How to go previous Activity by using back button

Question

I have created two activity i.e Activity A & Activity B ,if i clicked Next Button i.e in Activity A going to Activity B properly But when i click on back button i want to go from Activity B to Activity A and page swipe from left side to right side and on click next page swipe right to left,

here is my code

public void onBackPressed() {
    Intent intent = new Intent(ActivityB.this, Activity.class);
    startActivity(intent);
  finish();

Just use finish() no need for intent as A is already in stack and when you finish B, A will come to surface — Rachita Nanda, Dec 16 '15 at 07:13
Possible duplicate of [Android: Go back to previous activity](http://stackoverflow.com/questions/4038479/android-go-back-to-previous-activity) — Amit Basliyal, Dec 16 '15 at 07:52
@RachitaNanda i did used your way but after apply that if i click back button exit from app — Vishal, Dec 16 '15 at 08:11

score 1 · Answer 1 · edited May 23 '17 at 11:50

1

You can use only onBackPressed();

   public void onBackPressed() {

        super.onBackPressed();
    }

Android Overriding onBackPressed()

How to go previous Activity by using back button

edited May 23 '17 at 11:50

Community

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answered Dec 16 '15 at 07:16

IntelliJ Amiya

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I thinkno need to use finish(), If I click on back button from activity B. Activity A will be appear without use of finish(). Am I right? – Chirag Savsani Dec 16 '15 at 07:26
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@ChiragSavsani ji .Edited. Then `super.onBackPressed();` is safe – IntelliJ Amiya Dec 16 '15 at 07:29
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Ya this will also worked, But If you not override `onBackPressed()` method and click on backbutton that will also work. If first activity is exist. – Chirag Savsani Dec 16 '15 at 07:32
@ChiragSavsani Ji Agree Agree . – IntelliJ Amiya Dec 16 '15 at 07:34
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@ChiragSavsani i did add that code but after apply that if i click back button exit from app – Vishal Dec 16 '15 at 08:09
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@Vishal Then problem is in your Activity A, You may be finish Activity when you go to ActivityB. Post code of Activity A – Chirag Savsani Dec 16 '15 at 08:13
next.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(getApplicationContext(),ActivityB.class); startActivity(intent); finish(); } }); – Vishal Dec 16 '15 at 08:18

score 1 · Accepted Answer · answered Dec 16 '15 at 08:20

1

Just Remove finish() from Activity.

Because when you go to second activity and finish first activity, there is no any activity and stack.

So If you click back button from second activity, application will be finish if there is no Activity in stack.

You should use this Approach.

Ex.

In Activity.java

Intent first = new Intent(Activity.this,ActivityB.class);
startAcivity(first);
// Don't use finish() here.

In ActivityB.Java

Just click on built in back button.

or If you want to use your own back button.

Use finish(); in button click event.

answered Dec 16 '15 at 08:20

Chirag Savsani

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thanks this is very helpful for me ,thanks again @Chirag – Vishal Dec 16 '15 at 08:29
Welcome. Happy 2 help. – Chirag Savsani Dec 16 '15 at 08:30

score 0 · Answer 3 · answered Dec 16 '15 at 07:18

No need to put an intent and start a new activity that would take you to previous activity.

Just call 'finish()'

It would go back to previous activity as Android activities are stored in the activity stack

If you have other activities that are present in between the activites say if android stack is filled with Activity A>Activity C>Activity B,If you want to go to Activity A on finish of Activityy B then you have to set an intent flag like FLAG_ACTIVITY_REORDER_TO_FRONT or FLAG_ACTIVITY_PREVIOUS_IS_TOP

score 0 · Answer 4 · edited May 23 '17 at 11:45

0

Just use finish() no need for intent as A is already in stack and when you finish B, A will come to surface

 public void onBackPressed() {

        finish(); 

     }

Read this to learn more about android activity stack.

edited May 23 '17 at 11:45

Community

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answered Dec 16 '15 at 07:21

Rachita Nanda

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score 0 · Answer 5 · answered Dec 16 '15 at 07:23

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 public void onBackPressed() {
    // TODO Auto-generated method stub
        finish();
            super.onBackPressed();
}

answered Dec 16 '15 at 07:23

MurugananthamS

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i did add that code but after apply that if i click back button exit from app – Vishal Dec 16 '15 at 08:04
or put yourlayout.setVisibility(View.GONE); inside the onBackpressed @Vishal – MurugananthamS Dec 16 '15 at 08:10

How to go previous Activity by using back button

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