nazmulidris

public class MyService extends Service{
    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        boolean containsCommand = MyIntentBuilder
            .containsCommand(intent);
        d(TAG,
          String.format(
              "Service in [%s] state. cmdId: [%d]. startId: [%d]",
              mServiceIsStarted ? "STARTED" : "NOT STARTED",
              containsCommand ? 

nazmulidris

@TargetApi(26)
    public static class O {
 
        public static final String CHANNEL_ID = 
            String.valueOf(getRandomNumber());
 
        public static void createNotification(Service context) {
            String channelId = createChannel(context);
            Notification notification = 
                buildNotification(context, channelId);

nazmulidris

@TargetApi(25)
    public static class PreO {
 
        public static void createNotification(Service context) {
            // Create Pending Intents.
            PendingIntent piLaunchMainActivity = 
                getLaunchActivityPI(context);
            PendingIntent piStopService = getStopServicePI(context);
 
            // Action to stop the service.

nazmulidris

public class MyIntentBuilder{
    public static MyIntentBuilder getInstance(Context context) {
        return new MyIntentBuilder(context);
    }
 
    public MyIntentBuilder(Context context) {
        this.mContext = context;
    }
 
    public MyIntentBuilder setMessage(String message) {

nazmulidris

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    // Support lib
    implementation 'com.android.support:appcompat-v7:27.0.2'

// Lifecycles
    implementation "android.arch.lifecycle:runtime:1.0.3"
    annotationProcessor "android.arch.lifecycle:compiler:1.0.0"
    implementation "android.arch.lifecycle:common-java8:1.0.0"

nazmulidris

class CounterLiveData extends MutableLiveData<Long> {
    public String toString() {
        return String.format("count=%d", getValue());
    }

    public Long get() {
        return getValue() == null ? 0L : getValue();
    }

    public void set(Long value) {

nazmulidris

class StateViewModel extends AndroidViewModel {
    private final ScheduledExecutorService myExecutor;
    private String mData; // This value doesn't change after it is initialized
    private CounterLiveData mCounter = new CounterLiveData(); // This value changes over time

    public StateViewModel(Application context) {
        super(context);
        myExecutor = Executors.newSingleThreadScheduledExecutor();
        myExecutor.scheduleWithFixedDelay(this::recurringTask, 0, 1, TimeUnit.SECONDS);
        Log.d(Tags.viewmodel.name(), "ViewModel constructor: created executor");

nazmulidris

public class MainActivity extends AppCompatActivity {
    private TextView dataTextView;
    private TextView counterTextView;
    private StateViewModel stateViewModel;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        dataTextView = findViewById(R.id.data_textview);

nazmulidris

private void initializeSeekBar() {
   mSeekBarAudio.setOnSeekBarChangeListener(
           new SeekBar.OnSeekBarChangeListener() {
               int userSelectedPosition = 0;

               @Override
               public void onStartTrackingTouch(SeekBar seekBar) {
                   mUserIsSeeking = true;
               }

nazmulidris

public interface PlayerAdapter {

   void loadMedia(int resourceId);

   void release();

   boolean isPlaying();

   void play();