Android多媒體播放功能的程式碼分析

Android多媒體播放代碼:

代碼如下

複製代碼

import android.app.Activity;  import android.os.Bundle;   import android.view.View;   import android.view.View.OnClickListener;  import android.widget.Button;   import android.widget.VideoView;  public class VideoPlayer extends Activity   {   /**   Called when the activity is first created.   */ @Override   public void onCreate(Bundle icicle)   {   super.onCreate(icicle);   setContentView(R.layout.main);   final VideoView w =(VideoView)findViewById(R.id.vdoplayer);   Button cmdload = (Button)this.findViewById(R.id.cmd_load);   cmdload.setOnClickListener(new OnClickListener()  {  public void onClick(View arg0)   {   // TODO Auto-generated method stub   w.setVideoPath("/sdcard/android/kongfu.mp4");   }  }  );  Button cmdplay = (Button)this.findViewById(R.id.cmd_play);  cmdplay.setOnClickListener(new OnClickListener()  {   public void onClick(View arg0)   {  // TODO Auto-generated method stub  w.start();  }   }  );   Button cmdpause = (Button)this.findViewById(R.id.cmd_pause);   cmdpause.setOnClickListener(new OnClickListener()  {   public void onClick(View arg0)   {   // TODO Auto-generated method stub   w.pause();  }   }   );   }

Android多媒體播放實現代碼:
xml檔案：

代碼如下

複製代碼

< ?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" > < Button android:id="@+id/cmd_load" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="load" /> < Button android:id="@+id/cmd_play" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Play" /> < Button android:id="@+id/cmd_pause" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="pause" /> < VideoView android:id="@+id/vdoplayer" android:layout_width="fill_parent" android:layout_height="300px" /> < /LinearLayout>