java制作仿微信视频播放控件

此控件继承自 surfaceview，利用 mediaplayer 播放视频。

小视频播放界面

movieplayerview.java

import java.io.ioexception;
import android.content.context;
import android.media.audiomanager;
import android.media.mediaplayer;
import android.media.mediaplayer.oncompletionlistener;
import android.util.attributeset;
import android.view.surfaceholder;
import android.view.surfaceholder.callback;
import android.view.surfaceview;
 
/**
 * 视频播放控件
*@author liuyinjun
 
* @date 2015-2-8
 */
public class movieplayerview extends surfaceview {
 
  private surfaceholder msurfaceholder;
  private mediaplayer mplayer;
   
  public movieplayerview(context context) {
    this(context, null);
  }
   
  public movieplayerview(context context, attributeset attrs) {
    this(context, attrs, 0);
  }
   
  public movieplayerview(context context, attributeset attrs, int defstyle) {
    super(context, attrs, defstyle);
     
    msurfaceholder = this.getholder();
    msurfaceholder.addcallback(msurfaceholdercallback); // holder加入回调接口
    msurfaceholder.settype(surfaceholder.surface_type_push_buffers);// settype必须设置，要不出错.
 
  }
   
  /**
   * 播放视频
   * @param filename 文件路径
   */
  public void play(string filename, final onplaycompletionlistener completionlistener) {
    mplayer = new mediaplayer();
    mplayer.setaudiostreamtype(audiomanager.stream_music);
    mplayer.setdisplay(msurfaceholder); // 定义一个surfaceview播放它
 
    mplayer.setoncompletionlistener(new oncompletionlistener() {
 
      @override
      public void oncompletion(mediaplayer arg0) {
        stop();
        if(completionlistener != null)
          completionlistener.onplaycompletion();
        // canvas.drawcolor(color.transparent,
        // porterduff.mode.clear);
      }
    });
 
    try {
      mplayer.setdatasource(filename);
      mplayer.prepare();
    } catch (illegalstateexception e) {
      // todo auto-generated catch block
      e.printstacktrace();
    } catch (ioexception e) {
      // todo auto-generated catch block
      e.printstacktrace();
    }
    mplayer.start();
  }
 
  private void stop() {
    if (mplayer != null) {
      mplayer.release();
      mplayer = null;
    }
  }
 
  /**
   * 释放资源
   */
  public void release() {
    if (mplayer != null) {
      mplayer.release();
      mplayer = null;
    }
  }
   
  private callback msurfaceholdercallback = new callback() {
 
    @override
    public void surfacedestroyed(surfaceholder arg0) {
      msurfaceholder = null;
    }
 
    @override
    public void surfacecreated(surfaceholder arg0) {
      // todo auto-generated method stub
      msurfaceholder = arg0;
    }
 
    @override
    public void surfacechanged(surfaceholder arg0, int arg1, int arg2,
        int arg3) {
      // todo auto-generated method stub
      msurfaceholder = arg0;
    }
  };
   
  /**
   * 播放成功回调
  *@author liuyinjun
   
  * @date 2015-2-9
   */
  public interface onplaycompletionlistener{
    public void onplaycompletion();
  }
 
}

以上所述就是本文的全部内容了，希望大家能够喜欢。