android視頻播放的代碼

PlayvodActivity.java:

 

package com.zxn;

import android.app.Activity;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnBufferingUpdateListener;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.SurfaceHolder.Callback;
import android.widget.TextView;
import android.widget.Toast;

public class PlayvodActivity extends Activity implements Callback,
  MediaPlayer.OnPreparedListener, OnBufferingUpdateListener,
  OnCompletionListener
{
 /** Called when the activity is first created. */

 private TextView mTextView01;
 private MediaPlayer mMediaPlayer01;
 private SurfaceView mSurfaceView01;
 private SurfaceHolder mSurfaceHolder01;
 private String strVideoPath = "";
 private static final String TAG = "MediaPlayer";

 private int mVideoWidth;
 private int mVideoHeight;

    public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);

  if (!checkSDCard()) {
   /* 提醒User未安裝SD儲存卡 */
   mMakeTextToast(getResources().getText(R.string.str_err).toString(),
     true);
  }

  mTextView01 = (TextView) findViewById(R.id.myTextView1);

  mSurfaceView01 = (SurfaceView) findViewById(R.id.mSurfaceView1);
  mSurfaceHolder01 = mSurfaceView01.getHolder();
  mSurfaceHolder01.addCallback(this);

  // mSurfaceHolder01.setFixedSize(520, 220);
  mSurfaceHolder01.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    }

 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(PlayvodActivity.this, str, Toast.LENGTH_LONG).show();
  } else {
   Toast.makeText(PlayvodActivity.this, str, Toast.LENGTH_SHORT)
     .show();
  }
 }

 private void playVideo() {

  strVideoPath = "/sdcard/test.3gp";
  // strVideoPath = "/sdcard/VIDEO0008.3gp";

  mMediaPlayer01 = new MediaPlayer();
  try {
   mMediaPlayer01.setDataSource(strVideoPath);
  } catch (Exception e) {
   mTextView01.setText("setDataSource Exceeption:" + e.toString());
   e.printStackTrace();
  }

  mMediaPlayer01.setDisplay(mSurfaceHolder01);

  try {
   // mMediaPlayer01.prepare();
   mMediaPlayer01.prepareAsync();
  } catch (Exception e) {
   // TODO Auto-generated catch block
   mTextView01.setText("prepare Exceeption:" + e.toString());
   e.printStackTrace();
  }
  
  mMediaPlayer01.setOnBufferingUpdateListener(this);
  mMediaPlayer01.setOnCompletionListener(this);
  mMediaPlayer01.setOnPreparedListener(this);

  mMediaPlayer01.setAudioStreamType(AudioManager.STREAM_MUSIC);

 }

 @Override
 public void surfaceChanged(SurfaceHolder holder, int format, int width,
   int height) {
  // TODO Auto-generated method stub
  Log.i(TAG, "Surface Changed");
 }

 @Override
 public void surfaceCreated(SurfaceHolder holder) {
  // TODO Auto-generated method stub
  Log.i(TAG, "Surface Changed");
  playVideo();
 }

 @Override
 public void surfaceDestroyed(SurfaceHolder holder) {
  // TODO Auto-generated method stub
  Log.i(TAG, "Surface Destroyed");
  super.onDestroy();
  if (mMediaPlayer01 != null) {
   mMediaPlayer01.release();
   mMediaPlayer01 = null;
  }

 }

 @Override
 public void onPrepared(MediaPlayer mp) {
  // TODO Auto-generated method stub

  Log.v(TAG, "onPrepared called");

  mVideoWidth = mMediaPlayer01.getVideoWidth();
  mVideoHeight = mMediaPlayer01.getVideoHeight();
  if (mVideoWidth != 0 && mVideoHeight != 0)
  {
   /* 設定視頻的寬度和高度 */
   mSurfaceHolder01.setFixedSize(mVideoWidth, mVideoHeight);
   /* 開始播放 */
   mMediaPlayer01.start();
   mTextView01.setText(R.string.str_play);
  }
 }

 @Override
 public void onBufferingUpdate(MediaPlayer mp, int percent) {
  // TODO Auto-generated method stub
  
 }

 @Override
 public void onCompletion(MediaPlayer mp) {
  // TODO Auto-generated method stub
  
 }
}

 

main.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
  <TextView
    android:id="@+id/myTextView1"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:textColor="@drawable/blue"
    android:text="@string/hello"
  />
  <SurfaceView
    android:id="@+id/mSurfaceView1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">
  </SurfaceView>
 
  />
</LinearLayout>

 

color.xml:

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <drawable name="blue">#0000FF</drawable>
</resources>

 

strings.xml:

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello World, PlayvodActivity!</string>
    <string name="app_name">Playvod</string>
    <string name="str_err">※未發現SD卡※</string>
    <string name="str_play">播放影片中</string>
</resources>

 

注意：將音樂放在SD卡裡面.