我在 ib 中创建了一个自定义 uialertview,带有两个按钮和一个文本字段。 然后我以这种方式创建一个 .h 和一个 .m:
#import <UIKit/UIKit.h>
@interface DialogWelcome : UIAlertView{
IBOutlet UITextField *text;
UIButton *ok;
UIButton *annulla;
}
@property(nonatomic,retain) UITextField *text;
- (IBAction)ok:(id)sender;
- (IBAction)annulla:(id)sender;
@end
和.m:
#import "DialogWelcome.h"
@implementation DialogWelcome
@synthesize text;
-(IBAction)ok:(id)sender{
}
-(IBAction)annulla:(id)sender{
}
@end
我还没有实现方法,因为首先我需要展示它! 我在 View Controller 中这样调用它:
- (void)viewDidLoad
{
[super viewDidLoad];
DialogWelcome *alert = [[DialogWelcome alloc] initWithTitle:@"Welcome"
message:nil
delegate:nil
cancelButtonTitle:nil
otherButtonTitles:nil];
[alert show];
dispatch_time_t delay = dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC*2.0);
dispatch_after(delay, dispatch_get_main_queue(), ^{
[alert dismissWithClickedButtonIndex:0 animated:YES];
});
[alert release];
}
这将显示一个带有标题的空普通 uialertview。为什么它不显示我的自定义 uialertview?
最佳答案
来自UIAlertView Class Reference :
The UIAlertView class is intended to be used as-is and does not support subclassing. The view hierarchy for this class is private and must not be modified.
因此,您尝试执行的操作是明确不允许的。
关于iphone - 如何显示在界面生成器中创建的自定义 uialertview,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/7871800/