摘要：
IOSUIDatePicker用法：1 .h@interface ViewController :UIViewController{ UILabel *datelabell; UIDatePicker *datepicker;}@property (nonatomic,retain) IBOutlet UILabel *datelabel;@property (nomatomic,retain) IBOutlet UIDatePicker *datepicker;-(IBAction) dateChange:(id)sender;@end2. m a).@synthesize datelabe 阅读全文
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1 .h-(IBAction) buttonClick:(id)sender;2 .m-(IBAction) buttonClick:(id)sender{ UIButton *button=(UIButton *)sender; //UIButton *button[[UIButton alloc] init]]; NSString *title=[NSString stringWithFormat:@"Button tag is %d",button.tag]; NSString *message=[button currentTile]; UIAlertView *a 阅读全文
摘要：
UILabel:- (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. NSString *str=@"i am a string"; UIFont *_font=[UIFont fontWithName:@"Arial" size:50.0f]; CGSize labesize=[str sizeWithFont:_font]; UILabel *_label=[[UILabel 阅读全文