Android实际音乐播放的代码

/**
* Created by jiangxiangfei on 2015/12/21.
*/
public class PlayActivity extends BaseActivity implements MediaPlayer.OnCompletionListener, MediaPlayer.OnErrorListener {

private MediaPlayer player;
private boolean ispause=false;
private int progress;
private Timer timer;
//需要控件
private TextView tv_progress;
private TextView tv_max;
private SeekBar seek;
private ImageView music_paly_orpause;
private TextView tv_marquee;
private ImageView iv_play_center_photo;
private RoundedImageView iv_teacher_head;
private TextView tv_teacher_name;
private TextView tv_class_category;
private TextView tv_class_title;
private ImageView play_loading_iv;
private RotateAnimation rotateAnimation;
private TextView paly_grade_tv;
private TextView paly_islike_tv;
private LinearLayout play_isor_like_group;
private CheckBox play_checkbox;

//上页传参
private String title;
private String categoryName;
private String pictureUrlSmall;
private int initCurrentposition;
private String url;
private double score;
private int thumbsCount;
private int isThumbs;
private int teacherId;

private int itemposition;
private String portraitUrlSmall;
private String nickname;
private ArrayList<MusicLesson> lessons;
private TelephonyManager manager;
private MyListener listener;

//标记是否是空闲状态
private boolean isCallIdle=true;
//广播
private BroadcastReceiver myNetReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)){
ConnectivityManager mConnectivity = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = mConnectivity.getActiveNetworkInfo();
if (info == null || !mConnectivity.getBackgroundDataSetting()) {
Log.e("jxf", "没网");
DefinedSingleToast.showToast(PlayActivity.this,getResources().getString(R.string.network_no_force));
}
}
}
};

Handler handler = new Handler(){
public void handleMessage(android.os.Message msg) {
Bundle bundle = msg.getData();
int duration = bundle.getInt("duration");
int currentPosition = bundle.getInt("currentPosition");
progress=currentPosition;
seek.setMax(duration);
tv_max.setText(trans(duration));
seek.setProgress(progress);
tv_progress.setText(trans(progress));
}
};

private String trans(int haomiao){
int miaoZong=haomiao/1000;
int miao=miaoZong%60;
String miaoString = null;
if (miao<10){
miaoString="0"+miao;
}
else{
miaoString=""+miao;
}
int fen=(miaoZong-miao)/60;
String fenString = null;
if (fen<10){
fenString="0"+fen;
}
else {
fenString=""+fen;
}
return fenString+":"+miaoString;
}

@Override
protected void initView() {
IntentFilter mFilter = new IntentFilter();
mFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
registerReceiver(myNetReceiver, mFilter);

Bundle bundle = getIntent().getExtras();
portraitUrlSmall=bundle.getString("portraitUrlSmall");
nickname=bundle.getString("nickname");
itemposition=bundle.getInt("itemposition");
score=bundle.getDouble("score");
thumbsCount=bundle.getInt("thumbsCount");
isThumbs=bundle.getInt("isThumbs");
teacherId=bundle.getInt("teacherId");
lessons= (ArrayList<MusicLesson>) getIntent().getSerializableExtra("list");
title=lessons.get(itemposition).title;
categoryName=lessons.get(itemposition).categoryName;
pictureUrlSmall=lessons.get(itemposition).pictureUrlSmall;
url=lessons.get(itemposition).url;
initCurrentposition=lessons.get(itemposition).currentposition;
progress=initCurrentposition;

//评分
paly_grade_tv= (TextView) findViewById(R.id.paly_grade_tv);
paly_grade_tv.setText(""+score);
//点赞数
paly_islike_tv= (TextView) findViewById(R.id.paly_islike_tv);
paly_islike_tv.setText(""+thumbsCount);
//点赞的容器
play_isor_like_group= (LinearLayout) findViewById(R.id.play_isor_like_group);
//点赞的checkbox
play_checkbox= (CheckBox) findViewById(R.id.play_checkbox);
//0表示可以点赞
if (isThumbs==0){
play_isor_like_group.setEnabled(true);
play_checkbox.setChecked(false);
}
else{
play_isor_like_group.setEnabled(false);
play_checkbox.setChecked(true);
}
play_isor_like_group.setOnClickListener(this);
RelativeLayout pre= (RelativeLayout) findViewById(R.id.pre);
pre.setOnClickListener(this);
RelativeLayout next= (RelativeLayout) findViewById(R.id.next);
next.setOnClickListener(this);
ImageView iv_goback= (ImageView) findViewById(R.id.iv_goback);
iv_goback.setOnClickListener(this);
play_loading_iv= (ImageView) findViewById(R.id.play_loading_iv);
rotateAnimation = (RotateAnimation) AnimationUtils.loadAnimation(this, R.anim.rotate_refresh_drawable_default);
play_loading_iv.setAnimation(rotateAnimation);
play_loading_iv.setVisibility(View.VISIBLE);
tv_marquee= (TextView) findViewById(R.id.tv_marquee);
iv_play_center_photo= (ImageView) findViewById(R.id.iv_play_center_photo);
music_paly_orpause= (ImageView) findViewById(R.id.music_paly_orpause);
tv_progress= (TextView) findViewById(R.id.tv_progress);
tv_max= (TextView) findViewById(R.id.tv_max);
seek= (SeekBar) findViewById(R.id.seek);
iv_teacher_head= (RoundedImageView) findViewById(R.id.iv_teacher_head);
ImageLoader.getInstance().displayImage(portraitUrlSmall, iv_teacher_head, ImageLoaderOptions.headOptions);
tv_teacher_name= (TextView) findViewById(R.id.tv_teacher_name);
tv_teacher_name.setText(nickname);
tv_class_category= (TextView) findViewById(R.id.tv_class_category);
tv_class_title= (TextView) findViewById(R.id.tv_class_title);
tv_marquee.setText(title);
ImageLoader.getInstance().displayImage(pictureUrlSmall, iv_play_center_photo, ImageLoaderOptions.playRoundOption);
tv_class_category.setText(categoryName);
tv_class_title.setText(getResources().getString(R.string.play_front_content) + title);
seek.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (fromUser) {
progress = seekBar.getProgress();
Log.e("jxf", "seekbar进度改变：拖拽播放:进度到" + progress);
seekToplay(progress);
}
}

