音乐播放器_20140702153506.zip

package com.gem.music; import java.util.ArrayList; import java.util.List; import com.gem.Utils.Music; import com.gem.music.R; import com.gem.tools.SetListDataForOur; import android.annotation.SuppressLint; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.media.AudioManager; import android.media.MediaPlayer; import android.media.MediaPlayer.OnCompletionListener; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.PowerManager; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.view.WindowManager; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.TextView; import android.widget.Toast; @SuppressLint({ "HandlerLeak", "ShowToast", "DefaultLocale" }) public class MusicActivity extends Activity implements OnSeekBarChangeListener, MediaPlayer.OnErrorListener, Runnable { public static MediaPlayer player = null; private TextView textName; private TextView textSinger; private TextView textStartTime; private TextView textEndTime; private SeekBar seekBar1; @SuppressWarnings("unused") private ImageView icon; private ImageButton imageBtnLast; private ImageButton imageBtnRewind; private ImageButton imageBtnPlay; private ImageButton imageBtnForward; private ImageButton imageBtnNext; private ImageButton imageBtnLoop; private ImageButton imageBtnRandom; private boolean isLoop = false; public static int _id = -1; @SuppressWarnings("unused") private int cruID = -1; private List<Music> lists; private AudioManager audioManager;// 音量管理者 private int maxVolume;// 最大音量 private int currentVolume;// 当前音量 private SeekBar seekBarVolume;// 进度条 private Cursor cursor; private Handler handler = new Handler() { @Override public void handleMessage(Message msg) { int position = msg.what;// 获取handler 跳转位置 int total = player.getDuration(); int progress = position * 100 / total; textStartTime.setText(toTime(position)); seekBar1.setProgress(progress); super.handleMessage(msg); } }; /***** * 该方法，调用的是，显示的时间的功能 * */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); setContentView(R.layout.music); textName = (TextView) this.findViewById(R.id.music_name); textSinger = (TextView) this.findViewById(R.id.music_singer); textStartTime = (TextView) this.findViewById(R.id.music_start_time); textEndTime = (TextView) this.findViewById(R.id.music_end_time); seekBar1 = (SeekBar) this.findViewById(R.id.music_seekBar); icon = (ImageView) this.findViewById(R.id.image_icon); imageBtnLast = (ImageButton) this.findViewById(R.id.music_lasted); imageBtnRewind = (ImageButton) this.findViewById(R.id.music_rewind); imageBtnPlay = (ImageButton) this.findViewById(R.id.music_play); imageBtnForward = (ImageButton) this.findViewById(R.id.music_foward); imageBtnNext = (ImageButton) this.findViewById(R.id.music_next); imageBtnLoop = (ImageButton) this.findViewById(R.id.music_loop); seekBarVolume = (SeekBar) this.findViewById(R.id.music_volume); imageBtnRandom = (ImageButton) this.findViewById(R.id.music_random); setListData(); imageBtnLast.setOnClickListener(new MyListener()); imageBtnRewind.setOnClickListener(new MyListener()); imageBtnPlay.setOnClickListener(new MyListener()); imageBtnForward.setOnClickListener(new MyListener()); imageBtnNext.setOnClickListener(new MyListener()); imageBtnLoop.setOnClickListener(new MyListener()); imageBtnRandom.setOnClickListener(new MyListener()); seekBar1.setOnSeekBarChangeListener(this);// 监听进度条时所用 audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);// 获得最大音量 currentVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);// 获得当前音量 seekBarVolume.setMax(maxVolume); seekBarVolume.setProgress(currentVolume); seekBarVolume.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { @Override public void onStopTrackingTouch(SeekBar seekBar) { } @Override public void onStartTrackingTouch(SeekBar seekBar) { } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, progress, AudioManager.FLAG_ALLOW_RINGER_MODES); } }); } @SuppressWarnings("deprecation") @Override protected void onStart() { // TODO Auto-generated method stub int id = getIntent().getIntExtra("id", 1); Music m = lists.get(id); SongsActivity.listMusic.add(m); textName.setText(m.getTitle()); textSinger.setText(m.getSinger()); textEndTime.setText(toTime((int) m.getTime())); imageBtnPlay.setImageResource(R.drawable.pause1); if (id != _id) { _id = id; if (player != null) { if (player.isPlaying()) { player.release(); player = null; } } String url = m.getUrl(); Uri myUri = Uri.parse(url); player = new MediaPlayer(); player.setAudioStreamType(AudioManager.STREAM_MUSIC); player.setWakeMode(this, PowerManager.PARTIAL_WAKE_LOCK); try { player.setDataSource(getApplicationContext(), myUri); player.prepare(); } catch (Exception e) { e.printStackTrace(); } player.start(); // PendingIntent主要持有的信息是它所包装的Intent和当前Application的Context, // 正由于PendingIntent中保存有当前Application的Context，使它赋予带他程序一种执行的Intent的能力， // 就算在执行时当前Application已经不存在了，也能通过存在PendingIntent里的Context照样执行Intent。 String ns = Context.NOTIFICATION_SERVICE; NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns);// 获取通知管理器 int icon = R.drawable.play1; CharSequence tickerText = "正在播放音乐 . . . "; long when = System.currentTimeMillis();// 通知发生的时间为系统当前时间 Notification notification = new Notification(icon, tickerText, when); Context context = getApplicationContext(); CharSequence contentTitle = "正在播放音乐 . . . "; CharSequence contentText = ""; Intent notificationIntent = new Intent(this, MainActivity.class); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);// 当点击消息时就会向系统发送openintent意图 notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent);// contentIntent,它是PendingIntent中最重要的一个参数，是为了发射意图 mNotificationManager.notify(1, notification); } if (player != null) { player.setOnCompletionListener(new OnCompletionListener() { @Override public void onCompletion(MediaPlayer mp) { // 下一首 player.reset(); if (isLoop == true) { _id = _id - 1; } forward(); } }); } new Thread(this).start(); super.onStart();// 调用当前 方法 } // 图片按钮功能区的实现 private class MyListener implements OnClickListener { @Override public void onClick(View v) { if (v == imageBtnLast) { // 第一首 player.release(); player = null; first();// 通过内部类实现 } else if (v == imageBtnRewind) { // 前一首 player