我已将Xcode升级到Xcode 7并包含了App Transport Security(ATS)功能pList.目前我通过分配YES来禁用此功能NSAllowsArbitraryLoads.现在app在模拟器上正常运行.但是,当我发布Adhoc开发版本并将其安装在设备上时.无论何时API调用它都会崩溃.
我想以相反的顺序填充UICollectionView,以便UICollectionView的最后一项首先填充,然后填充第二项,依此类推.实际上我正在应用动画,项目逐一出现.因此,我希望最后一项显示出来.
in-app-purchaseiOS应用程序将要终止时是否可以取消?我处于一种情况,其中用户开始in-app-purchase进程,但同时又终止了该应用程序。我们可以通过以下代码还原InApp购买吗?
- (void)applicationWillTerminate:(UIApplication *)application
Run Code Online (Sandbox Code Playgroud) 我想在iOS中使用xmpp框架匿名连接到openfire服务器.我可以通过提供JID和PW连接到开火.但是,当我尝试匿名连接时,它说"服务器不支持匿名身份验证".
我在xib文件中使用了一个按钮.当点击下面的代码时执行:
- (IBAction)login:(id)sender {
[[self appDelegate]connect];
NSError *authenticationError = nil;
[self.xmppStream authenticateAnonymously:&authenticationError];
}
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以下是connect方法的代码:
- (BOOL)connect {
[self setupStream];
xmppStream.hostName = @"abc.xyz.com";
//xmppStream.hostName = @"Virtuals-MacBook-Pro.local ";
NSString *jabberID = [[NSUserDefaults standardUserDefaults] stringForKey:@"userID"];
NSString *myPassword = [[NSUserDefaults standardUserDefaults] stringForKey:@"userPassword"];
if (![xmppStream isDisconnected]) {
return YES;
}
if (jabberID == nil || myPassword == nil) {
return NO;
}
[xmppStream setMyJID:[XMPPJID jidWithString:jabberID]];
password = myPassword;
NSError *error = nil;
if (![xmppStream connectWithTimeout:XMPPStreamTimeoutNone error:&error])
{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error"
message:[NSString …Run Code Online (Sandbox Code Playgroud) 我使用以下代码在Facebook身份验证后显示祝酒词
if ([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook]) // check Fb is configured in Settings or not
{
accountStore = [[ACAccountStore alloc] init]; // you have to retain ACAccountStore
ACAccountType *fbAcc = [accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierFacebook];
NSString *key = @"xxxxx";
NSDictionary *dictFB = [NSDictionary dictionaryWithObjectsAndKeys:key,ACFacebookAppIdKey,@[@"email"],ACFacebookPermissionsKey, nil];
[accountStore requestAccessToAccountsWithType:fbAcc options:dictFB completion:^(BOOL granted, NSError *error) {
if (granted) {
NSLog(@"Perform fb registration");
} else {
NSLog(@"Facebook 1”);
[[Toast shared] showToast:self.view withText:@"You disabled your app from settings."];
NSLog(@"Facebook 2”);
}
}];
}
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NSLog(@"Facebook 1”);并NSLog(@"Facebook 2”);分别执行和打印日志.但是,这两个日志之间的Toast语句在15-20秒后延迟并显示.
如果我 …
我已经UILabel在int值显示,我想,如果值是千像1000那么标签上应显示1K和2K 2000年及以后.怎么能实现这一目标?