Zdiv's Software Snippet: [Android] ActionBar Control

1. Set ActionBar Title

getActionBar().setTitle("ActionBar Title");

2. Set ActionBar SubTitle

1) show subtitle

getActionBar().setSubtitle("ActionBar Subtitle");

2) remove subtitle

getActionBar().setSubtitle(null);

3. Set ActionBar Icon

getActionBar().setIcon(R.drawable.icon);

4. Hide ActionBar

getActionBar().hide();

5. Show ActionBar

getActionBar().show();

MainActivity.java

package com.example.actionbar;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.View;

@SuppressLint("NewApi")
public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        getActionBar().setTitle("ActionBar Title");
        getActionBar().setSubtitle("ActionBar Subtitle");
    }

    public void onClickActionBarHide(View v) {
     getActionBar().hide();
    }
    
    public void onClickActionBarShow(View v) {
     getActionBar().show();
    }   
}

acctivity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <Button
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
        android:text="Hide ActionBar"
        android:onClick="onClickActionBarHide" />
    
    <Button
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
        android:text="Show ActionBar"
        android:onClick="onClickActionBarShow" />
    
</LinearLayout>