头文件
#import "UMSocial.h"
可以分享到各种平台UMShareToSina,UMShareToSms等等
//分享
[UMSocialSnsService presentSnsIconSheetView:self appKey:@"55bf7d1ee0f55a3ccc002b2c" shareText:@"OoO" shareImage:[UIImage imageNamed:@"Defaultretein1@2x"] shareToSnsNames:@[UMShareToSina,UMShareToSms] delegate:self];