活动指示灯不iphone
问题描述:
动画我有一个要求,即当用户点击提交登录屏幕上的按钮,我需要动画一个UIActivityIndicator
,但 - 使用下面的代码 - 这是不是动画:活动指示灯不iphone
-(IBAction)loginButtonAction:(id)sender {
[currenttextfield resignFirstResponder];
[self.spinner startAnimating];
BOOL valid=[self emailvalidate];
if(valid) {
if (!self.passwordstring.length ==0 && ![self.passwordstring isEqualToString:@" "] && ![self.passwordstring isEqualToString:nil] && !self.emailstring.length ==0 && ![self.emailstring isEqualToString:@" "] && ![self.emailstring isEqualToString:nil]) {
[self performSelectorOnMainThread:@selector(sendDetails) withObject:nil waitUntilDone:YES];
}
}
}
此方法首先调用EmailValidate返回BOOL
值。如果有效,发送详细信息方法被调用,我在调用存储库来检查值。完成后,我停止活动指示器。有谁知道如何解决上述问题?
答
如果您已经使用了界面生成器来进行Activity指示器,那么定义它的IBOutlet及其属性。
-(IBAction)loginButtonAction:(id)sender{
[currenttextfield resignFirstResponder];
[activityIndicator startAnimating];
BOOL valid=[self emailvalidate];
if(valid) {
if (!self.passwordstring.length ==0 && ![self.passwordstring isEqualToString:@" "] && ![self.passwordstring isEqualToString:nil] && !self.emailstring.length ==0 && ![self.emailstring isEqualToString:@" "] && ![self.emailstring isEqualToString:nil]) {
[self performSelectorOnMainThread:@selector(sendDetails) withObject:nil waitUntilDone:YES];
}
} }
检查您是否已将IBOutlet与指示器连接。 – rptwsthi 2013-02-15 11:48:08
是IBOUTLET连接?如果是,你检查了连接吗? – 2013-02-15 11:48:48
亚我已检查 – kishore 2013-02-15 11:50:52