好程序員-ios開發(fā)小知識點(一)(存儲版)
【正文】 ledTimerWithTimeInterval:() target:self selector:selector(ontime) userInfo:nil repeats:YES]。//雪花開始的大小和位置[ addSubview:view]。1程序中發(fā)送郵件和檢測設(shè)備郵箱是否被配置(void)addEmail{Class mailClass = (NSClassFromString(MFMailComposeViewController))。[controller setSubject:意見反饋]。}if (result == MFMailComposeResultFailed){Emailalert = [[UIAlertView alloc] initWithTitle: message:發(fā)送失敗 delegate:selfcancelButtonTitle:知道了 otherButtonTitles:nil]。body=text!。}。subject=text。}pragma mark mailComposeDelegate (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error{if (result == MFMailComposeResultSent){[self dismissModalViewControllerAnimated:YES]。[ setNeedsDisplay]。}1配置Xcode 看程序崩潰信息在xcode中的左側(cè)目錄中找到Executables 打開雙擊和工程名一樣的文件。//這個是定義雪花圖片的大小int sp = 1/round(random()0)+1。(void)viewDidLoad{[super viewDidLoad]。 = CGSizeMake(0, 0)。}[animation setRemovedOnCompletion:NO]。[animation setDuration:]。[ addSubview:]。[ addSubview:allImageScrollView]。[ setTransform:newTransform]。[ addSubview:]。引入頭文件：.存密碼：[SFHFKeychainUtils storeUsername:dd andPassword:aaforServiceName:SERVICE_NAMEupdateExisting:1 error:nil]。 // size of view in popover = size。unsigned long long int _cacheFolderSize = 。獲取系統(tǒng)語言設(shè)置NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults]。NSString *_cacheFilePath。{CGSize size = CGSizeMake(320, 480)。手勢識別類UIGestureRecognizerSFHFKeychainUtils 存儲信息蘋果SDK自帶的就有密碼保護，使用方法很簡單，如下： = CGRectMake(64, 0, 102464, 76820)。[UIView setAnimationDura
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