ios dev bootcamp

iOS Dev Uinavigation Series three--toolbar UitoolbarIn addition to Uinavinationbar in iOS, there is also a toolbar uitoolbar for us to use, the toolbar and navigation bar is very similar, but the function is more simple, there are uibarbuttonitem buttons in the toolbar, in the first two blogs, A discussion of navigation bars and navigation items, with the followi

You go home in the golden glow, and I sneak in the silver tenderness--this is my status quo.This year's recruitment form is not very good, hard to find jobs, but also difficult to recruit. This blog is written to give you some references to iOS dev for work.Last article: Change the Pit (to interview)Another year to change the pit of the season, for various reasons, I changed the pit.This year has 6, 5 offer

= ' Www.XXX. Xxx.zip ';d ownload (URL);//Call the iphone to provide the JS interface Adddownloadtask_ret ();//Get the download results from the iphone download interface, here is a local delay method}// Get iphone Download interface execution download results Functionadddownloadtask_ret () {varobj=getdownloadtaskresult ();//Here is an interface for the iphone, Responsible for returning the results of the current download execution if ('!=obj| | Undefined!=obj) {//Invoke some of the local post-pr

development of OC, IOS, MAC program necessary framework, if you want to use the entire framework of content, including the framework of the main header file. The primary header file is the most important header file in a framework, with the main header filename and frame name consistent for each frame.namely: #import Run the following procedure:　　　　(1) Write the OC source file. M. C(2) Compiling files cc-c xx.m xxx.c(3) Link cc xx.o xxx.o-framework F

The article about sandbox and file operation wrote several, in the process of writing deepened their memories. Today to do a summary, is a sort of knowledge points.Article carding1 iOS development sandbox mechanism (sandbox)This is a basic knowledge of sandbox tutorials. The role of Sandbox is briefly described, and the differences between documents, Library and TMP are introduced. Open the sandbox in two ways to see what's in it.2

Bnrhypnosisview objectsCGRect Screenrect =Self.window.bounds; CGRect Bigrect=Screenrect;//bigRect.size.height *=2.0;BigRect.size.width *=2.0; //Create a Uiscrollview object, set its size to the window sizeUiscrollview *scrollview =[[Uiscrollview alloc] initwithframe:screenrect]; [ScrollView Setpagingenabled:yes]; //Create a large size bnrhypnosisview (modify to create a wide view with screen etc.)Bnrhyponsisviewtwo *hyponsisview =[[Bnrhyponsisviewtwo alloc] initwithframe:screenrect];

① many iOS apps support preferences such as saving usernames, passwords, font size, and more, iOS offers a standard set of solutions to add preferences to your app② Each app has a Nsuserdefaults instance that accesses preferences③ For example, save user name, font size, automatic loginSave method-(Ibaction) Save {//1With Nsuserdefaults, you have direct access to the software's preferences (library/preferenc

receivedProcessing URL request-(BOOL) Application: (UIApplication *) application Handleopenurl: (Nsurl *) url{ NSLog (@ "%@", url); if ([[URL scheme] isequaltostring:@ "Myurltest"]) { //process link nsstring *text = [[URL host] Stringbyreplacingpercentescapesusingencoding:nsutf8stringencoding]; Uialertview *myalert = [[Uialertview alloc]initwithtitle:@ "New Message" Message:text delegate:self cancelButtonTitle:@ "yes" Otherbuttontitles:nil]; [Myalert sho

(1) Use size Classes in storyboard.We have used AutoLayout before, and now we have a size Classes, which can be seen as AutoLayout settings under different size Classes.Detailed tutorials, http://www.cocoachina.com/ios/20141020/9978.html--Seemingly, storyboard's functions are becoming more powerful. The adaptation of different sizes and screens is enough to make it a pain to hit the code.--Find a lot of blog posts, found that almost all talk about how

(1) Effect(2) Case source code free downloadGroup Purchase page +ios source code + head AD Carousel + Bottom Load more(3) SupplementIn the source code, there is a flaw: because it is single-threaded, so when you drag the page up and down, the picture carousel above will stop. So we need to balance the solution and add the timer to the current runloop.That is, add a line of code to the Playon method in WPTGHEADERVIEW.M:-(void) playon{ timer=[nstimer

layer, we actually have 0, 1, 2 in the sub-view array. The allocation order also changes synchronously, this is known when using Exchangesubviewatindex, because it is directly the order of the array of exchanges, you can check Nsarray by the following methods: Subview2=self.view.subviewS UIView *view11=[subview2 Objectatindex:5]; View11.backgroundcolor=[uicolor Purplecolor]; [Super Viewdidload]; Do any additional setup after loading the view, typically from a nib.} We want to change th

