/**
* 以最省内存的方式读取本地资源的图片
*
* @param context
* @param resId
* @return
*/
private Bitmap readBitMap(Context context, int resId) {
BitmapFactory.Options opt = new BitmapFactory.Options();
opt.inPreferredConfig = Bitmap.Config.RGB_565;
opt.inPurgeable = true;
opt.inInputShareable = true;
// 获取资源图片
InputStream is = context.getResources().openRawResource(resId);
return BitmapFactory.decodeStream(is, null, opt);
}
先保存,还没测试