October 19, 2016

WindowManager: android.view.WindowLeaked: Activity has leaked window

While developing an android mobile app, I received this error.
In the mobile app, on click of back button, a dialog will be opened with few buttons including "Exit". On click of exit, I have given (Activity context).finish(); but it is throwing the below error.

WindowManager: android.view.WindowLeaked: Activity <app package> has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{45500950 V.E..... R....... 0,0-640,929} that was originally added here
at android.view.ViewRootImpl.<init>(ViewRootImpl.java:368)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:252)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
at android.app.Dialog.show(Dialog.java:286)
at android.app.Activity.onKeyUp(Activity.java:2204)
at android.view.KeyEvent.dispatch(KeyEvent.java:2664)
at android.app.Activity.dispatchKeyEvent(Activity.java:2434)

This error occurred due to improper closing of the dialog box before exiting the app. So, the solution I found is to dismiss the dialog box before calling finish() method.

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