摘要：在- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions中添加如下测试：NSString* path = [[NSBundlemainBundle] pathForResource:@"textfile"ofType:@"txt"]; NSStringEncoding enc = NSUTF8StringEncoding; // this is a lie, so an error will r 阅读全文

摘要：添加Nav方法：在AppDelegate中.h文件@property (strong, nonatomic) UINavigationController *navC;.m文件 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions添加方法2种如下：1 、self.navC = [[[UINavigationControlleralloc] init] autorelease]; [self.navCpushViewControll. 阅读全文

摘要：#if ! __has_feature(objc_arc)#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).#endif 阅读全文

摘要：http://runmad.com/blog/2010/01/coloring-fun-with-morenavigationcontroller-and-it/修改More页面的Navigation背景及Edit Button [self.tabBarVC.moreNavigationController.navigationBarsetBackgroundImage:[UIImageimageNamed:@"NavBack.png"] forBarMetrics:UIBarMetricsDefault];// self.tabBarVC.moreNavigationCo 阅读全文

摘要：IOS-特别注意“self.label” 与“label_”的使用，统一并区别。 阅读全文

摘要：iPad ImagePickerView 拍照中，点击“use”的同时，dismiss popover即消失所在的框，不必再点击其他区域。UIImagePickerController的delegate如下：#pragma mark - UIImagePickerController delegate methods- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInf 阅读全文

摘要：退键盘新法：在需要的方法中添加：[self.view endEditing:YES];即可见效。 阅读全文

摘要：iPad的UIActionSheet方法中没有cancel，点击popover其他区域即消失，但是，往往其他区域有Button，比如：UINavigationBarItem 的leftBarButton 或者rightBarButton，这时点击，就会出现程序崩掉。方法：（在点击的button方法中添加如下代码：）if ([self.actionSheet isVisible]) { [self.actionSheet dismissWithClickedButtonIndex:self.actionSheet.cancelButtonIndex animated:YES]; }此方法引用于： 阅读全文

摘要：- (void)keyboardWillChangeFrame:(NSNotification *)notification{ // if(!isDisplayFaceBox){ #if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_3_2 if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) { #endif #if __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_3_2 NSValue *keyboardBoundsValue = 阅读全文

摘要：文字属性textplaceholder //默认使用70%灰色 font textColor textAlignment文字大小adjustsFontSizeToFitWidthminimumFontSize编辑行为editing //是否正在编辑(read-only)clearsOnBeginEditing展现形态borderStyle //默认UITextBorderStyleNone，是UITextBorderStyleRoundedRect时自定义的background无效backgrounddisabledBackgroundproperty //backgrou... 阅读全文

摘要：重写UITextField方法：-(CGRect)textRectForBounds:(CGRect)bounds；效果如图：-------->-(CGRect)editingRectForBounds:(CGRect)bounds；@interfaceMYTextField:UITextField@end@implementationMYTextField-(CGRect)textRectForBounds:(CGRect)bounds { int margin =10; CGRect inset =CGRectMake(bounds.origin.x + margin, bounds 阅读全文