How to kill an Android activity when leaving it so that it cannot be accessed from the back button

Question

In an given Android activity  I would like to start a new activity for the user at some point  Once they leave the first activity and arrive at the second  the first activity is stale and I want to remove it completely so it can not be accessed again from the back button   How is the best way to accomplish this  How do I kill or destroy this activity immediately after the user has launched the new activity

User · Answer

Setting android noHistory  true  on the activity in your manifest will remove an activity from the stack whenever it is navigated away from  see here

User · Answer

You just need to call finish    Intent intent   new Intent this  NextActivity class   startActivity intent   finish

User · Answer

You can also add android noHistory  true  to your Activity tag in AndroidManifest xml    lt activity                             android noHistory  true  gt   lt  activity gt

User · Answer

You just need to use below code when launching the new activity   startActivity new Intent this  newactivity class    finish

User · Answer

you can use   intent setFlags Intent FLAG ACTIVITY NO HISTORY

User · Answer

Write this in each  new activity  after you initialized your new intent-    Intent i   new Intent this  yourClass class   startActivity i   finish

User · Answer

Finally  I got a solution   My Context is - I want disconnect socket connection when activity destroyed  I tried to finish   activity but it didn t work me  its keep connection live somewhere   so I use                 android os Process killProcess android os Process myPid     its kill my activity and i used android excludeFromRecents  true  for remove from recent activity

User · Answer

Yes  all you need to do is call finish   in any Activity you would like to close

User · Answer

Add this attribute to you activity in manifest file   android noHistory  true

[android] How to kill an Android activity when leaving it so that it cannot be accessed from the back button?

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