【MediaPlayer|MediaPlayer 实现播放,暂停,续播等功能】废话不多说,直接贴代码:
主代码:直接在主文件中写了功能,一般写在Service里面,这里只是个测试Demo
package com.example.androidmediaplayerdemos; import java.io.IOException; import android.media.AudioManager; import android.media.MediaPlayer; import android.media.MediaPlayer.OnCompletionListener; import android.media.MediaPlayer.OnSeekCompleteListener; import android.net.Uri; import android.os.Bundle; import android.app.Activity; import android.content.Context; import android.content.res.AssetFileDescriptor; import android.content.res.Resources; import android.util.Log; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class MainActivity extends Activity implements OnClickListener,OnCompletionListener{private static final String TAG = "Main"; private static boolean isBluetooth = false; private static MediaPlayer mp = null; private static MediaPlayer mpn = null; private static MediaPlayer mpnb = null; private static AudioManager mAudioManager; private static AssetFileDescriptor afd; private static Resources res; private static int mCurrentVolume; private static int mCurrentSysVolume; private Button mStart; private Button mPause; private Button mStop; private Button mRestart; private Button mSeek; private Button mInit; private static Context mContext; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mContext=this; mAudioManager = (AudioManager) this .getSystemService(Context.AUDIO_SERVICE); mStart=(Button)findViewById(R.id.player); mStart.setOnClickListener(this); mPause=(Button)findViewById(R.id.pause); mPause.setOnClickListener(this); mStop=(Button)findViewById(R.id.stop); mStop.setOnClickListener(this); mRestart=(Button)findViewById(R.id.restart); mRestart.setOnClickListener(this); mSeek=(Button)findViewById(R.id.seek); mSeek.setOnClickListener(this); mInit=(Button)findViewById(R.id.init); mInit.setOnClickListener(this); }@Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; }// notification public void InitPlayNotif(Context context, int id) throws IOException {stopNotif(); mpn = new MediaPlayer(); mAudioManager = (AudioManager) context .getSystemService(context.AUDIO_SERVICE); try {//mpn.setDataSource(context, ringtoneUri); res = context.getResources(); afd = res.openRawResourceFd(R.raw.shanhuhai); mpn.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength()); } catch (IllegalArgumentException e) { // TODO Auto-generated catch block // e.printStackTrace(); } catch (IllegalStateException e) { // TODO Auto-generated catch block // e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block // e.printStackTrace(); }/* * mAudioManager.setSpeakerphoneOn(false); mAudioManager.setRouting(AudioManager.MODE_NORMAL, AudioManager.ROUTE_EARPIECE, AudioManager.ROUTE_ALL); mAudioManager.setMode(AudioManager.MODE_IN_CALL); mpn.setAudioStreamType(AudioManager.STREAM_VOICE_CALL); mCurrentVolume = mAudioManager .getStreamVolume(AudioManager.STREAM_MUSIC); */Log.i(TAG, "notification volume : " + mCurrentVolume); mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, 5, 0); try { mpn.prepare(); } catch (IllegalStateException e) { // TODO Auto-generated catch block // e.printStackTrace(); }//mpn.start(); mpn.setOnSeekCompleteListener(new OnSeekCompleteListener(){@Override public void onSeekComplete(MediaPlayer arg0) { // TODO Auto-generated method stub Toast.makeText(mContext, "play completely !", Toast.LENGTH_SHORT).show(); }}); }public static void stopNotif() {try { if (mpn != null) { mpn.stop(); mpn.release(); mpn = null; } } catch (Exception e) {}}private void startPlayer(){if(mpn==null){ return; }try { try { mpn.prepare(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (IllegalStateException e) { // TODO Auto-generated catch block // e.printStackTrace(); }mpn.start(); }private void pausePlayer(){if(mpn==null){ return; }mpn.pause(); }private void restartPlayer(){if(mpn==null){ return; }mpn.start(); }private void seekPlayer(){if(mpn==null){ return; }mpn.seekTo(1000*60); mpn.setOnSeekCompleteListener(new OnSeekCompleteListener(){@Override public void onSeekComplete(MediaPlayer arg0) { // TODO Auto-generated method stubmpn.start(); }}); }private void stopPlayer(){if(mpn==null){ return; }stopNotif(); }private void initPlayer(){try { InitPlayNotif(this,0); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }}@Override public void onClick(View arg0) { // TODO Auto-generated method stub int id=arg0.getId(); switch(id){ case R.id.player: startPlayer(); break; case R.id.pause: pausePlayer(); break; case R.id.restart: restartPlayer(); break; case R.id.stop: stopPlayer(); break; case R.id.seek: seekPlayer(); break; case R.id.init: initPlayer(); break; default : break; }}@Override public void onCompletion(MediaPlayer arg0) { // TODO Auto-generated method stub}}
布局配置文件:随便丢了几个Button在里面:
音乐播放文件,我给的是jay的一首 "珊瑚海"
在res目录下新建raw文件夹,让后把mp3文件放到这个目录下即可,文件名为 "shanhuhai.mp3"
基本上就可以使用了,差不多了.
转载于:https://www.cnblogs.com/MMLoveMeMM/articles/4360761.html
