Androidでローカルの動画を再生する

ポイント
(1)SurfaceView, SurfaceHolder.Callback, Mediaplayerを利用する
http://into.cocolog-nifty.com/pulog/2011/11/android041-1med.html
(2).mp4をres以下に保存する。エンコーディングはffmpegを使ってbaselineprofile?に変換しておく
http://stackoverflow.com/questions/14709447/android-play-local-video-with-mediaplayer
http://stackoverflow.com/questions/10849044/cant-play-mp4-video-in-my-android-app

ffmpeg -i yourfile.mp4 -c:v libx264 -profile:v baseline -level 1 yourfile_BaselineProfile.mp4

import android.app.Activity;
import android.graphics.PixelFormat;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.widget.Button;


public class MainActivity extends Activity implements SurfaceHolder.Callback{
    private SurfaceHolder holder;
    private SurfaceView surfaceView;
    private MediaPlayer mMediaPlayer = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button playBtn = (Button) findViewById(R.id.playBtn);
        getWindow().setFormat(PixelFormat.TRANSPARENT);
        surfaceView = (SurfaceView) findViewById(R.id.surfaceView);
        holder = surfaceView.getHolder();
        holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        holder.addCallback(this);
        playBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                try {
                    String path = "android.resource://" + getPackageName() + "/" + R.raw.baselineprofile;
                    mMediaPlayer = MediaPlayer.create(MainActivity.this, Uri.parse(path));
                    mMediaPlayer.setDisplay(holder);
                    mMediaPlayer.start();
                } catch (Exception e) {
                    android.util.Log.e("", e.toString());
                }
            }
        });

    }

    @Override
    public void surfaceCreated(SurfaceHolder surfaceHolder) {
    }

    @Override
    public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i1, int i2) {

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
        if(mMediaPlayer != null){
            mMediaPlayer.release();
            mMediaPlayer = null;
        }
    }
}