Android: How to stop Android 1.6+ from scaling images

Question

I updated my build to build against Android 1.6, and now my bitmaps are scaled down on high density screens. I do NOT want this behavior. I gave this a shot:

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Answer 1

Wrapping the bitmap with a Drawable is the problem. The Drawable scales the Bitmap. Instead of using a Drawable, assign the Bitmap to the ImageView directly using imageView.setImageBitmap(Bitmap).

Answer 2

Using

new BitmapDrawable(this.getResources(), bmp); 

instead of

 new BitmapDrawable(bmp);

should solve the issue.

Answer 3

In order to have an image not scaled when loading it from a resource (e.g. with BitmapFactory.decodeResource) you have to locate it in res/drawable-nodpi instead of the usual drawable, drawable-ldpi and so on.

Answer 4

Use ImageView.ScaleType. The CENTER constant preforms no scaling, so I guess that's what you are looking for.

By the way, do you use pixels or dips as size units? Using dips (density-independent-pixels) is a means of standardizing display on multiple resolutions. You'll find a couple of tips here.