聊聊视频播放那些事1

package com.example.administrator.videotest;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.graphics.SurfaceTexture;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.Surface;
import android.view.TextureView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;

public class Main2Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        StaticHolder.textureView = findViewById(R.id.tv);
        StaticHolder.textureView.setSurfaceTextureListener(new TextureView.SurfaceTextureListener() {
            @Override
            public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
                initMediaPlayer(new Surface(surface));
            }

            @Override
            public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {

            }

            @Override
            public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
                return false;
            }

            @Override
            public void onSurfaceTextureUpdated(SurfaceTexture surface) {

            }
        });


        Button button = findViewById(R.id.bt);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent i = new Intent(Main2Activity.this, Main3Activity.class);
                startActivity(i);
                ((ViewGroup) StaticHolder.textureView.getParent()).removeView(StaticHolder.textureView);
            }
        });
    }

    MediaPlayer mediaPlayer;

    @SuppressLint("NewApi")
    public void initMediaPlayer(Surface surface) {
        try {
            mediaPlayer = MediaPlyerHelper.getMediaPlayer();
            mediaPlayer.setSurface(surface);
            mediaPlayer.setOnBufferingUpdateListener(new MediaPlayer.OnBufferingUpdateListener() {
                @Override
                public void onBufferingUpdate(MediaPlayer mp, int percent) {

                }
            });
            mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
                @Override
                public void onCompletion(MediaPlayer mp) {
                    mp.start();
                }
            });
            mediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() {
                @Override
                public boolean onError(MediaPlayer mp, int what, int extra) {
                    return false;
                }
            });

            AssetFileDescriptor fileDescriptor = getAssets().openFd("sample.mp4");
            mediaPlayer.setDataSource(fileDescriptor);
            mediaPlayer.prepare();
            mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
                @Override
                public void onPrepared(MediaPlayer mp) {
                    mp.start();
                }
            });


        } catch (Exception e) {
            e.printStackTrace();
        }

    }
}

package com.example.administrator.videotest;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.RelativeLayout;

public class Main3Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main3);
        RelativeLayout rl = findViewById(R.id.rl);
        rl.addView(StaticHolder.textureView);
    }
}