Add a vibration and a ringtone notification 진동, 링톤 알림 추가하기

Android 2019. 11. 24. 10:46 |
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Add a vibration and a ringtone notification to your android application.


<AndroidManifest.xml>

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    <uses-permission android:name="android.permission.VIBRATE"/>



<MainActivity.java>

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public class MainActivity extends AppCompatActivity {
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        Button button = findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Vibrator vibrator = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
 
                if (Build.VERSION.SDK_INT >= 26) {
                    vibrator.vibrate(VibrationEffect.createOneShot(1000, 10));
                    // - public static VibrationEffect createOneShot (long milliseconds, int amplitude)
                    // Create a one shot vibration. One shot vibrations will vibrate constantly for the specified period of time at the specified amplitude, and then stop.
                    // milliseconds long: The number of milliseconds to vibrate. This must be a positive number.
                    // amplitude int: The strength of the vibration. This must be a value between 1 and 255, or DEFAULT_AMPLITUDE.
                } else {
                    vibrator.vibrate(1000);
                    // Vibrate constantly for the specified period of time.
                    // This method was deprecated in API level 26. Use vibrate(android.os.VibrationEffect) instead.
                }
            }
        });
 
        Button button2 = findViewById(R.id.button2);
        button2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Uri uri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
                // - public static Uri getDefaultUri (int type)
                // Returns the Uri for the default ringtone of a particular type. Rather than returning the actual ringtone's sound Uri, this will return the symbolic Uri
                // which will resolved to the actual sound when played.
                // - public static final int TYPE_NOTIFICATION
                // Type that refers to sounds that are used for notifications.
                // Constant Value: 2 (0x00000002)
 
                Ringtone ringtone = RingtoneManager.getRingtone(getApplicationContext(), uri);
                // Returns a Ringtone for a given sound URI.
                // If the given URI cannot be opened for any reason, this method will attempt to fallback on another sound. If it cannot find any, it will return null.
 
                ringtone.play();
                // Plays the ringtone.
            }
        });
 
        Button button3 = findViewById(R.id.button3);
        button3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                MediaPlayer mediaPlayer = MediaPlayer.create(getApplicationContext(), R.raw.media);
                // Convenience method to create a MediaPlayer for a given resource id. On success, prepare() will already have been called and must not be called again.
                // When done with the MediaPlayer, you should call release(), to free the resources. If not released, too many MediaPlayer instances will result in an exception.
 
                mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
                    @Override
                    public void onCompletion(MediaPlayer mp) {
                        mp.release();
                        // Releases resources associated with this MediaPlayer object. It is considered good practice to call this method when you're done using the MediaPlayer.
                    }
                });
                // Interface definition for a callback to be invoked when playback of a media source has completed.
 
                mediaPlayer.start();
                // Starts or resumes playback. If playback had previously been paused, playback will continue from where it was paused. If playback had been stopped, or never
                // started before, playback will start at the beginning.
            }
        });
    }
}




Add a media file for MediaPlayer.


Run the app and click the buttons.


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