @param block 协程代码块
  */
 inline fun FragmentActivity.launchAndRepeatWithViewLifecycle(
+    newCoroutineContext: CoroutineContext = Dispatchers.Main,
     minActiveState: Lifecycle.State = Lifecycle.State.STARTED,
     crossinline block: suspend CoroutineScope.() -> Unit
 ) {
-    lifecycleScope.launch {
+    lifecycleScope.launch(newCoroutineContext) {
         lifecycle.repeatOnLifecycle(minActiveState) {
             block()
         }