标签：
login
public class login extends Activity {
ImageView iv3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.login);
iv3=(ImageView) findViewById(R.id.iv3);
iv3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
Intent intent = new Intent();
intent.setClass(login.this,
com.anhui.music_player.view.register.class);
startActivity(intent); } }); }}
login.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:orientation="vertical" tools:context=".MainActivity" > <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <TextView android:layout_width="fill_parent" android:layout_height="50dp" android:layout_gravity="center_horizontal" android:text="用户登陆" android:textColor="#ffffff" android:background="#3399ff" android:textSize="25sp" android:gravity="center" /> </LinearLayout> <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingTop="35dp" android:orientation="vertical" > <EditText android:layout_width="fill_parent" android:layout_height="50dp" android:hint="用户名" /> </LinearLayout> <LinearLayout android:layout_width="fill_parent" android:layout_height="50dp" android:orientation="vertical" > <EditText android:layout_width="fill_parent" android:layout_height="wrap_content" android:hint="密码" android:paddingTop="15dp" /> </LinearLayout> <ImageView android:id="@+id/iv2" android:layout_width="match_parent" android:layout_height="50dp" android:src="@drawable/login" android:layout_marginTop="30dp" android:onClick="doClick" /> <ImageView android:id="@+id/iv3" android:layout_width="match_parent" android:layout_height="50dp" android:src="@drawable/register" android:layout_marginTop="12dp" android:onClick="doClick" /> <TextView android:layout_width="match_parent" android:layout_height="50dp" android:text="使用第三方登录:" android:layout_marginTop="30dp" android:textSize="25sp" /> <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingTop="22dp" android:orientation="horizontal" > <ImageView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:src="@drawable/login1" /> <ImageView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:src="@drawable/login2" /> </LinearLayout></LinearLayout>
PlayerService
public class PlayerService extends Service {
private MediaPlayer mediaPlayer; // 媒体播放器对象
private String path; // 音乐文件路径
private boolean isPause; // 暂停状态
private int current = 0; // 记录当前正在播放的音乐
private List<Music> mp3Infos; //存放Mp3Info对象的集合
private int status = 3; //播放状态，默认为顺序播放
private MyReceiver myReceiver; //自定义广播接收器
private int currentTime; //当前播放进度
private int duration; //播放长度
public static final String UPDATE_ACTION = "com.wwj.action.UPDATE_ACTION"; //更新动作
public static final String CTL_ACTION = "com.wwj.action.CTL_ACTION"; //控制动作
public static final String MUSIC_CURRENT = "com.wwj.action.MUSIC_CURRENT"; //当前音乐播放时间更新动作
public static final String MUSIC_DURATION = "com.wwj.action.MUSIC_DURATION";//新音乐长度更新动作
private Handler handler = new Handler() {
public void handleMessage(android.os.Message msg) {
if (msg.what == 1) {
if(mediaPlayer != null) {
currentTime = mediaPlayer.getCurrentPosition(); // 获取当前音乐播放的位置
Intent intent = new Intent();
intent.setAction(MUSIC_CURRENT);
intent.putExtra("currentTime", currentTime);
sendBroadcast(intent); // 给PlayerActivity发送广播
handler.sendEmptyMessageDelayed(1, 1000);
} } }; };
@Override
public void onCreate() {
super.onCreate();
Log.d("service", "service created");
mediaPlayer = new MediaPlayer();
mp3Infos =MusicList.getMusicData(this);
mediaPlayer.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp1) {
if (status == 1) { // 单曲循环
mediaPlayer.start();
}
else if (status == 2) { // 全部循环
current++;
if(current > mp3Infos.size() - 1) { //变为第一首的位置继续播放
current = 0;
}
} else if (status == 3) { // 顺序播放
current++; //下一首位置
if (current <= mp3Infos.size() - 1) {
Intent sendIntent = new Intent(UPDATE_ACTION);
sendIntent.putExtra("current", current);
sendBroadcast(sendIntent);
path = mp3Infos.get(current).getUrl();
play(0);
}else {
mediaPlayer.seekTo(0);
current = 0;
Intent sendIntent = new Intent(UPDATE_ACTION);
sendIntent.putExtra("current", current);
sendBroadcast(sendIntent);
}
} else if(status == 4) { //随机播放
current = getRandomIndex(mp3Infos.size() - 1);
System.out.println("currentIndex ->" + current);
Intent sendIntent = new Intent(UPDATE_ACTION);
sendIntent.putExtra("current", current);
sendBroadcast(sendIntent);
path = mp3Infos.get(current).getUrl();
play(0); } } });
myReceiver = new MyReceiver();
IntentFilter filter = new IntentFilter();
registerReceiver(myReceiver, filter); }
protected int getRandomIndex(int end) {
int index = (int) (Math.random() * end);
return index; }
@Override
public IBinder onBind(Intent arg0) {
return null; }
private void play(int currentTime) {
try {
mediaPlayer.reset();// 把各项参数恢复到初始状态
mediaPlayer.setDataSource(path);
mediaPlayer.prepare(); // 进行缓冲
mediaPlayer.setOnPreparedListener(new PreparedListener(currentTime));// 注册一个监听器
handler.sendEmptyMessage(1);
} catch (Exception e) {
e.printStackTrace(); } }
private void pause() {
if (mediaPlayer != null && mediaPlayer.isPlaying()) {
mediaPlayer.pause();
isPause = true; } }
private void resume() { if (isPause) {
mediaPlayer.start();
isPause = false; } }
private void previous() {
Intent sendIntent = new Intent(UPDATE_ACTION);
sendIntent.putExtra("current", current);
sendBroadcast(sendIntent);
play(0);
}
private void next() {
Intent sendIntent = new Intent(UPDATE_ACTION);
sendIntent.putExtra("current", current);
sendBroadcast(sendIntent);
play(0); }
private void stop() {
if (mediaPlayer != null) {
mediaPlayer.stop();
try {
mediaPlayer.prepare(); // 在调用stop后如果需要再次通过start进行播放,需要之前调用prepare函数
} catch (Exception e) {
e.printStackTrace(); } } }
@Override
public void onDestroy() {
if (mediaPlayer != null) {
mediaPlayer.stop();
mediaPlayer.release();
mediaPlayer = null; } }
private final class PreparedListener implements OnPreparedListener {
private int currentTime;
public PreparedListener(int currentTime) {
this.currentTime = currentTime; }
@Override
public void onPrepared(MediaPlayer mp) {
mediaPlayer.start(); // 开始播放
if (currentTime > 0) { // 如果音乐不是从头播放
mediaPlayer.seekTo(currentTime); }
Intent intent = new Intent();
intent.setAction(MUSIC_DURATION);
duration = mediaPlayer.getDuration();
intent.putExtra("duration", duration); //通过Intent来传递歌曲的总长度
sendBroadcast(intent); } }
public class MyReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
int control = intent.getIntExtra("control", -1);
switch (control) {
case 1: status = 1; // 将播放状态置为1表示：单曲循环 break;
case 2: status = 2; //将播放状态置为2表示：全部循环 break;
case 3: status = 3; //将播放状态置为3表示：顺序播放 break;
case 4: status = 4; //将播放状态置为4表示：随机播放 break; } } } }
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原文地址：http://my.oschina.net/u/1994482/blog/487158
