coursera ios app development basics

iphone, the status bar turned out the notification message, basically successfully implemented.--------------------------------------------------------------------------------------------------------------- ----------------------------------Additional notes:Online search data, found a problem, if your application does not implement VoIP, if you do this method, there is the risk of Apple reject; then the alternative is when the application enters the background or has exited, the server will sen

Android system is also an application-specific form, corresponding to the system-provided root view object.The view object is rendered in the form.Each view object of the Android system inherits from the view class, including the view and ViewGroup objects. The UI of an app is constructed from a view tree that consists of views and ViewGroup objects that are used to draw content on the screen and interact with the user, such as a button buttons or te

error suddenly occurs (Xcode7 never encountered before, do not know whether it is Xcode7 or iOS9 pot)The search for technical articles says there are three situations that can cause this problem:1. Check that the boot image is not in. png format2.Put those images at the root level of your project3. Place a boot image named "[Email protected]", the size is 640?x?1136 pixel placed in your project root directoryThat's how my app solves this problem.2).

didfinishlaunchingwithoptions: (nsdictionary *) launchOptions{NSLog (@"The didfinishlaunchingwithoptions:--program loads and then calls ...");returnYES;}/** * Program loses focus will be called */- (void) Applicationwillresignactive: (uiapplication *) application{NSLog (@"The applicationwillresignactive:--program loses focus will be called ...");}/** * Program enters the background will be called */- (void) Applicationdidenterbackground: (uiapplication *) application{NSLog (@"The applicationdid

link, select and generateClick Download to get aps_development. cer, and save it to the push file.Fourth partCreate a new AppID, select Appids on the page, and then click the plus sign in the upper-right cornerThe app's name is as long as Apple asks.Then Bundleid is more important, in the submission of audits and testing (Apple's TestFlight) and pay links need to use, but also just follow the apple requirements to write.The next step is to choose which services your

As a result of Apple's mechanism, installing the application on a non-jailbroken machine must pass the official AppStore, the developer has developed the application after the upload AppStore, also needs to pass the audit and so on. Appcan as a platform for the development of a cross-mainstream platform, but also to the IPA package upload appstore support. This article from three processes to introduce how to implement Appcan online compilation of IPA

seen in the interface.Add a Ibaction method to the Networkconnectionviewcon troller.h file:-(ibaction) connectnetwork;implement this method in the Networkconnectionviewcon troller.m file:-(Ibaction) connectnetwork｛Uialertview *alter = [[Uialertview alloc] Initwithtitle: @ "Connection Network" message: @ "Sending command to the Serv Er "delegate:self cancelbuttontitle: @" OK "otherbuttontitles:nil];[Alter show];[alter release];Connect Network //............｝Open Networkconnectionviewcontroller.x

This article turns from: Http://www.devzeng.com/blog/ios-two-version-app-setting-profile.htmliOS development of the same app set different icons and namesSEP 6TH, 2014Often encountered in the development of the same app will have

iOS Development Basics-Fragmentation 16Dynamic types of 1:OBJECTIVE-C syntax(Iskindofclass, Ismemberofclass,id)The ability of an object to acquire its type at run time is called introspection. Introspection can be accomplished in a number of ways. Determine the object type-(BOOL) iskindofclass:classobj whether this class or subclass of this class is an instance o