Add video for VideoView demo

Add one of the CTS test videos so the demo works out of the box, and
make the video fill the screen instead of hardcoding it to a tiny size.

Change-Id: Ie26a4ae0e186fe966d0679b088492a0c7d035713

samples/ApiDemos/src/com/example/android/apis/media/VideoViewDemo.java

@@ -18,6 +18,7 @@ package com.example.android.apis.media;
 
 import com.example.android.apis.R;
 import android.app.Activity;
+import android.net.Uri;
 import android.os.Bundle;
 import android.widget.MediaController;
 import android.widget.Toast;
@@ -29,7 +30,6 @@ public class VideoViewDemo extends Activity {
      * TODO: Set the path variable to a streaming video URL or a local media
      * file path.
      */
-    private String path = "";
     private VideoView mVideoView;
 
     @Override
@@ -38,24 +38,14 @@ public class VideoViewDemo extends Activity {
         setContentView(R.layout.videoview);
         mVideoView = (VideoView) findViewById(R.id.surface_view);
 
-        if (path == "") {
-            // Tell the user to provide a media file URL/path.
-            Toast.makeText(
-                    VideoViewDemo.this,
-                    "Please edit VideoViewDemo Activity, and set path"
-                            + " variable to your media file URL/path",
-                    Toast.LENGTH_LONG).show();
 
-        } else {
+        /*
+         * Alternatively, you can use mVideoView.setVideoPath(<path>);
+         */
+        mVideoView.setVideoURI(Uri.parse("android.resource://" + getPackageName() +
+                "/" + R.raw.videoviewdemo));
+        mVideoView.setMediaController(new MediaController(this));
+        mVideoView.requestFocus();
 
-            /*
-             * Alternatively,for streaming media you can use
-             * mVideoView.setVideoURI(Uri.parse(URLstring));
-             */
-            mVideoView.setVideoPath(path);
-            mVideoView.setMediaController(new MediaController(this));
-            mVideoView.requestFocus();
-
-        }
     }
 }