Home > Android, Development > Android scale drawable

Android scale drawable

Drawable scaledDrawable = getScaledDrawable(scaleLevel, scaleLevel, R.drawable.icon);

private Drawable getScaledDrawable(int newWidth, int newHeight, int id) {

Bitmap bitmap = BitmapFactory.decodeResource(this.getResources(), id);

Matrix matrix = new Matrix();
float scaleWidth = ((float) newWidth) / bitmap.getWidth();
float scaleHeight = ((float) newHeight) / bitmap.getHeight();
matrix.postScale(scaleWidth, scaleHeight);
Bitmap scaledBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);

return new BitmapDrawable(this.getResources(), scaledBitmap);
Categories: Android, Development
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