geforce

for (id subview in tWebView.subviews){   if ([[subview class] isSubclassOfClass:[UIScrollView class]]) {    ((UIScrollView *)subview).bo

UIPasteboard *paste = [UIPasteboard generalPasteboard];paste.string = @"a";

常量写在Prefix.pch文件里，这样用的时候就不用写#import了

不要用[UIImage imageNamed:@"a.png"].用 [UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathCompone

CGRect frame = CGRectMake(0.0, 0, 320, 48);   UIView *v = [[UIView alloc] initWithFrame:frame];   [v setBackgroundColor:[UIColor renColo

NSMutableArray *ma1 = [[NSMutableArray alloc] init];    [ma1 addObject:@"2"];    [ma1 addObject:@"1"];    [ma1 addObject:@"3"];

今天第一次用UISearchBar+UISearchDisplayController感觉非常神奇。以前都是只用searchbar。看到苹果自带的搜索都是有黑色界面如图：确不知道怎么实现的  今天就用了UISearchBar+UISearchDisplayContro

前言：iPhone是个极具艺术性的平台，相信大家在开发过程中一定有很多感触，希望能写出来一起交流，所以开了这个帖子，以后还会维护。 如果大家和我一样有感触的话，可以跟在帖子下面，最好简短并附上中英文：） 1：如果无法保证子类行为的一致性，那么就用委

1。  UINavigationController  到 UITabBarController在准备跳转  tabbarviewcontroller 的窗体中添加 tabbarviewcontroller ,配置到各tabitem 属性在执行事件里写  [self.na

TextField.autocorrectionType = UITextAutocorrectionTypeNo;

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{    if(indexPath.row == 0)   {    ret

if (toInterfaceOrientation == UIInterfaceOrientationLandscapeRight) { [self.view setBounds:CGRectMake(0, 0, 1024, 768)]; [self.view

To reset the NSUserDefaults to the standard values use:[NSUserDefaults resetStandardUserDefaults];[NSUserDefaults standardUserDefaults];If you want to delete every key use the following:NSDict

继承UIImageView在子类写touch方法。

[segmentControl_ addTarget:self action:@selector(segmentChangedValue:) forControlEvents:UIControlEventValueChanged];- (void)segmentChanged

[UIDevice currentDevice] model]可以判断机型;[UIDevice currentDevice] currentMode] 判断屏幕分辨率;if (UI_USER_INTERFACE_IDIOM() == UIU

- (void)textFieldDidBeginEditing:(UITextField *)textField{        self.view.frame = CGRectMake (0,-100,self.view.frame.size.width, self.

弹小框，但也要整个屏幕大小UIWindow* window = [UIApplication sharedApplication].keyWindow; if (!window) { window = [[UIApplication sharedApplication]

- (void)tarnsFormLoginView:(UIView *)pView{ UIInterfaceOrientation state = [[UIApplication sharedApplication] statusBarOrientation]; if (s

- (NSString *)randomString { const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; char rv[11]; fo

UILabel *label = [[[UILabel alloc] initWithFrame:CGRectZero] autorelease]; label.backgroundColor = [UIColor clearColor]; lab

//将UIColor转换为RGB值- (NSMutableArray *) changeUIColorToRGB:(UIColor *)color{ NSMutableArray *RGBStrValueArr = [[NSMutableArray alloc] in

UIButton *tBtn = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 52, 31)]; [tBtn setBackgroundImage:kImageNavigationBlackButton forState:U

正则表达式用于字符串处理、表单验证等场合，实用高效。现将一些常用的表达式收集于此，以备不时之需。匹配中文字符的正则表达式： [\u4e00-\u9fa5]评注：匹配中文还真是个头疼的事，有了这个表达式就好办了匹配双字节字符(包括汉字在内)：[^\x00-\xf

NSMutableArray *array = [[NSMutableArray alloc] initWithObjects:@"White",@"Blue",@"Red",@"Black",nil];    [array sortUsingSelector:@select

改变其他viewcontroller 的tabbar 的 badgeValueUIViewController *tController = [self.tabBarController.viewControllers objectAtIndex:2];

UILabel *lab = [[UILabel alloc]init];NSString *labValue = @"1234";CGSize labFrame = [labValue sizeWithFont:font constrainedToSize:cgsize

if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 5.0) {         // iOS 5 code    }    else {       // iOS 4.x code    }记得加#import "sys/utsname.h"