ios programming for dummies

:@ "Phone"];[userdefaults setobject:self. Address . text forkey:@ "Address"]; nsarray *addlist =@[self. add1 . text , Self . ADD2 . text , Self . add3 . text ];[userdefaults setValue: addlistforkey:@ "Addlist" ]; // submit Save now[userdefaults synchronize]; self. Show . text = @ "Set Value Success" ; // print sandbox location for easy viewing (can be omitted) NSLog(@ "[%@]",nshomedirectory());}-(ibaction) Get: ( ID ) Sender { nsuserdefaults *userdefaults = [nsuserdefaults Stand

{NSString *username = Self.nameField.text;NSString * pwd = Self.pwdField.text;if (Username.length = = 0) {//no user name input[Mbprogresshud showerror:@ "Enter the user name"];Return}if (Pwd.length = = 0) {[Mbprogresshud showerror:@ "Enter the pwd"];Return}The bullet box is being logged in ....[Mbprogresshud showmessage:@ "is desperately loading for you ...."];2. Send the request to the server (account name and user password)GET request: Request line \ request Header2.1 Setting the Request path

];Wuyi [window release]; the [Super Dealloc]; - } Wu -Reachability2. version 0 About $ - //MyAppDelegate.h - @classreachability; - A @interfaceMyappdelegate:nsobject { +reachability *Hostreach; the } - $ @end the the //MYAPPDELEGATE.M the- (void) reachabilitychanged: (Nsnotification *) Note { thereachability* Curreach = [NoteObject]; -Nsparameterassert ([Curreach iskindofclass: [reachabilityclass]]); inNetworkStatus status =[Curreach currentrea

Setvalue:contenttype Forhttpheaderfield:@"Content-type"]; the the //5. Sending the request the[Nsurlconnection sendasynchronousrequest:request queue:[nsoperationqueue Mainqueue] completionHandler:^ ( Nsurlresponse *response, NSData *data, Nserror *connectionerror) { theNsdictionary *dict =[nsjsonserialization jsonobjectwithdata:data options:nsjsonreadingmutableleaves Error:nil]; -NSLog (@"%@", dict); the }]; the}Two: File decompression1- (void) Touchesbegan: (Nsset *) touches withe

returns data to complete before proceeding to the next step.First we set up a Tableviewcontroller view controller in method Viewdidload we'll turn the URL string into a Nsurl object, then create a Nsurlrequest request object based on the Nsurl object, and then set up a synchronous link. And then parse the information through Jeson.Asynchronous connectionsSynchronous connection causes the program to "die" phenomenon, resulting in user interaction is not friendly, and asynchronous links just chan

With the continuous understanding and depth of iOS, we can design a lot of small projects, but the construction of the project has become a very time-consuming task. A good architecture can bring great benefits to the project, and it can also give users a good experience. This article takes micro-Bo as an example, introduces two kinds of frameworks that I often use, hope readers can give comments, put forward the frame test bug, a lot of comments, in

As for the network programming of iOS, we all think of a library such as BSD, Cfnetwork and Nsurl, although many third-party libraries are now very handy, but as a developer, you need to know the underlying code.The following mind map is about the current development of the use of a variety of protocol communication implementation, data interchange format written, including the comparison of the underlying

Preface: Before learning the use of nsurlsession, learn a good article about Nsurlsession "from nsurlconnection to Nsurlsession" or a domestic translation "from the Nsurlconnection to Nsurlsession ", or do not have to learn my blog Park notes directly to learn from the nsurlconnection to Nsurlsession" is also possible, this article on the use of nsurlsession has a very detailed discussion. But first of all, this paper briefly introduces the basic of Nsurlsession and base network request use, in

Atscrollposition:uitableviewscrollpositionbottom Animated:YES]; }#pragma the data source for the Mark table-(Nsinteger) TableView: (UITableView*) TableView numberofrowsinsection: (Nsinteger) section{return Self. Chatmsgs. Count; } - (UITableViewCell*) TableView: (UITableView*) TableView Cellforrowatindexpath: (Nsindexpath*) Indexpath {Static NSString*id = @"Cell";UITableViewCell*cell = [TableView dequeuereusablecellwithidentifier:id]; Cell. Textlabel. Text= Self. Chatmsgs[Indexpath. Row];retur

iOS Address Book technology provides a way to store user contact information and other private information in a centralized database, and to share this information among applications.Address Book technology consists of four aspects: the Addresses Books framework provides an interface to access user information the URL for the UI framework is used to display user information about the databases store information contactsApplication provides a way for u

