Actionbar Tutorials Part 05----Setting icons on the ActionBar and Listening action

April 09, 2014
ScreenShots:


download icons from this website : Icon Finder and store them in drawable folder.

activity_main.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
      >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello world..."
        android:textAppearance="?android:attr/textAppearanceLarge" />

</LinearLayout>

Under menu folder create main.xml file and insert following code.

main.xml:
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context="com.ram.demo.MainActivity" >

    <item
        android:id="@+id/item_lock"
        android:icon="@drawable/ii1"
        android:orderInCategory="100"
        android:title="lock"
        app:showAsAction="always"/>
    <item
        android:id="@+id/item_settings"
        android:icon="@drawable/ii2"
        android:orderInCategory="100"
        android:title="settings"
        app:showAsAction="always"/>
    <item
        android:id="@+id/item3_camera"
        android:icon="@drawable/ii3"
        android:orderInCategory="100"
        android:title="camera"
        app:showAsAction="always"/>

</menu>

MainActivity.java:
package com.ram.demo;

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // TODO Auto-generated method stub

        getMenuInflater().inflate(R.menu.main, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // TODO Auto-generated method stub

        switch (item.getItemId()) {
        case R.id.item_settings:
            Toast.makeText(getApplicationContext(), "settings selected",
                    Toast.LENGTH_LONG).show();
            break;

        case R.id.item_lock:
            Toast.makeText(getApplicationContext(), "lock selected",
                    Toast.LENGTH_LONG).show();
            break;
        case R.id.item3_camera:
            Toast.makeText(getApplicationContext(), "camera selected",
                    Toast.LENGTH_LONG).show();
            break;
        }

        return super.onOptionsItemSelected(item);
    }
}


AndroidManifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.ram.demo"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.ram.demo.MainActivity"
            android:label="@string/app_name"
            android:theme="@style/Theme.AppCompat.Light" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>


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