IOS

In the past few days, due to a problem with the local network, all webpages except Q and Weibo cannot be accessed. The blog has not followed up. I recovered today, so I continued to update my blog. I also hope you can continue to comment on it or

Author: Sun Dongfeng)   In the actual programming process, some common functions are usually made into function libraries for use by other programs. One is to reuse the code, and the other is to keep the core technology confidential. Therefore, in

    Open monoDevelop and select Start a New Solution.   Select the iphone Window-based Project name firstViewController. OK.   Then, press OK to automatically create the following files,   Main. cs content     Using System; Using System.

(1) genie Any two-dimensional bitmap image that can be freely moved on the screen independent of other things; (2) genie table Images containing more than one Genie are called Genie tables. A genie table is an image that contains a series of Sprite

  EXC_BAD_ACCESS This exception is usually caused by the previous error code and won't be interrupted immediately, but is caused by exceptions of other normal running codes, so it is difficult to debug. Common causes include: Release double

  I. UILabel (1) initialize UILabel   UILabel * scoreLabel = [[UILabel alloc] initWithFrame: CGRectMake (self. bounds. size. width/2), 0.0, 150.0, 43.0)];   ScoreLabel. textAlignment = UITextAlignmentCenter;   ScoreLabel. text = @ "I'm Andy --

I 've been in the company for four and a half months, and I 've been able to write some things from a little white guy who's programming the client games. Of course, I 'd like to thank you for nine days, I don't want to talk about the other

// Obtain the file path NSString * path = [[NSBundlemainBundle] pathForResource: @ "user. plist" ofType: @ ""]; // Obtain data NSMutableDictionary * dict = [[NSMutableDictionaryalloc] initWithContentsOfFile: path]; NSString * object = [dict

// In web. config in asp.net, you must enable the get or post method. // Iphone code NSString * urlString = @ "http://www.yoursite.com/web.asmx/HelloWorld2? Say = aaabbbccc "; NSURL * url = [NSURL URLWithString: urlString]; NSURLRequest *

I have used ImagePickerController and should be familiar with this Code: UIImagePickerController * imagePicker = [[UIImagePickerController alloc] init]; ImagePicker. delegate = self;   ImagePicker. sourceType = sourceType;   If (popover ){ [Popover

The last time we introduced the implementation principle of helloWorld, most of the Code is automatically generated by the project template. Today we are going to study how to add button and button listening to Iphone applications, first, create a

In the project, I encapsulate the pop-up and click events in a tool class. It is important to implement the Protocol in the tool class when calling this tool class, the method of this Protocol is to tell the page which button of the dialog box is

SQLite is a simplified version of MySQL. It is used on mobile devices or small devices. The advantage of SQLite is its portability. It can run without a server. It also has some defects. First, it does not provide a simple database creation method

Target Common View Controllers View Controller Functions MVC in iOS Create a multi-view application   1. Common View Controllers UIViewController View Controller parent class Each View Controller has a master view.   UINavigationController Tree

Target Review basic concepts of IOS development Measure the test taker's knowledge about the commonly used components in the IOS UIKit framework-UIWindow and UIView. Common screen elements and views Create a project from 0 Understanding how to use

1. the status bar generally has a height of 20 pixels. When you call a mobile phone or display a message, the status bar will be enlarged to 40 pixels. Note that the status bar with a height of two times can only be used in portrait mode. For

UIScreen (screen), UIWindow (window), and UIView (View) are several basic interface elements of IOS. UIWindow and UIView are visual components used to construct the user interface for iPhone applications. UIWindow provides a background platform for

Sometimes we may need to copy the text on UILabel or the image of UIImageView. By default, UILabel and UIImageView do not respond to the Touch event and cannot be copied, then we need to implement a replicable UILabel. Add a new class inherited from

  I. Method Introduction 1. + (id) fileHandleForReadingAtPath :( NSString *) path; open a file to prepare for reading   2. + (id) fileHandleForWritingAtPath :( NSString *) path; open a file to prepare for writing   3. + (id)

The Code has several attributes that are not frequently used: @ Property (nonatomic, getter = isContinuous) BOOL continuous; // if set, value change events are generated any time the value changes due to dragging. default = YES This is an attribute