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

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。

2012-08-30 06:55:41

其他回答

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。

2012-08-30 06:55:41

当您尝试在活动有效完成后显示警报时，会出现“活动已泄漏最初添加的窗口…”错误。

AFAIK，你有两个选择:

重新考虑登录alert:在实际退出activity之前调用对话框上的dismiss()。将对话框放在不同的线程中，并在该线程上运行它(与当前活动无关)。

2012-08-13 15:29:56

根据我的问题是，你正在尝试调用一个对话框后，一个活动正在完成，所以根据我，你可以做的是给一些延迟使用处理程序，你的问题将得到解决，例如:

 Handler handler=new Handler();
     handler.postDelayed(new Runnable() {
                @Override
                public void run() {
                     dialog.show();
                     //or
                     dialog.dismiss();

                }
            },100);

2016-12-08 06:41:37

比之前的答案晚得多，在2022年人们使用Kotlin时，当Kotlin协程试图从错误的(非main)协程上下文修改弹出窗口时，我们也得到了错误。

产生错误:

CoroutineScope(Dispatchers.IO).launch{
    someCodeThatNeedsOtherContext()
    someViewBinding.someAttribute = someValue // We get the error here
}

不产生错误:

CoroutineScope(Dispatchers.IO).launch{
    someCodeThatNeedsOtherContext()
    CoroutineScope(Dispatchers.Main).launch{
        someViewBinding.someAttribute = someValue // No error here
    }
}

2022-10-04 06:47:10

最好的解决方案是把它放在显示progressbar或progressDialog之前

if (getApplicationContext().getWindow().getDecorView().isShown()) {

  //Show Your Progress Dialog

}

2018-06-29 06:45:41

活动泄漏了最初添加的窗口

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