郑州app开发Android使用MediaPlayer播放视频实例。
布局代码有一个button和一个SurfaceView。因为布局简单,布局代码就不展示了。
package cn.xhhkj.music;
import androidx.appcompat.app.AppCompatActivity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import java.io.IOException;
public class MainActivity extends AppCompatActivity {
private MediaPlayer player;
private String path = "http://192.168.0.102/1.mp4";
private SurfaceHolder holder;
private SurfaceView surface;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
surface = findViewById(R.id.surface);
holder = surface.getHolder();
}
public void prepare(View view) {
player = new MediaPlayer();
try {
player.setDataSource(path);
player.prepareAsync();
player.setDisplay(holder);
player.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
mp.start();
}
});
} catch (Exception e) {
e.printStackTrace();
}
}
public void start(View view) {
if(player !=null){
if(player.isPlaying()){
player.pause();
}else{
player.start();
}
}
}
}
总结下,Android使用MediaPlayer播放视频比播放音乐多在这个步骤,holder = surface.getHolder();和player.prepareAsync();和player.setOnPreparedListener这几个步骤。