Android Remove all the previous activities from the back stack

Question

When i am clicking on Logout button in my Profile Activity i want to take user to Login page  where he needs to use new credentials   Hence i used this code   Intent intent   new Intent ProfileActivity this          LoginActivity class   intent addFlags Intent FLAG ACTIVITY CLEAR TOP    intent addFlags Intent FLAG ACTIVITY NEW TASK   startActivity intent     in the onButtonClick of the Logout button   But the problem is when i click device back button on the Login Activity it takes me to the ProfileActivity  I was expecting the application should close when i press device back button on LoginActivity   What am i doing wrong   I also added android launchMode  singleTop  in the manifest for my LoginActivity  Thank You

User · Answer

To clear the activity stack completely you want to create a new task stack using TaskStackBuilder, for example:

Intent loginIntent = LoginActivity.getIntent(context);
TaskStackBuilder.create(context).addNextIntentWithParentStack(loginIntent).startActivities();

This will not only create a new, clean task stack, it will also allow for proper functioning of the "up" button if your LoginActivity has a parent activity.

User · Answer

Use the following for activity  intent addFlags Intent FLAG ACTIVITY CLEAR TOP   Intent FLAG ACTIVITY CLEAR TASK   Intent FLAG ACTIVITY NEW TASK     remove CLEAR TASK flag for fragment use   I hope this may use for some people

User · Answer

Just keep   Intent intent   new Intent ProfileActivity this      LoginActivity class   intent addFlags Intent FLAG ACTIVITY CLEAR TOP    startActivity intent

User · Answer

Use this  Intent i1 new Intent getApplicationContext   StartUp Page class   i1 setAction Intent ACTION MAIN   i1 addCategory Intent CATEGORY HOME   i1 setFlags Intent FLAG ACTIVITY CLEAR TOP   i1 setFlags Intent FLAG ACTIVITY CLEAR TASK   i1 setFlags Intent FLAG ACTIVITY NEW TASK   Intent FLAG ACTIVITY CLEAR TASK   startActivity i1   finish

User · Answer

One possible solution what I can suggest you is to add android launchMode  singleTop  in the manifest for my ProfileActivity  and when log out is clicked u can logoff starting again you LoginActivity  on  logout u can call this   Intent in   new Intent Profile this Login class                   in addFlags Intent FLAG ACTIVITY CLEAR TOP                   startActivity in                   finish

User · Answer

For API 11  you can use Intent FLAG ACTIVITY CLEAR TASK Intent FLAG ACTIVITY NEW TASK like this   Intent intent   new Intent this  MyActivity class   intent setFlags Intent FLAG ACTIVITY CLEAR TASK Intent FLAG ACTIVITY NEW TASK   this startActivity intent     It will totally clears all previous activity s  and start new activity

User · Answer

finishAffinity   added in API 16  Use ActivityCompat finishAffinity   in previous versions  When you will launch any activity using intent and finish the current activity  Now use  ActivityCompat finishAffinity   instead finish    it will finish all stacked activity below current activity  It works fine for me

User · Answer

add to Manifest for your activity android launchMode  singleTask

User · Answer

Advanced  Reuseable Kotlin   You can set the flag directly using setter method  In Kotlin or is the replacement for the Java bitwise or     intent flags   Intent FLAG ACTIVITY NEW TASK or Intent FLAG ACTIVITY CLEAR TASK   If you plan to use this regularly  create an Intent extension function  fun Intent clearStack         flags   Intent FLAG ACTIVITY NEW TASK or Intent FLAG ACTIVITY CLEAR TASK     You can then directly call this function before starting the intent  intent clearStack     If you need the option to add additional flags in other situations  add an optional param to the extension function   fun Intent clearStack additionalFlags  Int   0        flags   additionalFlags or Intent FLAG ACTIVITY NEW TASK or Intent FLAG ACTIVITY CLEAR TASK

User · Answer

None of the intent flags worked for me  but this is how I fixed it   When a user signs out from one activity I had to broadcast a message from that activity  then receive it in the activities that I wanted to close after which I call finish    and it works pretty well

User · Answer

I am also facing the same issue    in the login activity what i do is       Intent myIntent   new Intent MainActivity this  ActivityLoggedIn class       finish        MainActivity this startActivity myIntent       on logout     Intent myIntent   new Intent ActivityLoggedIn this  MainActivity class      finish       ActivityLoggedIn this startActivity myIntent     This works well but when i am in the ActivityLoggedIn and i minimize the app and click on the launcher button icon on the app drawer  the MainActivity starts again  -  i am using the flag  android LaunchMode singleTask    for the MainActivity

User · Answer

Try this it will work   Intent logout intent   new Intent DashboardActivity this  LoginActivity class   logout intent setFlags Intent FLAG ACTIVITY CLEAR TOP   logout intent setFlags Intent FLAG ACTIVITY NEW TASK   logout intent setFlags Intent FLAG ACTIVITY NO HISTORY   startActivity logout intent   finish

User · Answer

You can try finishAffinity    it closes all current activities and works on and above Android 4 1

User · Answer

Here is one solution to clear all your application s activities when you use the logout button   Every time you start an Activity  start it like this   Intent myIntent   new Intent getBaseContext    YourNewActivity class   startActivityForResult myIntent  0     When you want to close the entire app  do this   setResult RESULT CLOSE ALL   finish      RESULT CLOSE ALL is a final global variable with a unique integer to signal you want to close all activities     Then define every activity s onActivityResult      callback so when an activity returns with the RESULT CLOSE ALL value  it also calls finish      Override protected void onActivityResult int requestCode  int resultCode  Intent data        switch resultCode            case RESULT CLOSE ALL          setResult RESULT CLOSE ALL           finish              super onActivityResult requestCode  resultCode  data       This will cause a cascade effect that closes all your activities   This is a hack however and uses startActivityForResult in a way that it was not designed to be used   Perhaps a better way to do this would be using broadcast receivers as shown here   On logout  clear Activity history stack  preventing  quot back quot  button from opening logged-in-only Activites  See these threads for other methods as well   Android  Clear the back stack  Finish all previous activities

User · Answer

The solution proposed here worked for me   Java  Intent i   new Intent OldActivity this  NewActivity class      set the new task and clear flags i setFlags Intent FLAG ACTIVITY NEW TASK   Intent FLAG ACTIVITY CLEAR TASK   startActivity i     Kotlin  val i   Intent this  NewActivity  class java     set the new task and clear flags i flags   Intent FLAG ACTIVITY NEW TASK or Intent FLAG ACTIVITY CLEAR TASK startActivity i    However  it requires API level    11

User · Answer

In API level 11 or greater  use FLAG ACTIVITY CLEAR TASK and FLAG ACTIVITY NEW TASK flag on Intent to clear all the activity stack   Intent i   new Intent OldActivity this  NewActivity class      set the new task and clear flags i setFlags Intent FLAG ACTIVITY NEW TASK    Intent FLAG ACTIVITY CLEAR TASK  startActivity i

User · Answer

What worked for me   Intent intent   new Intent getApplicationContext    HomeActivity class   ComponentName cn   intent getComponent    Intent mainIntent   IntentCompat makeRestartActivityTask cn   startActivity mainIntent

[android] Android: Remove all the previous activities from the back stack

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