Obtain the MailCore framework from reMail

If you download MailCore, you may be troubled by compiling MailCore.After Google acquired reMail, it was finally open-source. Although it will also cause errors (CRASHES) during running, after a simple process, it can still be compiled. Because

Cocoa ios iphone xcode player GIF Animation

Use the built-in framework of imageio. This library is also used by apple's webkit. You can refer to apple's opensource webkit implementation. Therefore, this database should be the best choice in terms of performance and scalability. The following

IOS-code snippet

Some code snippets 1. hexadecimal color value conversion # define UIColorFromRGB (rgbValue) [UIColor colorWithRed :( (float) (rgbValue & 0xFF0000)> 16)/255.0 green :( (float) (rgbValue & 0xFF00)> 8)/255.0 blue :( (float) (rgbValue & 0xFF)/255.0

IOS: Modify the title of the backward button of NavigationController

Today I encountered a problem. After a long time, I finally understood the problem: controllerA and controllerB. Click a button in controllerA to push controllerB out. The title of the return button on controllerB is not what I want, but cannot be

Call between iOS and apps

I. Calling System Applications 1. Calling the app store Interface Method in actual development, we often recommend other applications and their own paid software, then we need to directly connect to the corresponding page of the app store in the

Create ios labels

UILabel * label = [[UILabel alloc] initWithFrame: CGRectMake (10,100,300,150)]; label. text = @ "Hello world! "; // The background color is red label. backgroundColor = [UIColor redColor]; // set the font color to a white label. textColor = [UIColor

ACM online exercise-Parentheses matching

Description of the parentheses matching problem currently, there is a sequence of parentheses. Please check whether this line of parentheses is paired. Enter N (0 # include using namespace std; int main (void) {int nLineNum = 0; cin> nLineNum; if (

Latest Objective-C features in iOS6

WWDC2012 released iOS6 and introduced some new features for Objective C to simplify programming. The following are new features that require XCode4.4 and later versions: 1. the declarative sequence of methods is no longer required to call the

Three iOS multi-thread implementation methods

First, use @ synchronized (self)   Static LocationController * sharedInstance; + (LocationController *) sharedInstance {@ Synchronized (self ){If (! SharedInstance)SharedInstance = [[LocationController alloc] init];}Return sharedInstance;} @

Single-camera for iphone Development

// Draw -(Void) addSecondZone :( UIView *) contentView // Button Image UIImage * selecticonNo = [UIImage imageNamed: SelecticonNo]; UIImage * selecticon = [UIImage imageNamed: Selecticon]; UIView * childSecondView; Childseconddview = [[UIView alloc]

Iphone powered off to mute ringtones

    AVSystemController * av = [AVSystemController sharedAVSystemController]; [Av setVolumeTo: 0.0 forCategory: @ "Ringtone"];   It's very easy. Just a few words, I tried it. Although setVolumeTo is 0, the sound is only a small one, but there is

Several simple examples of objc_runtime usage

1. dynamically add attributes to the NSObject classH Definition [Cpp]@ Interface UIWebView (LoadProgress) @ Property (nonatomic, assign) NSInteger resourceCount; @ End @ Interface UIWebView (LoadProgress) @ Property (nonatomic, assign) NSInteger

UIView is associated with multiple Gesture

If a UIView is associated with multiple UIGestureRecognizer, a strange problem occurs, as shown in the following code: [Cpp]UIPanGestureRecognizer * pang = [[UIPanGestureRecognizer alloc] initWithTarget: self action: @ selector (panned :)];[Self.

Adjust the ViewController sequence in IOS development (8)

1 PrefaceIn IOS, The View Controller managed in the navigation bar is placed in a stack array, and the stack can be managed in the Code. Let's take a look at it today. 2 Adjustment MethodThis example is modified based on the navigation Demo of IOS

UISlider Control for IOS development (14)

1 PrefaceThe UISlider control allows you to select a value within a range on a simple interface. 2. code exampleZYViewController. h: [Plain]# Import  @ Interface ZYViewController: UIViewController @ Property (nonatomic, strong) UISlider * mySlider; @

IOS development (37): delegate in iphone Development

Here is an example: Assume that one of my jobs is "answer the phone", but "I" finds that the call is too busy or too busy, so I hired a "secretary" to share my "Answer call" work. If the call was made by the boss, I asked the "secretary" to transfer

IOS development (50): some small applications of GCD

>>>>>>>> Multithreading in iOS provides the following methods:1. performSelector (InBackground or MainThread)This method is convenient, but the problem is that parameter passing only supports one object (passing multiple parameters, I package them

Build Block Objects for IOS development (57)

1 Preface Objects of Block Objects can be inline or encoded as independent code blocks. Today we will introduce its usage. 2. code exampleToday, we do not need to develop the IOS framework. We will use simple programs for development. Next we will

GCD for IOS development (63) performs delayed operations

1 Preface With Dispatch_after, you can use GCD to execute code after you want to specify a certain number of latencies. Let's take a look at it today. 2. code exampleDemo1: ZYAppDelegate. m [Plain]-(Void) printString :( NSString *) paramString

IOS development (71)

1 Preface UILongPressGestureRecognizer is used to listen to and capture gesture events from somewhere where a user uses his fingers to hold down the screen for a long time. 2. code exampleZYViewController. m   [Plain]-(Void) viewDidLoad{[Super

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