这个错误是什么,为什么会发生?

05-17 18:24:57.069: ERROR/WindowManager(18850): Activity com.mypkg.myP has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@44c46ff0 that was originally added here
05-17 18:24:57.069: ERROR/WindowManager(18850): android.view.WindowLeaked: Activity ccom.mypkg.myP has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@44c46ff0 that was originally added here
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.view.ViewRoot.<init>(ViewRoot.java:231)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.view.Window$LocalWindowManager.addView(Window.java:424)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.app.Dialog.show(Dialog.java:239)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at com.mypkg.myP$PreparePairingLinkageData.onPreExecute(viewP.java:183)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.os.AsyncTask.execute(AsyncTask.java:391)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at com.mypkg.myP.onCreate(viewP.java:94)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2544)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2621)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.app.ActivityThread.access$2200(ActivityThread.java:126)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1932)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.os.Handler.dispatchMessage(Handler.java:99)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.os.Looper.loop(Looper.java:123)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at android.app.ActivityThread.main(ActivityThread.java:4595)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at java.lang.reflect.Method.invokeNative(Native Method)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at java.lang.reflect.Method.invoke(Method.java:521)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
05-17 18:24:57.069: ERROR/WindowManager(18850):     at dalvik.system.NativeStart.main(Native Method)

当前回答

这就是我如何解决这个bottomSheetDialog.dismiss()在活动的finesh()之前的对话框

  startActivity(Intent(this, Activity::class.java))
        bottomSheetDialog.dismiss()
        finish()

其他回答

我也曾面临过这个问题,但我意识到这并不是因为我的对话框,而是因为ActionMode。所以如果你试图在ActionMode打开时完成活动,就会导致这个问题。在你的活动的onPause完成动作模式。

 private ActionMode actionMode;

 @Override
 public void onActionModeStarted(ActionMode mode) {
    super.onActionModeStarted(mode);
    actionMode = mode;
 }

 @Override
 protected void onPause() {
    super.onPause();
    if (actionMode != null) actionMode.finish();
 }

您试图在退出活动后显示一个对话框。

(编辑)

这个问题是谷歌上android开发者搜索最多的问题之一, 因此,从评论中添加一些重要的观点,这可能对未来的调查人员更有帮助,而不需要深入评论对话。

答案1:

您试图在退出活动后显示一个对话框。

回答2

在某些情况下,这个错误可能会有点误导(尽管 答案仍然是完全准确的)-即在我的情况下,一个 在AsyncTask中抛出了unhandled异常,这导致 活动关闭,然后一个打开的progressdialog导致了这一点 异常. .所以'real'异常在日志中稍早一些

回答3

在退出前创建的Dialog实例上调用dismiss() 活动,例如在onPause()或onDestroy()中

如果您正在处理LiveData,当更新值而不是使用LiveData时。尝试做liveData.postValue(someValue)

我在AlertDialog上错误地调用hide()而不是dismiss()触发了这个错误。

当您退出活动后试图显示对话框时,会出现此问题。

我只是通过写下下面的代码解决了这个问题:

@Override
public void onDestroy(){
    super.onDestroy();
    if ( progressDialog!=null && progressDialog.isShowing() ){
        progressDialog.cancel();
    }
}

基本上,从哪个类你开始progressDialog,覆盖onDestroy方法,这样做。它解决了“活动已泄漏窗口”的问题。