引用
/** * Bitmap转化为drawable * * @param bitmap * @return */ public static Drawable bitmap2Drawable(Bitmap bitmap) { return new BitmapDrawable(bitmap); } /** * Drawable 转 bitmap * * @param drawable * @return */ public static Bitmap drawable2Bitmap(Drawable drawable) { if (drawable instanceof BitmapDrawable) { return ((BitmapDrawable) drawable).getBitmap(); } else if (drawable instanceof NinePatchDrawable) { Bitmap bitmap = Bitmap .createBitmap( drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565); Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); drawable.draw(canvas); return bitmap; } else { return null; } }