I guess that this is a problem that most of us have had - and many still
have without knowing it - because it normally does not cause a crash.
It is also badly handled in the documentation.
Here are some more details on how I normally do it:
First, define an alertDialog in your Activity class:
private AlertDialog alertDialog;
In the end of the AlertDialog.Builder method, use
alertDialog = builder.show();
In the onPause() or onStop() method, use
try {
alertDialog.cancel();
}
catch (Exception e) {
;
}
Or you can use alertDialog.dismiss(); which does (almost) the same.
Regards, Terry
kl. 07:57:01 UTC+2 onsdag 18. juli 2012 skrev B.Arunkumar følgende:
>
> Hi,
>
> I have an app which produces more than one alert dialog in
> different situations. Let us say we have more than one alert dialog on
> the screen - dialog1, dialog2.
>
> When dialog1 ok is pressed as per the code below, the screen finishes:
>
> AlertDialog.Builder alert_box=new
> AlertDialog.Builder(AsyncRecordTrial.this);
> alert_box.setIcon(R.drawable.icon);
> alert_box.setMessage(dialogmessage);
> alert_box.setPositiveButton("Ok",new
> DialogInterface.OnClickListener() {
> @Override
> public void
> onClick(DialogInterface dialog, int which) {
> // TODO Auto-generated
> method stub
> dialog.cancel();
> }
> });
>
> alert_box.setOnCancelListener(new
> OnCancelListener(){
>
> @Override
> public void
> onCancel(DialogInterface dialog) {
> // TODO Auto-generated
> method stub
>
> finish();
> }
> });
> alert_box.show();
>
> However, dialog2 doesn't cancel and it leads to a memory leak in the
> logcat with crash.
>
> E/WindowManager(27573): Activity
> com.example.OnVRViewer.AsyncRecordTrial has leaked window
> com.android.internal.policy.impl.PhoneWindow$DecorView@407b9748 that
> was originally added here
> E/WindowManager(27573): android.view.WindowLeaked: Activity
> com.example.OnVRViewer.AsyncRecordTrial has leaked window
> com.android.internal.policy.impl.PhoneWindow$DecorView@407b9748 that
> was originally added here
> E/WindowManager(27573): at
> android.view.ViewRoot.<init>(ViewRoot.java:
> 266)
> E/WindowManager(27573): at
> android.view.WindowManagerImpl.addView(WindowManagerImpl.java:174)
> E/WindowManager(27573): at
> android.view.WindowManagerImpl.addView(WindowManagerImpl.java:117)
> E/WindowManager(27573): at android.view.Window
> $LocalWindowManager.addView(Window.java:424)
> E/WindowManager(27573): at
> android.app.Dialog.show(Dialog.java:241)
> E/WindowManager(27573): at android.app.AlertDialog
> $Builder.show(AlertDialog.java:823)
> E/WindowManager(27573): at com.example.OnVRViewer.AsyncRecordTrial
> $5.handleMessage(AsyncRecordTrial.java:1461)
> E/WindowManager(27573): at
> android.os.Handler.dispatchMessage(Handler.java:99)
> E/WindowManager(27573): at android.os.Looper.loop(Looper.java:130)
> E/WindowManager(27573): at
> android.app.ActivityThread.main(ActivityThread.java:3691)
> E/WindowManager(27573): at
> java.lang.reflect.Method.invokeNative(Native Method)
> E/WindowManager(27573): at
> java.lang.reflect.Method.invoke(Method.java:507)
> E/WindowManager(27573): at com.android.internal.os.ZygoteInit
> $MethodAndArgsCaller.run(ZygoteInit.java:907)
> E/WindowManager(27573): at
> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:665)
>
> Now how do I cancel also dialog2?
>
> Thank you,
> B.Arunkumar
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