我遇到了显示字符串的标签问题。字符串/标签问题
所以,基本上,我有一个功能- (void) didFinishUpdatesSuccessfully
。如果这个函数被调用,这意味着一个操作已经成功完成。它创建一个时间戳并将其存储到NSUserDefaults。这一切就像一个风情万种.. 这里的功能:
- (void) didFinishUpdatesSuccessfully {
// Create formatted date string
NSDate *currDate = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc]init];
[dateFormatter setDateFormat:@"dd/MM/YYYY - hh:mm:ss a"];
NSString *dateString = [dateFormatter stringFromDate:currDate];
NSMutableString* lastUpdated;
lastUpdated = [[NSMutableString stringWithFormat:@"%@",dateString] retain];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:lastUpdated forKey:@"lastUpdated"];
[defaults synchronize];
//--- Alert dialog
NSString *title;
title = @"All the latest hotspots have now been saved!";
UIAlertView *alert = [[UIAlertView alloc] initWithTitle: title
message: lastUpdated
delegate: nil
cancelButtonTitle: [FileUtils appResourceForKey:@"HOTSPOT_GENERAL_BUTTON_TITLE_OK"]
otherButtonTitles: nil];
// ------------------------
//Create label
UILabel *UpDLabel = [[UILabel alloc] initWithFrame:CGRectMake(50, 205, 250, 100)];
UpDLabel.backgroundColor = [UIColor clearColor]; // [UIColor brownColor];
UpDLabel.font = [UIFont fontWithName:@"Helvetica" size: 11.0];
UpDLabel.shadowColor = [UIColor whiteColor];
UpDLabel.shadowOffset = CGSizeMake(1,1);
UpDLabel.textColor = [UIColor blackColor];
UpDLabel.textAlignment = UITextAlignmentRight; // UITextAlignmentCenter, UITextAlignmentLeft
UpDLabel.lineBreakMode = UILineBreakModeWordWrap;
NSString *lupdate = [NSString stringWithFormat: @"Last Update: %@", lastUpdated];
UpDLabel.text = lupdate;
[self.view addSubview:UpDLabel];
[UpDLabel release];
// ------------------------
[dateFormatter release];
[lastUpdated release];
[alert show];
[alert release];
//--- remove indicator view
[self indicatorViewShow:NO];
}
正在显示的日期字符串的标签。它覆盖了自己,但似乎保留了以前的字符串,所以它看起来好像只是在前一个字符串上添加了另一个图层。或者换句话说,如果我执行3次- (void) didFinishUpdatesSuccessfully
它会显示3个日期字符串在彼此之上看起来被拧紧...
我在做什么错了?
干杯 月
这完美的作品。非常感谢。 – Jan
注意:我已将代码添加到我的viewDidLoad中。现在完美运作。再次感谢。 – Jan