小编Dmi*_*try的帖子

我正在为iOS(iPhone)编写应用程序.

如何在网页中按下带有java脚本事件的按钮？我需要编写一个代码来按下这个按钮.然后将执行该事件.我会把它的结果付诸实践.

非常感谢您的帮助!

是否可以立即在iPhone上存储设置？iOS 4+上的应用程序在退出时不会关闭,如果我在Xcode设置中按"停止进程",则不会保存？如何保存？

- (void)compLoad {
    compTotal = [[NSUserDefaults standardUserDefaults] integerForKey: @"compTotal"];
    compCount = [[NSUserDefaults standardUserDefaults] integerForKey: @"compCount"];
    compShow = [[NSUserDefaults standardUserDefaults] boolForKey: @"compShow"];
}

- (void)compSave {
    [[NSUserDefaults standardUserDefaults] setInteger: compTotal forKey: @"compTotal"];
    [[NSUserDefaults standardUserDefaults] setInteger: compCount forKey: @"compCount"];
    [[NSUserDefaults standardUserDefaults] setBool: compShow forKey: @"compShow"];
}

问题很简单.

如何通过javascript将浏览器滚动到所需的元素或所需的位置？

非常感谢您的帮助!

我从另一个应用程序尝试了以下代码,但它没有找到任何东西.为什么？如何访问UIWebView工具栏？

- (UIToolbar *)findVirginWebKeyboardToolbar:(UIView *)parent
{
    if ([parent isKindOfClass:[UIToolbar class]]) {
        UIToolbar *tb = (UIToolbar *)parent;
        if ([tb.items count] == 1 && [((UIBarButtonItem *)[tb.items objectAtIndex:0]).customView isKindOfClass:[UISegmentedControl class]]) {
            return tb;
        }
    }
    for (UIView *view in parent.subviews) {
        UIToolbar *tb = [self findVirginWebKeyboardToolbar:view];
        if (tb) return tb;
    }
    return nil;
}

- (void)removeKeyboardBar {
    UIView *keyboardWindow = nil;
    for (UIWindow *testWindow in [[UIApplication sharedApplication] windows]) {
        keyboardWindow = testWindow;
        UIToolbar *toolbar = [self findVirginWebKeyboardToolbar:keyboardWindow/*subviewWhichIsPossibleFormView*/];
        if (toolbar) {
            itemsArray …

如何通过Delphi 7上的代码检测用户是否在其操作系统上运行Windows Aero主题？

你必须显式调用setNeedsDisplay打完电话后setFrame对UIView如图所示在下列情况下？

view1.frame = frame;
[view1 setNeedsDisplay];

[view2 setFrame:frame];

MySQL有max(a,b)功能吗？我的意思是两个数字的简单数学函数.

如何轻松地将数据移动TDataSet到TClientDataSet？我需要TClientDataSet.XMLData属性中数据的XML表示.

我有以下代码将应用程序内购买添加到应用程序中.一切都在我的设备上完美运行.但是,当我添加Crashlytics对应用程序的支持时,我每天都会收到数百份崩溃报告.为什么？我真的无法理解提供的代码有什么问题.

#define kInAppPurchaseManagerProductsFetchedNotification @"kInAppPurchaseManagerProductsFetchedNotification"
#define kInAppPurchaseManagerTransactionFailedNotification @"kInAppPurchaseManagerTransactionFailedNotification"
#define kInAppPurchaseManagerTransactionSucceededNotification @"kInAppPurchaseManagerTransactionSucceededNotification"
#define gFullVersion @"%@.FullVersion"

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        [self loadStore];
    }
}

- (NSString*)getProductId:(NSString*)feature {
    NSBundle *bundle = [NSBundle mainBundle];
    NSDictionary *info = [bundle infoDictionary];
    NSString *bundleIdentifier = [info objectForKey: @"CFBundleIdentifier"];
    return bundleIdentifier;
}

- (void)requestProducts:(NSString*)feature {
    NSSet *productIdentifiers = [NSSet setWithObject:[self getProductId:feature]];
    if ([feature isEqualToString:gFullVersion]) {
        if (productFullVersionRequest) {
            [productFullVersionRequest release];
            productFullVersionRequest = nil;
        }
        productFullVersionRequest = [[SKProductsRequest …

如何在iPad上隐藏快速键盘工具栏？

以下代码不起作用:

textField.autocorrectionType = UITextAutocorrectionTypeNo;