IOS

1. compile the project and generate xx. app 2. Prepare the guiding process xx to replace the xx process in the xx. app. Bootstrap Process Code: Int main (int argc, char * argv []) {@ autoreleasepool {NSString * string = [[NSBundle mainBundle]

Unilateral message transmission is usually used to transmit data to the main view in the subview. The procedure is as follows;   1. In the subview 1.1 define the methods stipulated in the Protocol and Protocol. The Protocol name is usually the

  (1) UseTouchJSonResolution Method: (the package needs to be imported: # import TouchJson/JSON/CJSONDeserializer. h) // Use TouchJson to parse the weather in Beijing-(IBAction) btnPressTouchJson :( id) sender {// obtain the api nsurl * url = [NSURL

Because I recently took over the work of my colleagues working on static libraries, it is inevitable to debug the integration. However, after the integration, the linker command failed with exit code 1 error always occurs, and I checked a lot of

Inline static NSData * encodeBCD (NSString * value) {// NSString * value = @ "123456"; NSMutableData * vdata = [[NSMutableData alloc] init]; __uint8_t bytes [1] = {6}; [vdata appendBytes: & bytes length: 1]; nsange range; range. location = 0; range.

Inline static UIColor * getColorFromHex (NSString * hexColor) {if (hexColor = nil) {return nil;} unsigned int red, green, blue; nsange range; range. length = 2; range. location = 1; [ns1_scannerwithstring: [hexColor substringWithRange: range]

Today, I am studying UIActionSheet and directly put the code in viewDidLoad for execution. After a long time, I have always encountered problems, and I have been wondering if it is caused by xcode, later, we found that we usually put them in a

-Many common errors are summarized from favorites. 1: clang failed with exit code 254 I. Check whether NSLog has printed the void value returned in the code. 2: Verify exit code of build task with internal identifier 'copypngfile 123.png' I. Will

Recently, I have been practicing Android + Asp.net WebApi. I found that after I started Asp.net in visual studio debug mode, I was unable to respond to the http request sent by Android. The Set breakpoint does not work, google has found the

# Import @ Interface UIColor (RandomColor) + (UIColor *) randomColor; @ End # Import "UIColor + RandomColor. h" @ Implementation UIColor (RandomColor) + (UIColor *) randomColor { CGFloat hue = (arc4random () % 256/256 .0); // 0.0 to

In some applications, background music and sound effects are required, which is implemented in the program. 1. First, the AVFoundation framework is required for loading background music. 2. The music resources are all in the package, so you need to

Free versions on GitHub can only be open-source code libraries. Sometimes private services need to be configured, which is not convenient for public use. Now the free online storage capacity is getting bigger and can be used for storage services. It

It is easy to find that the Cocoa Foundation provides some variable parameter methods, such: NSLog (NSString * format ,...)   In actual programming practices, we also need to implement variable parameters. In Objc, it relies on the native C

1. I tried to check the Hide during application launch option. No. 2. I tried to use a function in ViewController, but it still cannot. -(BOOL) prefersStatusBarHidden {return YES; // hide as YES and display as NO} You can find this method later.

      　　   2. New Design Principles of iOS7   3. Design Keywords of iOS7: Focus IOS7 is not about flat design. It contains

We will continue with the content of the previous Article   .   The great design is more about the combination of subtraction and addition.. .     . Although decoration may be useful, using it will make your application feel

Spring Breeze and green on the coast of California, things are another year. WWDC 2013 keynote is coming to an end, and the new iOS development journey is also started. What do developers need to know about the major changes in the iOS7 interface.

For a button background image, many image resources on Android are similar, but because the height and width of the button are different from the century size of the image, so we need to use 9patch to achieve Tensile Processing, See:

this.viewState = new Backbone.Model(); this.listenTo(this.stateModel, 'change', this.render); this.listenTo(this.stateModel, 'change:readMore', this.renderReadMore); // OK: this. stateModel. on ('change: readMore ', this. renderReadMore,

For What? The Twitter client has the following effect on the personal Tab: When you drag a ScrollView (TableView) down, the image above the ScrollView will zoom in and blur as you drag your finger. After you release your finger, the image is