Return back to MainActivity from another activity

Question

The MainActivity contains some buttons  Each button opens a new activity via an intent  These activities then have a button to return to the MainActivity via an intent   But when I press a button to return to the MainActivity  I get some sort of menu on the screen  Someone who knows what could be wrong  Preciate some help  Thanks   EDIT  The return button in one of the other activities   Button btnReturn1    Button  findViewById R id btnReturn1   btnReturn1 setOnClickListener new View OnClickListener               public void onClick View v               TODO Auto-generated method stub         Intent returnBtn   new Intent  android intent action MAIN            startActivity returnBtn               The Manifest    lt manifest xmlns android  http   schemas android com apk res android  package  com kullaberg test02  android versionCode  1  android versionName  1 0   gt    lt uses-sdk     android minSdkVersion  10      android targetSdkVersion  15    gt    lt application     android icon   drawable ic launcher      android label   string app name      android theme   style AppTheme   gt       lt activity         android name   MainActivity          android label   string title activity main   gt           lt intent-filter gt               lt action android name  android intent action MAIN    gt                lt category android name  android intent category LAUNCHER    gt           lt  intent-filter gt       lt  activity gt       lt activity         android name   Activity1          android label   string title activity main   gt           lt intent-filter gt               lt action android name  android intent action ACTIVITY001    gt                lt category android name  android intent category DEFAULT    gt           lt  intent-filter gt       lt  activity gt       lt activity         android name   Activity2          android label   string title activity main   gt           lt intent-filter gt               lt action android name  android intent action ACTIVITY002    gt                lt category android name  android intent category DEFAULT    gt           lt  intent-filter gt       lt  activity gt       lt activity         android name   Activity3          android label   string title activity main   gt           lt intent-filter gt               lt action android name  android intent action ACTIVITY003    gt                lt category android name  android intent category DEFAULT    gt           lt  intent-filter gt       lt  activity gt   lt  application gt

User · Accepted Answer

why don t you call finish     when you want to return to MainActivity     btnReturn1 setOnClickListener new View OnClickListener         public void onClick View v            finish

User · Answer

use   Intent returnBtn   new Intent getApplicationContext                        MainActivity class    startActivity returnBtn     make the main activity s launchmode to singleTask in Android Manifest if you don t want to create new one every time   android launchMode  singleTask

User · Answer

Here s why you saw the menu with the code you listed in your onClick method   You were creating an Intent with the constructor that takes a string for the action parameter of the Intent s IntentFilter  You passed  android intent action MAIN  as the argument to that constructor  which specifies that the Intent can be satisfied by any Activity with an IntentFilter including  lt action  android intent action MAIN  gt    When you called startActivity with that Intent  you effectively told the Android OS to go find an Activity  in any app installed on the system  that specifies the android intent action MAIN action  When there are multiple Activities that qualify  and there are in this case since every app will have a main Activity with an IntentFilter including the  android intent action MAIN  action   the OS presents a menu to let the user choose which app to use   As to the question of how to get back to your main activity  as with most things  it depends on the specifics of your app  While the accepted answer probably worked in your case  I don t think it s the best solution  and it s probably encouraging you to use a non-idiomatic UI in your Android app  If your Button s onClick   method contains only a call to finish   then you should most likely remove the Button from the UI and just let the user push the hardware software back button  which has the same functionality and is idiomatic for Android   You ll often see back Buttons used to emulate the behavior of an iOS UINavigationController navigationBar which is discouraged in Android apps    If your main activity launches a stack of Activities and you want to provide an easy way to get back to the main activity without repeatedly pressing the back button  then you want to call startActivity after setting the flag Intent FLAG ACTIVITY CLEAR TOP which will close all the Activities in the call stack which are above your main activity and bring your main activity to the top of the call stack  See below  assuming your main activity subclass is called MainActivity   btnReturn1 setOnClickListener new View OnClickListener         public void onClick View v            Intent i new Intent this  MainActivity class           i addFlags Intent FLAG ACTIVITY CLEAR TOP           startActivity i

User · Answer

Use this code on button click in activity and When return back to another activity just finish previous activity by setting flag in intent then put only one Activity in the Stack and destroy the previous one     Intent i new Intent  this   YourClassName Class      i addFlags Intent FLAG ACTIVITY CLEAR TOP     startActivity i

User · Answer

I m used it and worked perfectly      startActivity new Intent getApplicationContext   MainActivity class  setFlags Intent FLAG ACTIVITY CLEAR TOP       because Finish   use for 2 activities  not for multiple activities

User · Answer

This usually works as well      navigateUpTo new Intent getBaseContext    MainActivity class

User · Answer

instead of starting MainActivity again via startActivity  call finish   instead in the other activities to get back to MainActivity    as MainActivity is already in stack

User · Answer

I highly recommend reading the docs on the Intent FLAG ACTIVITY CLEAR TOP flag  Using it will not necessarily go back all the way to the first  main  activity  The flag will only remove all existing activities up to the activity class given in the Intent  This is explained well in the docs   For example  consider a task consisting of the activities  A  B  C  D  If D calls startActivity   with an Intent that resolves to the component of activity B  then C and D will be finished and B receive the given Intent   resulting in the stack now being  A  B    Note that the activity can set to be moved to the foreground  i e   clearing all other activities on top of it   and then also being relaunched  or only get onNewIntent   method called   Source

[android] Return back to MainActivity from another activity

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