Android tablayout and toolbar

Adroid tablayout and toolbar

http://www.truiton.com/2015/06/android-tabs-example-fragments-viewpager/

Toolbar back button.

You can add your own 'up' button in toolbar, after all it is just a ViewGroup.

You can customize toolbar as much as you want, in your toolbar.xml, or wherever you have defined android.support.v7.widget.Toolbar in your layout add your 'up' button like given below :

   xmlns:android="http://schemas.android.com/apk/res/android"
   android:id="@+id/toolbar"
   android:minHeight="?attr/actionBarSize"
   android:layout_height="?attr/actionBarSize"
   android:background="@drawable/color_toolbar"
   android:layout_width="match_parent">

   
       android:id="@+id/upButton"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:onClick="uphandler"
       android:src="@drawable/backbutton"
       android:layout_gravity="end"/>

Now, define uphandler function in your activity to listen to this up button :

public void uphandler(View v){
       this.finish();    // This will kill current activity, and if previous activity is still opened in background, it will come in front.
}