Android之SurfaceView窗口/全屏播放

package com.FJICC.lzm;

import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.PixelFormat;
import android.media.AudioManager;
import android.app.AlertDialog;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.MediaController;
import android.widget.TextView;
import android.widget.Toast;

public class multimedia_player2 extends Activity implements SurfaceHolder.Callback{

   private MediaPlayer mMediaPlayer01;
   private SurfaceView mSurfaceView01;
   private SurfaceHolder mSurfaceHolder01;

   private ImageButton mPlay;
   private ImageButton mPause;
   private ImageButton mReset;
   private ImageButton mStop;

   private boolean bIsPaused = false;
   private boolean bIsReleased = true;
   private boolean bIsReset = false;
   private String strVideoPath = "";

@Override
protected void onCreate(Bundle savedInstanceState) {
  // TODO Auto-generated method stub
  super.onCreate(savedInstanceState);
  setContentView(R.layout.multimedia_player2);



  if(!checkSDCard())
     {
       /* 检测是否有SD卡*/
       mMakeTextToast
       (
         getResources().getText(R.string.str_err_nosd).toString(),
         true
       );
       };


       getWindow().setFormat(PixelFormat.UNKNOWN);

       /*获取用来显示视频SurfaceView */
       mSurfaceView01 = (SurfaceView) findViewById(R.id.surfaceView1);



       /* 获取SurfaceHolder控制 SurfaceView*/
       mSurfaceHolder01 = mSurfaceView01.getHolder();
       mSurfaceHolder01.addCallback(this);

       /*默认视频分辨率 176x144*/
       mSurfaceHolder01.setFixedSize(176,144);
       //设置.....
       mSurfaceHolder01.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);

       /*获取ImageButton的ID */
       mPlay = (ImageButton) findViewById(R.id.imageButton_start);
       mPause = (ImageButton) findViewById(R.id.imageButton_pause);
       mReset = (ImageButton) findViewById(R.id.imageButton_reset);
       mStop = (ImageButton) findViewById(R.id.imageButton_stop);

       mPlay.setEnabled(true);//初始状态开启播放按钮，其他的设置为false
          mPause.setEnabled(false);
          mReset.setEnabled(false);

       /*测试用播放视频*/
strVideoPath = "file:///sdcard/DCIM/test.mp4";

mPlay.setOnClickListener(new ImageButton.OnClickListener()
     {
       public void onClick(View view)
       {
         /*启动Function */
         if(checkSDCard())
         {
         if(bIsReleased == true){
         showDialog(0);
         playVideo(strVideoPath);
         }
         else if(bIsReset == true){
         // mMediaPlayer01.start();
           bIsReset = false;
         }
         mPlay.setEnabled(false);
         mPause.setEnabled(true);
         mReset.setEnabled(true);
         }
       }
     });

     /*暂停 */
     mPause.setOnClickListener(new ImageButton.OnClickListener()
     {
       public void onClick(View view)
       {
         if(checkSDCard())
         {
           if (mMediaPlayer01 != null)
           {
             if(bIsReleased == false)
             {
               if(bIsPaused==false)
               {
                 mMediaPlayer01.pause();
                 bIsPaused = true;
                 mMakeTextToast("pause",true);
                // mTextView01.setText(R.string.str_pause);
               }
               else if(bIsPaused==true)
               {
                 mMediaPlayer01.start();
                 bIsPaused = false;
                 mMakeTextToast("start",true);
                // mTextView01.setText(R.string.str_play);
               }
             }
           }
         }
       }
     });

     /*复位重播*/
     mReset.setOnClickListener(new ImageButton.OnClickListener()
     {
       public void onClick(View view)
       {
         if(checkSDCard())
         {
           if(bIsReleased == false)
           {
             if (mMediaPlayer01 != null)
             {

             mMediaPlayer01.seekTo(0);//回到录像原点
             // 如果是暂停状态回到原点，那么回到原点后还是暂停的，需要点击暂停键继续播放
             //如果是播放的时候，点击复位播放，那么复位后自动是自动播放的。
             }
           }
         }
       }
     });

     /*关闭播放*/
     mStop.setOnClickListener(new ImageButton.OnClickListener()
     {
       public void onClick(View view)
       {
         if(checkSDCard())
         {
           if (mMediaPlayer01 != null)
           {
             if(bIsReleased==false)
             {
               mMediaPlayer01.stop();
               mMediaPlayer01.release();
               bIsReleased = true;
            // mMakeTextToast("["+mMediaPlayer01.toString()+"]",true);

               mPlay.setEnabled(true);//回到初始状态：开启播放按钮，其他的设置为false
               mPause.setEnabled(false);
               mReset.setEnabled(false);
             }
           }

         }
       }
     });
}
   /*播放视频函数*/
   private void playVideo(String strPath)
   {

