activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/rl" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="16dp" tools:context=".MainActivity" android:background="#9cbea0" > <TextView android:id="@+id/tv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="25dp" android:textColor="#000" android:padding="15dp" /> <Button android:id="@+id/btn_normal" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Ringer Mode Normal" android:layout_below="@id/tv" /> <Button android:id="@+id/btn_silent" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Ringer Mode Silent" android:layout_toRightOf="@id/btn_normal" android:layout_below="@id/tv" /> <Button android:id="@+id/btn_vibrate" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Ringer Mode Vibrate" android:layout_below="@id/tv" android:layout_toRightOf="@id/btn_silent" /> </RelativeLayout> MainActivity.java
package com.cfsuman.me.androidcode; import android.content.Context; import android.content.res.Resources; import android.media.AudioManager; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.RelativeLayout; import android.widget.TextView; public class MainActivity extends AppCompatActivity { private Context mContext; private Resources mResources; private RelativeLayout mRelativeLayout; private TextView mTextView; private Button mButtonNormal; private Button mButtonSilent; private Button mButtonVibrate; private AudioManager mAudioManager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Get the application context mContext = getApplicationContext(); // Get the Resources mResources = getResources(); // Get the widgets reference from XML layout mRelativeLayout = (RelativeLayout) findViewById(R.id.rl); mTextView = (TextView) findViewById(R.id.tv); mButtonNormal = (Button) findViewById(R.id.btn_normal); mButtonSilent = (Button) findViewById(R.id.btn_silent); mButtonVibrate = (Button) findViewById(R.id.btn_vibrate); /* public abstract Object getSystemService (String name) Return the handle to a system-level service by name. The class of the returned object varies by the requested name. */ /* AudioManager AudioManager provides access to volume and ringer mode control. Use Context.getSystemService(Context.AUDIO_SERVICE) to get an instance of this class. */ // Get an instance of AudioManager system service mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); // Get the device initial ringer mode mTextView.setText("Ringer Mode : " + getRingerModeString()); // Set a click listener for ringer mode normal button mButtonNormal.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { /* public void setRingerMode (int ringerMode) Sets the ringer mode. Silent mode will mute the volume and will not vibrate. Vibrate mode will mute the volume and vibrate. Normal mode will be audible and may vibrate according to user settings. This method has no effect if the device implements a fixed volume policy as indicated by isVolumeFixed(). Parameters ringerMode : The ringer mode, one of RINGER_MODE_NORMAL, RINGER_MODE_SILENT, or RINGER_MODE_VIBRATE. */ /* public boolean isVolumeFixed () Indicates if the device implements a fixed volume policy. Some devices may not have volume control and may operate at a fixed volume, and may not enable muting or changing the volume of audio streams. This method will return true on such devices. The following APIs have no effect when volume is fixed: adjustVolume(int, int) adjustSuggestedStreamVolume(int, int, int) adjustStreamVolume(int, int, int) setStreamVolume(int, int, int) setRingerMode(int) setStreamSolo(int, boolean) setStreamMute(int, boolean) */ // Set the ringer mode normal mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL); // Get the device ringer mode mTextView.setText("Ringer Mode : " + getRingerModeString()); } }); // Set a click listener for ringer mode silent button mButtonSilent.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { // Set the ringer mode silent mAudioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT); // Get the device ringer mode mTextView.setText("Ringer Mode : " + getRingerModeString()); } }); // Set a click listener for ringer mode vibrate button mButtonVibrate.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { // Set the ringer mode vibrate mAudioManager.setRingerMode(AudioManager.RINGER_MODE_VIBRATE); // Get the device ringer mode mTextView.setText("Ringer Mode : " + getRingerModeString()); } }); } // Custom method to get device ringer mode as string protected String getRingerModeString(){ /* public int getRingerMode () Returns the current ringtone mode. Returns The current ringtone mode, one of RINGER_MODE_NORMAL, RINGER_MODE_SILENT, or RINGER_MODE_VIBRATE. */ int modeConstantValue = mAudioManager.getRingerMode(); String ringerModeString = ""; if(modeConstantValue == 0){ /* public static selesai int RINGER_MODE_SILENT Ringer mode that will be silent and will not vibrate. (This overrides the vibrate setting.) Constant Value: 0 (0x00000000) */ ringerModeString = "Silent"; } else if(modeConstantValue == 1){ /* public static selesai int RINGER_MODE_VIBRATE Ringer mode that will be silent and will vibrate. (This will cause the phone ringer to always vibrate, but the notification vibrate to only vibrate if set.) Constant Value: 1 (0x00000001) */ ringerModeString = "Vibrate"; }else if(modeConstantValue == 2){ /* public static selesai int RINGER_MODE_NORMAL Ringer mode that may be audible and may vibrate. It will be audible if the volume before changing out of this mode was audible. It will vibrate if the vibrate setting is on. Constant Value: 2 (0x00000002) */ ringerModeString = "Normal"; } // Return the ringer mode as string return ringerModeString; } } 
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