Android Open Source - wristband-android Music Player Fragment

From Project

License

The source code is released under:
The Artistic License 2.0 Copyright (c) 2014 Allan Pichardo Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed...
If you think the Android project wristband-android listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.nimo.wristband.fragments;
//ww w. j  a  v a  2s  . c  o m
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Fragment;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

import com.android.volley.RequestQueue;
import com.android.volley.toolbox.ImageLoader;
import com.android.volley.toolbox.NetworkImageView;
import com.android.volley.toolbox.Volley;
import com.nimo.wristband.R;
import com.nimo.wristband.net.BitmapLruCache;
import com.nimo.wristband.net.Show;
import com.nimo.wristband.service.WristbandPlayerService;
import com.nimo.wristband.service.WristbandPlayerService.PlaybackCallbacks;
import com.nimo.wristband.service.WristbandPlayerService.PlayerBinder;

public class MusicPlayerFragment extends Fragment implements ServiceConnection,
PlaybackCallbacks, OnClickListener,OnSeekBarChangeListener{

  private Context context;
  private WristbandPlayerService service;
  private Show show;
  private RequestQueue requestQueue;
  private ImageLoader imageLoader;
  private MusicPlayerCallbacks callback;

  private TextView bandText;
  private TextView albumText;
  private TextView titleText;
  private NetworkImageView smallCover;
  private ImageButton playButton;
  private ImageButton stopButton;
  private SeekBar seekBar;

  private boolean isBound = false;
  
  private int index = 0;
  
  public MusicPlayerFragment(){

  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    return inflater.inflate(R.layout.media_player, null);
  }

  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    context = getActivity();

    bandText = (TextView)getView().findViewById(R.id.bandText);
    albumText = (TextView)getView().findViewById(R.id.albumText);
    titleText = (TextView)getView().findViewById(R.id.titleText);
    smallCover = (NetworkImageView)getView().findViewById(R.id.smallCover);
    playButton = (ImageButton)getView().findViewById(R.id.playButton);
    stopButton = (ImageButton)getView().findViewById(R.id.stopButton);
    seekBar = (SeekBar)getView().findViewById(R.id.seekBar);

    requestQueue = Volley.newRequestQueue(context);
    imageLoader = new ImageLoader(requestQueue, new BitmapLruCache());

    playButton.setOnClickListener(this);
    stopButton.setOnClickListener(this);
    seekBar.setOnSeekBarChangeListener(this);

    seekBar.setMax(100);

    if(savedInstanceState != null){
      String s = savedInstanceState.getString(WristbandPlayerService.ARG_SHOW);
      JSONObject json = new JSONObject();
      try {
        json = new JSONObject(s);
      } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
      show = new Show(json);
      
    }
    
    smallCover.setOnClickListener(new OnClickListener() {
      
      @Override
      public void onClick(View v) {
        if(callback != null){
          callback.onIconClick();
        }
      }
    });
  }
  
  public void setMusicPlayerCallbacks(MusicPlayerCallbacks callback){
    this.callback = callback;
  }

  public void setShow(Show show){
    this.show = show;
    cue(true);
    if(callback != null){
      callback.onShowPlayer();
    }
  }
  
  public void setIndex(int index){
    this.index = index;
  }
  
  public int getIndex(){
    return this.index;
  }

  @Override
  public void onServiceConnected(ComponentName name, IBinder service) {
    PlayerBinder binder = (PlayerBinder) service;
    this.service = binder.getService();
    isBound = true;

    this.service.setPlaybackCallbacks(this);

    if(!this.service.isPlaying()){
      cue(true);
    }else{
      backToFront();
    }
  }

  @Override
  public void onServiceDisconnected(ComponentName name) {
    isBound = false;
  }

  @Override
  public void onPositionChange(int position, int duration) {
    float p = ((float)position/(float)duration);
    int percent = (int) (p * 100);
    seekBar.setProgress(percent);
  }

  @Override
  public void onPrepared() {
    service.play();
    //change play icon to pause icon
    playButton.setImageResource(android.R.drawable.ic_media_pause);
  }

  @Override
  public void onBufferingUpdate(int percent) {
    //seekBar.setMax(100);
    seekBar.setSecondaryProgress(percent);
  }

  @Override
  public void onCompleted() {
    stop();
  }

  private void stopService(){
    if (isBound) {
      getActivity().unbindService(this);
      isBound = false;
    }

    getActivity().stopService(new Intent(context,WristbandPlayerService.class));
  }

  @Override
  public void onClick(View v) {
    switch(v.getId()){
    case R.id.playButton:
      //play
      cue(false);
      break;
    case R.id.stopButton:
      //stop
      stop();
      break;
    }
  }

  private void stop(){
    if(service != null){
      if(service.isInitialized()){
        if(service.isPlaying()){
          service.stop();
          playButton.setImageResource(android.R.drawable.ic_media_play);
        }
      }

      stopService();
      seekBar.setProgress(0);
      seekBar.setSecondaryProgress(0);
      if(callback != null){
        callback.onHidePlayer();
      }
    }
  }

  private void cue(boolean newShow){
    if(show != null){
      if(service != null && service.isInitialized() && service.isPlaying() && !newShow){
        //should pause
        service.pause();
        playButton.setImageResource(android.R.drawable.ic_media_play);
      }else if(service != null && service.isInitialized() && !service.isPlaying() && !newShow){
        service.play();
        playButton.setImageResource(android.R.drawable.ic_media_pause);
      }else{
        //should get ready to play
        if(!isBound){
          //need to bind first
          Intent intent = new Intent(context,WristbandPlayerService.class);
          getActivity().bindService(intent,this,Context.BIND_AUTO_CREATE);
        }else{
          //already bound, give the service the new show
          service.cue(show);
        }

        bandText.setText(show.getBandName());
        albumText.setText(show.getAlbumTitle());
        titleText.setText(show.getTrackTitle());
        smallCover.setImageUrl(show.getSmallArtUrl(),imageLoader);
      }
    }
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    if(show != null){
      outState.putString(WristbandPlayerService.ARG_SHOW, show.toString());
    }
  }

  @Override
  public void onResume() {
    super.onResume();
    backToFront();
  }

  private void backToFront(){
    if(show != null){
      bandText.setText(show.getBandName());
      albumText.setText(show.getAlbumTitle());
      titleText.setText(show.getTrackTitle());
      smallCover.setImageUrl(show.getSmallArtUrl(),imageLoader);

      if(service.isPlaying()){
        if(!isBound){
          Intent intent = new Intent(context,WristbandPlayerService.class);
          getActivity().bindService(intent,this,Context.BIND_AUTO_CREATE);
        }
      }
    }
  }

  @Override
  public void onProgressChanged(SeekBar seekBar, int progress,
      boolean fromUser) {
    if(fromUser){
      if(service != null){
        int time = (int)(((float)progress / 100) * service.getDuration());
        service.seekTo(time);
      }else{
        seekBar.setProgress(0);
      }
    }
  }

  @Override
  public void onStartTrackingTouch(SeekBar seekBar) {
    // TODO Auto-generated method stub

  }

  @Override
  public void onStopTrackingTouch(SeekBar seekBar) {
    // TODO Auto-generated method stub

  }
  
  public interface MusicPlayerCallbacks{
    public void onShowPlayer();
    public void onHidePlayer();
    public void onIconClick();
  }

}
Java Source Code List
