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Back Button In Android

Example

1. MainActivity
2. SecondActivity

1. Add a button on MainActivity with the text ‘Navigate’. On click of Navigate button, add the following code

public void Navigate(View view) {
    Intent i = new Intent(getApplicationContext(), SecondActivity.class);
    startActivity(i);
}




2. In AndroidManifest.xml, add the following code in SecondActivity

<activity android:name=".SecondActivity" android:parentActivityName=".MainActivity" >
	<meta-data android:name="android.support.PARENT_ACTIVITY" android:value=".MainActivity"></meta-data>
</activity>