How to close activity and go back to previous activity in android

Question

I have a main activity  that when I click on a button  starts a new activity  i used the following code to do so   Intent intent   new Intent this  SettingsActivity class   startActivity intent     The above code was run from the main activity   Now in my new activity which is called by the main activity  I have a back button  When I click on this back button I want my new activity to close and it must go back to the original main activity   I have tried calling super finish   and just finish     from the new activity  but this then closes my entire application  including my main activity    How can I just close the activity that is currently in focus  and then return to the main activity   EDITED  The fact that my phone s back button also closes my entire app  leads me to think that i have started up the second activity incorrectly      OK I have been looking   I created a Settings Activity that uses the same manifest code and the same code to Start the activity   For the settings Activity when I push the back button  it returns to the Main activity   With the activity mentioned above in the main question it simply exits my entire app   So the problem doesn t seem to be with the code to finish the activity but the activity itself

User · Accepted Answer

I think you are calling finish   method in MainActivity before starting SettingsActivity   The scenario which you have described will occur in following two ways   EITHER  You have set android noHistory    true  for MainActivity inside AndroidManifest xml which causes MainActivity to finish automatically on pressing the back key   OR  Before switching to your  SettingsActivity   you have called finish   in your MainActivity  which kills it  When you press back button since no other activity is preset in stack to pop  it goes back to main screen

User · Answer

on onCreate method of your activity  write the following code   getSupportActionBar   setDisplayHomeAsUpEnabled true   getSupportActionBar   setDisplayShowHomeEnabled true     Then override the onOptionsItem selected method of your activity as follows   Override public boolean onOptionsItemSelected MenuItem item        switch  item getItemId             case android R id home              finish              return super onOptionsItemSelected item       And you are good to go

User · Answer

I don t know if this is even usefull or not but I was strugling with the same problem and I found a pretty easy way  with only a global boolean variable and onResume   action  In my case  my Activity C if clicked in a specific button it should trigger the finish   of Activity B   Activity A -  Activity B -  Activity C  Activity A  opens normally Activity B   Activity B  on some button click opens Activity C       Global  boolean its detail   false     ------- SharedPreferences prefs    getApplicationContext   getSharedPreferences  sharedpreferences   0   boolean v   prefs getBoolean  select client   false    its detail   v   startActivity C     Override public void onResume         super onResume         if its detail    true           finish               So  whenever I click the button on Activity C it would do the  onResume    function of Activity B and go back to Activity A

User · Answer

it may be possible you are calling finish    in the click button event so the main activity is closed just after you clicking the button and when you are coming back from next activity the application is exit because main activity is already closed and there is no active activity

User · Answer

try this code instead of finish   onBackPressed

User · Answer

You are making this too hard   If I understand what you are trying to do correctly  the built-in  back  button and Android itself will do all the work for you  http   developer android com guide components tasks-and-back-stack html  Also  implementing a custom  back  button violates Core App Quality Guideline UX-N1  http   developer android com distribute googleplay quality core html

User · Answer

Override     public boolean onOptionsItemSelected MenuItem item            int id   item getItemId             if   id    android R id home                 finish                return true                     return super onOptionsItemSelected item           Try this it works both on toolbar back button as hardware back button

User · Answer

if you use fragment u should use   getActivity   onBackPressed      if you use single activity u can use   finish

User · Answer

You have to use this in your MainActivity    Intent intent   new Intent context   yourActivity                intent setFlags Intent FLAG ACTIVITY NEW TASK  Intent FLAG ACTIVITY MULTIPLE TASK               context startActivity intent     The flag will start multiple tasks that will keep your MainActivity   when you call finish it will kill the other activity and get you back to the MainActivity

User · Answer

Finish closes the whole application  this is is something i hate in Android development not finish that is fine but that they do not keep up wit ok syntax they have   startActivity intent    Why not      closeActivity intent

User · Answer

Just don t call finish   on your MainActivity then this eliminates the need to Override your onBackPressed   in your SecondActivity unless you are doing other things in that function  If you feel the  need  for this back button then you can simply call finish   on the SecondActivity and that will take you to your MainActivity as long as you haven t called finish   on it

User · Answer

We encountered a very similar situation      Activity 1  Opening  -  Activity 2  Preview  -  Activity 3  Detail    Incorrect  on back press  Response    Device back press on Activity 3 will also close Activity 2    I have checked all answers posted above and none of them worked   Java syntax for transition between Activity 2 and Activity 3 was reviewed to be correct   Fresh from coding on calling out a 3rd party app  by an Activity   We decided to investigate the configuration angle - eventually enabling us to identify the root cause of the problem   Scope  Configuration of Activity 2  caller    Root Cause   android launchMode  singleInstance    Solution   android launchMode  singleTask    Apparently on this  on back press  issue singleInstance considers invoked Activities in one instance with the calling Activity  whereas singleTask will allow for invoked Activities having their own identity enough for the intended on back press to function to work as it should to

User · Answer

Button edit    Button  view findViewById R id yourButton   edit setOnClickListener new OnClickListener           Override     public void onClick View view            Intent intent   new Intent this  YourMainActivity class           startActivity intent           finish

User · Answer

When you click your button you can have it call   super onBackPressed

User · Answer

This closes the entire application   this finish

User · Answer

I believe your second activity is probably not linked to your main activity as a child activity  Check your AndroidManifest xml file and see if the  lt activity gt  entry for your child activity includes a android parentActivityName attribute  It should look something like this    lt  xml      gt       lt activity     android name   MainActivity          gt   lt  activity gt   lt activity     android name   ChildActivity      android parentActivityName   MainActivity          gt   lt  activity gt

User · Answer

getApplicationContext finish          Try this method

User · Answer

You can go back to the previous activity by just calling finish   in the activity you are on   Note any code after the finish   call will be run - you can just do a return after calling finish   to fix this    If you want to return results to activity one then when starting activity two you need   startActivityForResults myIntent  MY REQUEST CODE     Inside your called activity you can then get the Intent from the onCreate   parameter or used  getIntent      To set return a result to activity one then in activity two do  setResult Activity RESULT OK  MyIntentToReturn     If you have no intent to return then just say  setResult Activity RESULT OK     If the the activity has bad results you can use Activity RESULT CANCELED  this is used by default   Then in activity one you do  onActivityResult int requestCode  int resultCode  Intent data           Handle the logic for the requestCode  resultCode and data returned        To finish activity two use the same methods with finish   as described above with your results already set

[android] How to close activity and go back to previous activity in android

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