Problem in onItemSelected

soniya · by **soniya** » Mon Jan 28, 2008 1:35 pm

in A android.widget.Gallery - Example

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public class GalleryExample extends Activity AdapterView.OnItemSelectedListener{
 
ImageView i;
 
    /** Called when the activity is first created. */
 
    @Override
 
    public void onCreate(Bundle icicle) {
 
        super.onCreate(icicle);
 
        setContentView(R.layout.main);
 
        /* Find the gallery defined in the main.xml
 
         * Apply a new (custom) ImageAdapter to it. */
 
  Gallery g = (Gallery) findViewById(R.id.image1);
 
                      g.setAdapter(new ImageAdapter(this));
 
 g.setOnItemSelectedListener(this);
 
    }
 
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and in getView method

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public View getView(int position, View convertView, ViewGroup parent) {
 
            ImageView i = new ImageView(this.myContext);
 
            i.setImageResource(this.myImageIds[position]);
 
            /* Image should be scaled as width/height are set. */
 
            i.setScaleType(ImageView.ScaleType.FIT_XY);
 
            /* Set the Width/Height of the ImageView. */
 
            i.setLayoutParams(new Gallery.LayoutParams(150, 150));
 
              i.setBackground(android.R.drawable.picture_frame);
 
            return i;
 
        }
 
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i want change background of selected image in onItemSelected method

i used

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public void onItemSelected(AdapterView parent, View v, int position, long id) {
 
         i.setBackground(android.R.drawable.panel_picture_frame_bg_pressed_blue  );
 
          invalidate();
 
}
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but don't change selected image background,change last two images background......how to change selected image background??

soniya · by **soniya** » Tue Jan 29, 2008 1:12 pm

i want change selected image background in OnitemSelected mehod...

rmeph · by **rmeph** » Wed Jan 30, 2008 12:41 pm

u use in onItemSelected method

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v.setBackground(android.R.drawable.panel_picture_frame_bg_pressed_blue); 
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may be it's work........

soniya · by **soniya** » Wed Jan 30, 2008 1:03 pm

thanks for reply.....actually i used two image in getview

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public View getView(int position, View convertView, ViewGroup parent) {
 
                        // TODO Auto-generated method stub
 
                        RelativeLayout ll = new RelativeLayout(mContext);
 
                        i = new ImageView(mContext);
 
                i.setImageResource(this.myImageIds[position]);
 
                    RelativeLayout.LayoutParams p1 = new RelativeLayout.LayoutParams(100,100);
 
            p1.setMargins(15, 0, 0, 0);
 
                ll.addView(i,p1);
 
                     ImageView i1 = new ImageView(mContext);
 
              i1.setImageResource(this.myImageIds[position]);
 
              RelativeLayout.LayoutParams p2 = new RelativeLayout.LayoutParams(
 
                  25,25);
 
          p2.setMargins(100, 200, 0, 0);
 
           ll.addView(i1,p2);
 
 return ll; 
 
                }
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when i used v.setbackground in itemselected method then it set background in both image i want set background only one image and only selected image....

Problem in onItemSelected

Problem in onItemSelected

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