IOS

  Andy -- breeze original, reproduced Please note: http://www.cnblogs.com/huangdongcheng/archive/2011/11/05/2236916.html 1. Window: UIWindow The iPhone rule is a window with multiple views. The window is the bottom layer that you see in the app. It

  Read the file content to NSString. Use the following code: [Cpp]NSString * filePath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent: @ "push .txt"];NSError * err = nil;NSString * mTxt = [NSString stringWithContentsOfFile:

  1. The downloaded sdk contains the inc folder and mapapi. bundle, libbaidumapapi. a is added to the project, in which libbaiduapi. a has two, one corresponding to the simulator and the other corresponding to the real machine. The import method is

IOS property reflection: To put it bluntly, all the attributes of the two objects are retrieved dynamically and automatically bound based on the attribute name. (Note: if the object class is a derived class, it must be implemented in other ways,

Target IOS interface development tool-InterfaceBuilder Create a view Understanding how to create buttons, text boxes, and images using InterfaceBuilder Understand how Code creates a button   1. IOS interface development

There are several data storage methods in iOS development. Select an appropriate data storage method based on the specific business scenario. (1) User default settings-in this case, user intervention is usually not required, such as game clearance

1 PrefaceIn mathematics and logic, singleton is defined as a set with only one element ". Therefore, no matter how big the bag is, the same one is obtained every time the bullet is taken from it. 2. Details2.1 Brief IntroductionSingleton class in

1 PrefaceIn many old object-oriented applications, many classes may be scattered in systems with various functions. To use these classes for a function, you need to know all the details before using them in a group of algorithms. If some classes are

1 Preface In object-oriented software, "something" (behavior) is added to the object without damaging its original style. Therefore, the enhanced object is an enhanced version of the same class. Any "enhancement" can be dynamically added or deleted.

1 Preface In object-oriented software design, we can separate related algorithms into different classes to form policies. A design pattern related to this practice becomes a strategy pattern. 2. Details 2.1 Brief Introduction In policy mode, a

    View ---- marker or pin marking a Location Point Click view> CalloutView   Both marker and calloutView are annotation. One annotation corresponds to one view, namely, markerView and calloutView. Therefore, when you customize a callout view,

Directly run the Code:     On cellForRowAtIndexPath:UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];CGRect frame = CGRectMake(0.0, 0.0, image.size.width, image.size.height);button.frame = frame;[button setBackgroundImage:image

Scenario: a pop-up layer contains a Tableview. Each row is a selection condition and only one row can be selected. After the selected style is selected, there will be a color change and a check mark later. After you select another one, the previous

. H file   @ Property (strong, nonitomic) UIWebView * webView;   In the. m file   -(Void) viewDidLoad {   Self. webview = [[UIWebView alloc] initWithFormat: CGRectmake (0,0, 320,480)]; [Self. view addSubview: self. webView];    

/Single-finger click2: UITapGestureRecognizer * singleFingerOne = [[UITapGestureRecognizer alloc] initWithTarget: self3: action: @ selector (handleSingleFingerEvent :)];4: singleFingerOne. numberOfTouchesRequired = 1; // hand index5: singleFingerOne.

  NSError * error; NSString * textFileContents = [NSString StringWithContentsOfFile: [[NSBundle mainBundle] PathForResource: @ "myTextFile" OfType: @ "txt"] Encoding: NSUTF8StringEncoding Error: & error]; // If there are no results,

  // If you want to jump to the corresponding comment page of The appstore in the application, you only need to replace the App_ID in the following address with your own id. You do not need to worry about anything else.// If you want to experiment

This summary summarizes the use of the custom clipboard. In fact, the custom clipboard is also very simple, it is nothing more than releasing the response time, using UIMenuController to customize the clipboard, and then the most critical

Learn about NSString syntax today and add it later; 1. String Traversal   NSString * string = @ "CHENGWULI "; // String Length Int count = [string length]; NSLog (@ "the string length is % d", count ); // Traverse every character in the string For

All along, the special effects of adding images to IOS are through cooperation with the artist. For example, to add a shadow, you can get a shadow from the artist and draw two uiimageviews on the interface, place the shadow below and the image above,