wletv的专栏

在func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) 获取到deviceToken,值未nil，deviceToken发现值为”32bytes”解决方法：let deviceTokenString = deviceToken

Open the site udid.io in Safari on your iPhone or iPad

Alamofire.request(.GET, profile_picture_url!).response { (request, response, data , error) in if error != nil { NSLog("Error downloading thumbnail ima

One case:when swift 3 to swift 2.3, just remove “_” before parameter, correspondingly when swift 2.3 to swift 3, just add “_” before parameter, Example: Swift3: typealias LMLocationCompletionHandle

http://roadfiresoftware.com/2015/10/how-to-parse-json-with-swift-2/Example: { “blogs”: [ { “needspassword”: true, “id”: 73, “url”: “http://remote.b

Check this video, youtube.com/watch?v=VpbNFIY1qJ0 time 13:45. They said that if you set Info.plist FirebaseAppDelegateProxyEnabled to NO you should call “setAPNSToken” and “appDidReceiveMessage (http:

1: for devices running iOS 10 and above, you must assign your delegate object to the UNUserNotificationCenter object to receive display notifications, and the FIRMessaging object to receive data messag

Solution: open push notification and in backgroud mode open remote notification in Xcode 8iOS 9.3// [START connect_to_fcm] func connectToFcm() { //FIRMessaging.messaging().connect { (erro

AnyHashable is new structure in Swift 3

when using alamofire with Cocoapod, should set iOS platform in Podfile otherwise alamofire library can not be find when import AlamofireExample: platform :ios, ‘9.0’use_frameworks!target ‘Your Projec

Method is that navigationItem.titleView uses UIView, and this UIView add custom title. example: var containerView = UIView() containerView.frame = CGRectMake(30, 30, 400, 50) var titlevi

http://stackoverflow.com/questions/35287836/how-do-i-access-a-nested-json-value-using-alamofire-and-swiftyjsonfunc getAPI() { Alamofire.request(.GET, “http://quotes.rest/qod.json“, parameters: [“conte

After ios 10 you have to define all the system feature access in inof.plist as below:Calendar : Key : Privacy - Calendars Usage Description Value : $(PRODUCT_NAME) calendar eventsReminder :

https://developers.facebook.com/docs/facebook-login/permissions#reference-public_profile

func tapColor(sender: UIGestureRecognizer) { let paraList = [ "Grey","Black","Brown" ] func actionSheetHandlerParameters(para : String) { ColorLabel.text = para Colo

http://stackoverflow.com/questions/38689631/how-to-use-facebook-ios-sdk-on-ios-10/38799196It happens because Apple changed the way of working with keychain in iOS 10. To fix this issue you simply shoul

according to facebook and google developer reference, if you add them together, you will find that once authorize the facebook, it will not return.Solution is: func application(application: UIApplicat

if after the following ways, it still not shown on iphone 6 1: delete reference and then add again 2: change name Then the reason maybe is video problem, NOT code problem. Change another video whic

reason: The error is because the type tries to access the self property before self was initialized (initialization happens after defining the values for properties). Solution: define first before in

为什么self.navigationItem.titleView有时候不能居中呢答一：UINavigationBar automatically centers its titleView as long as there is enough room. If the title isn’t centered that means that the title view is too wide to

let navBar:UINavigationBar=UINavigationBar()navBar.frame=CGRectMake(0, 0, view.frame.width, 80)navBar.shadowImage = UIColor.whiteColor().as1ptImage()navBar.setBackgroundImage(UIColor.whiteColor().as

method: select Xcode version in Command Line Tools in Location(Click Xcode and then Preferences)Before: After:

RongIMKit.framework/Headers/RCMessageModel.h:94:30: Unknown type name ‘RCReadReceiptInfo’ (2)RongIMKit.framework/Headers/RCMessageModel.h:94:1: Property with ‘retain (or strong)’ attribute must be of o

two errors: 1: duplicate symbols for architecture x86_64 2:error: cannot parse the debug map for “/Users/— Library/Developer/Xcode/DerivedData/ProjectName- dejxrzrmfgomxxcrzloplmsozads/Build/Pro

Choose “Edit Scheme” from the “Product” menu. Click on the “Manage Schemes…” button Select the scheme whose name you wish to change Press the “Return” key It will select the name of the scheme and

Ambiguous reference to member ‘dataTask(with:completionHandler:)’let request = NSMutableURLRequest(url: URL(string: “Your API URL here” ,param: param))!, cachePolicy: .useProtocolCachePolicy,

Xcode 7 works fine if calculate the value of -60*60*24*2-60*60 but there is an error on Xcode 8 which says Expression was too complex to be solved in reasonable time; consider breaking up the expressi

Swift3:DispatchQueue.main.async(execute: { })Swift2: dispatch_async(dispatch_get_main_queue(), { })TimeInterval–swift3 NSTimeInterval–swift2fileprivate-swift3 private-swift2D

Method: Select the Xcode project in the lefthand browser. Click on your test target in the Project’s General tab. Disclose “YorrPorojectNameTesting”. In my project the “Host Application” pulldown bu

a likely cause is that your viewcontrollers are over-retained and not released when you think they are. This is quite common even with ARC if things are over-retained. So, you think that you have only

UIMoviePlayerControllerDidExitFullscreenNotification NSNotification not working in iOS 8UIWebView上播放视频，获取全屏播放事件／退出全屏播放 之前的办法： [[NSNotificationCenter defaultCenter]addObserver:selfselector:@selector(

the library already add in Xocde, you need import the library in the sourecode. but if by setting Xocde , you may not need to import the library

AFNetworking required by Podfile AFNetworking (= 2.6.0) required by Podfile.locksolution: remove or rename Podfile.lock and run pod install again if AFNetworking (= 2.6.0) required by other library,

the app canrun with Xcode. but if just click the app in simulator, it can not run and no error clue. If run in real device, xcode will give the following message: dyld: Library not loaded: @rpath/Vime

Beacon Vendor Default UUID Open Beacon AA6062F0-98CA-4211-8EC4-193EB73CEBE6 Estimote B9407F30-F5F8-466E-AFF9-25556B57FE6D Radius Networks 2F234454-CF6D-4A0F-ADF2-F4911BA9FFA6 Beacon Inside F

method to fix it: Click the simulator to active it, then select hardware in simulator tools followed by clicking “Touch pressure”. In the “Touch pressure” option, click “Shallow press” to make it not

Set module!!!

Description: first top several table cells can be selected, but after tableview cells after several cells can not selectedReason: table view height is too smallSolution: set table view height bigge

Solution: Need open Push notification at Capabilities tab in XcodeOnce open push notification, You will see steps : Add push notifications entitlement to your entitlement file

func URLWithPath(path: String) -> NSURL { //return NSURL(string: path, relativeToURL: baseURL)! //will cause 404 error when visit url in Xcode8//Use this way var newUrl : NSURL