获取资源文件:
public static 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);
}
回收bitmap
public static void recycle(Bitmap bmp){
if(bmp!=null&&!bmp.isRecycled() )
{
bmp.recycle(); //回收图片所占的内存
System.gc(); //提醒系统及时回收
}
}