How to Change phone Profile
//Construct object of Audio Manager AudioManager audMangr; audMangr= (AudioManager) getBaseContext().getSystemService(Context.AUDIO_SERVICE); //For Normal mode audMangr.setRingerMode(AudioManager.RINGER_MODE_NORMAL); //For Silent mode audMangr.setRingerMode(AudioManager.RINGER_MODE_SILENT); //For Vibrate mode audMangr.setRingerMode(AudioManager.RINGER_MODE_VIBRATE); source code Java class package com.silent; import android.app.Activity; import android.content.Context; import android.media.AudioManager; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; public class silentView extends Activity implements OnClickListener { /** Called when the activity is first created. */ Button btns; Button btng; AudioManager audMangr; TextView tv; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(save