고수님들 보시고 지적해주십시오..

public class hwcMain extends Activity {
    /** Called when the activity is first created. */

 private VideoView m_vv;
 private String DOWNLOAD_DIR;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
      //  setRequestedOrientation(LinearLayout.HORIZONTAL);
        MediaController mc;
        try {

         mc= new MediaController(this);
         //mc.setAnchorView(vv);
         m_vv = (VideoView) findViewById(R.id.video);
        
         DOWNLOAD_DIR =  Environment.getExternalStorageDirectory().getAbsolutePath();
        String path = new String().format("%s/test12.mp4", DOWNLOAD_DIR);
        Log.i("VideoView", "Local Path:" + path);
   
         Uri video = Uri.parse(path);
         m_vv.setMediaController(mc);
         m_vv.pause();
         m_vv.setVideoURI(video);
         m_vv.start();
 
        } catch(Exception e) {
           Log.e("vv", "Error ", e);
           e.printStackTrace();
       }
       
 
       m_vv.setOnCompletionListener(new OnCompletionListener() {
         public void onCompletion(MediaPlayer arg0) {
          finish();
         }
    });
  }


레이아웃 파일 내용입니다.
<?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">
              
   <RelativeLayout
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:id="@+id/frame">
         <VideoView
             android:id="@+id/video"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content" />
 
     </RelativeLayout>              
</LinearLayout>


매니패스트 파일 내용입니다.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="hwc.app"
      android:versionCode="1"
      android:versionName="1.0">
     
      <!-- android:theme="@android:style/Theme.Black.NoTitleBar" -->
    <application
     android:icon="@drawable/icon"
     android:label="@string/app_name"
     android:debuggable="true"
     >
     
        <activity android:name=".hwcMain"
                  android:label="@string/app_name"
                  android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
                  >
                 
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
           
        </activity>

    </application>
   
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.READ_CONTACTS" />
    <uses-permission android:name="android.permission.WRITE_CONTACTS" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.SET_WALLPAPER" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 <uses-permission android:name="android.permission.WAKE_LOCK" />
 
 <!--
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
 <USES-PERMISSION android:name="android.permission.RESTART_PACKAGES" />
 <uses-permission android:name="android.permission.CALL_PHONE" />
 <uses-permission android:name="android.permission.CALL_PRIVILEGED" />
  -->
    <uses-sdk android:minSdkVersion="7" />

</manifest> 

각기 /sdcard,   /mnt/sdcard  아래에 테스트 파일 넣어두었습니다.  빌드는 2.1 update 버전으로 빌드해 테스트했습니다.

뭐가 문제일까요??  2.1 에서는 잘돼는데.. ㅠㅠ