@Override
public void onStartTrackingTouch(SeekBar seekBar) {

}

@Override
public void onStopTrackingTouch(SeekBar seekBar) {

}
});

music_paly_orpause.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (ispause) {
continuePlay();
} else {
pause();
}
}

});
player=new MediaPlayer();
player.setOnCompletionListener(this);
player.setOnErrorListener(this);
player.setAudioStreamType(AudioManager.STREAM_MUSIC);
//获取电话管理器
manager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
listener=new MyListener();
//设置侦听监控电话状态
manager.listen(listener, PhoneStateListener.LISTEN_CALL_STATE);
play();
}

private void play() {
player.reset();
try {
player.setDataSource(url);
player.prepareAsync();
player.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
//异步准备完毕，此方法调用
@Override
public void onPrepared(MediaPlayer mp) {
Log.e("jxf", "准备完毕");
player.start();
addTimer();
if(progress!=0){
Log.e("jxf","progress不为0开始播放"+progress);
seekToplay(progress);
}
play_loading_iv.clearAnimation();
play_loading_iv.setVisibility(View.GONE);

}
});
} catch (Exception e) {
e.printStackTrace();
Log.e("jxf","play异常扑捉"+e.toString());
}
}

private void pause() {
//此位置是为电话监听准备的判断
if (player != null && player.isPlaying()) {
Log.e("jxf","pause：对象不为空；并且正在播放");
player.pause();
ispause = true;
music_paly_orpause.setImageResource(R.drawable.content_video_suspend);
}else{
Log.e("jxf","暂停走else");
}
}

private void continuePlay() {
if (player != null && (!player.isPlaying())) {
Log.e("jxf","continuePlay：对象不为空；并且已经暂停");
player.start();
ispause = false;
music_paly_orpause.setImageResource(R.drawable.content_video_suspend_display);
}else{
Log.e("jxf","continue走else");
}
}

private void callPause(){
if (player==null){
Log.e("jxf", "pause：对象为空");
}else{
Log.e("jxf","pause：对象不为空");
player.pause();
}
}

private void callContinue(){
//此位置是为电话监听准备的判断
if (player==null){
Log.e("jxf","continuePlay：对象为空");
}else{
Log.e("jxf","continuePlay：对象不为空");
player.start();
}
}

private void seekToplay(int progress) {
Log.e("jxf","改变进度");
player.seekTo(progress);
}

private void addTimer() {
if(timer == null){
timer = new Timer();
timer.schedule(new TimerTask() {
//此方法在子线程执行
@Override
public void run() {
int duration = player.getDuration();
int currentPosition = player.getCurrentPosition();
Message msg = handler.obtainMessage();
Bundle bundle = new Bundle();
bundle.putInt("duration", duration);
bundle.putInt("currentPosition", currentPosition);
msg.setData(bundle);
handler.sendMessage(msg);

}
}, 5, 500);
}
}

@Override
protected void onDestroy() {
super.onDestroy();
if(timer != null){
timer.cancel();
timer = null;
}
player.stop();
player.release();
player = null;
if(myNetReceiver!=null){
unregisterReceiver(myNetReceiver);
}
manager.listen(listener, PhoneStateListener.LISTEN_NONE);
if (manager!=null){
manager=null;
}
if (listener!=null){
listener=null;
}
handler.removeCallbacksAndMessages(null);
DefinedSingleToast.cancleToast();
System.gc();
Log.e("jxf", "play释放");
}

@Override
public void setContentLayout() {
setContentView(R.layout.activity_paly);
}