Asynchronous Get Mode1 //MARK:-Asynchronous Get Mode2 func asynchronousget ()3 {4 //Create a Nsurl object5var url:nsurl! = Nsurl (string:"http://m.weather.com.cn/data/101010100.html")6 7 //Create Request Object8var urlrequest:nsurlrequest = nsurlrequest (Url:url, CachePolicy:NSURLRequestCachePolicy.UseProtocolCachePolicy, timeOutInterval:Ten)9 Ten //connecting to a server Onevar connection = Nsurlconnection (Request:urlrequest,Delegate: Self) A

Synchronous Post Mode1 //MARK:-Synchronous Post Mode2 func synchronouspost ()3 {4 //Create a Nsurl object5var url:nsurl! = Nsurl (string:"http://m.weather.com.cn/data/101010100.html")6 7 //Create Request Object8var request:nsmutableurlrequest = nsmutableurlrequest (Url:url, CachePolicy: Nsurlrequestcachepolicy.useprotocolcachepolicy, timeOutInterval:Ten)9 TenRequest. HttpMethod ="POST"//Set Request mode to post, default to get One Avar str:string

Cabasicanimation Animation1 //cabasicanimation-Opacity2 @IBAction func cabopacity ()3 {4Let animation = Cabasicanimation (keypath:"Opacity")5 6animation!. Fromvalue =1.07animation!. Tovalue =0.08Animation.duration =3.09Self.testImageView.layer.addAnimation (animation, Forkey:"image-opacity")TenSelf.testimageview.alpha=0.0; One } A - //turn on the Clip Subview property - @IBAction func cabexpend () the { - //from small to lower (if the mode attribute is ch

change transformPass(1) on the original transform based on a second translation operation, the return value of the new transformCgaffinetransformtranslate (Cgaffinetransform t, cgfloat tx, cgfloat ty); Parameterstan existing affine transform.txthe value by which to move x values and the affine transform.tythe value by whi Ch to move Y values with the affine transform. Return Valuea new affine transformation matrix.(2) on the original basis to zoom, return a new transformCgaffinetransformscale (

authorization succeeds, send status message1 #pragmaAfter Mark's authorization is successful, send an "online" message2-(void) sendonlinetohost{3 4NSLog (@"Send online message");5Xmpppresence *presence =[xmpppresence presence];6NSLog (@"%@", presence);7 8 [_xmppstream sendelement:presence];9 Ten One}Seven: Proxy method for authorization success and failure1 #pragmaMark Authorized Success2-(void) Xmppstreamdidauthenticate: (Xmppstream *) sender{3NSLog (@"Authorized Success");4

{ [Super viewdidload]; additional setup after loading the view, typically from a nib.}-(void) didreceivememorywarning { [Super didreceivememorywarning]; //Dispose of any resources, can be recreated.}@end(3) Setting Info.plistClick Info.plist, add Nslocationwheninuseusagedescription and nslocationalwaysusagedescription to the rightSet value to Yes(4) UIView interface settingsClick Main.storyboardAdd three labels under Attributes, the Text is filled with "longitude", "latitude", "elevation";A

1. Binary, decimal, octal, 16 binary conversion2. Framework, the development tool itself provides a class package for implementing a specific functionXcode Common Framework--uikit,foundation,coredata3. Introduction of third-party class librariesiOS SDK is relatively low-level, the developer work relatively large, third-party class library is written by other programmers open source code, can be copied directly to their own programs to use, thus simplifying development work,

().study(@"xx剪发"); } return0;}Person object://Person.h@interface Person : NSObject- (Person *(^)(NSString *name))study;- (Person *(^)())run;@end//Person.m@implementation Person- (Person *(^)(NSString *))study{ return ^(NSString *name){ NSLog(@"study----%@", name); returnself; };}- (Person *(^)())run{ return ^{ NSLog(@"run----"); returnself; };}@endIn this area, weP.study (@ "xx treasure book"). Run (). Study (@ "XX hair cut");Call study method: P.stu

transaction access. Locks are added to the owning object instance level. So no nonatomic is safe with multithreading.6, strong weakStrong and weak are the new object variable properties introduced by arcARC introduces a new life-cycle qualification for new objects, which is 0 weak references. If the object that the 0 weak reference points to is deallocated, the 0 weakly referenced object is automatically set to nil. @property (strong) MyClass *myobject;Equivalent to @property (retain) MyClass

Reference: http://www.cocoachina.com/design/20151225/14789.html0. Content Overview Fundamentals and Nature: The three modules that illustrate the universal UI system give the reader a clear understanding of the UI system as a whole. View: The internal mechanism of deep view, the relationship between view and layer, and offscreen Render; Viewcontroller: Explain the role of Viewcontroller in UI system, and Viewcontroller application and practice in UI architecture design; MVC