The size of app icons is 48x48 dp units. If you are drawing them at some different size, they will be blurry because you are scaling them from their designed size.
On Tue, Apr 19, 2011 at 8:59 PM, varinag gold <[email protected]> wrote: > > Hi, > > I am displaying a grid of icons of all the applications on my device > and I found after I resize them to be all same width and height they > appear on screen some what blurred or foggy . Also the Icon Text > looks blurred . I have put code snippet below that actually resizing > the icons. > > Please let me know if I am missing some thing to make them appear > sharp on screen. > > Thanks a lot. > varinag > ------------------------------------------------- > > if (!info.filtered) { > > int width = 42; > int height= 42; > > final int iconWidth = icon.getIntrinsicWidth(); > final int iconHeight = icon.getIntrinsicHeight(); > > if (icon instanceof PaintDrawable) { > PaintDrawable painter = (PaintDrawable) icon; > painter.setIntrinsicWidth(width); > painter.setIntrinsicHeight(height); > } > > if (width > 0 && height > 0 && (width < iconWidth || > height < iconHeight)) { > final float ratio = (float) iconWidth / iconHeight; > > if (iconWidth > iconHeight) { > height = (int) (width / ratio); > } else if (iconHeight > iconWidth) { > width = (int) (height * ratio); > } > > final Bitmap.Config c = > icon.getOpacity() != PixelFormat.OPAQUE ? > Bitmap.Config.ARGB_8888 : > Bitmap.Config.RGB_565; > // final Bitmap thumb = Bitmap.createBitmap(80, 80, c); > final Bitmap thumb = Bitmap.createBitmap(42, 42, c); > final Canvas canvas = new Canvas(thumb); > canvas.setDrawFilter(new > PaintFlagsDrawFilter(Paint.DITHER_FLAG, 0)); > // Copy the old bounds to restore them later > // If we were to do oldBounds = icon.getBounds(), > // the call to setBounds() that follows would > // change the same instance and we would lose the > // old bounds > mOldBounds.set(icon.getBounds()); > // icon.setBounds(0, 0, 80, 80); > icon.setBounds(0, 0, width, height); > icon.draw(canvas); > icon.setBounds(mOldBounds); > icon = info.icon = new BitmapDrawable(thumb); > info.filtered = true; > } > } > > > final TextView textView = (TextView) > convertView.findViewById(R.id.label); > textView.setCompoundDrawablesWithIntrinsicBounds(null, icon, > null, null); > textView.setText(info.title); > > return convertView; > } > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
