Here is source code of the Program to Demonstrate Action Bar in Android. The program is successfully compiled and run on a Windows system using Eclipse Ide. The program output is also shown below.
The ActionBar is located right at the top of an activity. It displays the activity title, icon, actions etc which can trigger, additional views and other interactive items. It can also be used for navigation in your application.It is in initialized with the Oncreateoptionsmenu.
The ActionBar is located right at the top of an activity. It displays the activity title, icon, actions etc which can trigger, additional views and other interactive items. It can also be used for navigation in your application.It is in initialized with the Oncreateoptionsmenu.
MainActivity.java
package com.example.actionbar; import android.os.Bundle; import android.app.Activity; import android.view.Menu; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }
Activity_main.xml
<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello_world" /> </RelativeLayout>
menu.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android" > <item android:id="@+id/action_refresh" android:icon="@drawable/ic_launcher" android:orderInCategory="100" android:showAsAction="always" android:title="Refresh"/> <item android:id="@+id/action_settings" android:orderInCategory="100" android:showAsAction="never" android:title="@string/action_settings"/> </menu>
