安卓播放音乐视频

在res/asset目录下存储音频文件，这里处理多个点击事件，选择实现监听接口，在布局文件的view中要指定点击处理的方法。

public class MainActivity extends AppCompatActivity implements View.onClickListener {
    MediaPlayer mediaPlayer=new MediaPlayer();;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initPlayer();

    }

    private void initPlayer()  {
        AssetManager assets = getAssets();
        try {
            AssetFileDescriptor fd = assets.openFd("exam.mp3");
            mediaPlayer.setDataSource(fd);
            mediaPlayer.prepare();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.button1:
                mediaPlayer.start();
                break;
            case R.id.button2:
                mediaPlayer.pause();
                break;
            case R.id.button3:
                //这里重置mediaplayer后要重新加载资源
                mediaPlayer.reset();
                initPlayer();
                break;
        }
    }
}

public class MainActivity extends AppCompatActivity implements View.onClickListener {
    VideoView videoView;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Uri uri = Uri.parse("android.resource://" + getPackageName() + "/"+R.raw.video);
        videoView = (VideoView) findViewById(R.id.video);
        videoView.setVideoURI(uri);

    }
    @Override
    public void onClick(View v) {
        Log.d("mes", "onClick: "+v.getId());
        switch (v.getId()) {
            case R.id.play:
                if(!videoView.isPlaying()){
                    videoView.start();
                    videoView.requestFocus();
                }
                break;
            case R.id.pause:
                if(videoView.isPlaying())videoView.pause();
                break;
            case R.id.reset:
                if(videoView.isPlaying())videoView.resume();
                break;
        }

    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        videoView.suspend();
    }
}