Sometimes you need to connect to the network during iOS development. When the access request detects that the network is unavailable, you need to prompt the user to manually set up the network and inform the user of the operation path setting available networks.Just one line of code:-(void) Viewdidload {[Super Viewdidload];UIButton *button = [UIButton buttonwithtype:uibuttontypecustom];Button.backgroundcolor = [Uicolor Redcolor];Button.frame = CGRectM

decodeDoubleForKey:@"height"]; } return self;}Read and Write methods in the controller.- (ibaction) Save {//1. New Model ObjectStudent *stu = [[Student alloc] init]; Stu. No= @"42343254"; Stu. Age= -; Stu. Height=1.55;//2. Archiving Model Objects //2.1. Get full path to documents NSString*doc = [Nssearchpathfordirectoriesindomains (NSDocumentDirectory, Nsuserdomainmask,YES) Lastobject];//2.2. Get the full path of the file NSString*path = [Doc stringbyappendingpathcomponent:@"Stu.

In the iOS SDK, the highlighted background color for UITableViewCell only supports two colors, uitableviewcellselectionstyleblue and Uitableviewcellselectionstylegray.So how do you customize this color? One idea is to set the background color of the cell you want when the cell is clicked, and reset the cell back to the original background color when the click is released, so that you can achieve the desired effect.The following is the implementation-

IOS Dev (60) How to implement PlaceHolder in UitextviewArri Address: Http://blog.csdn.net/prevention-Follow your uitextview to define a UILabel.UILabel *inputPlaceHolder;PlaceHolder is not displayed when there is content. Display when no content is present. It is therefore possible to implement uitextviewdelegate in the corresponding class for the instance in which the following methods are used.- (void)tex

About the effect of the button background picture stretching and not stretchingeffect of stretching:the effect of not stretchingeffect of stretching:the effect of not stretchingTensile principleIn iOS development, there is a way to stretch a picture in the form specified, stretching in a general stretch of 0:Implementation method Create a new category for a uiimage Expand a method for UIImage + (UIImage ) Resizableimage: (NSString ) image

iOS touchMethod://Start contact-(void)Touchesbegan:(nsset *) touches withevent:(uievent *) event;-//move on the screen -(void)touchesmoved:(nsset *) touches withevent:(uievent *) event;-//Touch End -(void)touchesended:(nsset *) touches withevent:(uievent *) event;-//Cancel Touch -(void)touchescancelled:(nsset *) touches withevent:(uievent *) event;Implement the UIView movement-(void) Touchesbegan: (Nsset *) touches withevent: (Uievent *) event {}-(voi

); Draw Arc Cgcontextaddarc (CTX, M_pi_4, M_PI, 1); Cgcontextstrokepath (CTX); Draw 1/4 circles, as well as set new methods of color Cgcontextmovetopoint (CTX, 10, 230); Cgcontextaddlinetopoint (CTX, 10, 280); Cgcontextaddlinetopoint (CTX, 60, 280); Cgcontextaddarc (CTX, ten, 280, 0,-m_pi_2, 1); [[Uicolor Greencolor]Setstroke]; Cgcontextstrokepath (CTX); Draw pictures and text (do not need to get the context manually) NSString *[emailprotected] "Xin-chou-an-year-e

"]; Fourthvc.tabbaritem.image=[uiimage imagenamed:@ "Tab_me_nor"]; Firsvc.view.backgroundcolor=[uicolor Redcolor]; Secondvc.view.backgroundcolor=[uicolor Whitecolor]; Thirdvc.view.backgroundcolor=[uicolor Purplecolor]; Fourthvc.view.backgroundcolor=[uicolor Greencolor]; Add a child controller in the following ways//[emailprotected][firsvc,secondvc,thirdvc,fourthvc]; [Self addchildviewcontroller:firsvc]; [Self ADDCHILDVIEWCONTROLLER:SECONDVC]; [Self ADDCHILD

=yes; The following settings play speed, can be tested with//_audioplayer.rate=10;//_audioplayerdict[filename]=audioplayer; }if (!_audioplayer.isplaying) {[_audioplayer play]; } return _audioplayer;} + (void) Musicpause: (NSString *) filename{if (!filename) return; Avaudioplayer *audioplayer=_audioplayerdict[filename]; if (audioplayer.isplaying) {[Audioplayer pause]; }}+ (void) Musicstop: (NSString *) filename{if (!filename) return; Avaudioplayer *audioplayer=_audioplayerdic