@Override
protected void onClickEvent(View view) {
switch (view.getId()){
case R.id.iv_goback:
Intent intent=new Intent();
intent.putExtra("progress",progress);
intent.putExtra("itemposition",itemposition);
this.setResult(510,intent);
PlayActivity.this.finish();
overridePendingTransition(R.anim.push_right_in, R.anim.push_right_out);
break;
case R.id.pre:
if (itemposition==0){
DefinedSingleToast.showToast(this,"到头啦~");
}else{
play_loading_iv.setAnimation(rotateAnimation);
play_loading_iv.setVisibility(View.VISIBLE);
itemposition=itemposition-1;
progress=0;
ispause=false;
music_paly_orpause.setImageResource(R.drawable.content_video_suspend_display);
refresh();
}
break;
case R.id.next:
if (itemposition==(lessons.size()-1)){
DefinedSingleToast.showToast(this,"到底啦~");
}else{
play_loading_iv.setAnimation(rotateAnimation);
play_loading_iv.setVisibility(View.VISIBLE);
itemposition=itemposition+1;
progress=0;
ispause=false;
music_paly_orpause.setImageResource(R.drawable.content_video_suspend_display);
refresh();
}
break;
}
}
//标记：切换上一首 下一首的时候  是不用更改点赞的
private void refresh(){
player.stop();
title=lessons.get(itemposition).title;
categoryName=lessons.get(itemposition).categoryName;
pictureUrlSmall=lessons.get(itemposition).pictureUrlSmall;
url=lessons.get(itemposition).url;
tv_marquee.setText(title);
ImageLoader.getInstance().displayImage(pictureUrlSmall, iv_play_center_photo, ImageLoaderOptions.playOption);
tv_class_category.setText(categoryName);
tv_class_title.setText(getResources().getString(R.string.play_front_content) + title);
tv_max.setText("");
tv_progress.setText("");
if(timer != null){
Log.e("jxf","计时器移除");
timer.cancel();
timer = null;
}
Log.e("jxf","调用play");
play();
}
@Override
public void onBackPressed() {
//super.onBackPressed();
Intent intent=new Intent();
intent.putExtra("progress",progress);
intent.putExtra("itemposition",itemposition);
this.setResult(510, intent);
PlayActivity.this.finish();
overridePendingTransition(R.anim.push_right_in, R.anim.push_right_out);
}

//添加boolean值做为判断:完成状态的进入：只有播放着进入才能出发监听：如果是暂停 拖拽进入 不会进入完成状态
@Override
public void onCompletion(MediaPlayer mp) {
//一首播放完毕 自动下一首
if (itemposition==(lessons.size()-1)){
player.pause();
ispause=true;
music_paly_orpause.setImageResource(R.drawable.content_video_suspend);

}else{
play_loading_iv.setAnimation(rotateAnimation);
play_loading_iv.setVisibility(View.VISIBLE);
itemposition=itemposition+1;
progress=0;
refresh();
}

}

@Override
public boolean onError(MediaPlayer mp, int what, int extra) {
Log.e("jxf","onErrorListener扑捉到:::what="+what+"...extra="+extra);
switch (what)
{
case MediaPlayer.MEDIA_INFO_UNKNOWN:
DefinedSingleToast.showToast(this,"MEDIA_INFO_UNKNOWN");
break;
case MediaPlayer.MEDIA_INFO_BAD_INTERLEAVING:
DefinedSingleToast.showToast(this,"MEDIA_INFO_BAD_INTERLEAVING");
break;
case MediaPlayer.MEDIA_INFO_METADATA_UPDATE:
DefinedSingleToast.showToast(this,"MEDIA_INFO_METADATA_UPDATE");
break;
case MediaPlayer.MEDIA_INFO_NOT_SEEKABLE:
DefinedSingleToast.showToast(this,"MEDIA_INFO_NOT_SEEKABLE");
break;
case MediaPlayer.MEDIA_INFO_VIDEO_TRACK_LAGGING:
DefinedSingleToast.showToast(this,"MEDIA_INFO_VIDEO_TRACK_LAGGING");
break;
}
return false;
}

//监控电话状态  空闲：平时 。 响铃 。摘机：接电话;挂了不接电话：进入空闲：使用服务：进入后台：启动服务

class MyListener extends PhoneStateListener {
@Override
public void onCallStateChanged(int state, String incomingNumber) {
super.onCallStateChanged(state, incomingNumber);
switch (state) {
case TelephonyManager.CALL_STATE_IDLE:
Log.e("jxf","空闲");
//如果已进入就是空闲：响铃和摘机都不是空闲状态
//接到电话后改变了
if (!isCallIdle){
if (ispause){
Log.e("jxf","来电返回：：：：之前就是暂停状态，不做任何处理");
}
else {
Log.e("jxf","来电返回：：：：之前就是播放状态，做处理");
callContinue();
}
}
isCallIdle=true;
break;
case TelephonyManager.CALL_STATE_RINGING:
Log.e("jxf", "响铃");
isCallIdle=false;
//                    ispause = true;
if (ispause){

}else {
callPause();
}

//                    music_paly_orpause.setImageResource(R.drawable.content_video_suspend);
break;
//                case TelephonyManager.CALL_STATE_OFFHOOK:
//                    Log.e("jxf", "摘机");
//                    isCallIdle=false;
//                    ispause = true;
//                    pause();
//                    music_paly_orpause.setImageResource(R.drawable.content_video_suspend);
//                    break;

}
}
}

}