    //DisplayMetircs 类可以很方便的获取分辨率     获取窗口的分辨率
    //这里获取窗口的大小
       DisplayMetrics metrics = new DisplayMetrics();
       getWindowManager().getDefaultDisplay().getMetrics(metrics);

     //设置Layout的参数
     LayoutParams lp = mSurfaceView01.getLayoutParams();
     lp.width = metrics.widthPixels/2;
     lp.height =metrics.heightPixels/2;
     mSurfaceView01.setLayoutParams(lp);

     mMediaPlayer01 = new MediaPlayer();
     mMediaPlayer01.setAudioStreamType(AudioManager.STREAM_MUSIC);


     /* */
     mMediaPlayer01.setDisplay(mSurfaceHolder01);

     try
     {
       mMediaPlayer01.setDataSource(strPath);
     }
     catch (Exception e)
     {
       // TODO Auto-generated catch block
     mMakeTextToast("setDataSource Exceeption:"+e.toString(),true);
     //mTextView01.setText("setDataSource Exceeption:"+e.toString());
       e.printStackTrace();
     }

     try
     {
       mMediaPlayer01.prepare();
     }
     catch (Exception e)
     {
       // TODO Auto-generated catch block
     mMakeTextToast("setDataSource Exceeption:"+e.toString(),true);
     //mTextView01.setText("prepare Exceeption:"+e.toString());
       e.printStackTrace();
     }

     mMediaPlayer01.start();
     bIsReleased = false;
     //mTextView01.setText(R.string.str_play);
     mMediaPlayer01.setOnCompletionListener(new MediaPlayer.OnCompletionListener()
     {
       @Override
       public void onCompletion(MediaPlayer arg0)
       {
         // TODO Auto-generated method stub
        mMakeTextToast("stop",true);
       // mTextView01.setText(R.string.str_stop);

        bIsPaused = true;//视频播放完毕了，就自动回到了0位置，并停止了。点击停止/继续即可播放。
       }
     });
   }

@Override
public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
// TODO Auto-generated method stub

}

@Override
public void surfaceCreated(SurfaceHolder arg0) {
  // TODO Auto-generated method stub

  //DisplayMetircs 类可以很方便的获取分辨率     获取窗口的分辨率
  //这里获取窗口的分辨率大小
       DisplayMetrics metrics = new DisplayMetrics();
       getWindowManager().getDefaultDisplay().getMetrics(metrics);

     //设置Layout的参数
     LayoutParams lp = mSurfaceView01.getLayoutParams();
     lp.width = metrics.widthPixels/2;
     lp.height =metrics.heightPixels/2;
     mSurfaceView01.setLayoutParams(lp);
}

@Override
@Deprecated
protected Dialog onCreateDialog(int id) {
  // TODO Auto-generated method stub

  final View v = View.inflate(this, R.layout.multimedia_set, null);
  final EditText videoPath = (EditText) v.findViewById(R.id.videoPath);
  switch(id){
  case 0:
  {
   Dialog dialog0 = new AlertDialog.Builder(this)
   .setTitle("播放文件")
   .setView(v).setMessage("请输入文件名:")
   .setPositiveButton("确定",
     new DialogInterface.OnClickListener() {
      @Override
      public void onClick(DialogInterface arg0, int arg1) {
       // 播放本地视频
             //视频文件放置在SD卡下的DCIM目录下，这里设置为默认路径
             //resetVideo();//重头播放，这个可以在播放完了后，执行，就可以实现循环播放了
       strVideoPath= "file:///sdcard/DCIM/"+videoPath.getText().toString();//此时只需输入文件名称如：test.3gp;
             setTitle("Playing" + strVideoPath);
      }
     }).create();
   return dialog0;
  }
  default:
   return null;

  }

}
@Override
public void surfaceDestroyed(SurfaceHolder arg0) {
  // TODO Auto-generated method stub

}

private boolean checkSDCard()
   {
     /* */
     if(android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED))
     {
       return true;
     }
     else
     {
       return false;
     }
   }

   public void mMakeTextToast(String str, boolean isLong)
   {
     if(isLong==true)
     {
       Toast.makeText(multimedia_player2.this, str, Toast.LENGTH_LONG).show();
     }
     else
     {
       Toast.makeText(multimedia_player2.this, str, Toast.LENGTH_SHORT).show();
     }
   }

//返回上一级Activity界面
@Override
public void onBackPressed() {
  // TODO Auto-generated method stub
  super.onBackPressed();
  Intent i =new Intent();
  i.setClass(multimedia_player2.this,multimedia.class);
  startActivity(i);
  finish();
}

}

<?xml version="1.0" encoding="UTF-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@drawable/android2_bg9"
     >

</RelativeLayout>

Android之SurfaceView窗口/全屏播放

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