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import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;

public class MaskImageView extends ImageView {

public MaskImageView(Context context) {
super(context);
}

public MaskImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}

public MaskImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}

@Override
public void setImageBitmap(Bitmap bm) {
Drawable d = createStateDrawable(getContext(), new BitmapDrawable(getContext().getResources(), bm));
setImageDrawable(d);
}

public StateListDrawable createStateDrawable(Context context, Drawable normal) {
StateListDrawable drawable = new StateListDrawable();
drawable.addState(View.PRESSED_ENABLED_STATE_SET, createPressDrawable(normal));
drawable.addState(View.ENABLED_STATE_SET, normal);
drawable.addState(View.EMPTY_STATE_SET, normal);
return drawable;
}

public Drawable createPressDrawable(Drawable d) {
Bitmap bitmap = ((BitmapDrawable) d).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
Paint paint = new Paint();
paint.setColor(0x60000000);
RectF rect = new RectF(0, 0, bitmap.getWidth(), bitmap.getHeight());
new Canvas(bitmap).drawRoundRect(rect, 4, 4, paint);
return new BitmapDrawable(getContext().getResources(), bitmap);
}

}

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