How to Set Ringer Mode, Vibrate Mode & Silent Mode Through AudioManager in Android

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How to Set Ringer Mode, Vibrate Mode & Silent Mode Through AudioManager in Android

Procedure

Start the Eclipse IDE.
Make an activity MainActivity.java.
Make a XML file activity_main.xml.
In XML file,3 Buttons should be there.
The code is given below.

MainActivity.java

package com.example.setringer;
import android.media.AudioManager;
import android.os.Bundle;
import android.provider.MediaStore.Audio;
import android.app.Activity;
import android.content.Context;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class MainActivity extends Activity {
Button b1, b2, b3;
AudioManager am;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
b1 = (Button) findViewById(R.id.button1);
b2 = (Button) findViewById(R.id.button2);
b3 = (Button) findViewById(R.id.button3);
am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
b1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
am.setRingerMode(0);
}
});
b2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
am.setRingerMode(1);
}
});
b3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
am.setRingerMode(3);
}
});
}
}

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:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/textView1"
android:layout_marginTop="78dp"
android:layout_toRightOf="@+id/textView1"
android:text="silent" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/button1"
android:layout_centerVertical="true"
android:text="vibrate" />
<Button
android:id="@+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/button2"
android:layout_below="@+id/button2"
android:layout_marginTop="30dp"
android:text="ringer" />
</RelativeLayout>

Output