IOS

UIView * view = [[[[UIApplication sharedApplication] windows] objectAtIndex: 1] subviews] lastObject]; // obtain a subView of a window NSInteger index = 0; // used to name the saved pngFor (UIView * subView in [view subviews]) {// traverses the

1. Create a single view application iOS application project named CustomView. For example, we do not add any controls to customviewcontroller. xib:2. Create a CustomView. xib. The procedure is as follows:Drag a label and a button to the

1. Use UINavigationController to switch between pages in the event Code implemented in AppDelegate. m.   -(BOOL) application :( UIApplication *) application didfinishlaunchingwitexceptions :( NSDictionary *) launchOptions { Self. window =

Today we are mainly talking about the basis of C. This time we will mainly explain it in detail by code.First of all, the biggest headache is the difference between a = I ++ and a = ++ I. a = I ++ first assigns a value and then increases itself, a =

As we all know, the png images included in the iPhone are already compressed and cannot be viewed directly. However, they can be converted to the source image using tools. Conversion to source ImageAfter Xcode is installed (My installed version is 4

Demo function: provides a panoramic view, which allows you to browse the page from top to bottom, right to back, and right. Demo Description: In the project, pano.jpg is a texture. Place the image on the Ball Model, set the camera to the center of

The following figure shows the debugging results on the ipad.    The following is the code with comments in the Code: [Cpp]//// RootViewController. h// SoundDemo//// Created by on 13-6-21.// Copyright (c) 2013 DoubleMan. All rights reserved.// #

I. Media Player framework Video Playback is complicated because Apple encapsulates their processing in the Media Player framework perfectly. To use the Media Player framework, you must add the MediaPlayer. framework to the project and import in the

1 PrefaceIn object-oriented systems, the design pattern for the iterative behavior of abstract sets is called the iterator. 2. Details2.1 Brief IntroductionThe iterator provides a method to access elements in an aggregate object (SET) sequentially

Let's talk about the results of today, the use of the clipboard and the custom clipboard. Direct call of system clipboard In fact, the whole process is very simple. I will use a custom UILable I wrote to call the system clipboard. First, because

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,

For IOS app development, how does one load the Image in the Image Library to the view? Let's take a look! Operation steps: 1. Create a SingleView project, start the simulator, click the browser on the simulator, drag and drop the local image, then

In the previous study, we learned how to add its Settings for an App, and what types of controls can be added to the Settings items, these controls are managed through a plist. We only need to modify and add the plist to map it to Settings. However,

Problem description: when using the sqlite database in xocde, because there is no graphical interface, sometimes it is difficult to see whether there is a problem with your own database, for example, when I was just getting started with the sqlite

1. Replace delegate. If we have two viewcontrollers, a and B, some events are triggered on B after we push them from interface a to interface B, these times will affect the content on interface. There are two interfaces above. When we click button 3

Http://blog.csdn.net/davidsph/article/details/7899731 If (! _ Timer ){ // Create a timer, which is directly added to the current message loop. Note the difference with other initialization methods. } If (_ timer ){ NSLog

1. Create a Tabbed Application. Projects with two tabs are created by default. 2. Add in AppDelegate. h   @ Property (strong, nonatomic) UINavigationController * NaviView1Controller; @ Property (strong, nonatomic) UINavigationController *

UIDevice   // NSString * strName = [[UIDevice currentDevice] name]; NSLog (@ "device name: % @", strName); // e.g. "My iPhone" NSString * strId = [[UIDevice currentDevice] uniqueIdentifier]; NSLog (@ "unique identifier of a device: % @", strId); //

Previously in the cocos2d-x project using json parsing, integrated libjson library found that most of the parsing methods provided on the Internet get value in the parsing process, and does not save the parsing results effectively, as a result, I

You only need to overwrite the corresponding space. I developed the UIButton control. . H file, as follows: # Import # Import @ Interface ShadowButton: UIButton { UIColor * shadowColor; } @ Property (nonatomic, strong) UIColor * shadowColor; @