java.lang.IllegalStateException: Fragment host has been destroyed
at android.support.v4.app.FragmentManagerImpl.ensureExecReady(FragmentManager.java:2211)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2267)
at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:814)
at com.myflightbook.android.MFBMain.onTabChanged(MFBMain.java:778)
at android.widget.TabHost.invokeOnTabChangeListener(TabHost.java:461)
at android.widget.TabHost.setCurrentTab(TabHost.java:446)
at android.widget.TabHost.setCurrentTabByTag(TabHost.java:309)
at com.myflightbook.android.MFBMain$RefreshTask.onPostExecute(MFBMain.java:659)
at com.myflightbook.android.MFBMain$RefreshTask.onPostExecute(MFBMain.java:633)
at android.os.AsyncTask.finish(AsyncTask.java:695)
at android.os.AsyncTask.access$600(AsyncTask.java:180)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:712)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7156)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:975)
Fragment host has been destroyedFragment host has been destroyed
java.lang.IllegalStateException: Fragment host has been destroyed at android.support.v4.app.FragmentManagerImpl.ensureExecReady(FragmentManager.java:2211) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2267) at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:814) at com.myflightbook.android.MFBMain.onTabChanged(MFBMain.java:778) at android.widget.TabHost.invokeOnTabChangeListener(TabHost.java:461) at android.widget.TabHost.setCurrentTab(TabHost.java:446) at android.widget.TabHost.setCurrentTabByTag(TabHost.java:309) at com.myflightbook.android.MFBMain$RefreshTask.onPostExecute(MFBMain.java:659) at com.myflightbook.android.MFBMain$RefreshTask.onPostExecute(MFBMain.java:633) at android.os.AsyncTask.finish(AsyncTask.java:695) at android.os.AsyncTask.access$600(AsyncTask.java:180) at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:712) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7156) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:975) Fragment host has been destroyedFragment host has been destroyed