title: Video Thumbnails
body: <p>i want to show Video Thumbnails in GridView</p>
  
  <pre><code>private void initVideosId() {
          try
          {
              //Here we set up a string array of the thumbnail ID column we want to get back
              String [] proj={_ID};
              // Now we create the cursor pointing to the external thumbnail store
              _cursor = managedQuery(_contentUri,
                      proj, // Which columns to return
                      null,       // WHERE clause; which rows to return (all rows)
                      null,       // WHERE clause selection arguments (none)
                      null); // Order-by clause (ascending by name)
              int count= _cursor.getCount();
              if(count==0)
                  showToast("meiyou");
              // We now get the column index of the thumbnail id
              _columnIndex = _cursor.getColumnIndex(_ID);
              //initialize 
              _videosId = new int[count];
              //move position to first element
              _cursor.moveToFirst();          
              for(int i=0;i&lt;count;i++)
              {           
                  int id = _cursor.getInt(_columnIndex);
                  //
                  _videosId[i]= id;
                  //
                  _cursor.moveToNext();
                  //
              }
          }catch(Exception ex)
          {
              showToast(ex.getMessage().toString());          
          }
  
      }
    public View getView(int position, View convertView, ViewGroup parent) 
      {
          ImageView imgVw= new ImageView(_context);;
          try
          {
              if(convertView!=null)
              {
                  imgVw= (ImageView) convertView;
              }
              imgVw.setImageBitmap(getImage(_videosId[position]));
              imgVw.setAdjustViewBounds(true);
              imgVw.setBackgroundColor(Color.WHITE);
              imgVw.setLayoutParams(new Gallery.LayoutParams(150, 100));
              imgVw.setPadding(5,5,5,5);
              imgVw.setScaleType(ImageView.ScaleType.FIT_CENTER);
          }
          catch(Exception ex)
          {
              System.out.println("StartActivity:getView()-135: ex " + ex.getClass() +", "+ ex.getMessage());
          }
          return imgVw;
      }
  
  
  private final static Uri MEDIA_EXTERNAL_CONTENT_URI = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
      private final static String _ID = MediaStore.Video.Media._ID;
      private final static String MEDIA_DATA = MediaStore.Video.Media.DATA;
  but the result is : called showToast("meiyou");
  </code></pre>
  
  <p>i want to know if analog machine cannot have Video Thumbnails?if yes how to insert Video Thumbnails so that i can debug.anf give me:: </p>
  
  <pre><code>ERROR/AndroidRuntime(290):java.lang.ClassCastException:android.widget.AbsListView$LayoutParams
  ERROR/AndroidRuntime(290):at android.widget.Gallery.setUpChild(Gallery.java:769)
   ERROR/AndroidRuntime(290): at android.widget.Gallery.makeAndAddView(Gallery.java:738)
  ERROR/AndroidRuntime(290):     at android.widget.Gallery.layout(Gallery.java:622)
  ERROR/AndroidRuntime(290): at android.widget.Gallery.onLayout(Gallery.java:336)
   ERROR/AndroidRuntime(290):     at android.view.View.layout(View.java:7035)
  ERROR/AndroidRuntime(290):     at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1249)
   ERROR/AndroidRuntime(290):     at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1125)
  : ERROR/AndroidRuntime(290):     at android.widget.LinearLayout.onLayout(LinearLayout.java:1042)
  : ERROR/AndroidRuntime(290):     at android.view.View.layout(View.java:7035)
   ERROR/AndroidRuntime(290):     at android.widget.FrameLayout.onLayout(FrameLayout.java:333)
  </code></pre>