Android 获取图片真实宽高

Resources res = mContext.getResources();
BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inJustDecodeBounds = true;
BitmapFactory.decodeResource(res, R.drawable.home_common_icon_default, opts);
opts.inSampleSize = 1;
opts.inJustDecodeBounds = false;

int w = opts.outWidth;
int h = opts.outHeight;
LogUtil.e("+++++++++++++++++++++++++++++++++++++++++++++++++:");
LogUtil.e("w:" + w);
LogUtil.e("h:" + h);
int width = DensityUtil.dip2px(mContext, w / 2);
int height = DensityUtil.dip2px(mContext, h / 2);
LogUtil.e("width:" + width);
LogUtil.e("height:" + height);
LogUtil.e("getDensity:" + DensityUtil.getDensity(mContext));
LogUtil.e("+++++++++++++++++++++++++++++++++++++++++++++++++:");