/**
* 设置图片根据屏幕宽度进行等比例缩放
* @param imageView
*/
public static void setImageMatchScreenWidth(ImageView imageView){
BitmapDrawable bitmapDrawable = (BitmapDrawable) imageView.getDrawable();
if(bitmapDrawable == null)
return;
Bitmap bitmap = bitmapDrawable.getBitmap();
if(bitmap == null)
return;
int defaultWidth = AppUtil.catchDisplayWidth(imageView.getContext());
float scale = (float) defaultWidth / (float) bitmap.getWidth();
int defaultHeight = Math.round(bitmap.getHeight() * scale);
LayoutParams params = imageView.getLayoutParams();
params.width = defaultWidth;
params.height = defaultHeight;
imageView.setLayoutParams(params);
}