Finish all activities at a time

Question

I have an application with multiple pages i e   multiple activities and some of them remain open    Is there a way to close all activities at once

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moveTaskToBack true      add this to the click listner

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If rooted   Runtime getRuntime   exec  su -c service call activity 42 s16 com example your app

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None of the other answers worked for me  But I researched some more and finally got the answer  You actually asked to close the app as I needed  So  add following code   x000D   x000D  finishAffinity    x000D   x000D   x000D

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You can use the following code   Intent i   new Intent OldActivity this  NewActivity class    i setFlags Intent FLAG ACTIVITY NEW TASK   Intent FLAG ACTIVITY CLEAR TASK    startActivity i

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There is a finishAffinity   method in Activity that will finish the current activity and all parent activities  but it works only in Android 4 1 or higher   For API 16   use  finishAffinity      For lower  Android 4 1 lower   use   ActivityCompat finishAffinity YourActivity this

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The best solution i have found  which is compatible with devices having API level  lt 11  Intent intent   new Intent getApplicationContext    HomeActivity class   ComponentName cn   intent getComponent    Intent mainIntent   IntentCompat makeRestartActivityTask cn   startActivity mainIntent     This solution requires Android support library

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I was struggling with the same problem  Opening the about page and calling finish    from there wasn t closing the app instead was going to previous activity and I wanted to close the app from the about page itself    This is the code which worked for me   Intent startMain   new Intent Intent ACTION MAIN    startMain addCategory Intent CATEGORY HOME    startMain setFlags Intent FLAG ACTIVITY NEW TASK    startActivity startMain    finish      Hope this helps

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Whenever you wish to exit all open activities  you should press a button which loads the first Activity that runs when your application starts then clear all the other activities  then have the last remaining activity finish   to do so apply the following code in ur project  Intent intent   new Intent getApplicationContext    FirstActivity class   intent setFlags Intent FLAG ACTIVITY CLEAR TOP   intent putExtra  EXIT   true   startActivity intent     The above code finishes all the activities except for FirstActivity   Then we need to finish the FirstActivity s  Enter the below code in Firstactivity s oncreate  if  getIntent   getBooleanExtra  EXIT   false         finish        and you are done

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You can store a boolean flag to represent if all activities should be finished or not  more preferred in your shared preferences  then onStart   method of each activity should have something like   SharedPreferences pref PreferenceManager getDefaultSharedPreferences this   boolean needToDestroyFlag pref getBoolean  destroyFlag   false   if needToDestroyFlag        finish     else                 Obviously you can set this flag  like below when ever you need to finish all activities  in the current activity  after doing so you can call finish   method on current activity that will result to terminate current activity and pop activities from stack up one by one  the onStart   method of each one executes and causes to terminate it   SharedPreferences Editor editor PreferenceManager getDefaultSharedPreferences this  edit    editor putBoolean  destroyFlag   true   editor apply      If you use the method that  letsnurture suggested  you ll be faced with the question asked by   gumuruh

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You can Use finishAffinity   method that will finish the current activity and all parent activities  But it works only for API 16    API 16  use   finishAffinity      Below API 16 use   ActivityCompat finishAffinity this     with v4 support library   To exit whole app   finishAffinity       Close all activites System exit 0       closing files  releasing resources

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in LoginActivity   Override     public void onBackPressed             Intent startMain   new Intent Intent ACTION MAIN           startMain addCategory Intent CATEGORY HOME           startMain setFlags Intent FLAG ACTIVITY NEW TASK           startActivity startMain           finish            super onBackPressed

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There are three solution for clear activity history   1  You can write finish   at the time of start new activity through intent   2  Write android noHistory  true  in all  lt activity gt  tag in Androidmanifest xml file  using this if you are open new activity and you don t write finish   at that time previous activity is always finished  after write your activity look like this    lt activity     android name   Splash Screen Activity      android label   string app name      android noHistory  true  gt    lt  activity gt    3  write system exit 0  for exit from the application

