[英]IPhone View is not loading after upgrade to IOS 4.2
我一直在尋找答案,並且在該站點和其他站點上看到了相關問題,但是解決方案與我無關。 在升級到IOS 4.2之前,我有一個運行良好的應用程序。 現在,該應用程序不會加載包含圖像背景以及按鈕和標簽集合的視圖。 該應用程序中有一個計時器,我可以確定該計時器正在運行,因為從另一篇文章中,我可以證明啟動期間執行了以下方法:
SELECTOR: application:handleOpenURL:
SELECTOR: application:openURL:sourceApplication:annotation:
SELECTOR: applicationDidReceiveMemoryWarning:
SELECTOR: applicationWillTerminate:
SELECTOR: applicationSignificantTimeChange:
SELECTOR: application:willChangeStatusBarOrientation:duration:
SELECTOR: application:didChangeStatusBarOrientation:
SELECTOR: application:willChangeStatusBarFrame:
SELECTOR: application:didChangeStatusBarFrame:
SELECTOR: application:deviceAccelerated:
SELECTOR: application:deviceChangedOrientation:
SELECTOR: applicationDidBecomeActive:
SELECTOR: applicationWillResignActive:
SELECTOR: applicationDidEnterBackground:
SELECTOR: applicationWillEnterForeground:
SELECTOR: applicationWillSuspend:
SELECTOR: application:didResumeWithOptions:
SELECTOR: application:didFinishLaunchingWithOptions:
SELECTOR: applicationDidFinishLaunching:
SELECTOR: createTimer
視圖應該已經加載。 我沒有收到任何錯誤消息。 以下是我的applicationDidFinishLaunching:方法。
- (void)applicationDidFinishLaunching:(UIApplication *)application {
// Override point for customization after app launch
// set instance variable for view controller
viewController.pressNumberNext = TRUE;
// reset total and last value
viewController.userTotal = 0;
// clear status text
viewController.status.text = @"";
// initalize the number of digits entered
viewController.numberOfDigits = 0;
// disable interaction with status area
[viewController.status setUserInteractionEnabled:NO];
// initialize items for the tokenizer
viewController.endOfInput = [PKToken EOFToken];
viewController.randomExpr = [[NSString alloc] initWithString:@""];
// debugging flags
viewController.debugSolution = false; // debug flag to show solution under status
// initialize the timer
viewController.timeCount = MAXTIME;
// timer should start running
viewController.pauseTimer = false;
// timer reset initialized
viewController.timerNeedsReset = false;
[window addSubview:viewController.view];
[window makeKeyAndVisible];
}
任何幫助將不勝感激。 謝謝。
檢查事項:
視圖如何加載? 通過筆尖還是通過loadView中的代碼?
無論哪種情況,都請檢查視圖的框架。 在viewDidAppear:animated:中注銷。
還要檢查視圖的Alpha和隱藏屬性。
您是否正在使用主窗口執行任何操作? 是主窗口
框架設置為
屏幕? 在窗口上設置了clipsToBounds嗎?
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