[android-developers] How can I rotate an Image in different angles?

HI!

I have a png-picture in
ImageView rotatedimage = new ImageView ()

Is there a better way to rotate it in changing directions than the
following way? There I have to create a new picture for every new
rotating angle and add it to the layout:

Bitmap bitmap = BitmapFactory.decodeResource(getResources
(),R.drawable.frosch);
Matrix rotationMatrix = new Matrix();
rotationMatrix.setRotate(grad);

Bitmap rotatedbitmap = Bitmap.createBitmap(frogbitmap, 0, 0,
rotatedbitmap.getWidth(), rotatedbitmap.getHeight(), rotationMatrix,
true);

BitmapDrawable bmd = new BitmapDrawable(rotatedbitmap);

rotatedimage.setImageDrawable(bmd);

mtrx.postRotate(10);
rotatedimage.setImageMatrix(mtrx);

Greetings, Martin

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