I am subclassing the ImageView class and adding to the Gallery View.
But, nothing seems to get drawn in the expected location; though I can
fling through the Gallery list. I added an image from a resource, and
it shows up correctly in the Gallery.
Any idea on why this may be happening?
Here is the code I am using:
public class CustomCanvas extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Gallery g = (Gallery) findViewById(R.id.gallery);
g.setAdapter(new ImageAdapter(this));
}
private class CustomImageView extends ImageView {
public CustomImageView(Context context) {
this(context, null);
}
public CustomImageView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public CustomImageView(Context context, AttributeSet attrs, int
defStyle) {
super(context, attrs, defStyle);
}
protected void onDraw(Canvas canvas)
{
canvas.drawColor(Color.BLUE);
}
}
private class ImageAdapter extends BaseAdapter{
public ImageAdapter(Context c) {
mContext = c;
}
public int getCount() {
return 2;
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup
parent) {
if (position == 1)
{
ImageView i = new ImageView(mContext);
i.setImageResource(R.drawable.icon);
return i;
}
else
{
CustomImageView w = new CustomImageView(mContext);
w.invalidate();
return w;
}
}
private Context mContext;
}
}
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