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If you re looking for a solution that seems to be more  by the book  and methodologically designed  using a BroadcastReceiver   you better have a look at the following link  http   www hrupin com 2011 10 how-to-finish-all-activities-in-your-android-application-through-simple-call    A slight change is required in the proposed implementation that appears in that link - you should use the sendStickyBroadcast Intent  method  don t forget to add the BROADCAST STICKY permission to your manifest  rather than sendBroadcast Intent   in order to enable your paused activities to be able to receive the broadcast and process it  and this means that you should also remove that sticky broadcast while restarting your application by calling the removeStickyBroadcast Intent  method in your opening Activity s onCreate   method   Although the above mentioned startActivity      based solutions  at first glance - seem to be very nice  elegant  short  fast and easy to implement - they feel a bit  wrong   to start an activity - with all the possible overhead and resources that may be required and involved in it  just in order to kill it

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Override     public void onBackPressed            MaterialAlertDialogBuilder alert   new MaterialAlertDialogBuilder BorrowForm this  MyTheme           alert setTitle  quot Confirmation quot            alert setCancelable false           alert setMessage  quot App will exit  Data will not be saved  Continue  quot            alert setPositiveButton  quot Ok quot   new DialogInterface OnClickListener                  Override             public void onClick DialogInterface dialog  int which                    Toast toast   Toast makeText BorrowForm this   quot App terminated  quot   Toast LENGTH SHORT                   toast getView   setBackgroundColor Color parseColor  quot  273036 quot                     toast setGravity Gravity CENTER HORIZONTAL 0 0                   TextView toastMessage  TextView  toast getView   findViewById android R id message                   toastMessage setTextColor Color WHITE                   toast show                    finishAffinity                                      alert setNegativeButton  quot Cancel quot   new DialogInterface OnClickListener                  Override             public void onClick DialogInterface dialog  int which                                       alert setCancelable false           alert show

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Problem with finishAffinity   is that only activities in your current task are closed  but activities with singleInstance launchMode and in other tasks are still opened and brought to the foreground after finishAffinity    The problem with System exit 0  is that you finish your App process with all background services and all allocated memory and this can lead to undesired side effects  e g  not receiving notifications anymore    Here are other two alternatives that solve both problems    Use ActivityLifecycleCallbacks in you app class to register created activities and close them when needed  https   gist github com sebaslogen 5006ec133243379d293f9d6221100ddb file-myandroidapplication-kt-L10 In testing you can use ActivityLifecycleMonitorRegistry  https   github com sebaslogen CleanGUITestArchitecture blob master app src androidTest java com neoranga55 cleanguitestarchitecture util ActivityFinisher java L15

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For API 16   use  finishAffinity      For lower  use  ActivityCompat finishAffinity YourActivity this

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close the app  Intent intent   new Intent getApplicationContext    Splash Screen class                   intent setFlags Intent FLAG ACTIVITY CLEAR TOP                   intent putExtra  EXIT   true                   startActivity intent     put this in the oncreate and onResume of the very first activity that is opened  ex  is on splash screen activity  if  getIntent   getBooleanExtra  EXIT   false                 this finish                System exit 0

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You can try just finishAffinity     its close all current activities to works on above v4 1

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Use   finishAffinity       Instead of   System exit    or finish      it exit full application or all activity

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Following two flags worked for me  They will clear all the previous activities and start a new one     Intent intent   new Intent getApplicationContext    MyDetails class     intent addFlags Intent FLAG ACTIVITY CLEAR TASK     intent addFlags Intent FLAG ACTIVITY NEW TASK     startActivity intent     Hope this helps

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i am starter in java android  may be this simple solution help for you  FIRST  create static class   public class ActivityManager        static Activity   step1      static Activity  step2      static Activity  step3       public static void setActivity1 Activity activity                 step1   activity             public static void setActivity2 Activity activity                 step2   activity             public static void setActivity3 Activity activity                 step3   activity             public static void finishAll                  step1 finish             step2 finish             step3 finish               THEN  when you run new activity save link to your manager in step 1    ActivityManager setActivity1 this   AddValuesToSharedPreferences    Intent intent   new Intent Step1 this  Step2 class   startActivity intent     AND THEN in your last step finish all    public void OkExit View v  throws IOException           ActivityManager finishAll

[android] Finish all activities at a time

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