活动泄漏了最初添加的窗口

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

也许你在activity中使用了findViewById而不是dialog。findViewById，然后在空实例上设置OnClickListener，这可能会导致原始错误。

2019-02-04 11:27:06

其他回答

我收到了同样模糊的错误信息，不知道为什么。根据前面的答案给出的线索，我将对mDialog.finish()的非gui调用更改为mDialog.dismiss()，错误消失了。这并没有影响我的小部件的行为，但它令人不安，很可能标志着一个重要的内存泄漏。

2011-03-27 05:49:55

通常这个问题是由于进度对话框发生的:你可以在你的活动中使用以下任何一种方法来解决这个问题:

 // 1):
          @Override
                protected void onPause() {
                    super.onPause();
                    if ( yourProgressDialog!=null && yourProgressDialog.isShowing() )
                  {
                        yourProgressDialog.cancel();
                    }
                }

       // 2) :
         @Override
            protected void onDestroy() {
                super.onDestroy();
                if ( yourProgressDialog!=null && yourProgressDialog.isShowing()
               {
                    yourProgressDialog.cancel();
                }
            }

2017-09-15 10:07:43

在活动销毁前解散progressBar

@Override
    protected void onDestroy() {
        try {
            if (progressDialog != null)
                progressDialog.dismiss();
        } catch (Exception e) {
            e.printStackTrace();
        }
        super.onDestroy();
    }

2020-10-26 09:24:30

窗口泄漏异常有两个原因:

1)当Activity上下文不存在时显示对话框，为了解决这个问题，你应该只显示你确定Activity存在的对话框:

if(getActivity()!= null && !getActivity().isFinishing()){
        Dialog.show();
}

2)对话框不适当解散，解决使用以下代码:

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

2015-09-17 20:09:50

我使用的是Jetpack Compose，没有对话，所以这些答案大部分都不适用于我。结果是我在Kotlin协程中访问了超出范围的数组索引。我在try和catch中封装了所有协程调用。

try {
     viewModelScope.launch(Dispatchers.IO) {
     ....
     }
} catch (e: Exception) {
     Log.e("Exception: ", e.message.toString())
}

最后发现了错误(或者我应该说我的错误:P)。

2021-10-04 13:29:25

活动泄漏了最初添加的窗口

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