将指针显示为文本标签ios
我已经搜索了解析文档,但没有找到答案。我有一个user类,然后是player类(称为Junkballer)。在玩家类中,我的分数是一个数字。我试图在文本标签中显示每个玩家的分数 它只是显示零将指针显示为文本标签ios,ios,parse-platform,Ios,Parse Platform,我已经搜索了解析文档,但没有找到答案。我有一个user类,然后是player类(称为Junkballer)。在玩家类中,我的分数是一个数字。我试图在文本标签中显示每个玩家的分数 它只是显示零 -(void)viewWillAppear:(BOOL)animated { PFQuery *groundstrokeQuery = [PFQuery queryWithClassName:@"Junkballer"]; [groundstrokeQuery whereKey:@"gro
-(void)viewWillAppear:(BOOL)animated {
PFQuery *groundstrokeQuery = [PFQuery queryWithClassName:@"Junkballer"];
[groundstrokeQuery whereKey:@"groundstrokes" equalTo:[PFUser currentUser]];
//[groundstrokeQuery includeKey:@"groundstrokes"];
[groundstrokeQuery countObjectsInBackgroundWithBlock:^(int count, NSError *error) {
if (!error) {
// The count request succeeded. Log the count
NSLog(@"You have hit %d groundstrokes!", count);
self.groundStrokes.text = [NSString stringWithFormat:@"%d",count];
} else {
// The request failed
}
}];
}
你的调试器怎么说?也许计数总是零?0x292e9fb4:mov r0,r5听起来——从名字上看——好像完成块是在后台执行的。如果您将UI更新发送到主线程,该怎么办?是的,执行:dispatch_async(dispatch_get_main_queue(),^{/*您的UI代码*/});