java.lang.IllegalStateException: Activity has been destroyed

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I know that there are several similar questions.

@Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);

            //...

            getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, new LoginFragment()).commit();
        }

        @Override
        protected void onSaveInstanceState(Bundle outState) {
            super.onSaveInstanceState(outState);

            Log.i(TAG, "DZActivity onSaveInstanceState");
        }

        @Override
        public void onRequestStarted() {

            DZActivity.this.runOnUiThread(new Runnable() {

                @Override
                public void run() {

                    Log.i(TAG, "DZActivity onRequestStarted");

                    getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container, new ProgressFragment()).commit();
                }
            });
        }

        @Override
        public void onSignIn(String accessToken) {

            DZActivity.this.runOnUiThread(new Runnable() {

                @Override
                public void run() {

                    Log.i(TAG, "DZActivity onSignIn");

                    getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container, new HomeFragment()).commit();
                }
            });
        }

After pressing Back I start my app the second time and after pressing "Sign in" I get:

08-07 18:02:54.609: I/DZActivity(3302): DZActivity onCreate
08-07 18:02:54.659: I/DZActivity(3302): DZActivity onResume
08-07 18:03:05.349: I/DZActivity(3302): DZActivity onRequestStarted
08-07 18:03:07.929: I/DZActivity(3302): DZActivity onSignIn
08-07 18:03:19.489: I/DZActivity(3302): DZActivity onPause
08-07 18:03:19.769: I/DZActivity(3302): DZActivity onStop
08-07 18:03:19.769: I/DZActivity(3302): DZActivity onDestroy
08-07 18:03:42.799: I/DZActivity(3302): DZActivity onCreate
08-07 18:03:42.819: I/DZActivity(3302): DZActivity onResume
08-07 18:03:49.559: I/DZActivity(3302): DZActivity onRequestStarted
08-07 18:03:49.559: E/AndroidRuntime(3302): java.lang.IllegalStateException: Activity has been destroyed
08-07 18:03:49.559: E/AndroidRuntime(3302):     at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1376)
08-07 18:03:49.559: E/AndroidRuntime(3302):     at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:595)
08-07 18:03:49.559: E/AndroidRuntime(3302):     at android.support.v4.app.BackStackRecord.commitAllowingStateLoss(BackStackRecord.java:578)

Why do I get it if my activity was recreated and even onSaveInstanceState was not called?

possible duplicate of Getting the error "Java.lang.IllegalStateException Activity has been destroyed" when using tabs with ViewPager — Ilya Gazman
– Ilya Gazman, Commented May 25, 2015 at 12:02

AnkitSomani · Accepted Answer · 2014-08-07 15:18:31Z

8

This is know issue look here

This is a bug in the nested fragments. Basically, the child FragmentManager ends up with a broken internal state when it is detached from the activity.

A short-term workaround is to add the following code in your fragment.

@Override
public void onDetach() {
super.onDetach();

try {
     Field childFragmentManager = Fragment.class.getDeclaredField("mChildFragmentManager");
     childFragmentManager.setAccessible(true);
     childFragmentManager.set(this, null);
     } catch (NoSuchFieldException e) {
        throw new RuntimeException(e);
     } catch (IllegalAccessException e) {
        throw new RuntimeException(e);
    }
}

answered Aug 7, 2014 at 15:18

AnkitSomani

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3 Comments

AnkitSomani Over a year ago

Ok. Are you using nested fragments, if not most possibly your activity/fragment has not finished yet and you trying to relaunch it. Can you check with isFinishing () method?

user5366495 Over a year ago

@AnkitSomani Could you help us with a similar problem, just with a DialogFragment called om a menu in a MainActivity: stackoverflow.com/questions/34187711/…

Iman Akbari Over a year ago

for anyone who has the same problem after applying this, in my case the problem was that I was using "remove" instead of "detach".

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