IOS

IOS: DrawRect & CoreText, iosdrawrect -(Void) drawRect :( CGRect) rect {// Drawing code // Quartz 2D painting environment, a canvas CGContextRef context = UIGraphicsGetCurrentContext (); // border circle background circle CGContextSetRGBStrokeColor (

IOS UI04_Target-Action /// MyButton. h // UI04_Target-Action /// Created by dllo on 15/8/3. // Copyright (c) 2015 zhozhicheng. All rights reserved. // # import @ Interface MyButton: UIView // click the button through MyButton // 1. upload the

UITextFieldDelegate protocol, uitextfielddelegate   Many people think that UITextField is very simple. Why does it write this protocol? Because it may be used in actual development;   For example: The underline color under the text box changes with

Ios ui basics 06 and iosui06 Autoresizing 1. Functions of the four lines around Autoresizing: As long as you select the previous one, the distance between the current control and the parent control is fixed. What is the current

IOS-random name or lottery game implementation     # Import ViewController. h   @ Interface ViewController () { NSMutableArray * nameList; UILabel * label; Nstmer * timer; } @ End   @ Implementation ViewController   -(Void) viewDidLoad { [Super

Teach you how to use Size Class and sizeclass In iOS8, we no longer need to create multiple xib files on a page to adapt to different types of screens, now we can put the adaptation of various screen sizes in one file, and then we can customize

UIScrollView, UIPageControl, uiscrollview       # Import   @ Interface ViewController: UIViewController     @ End   # Import "ViewController. h"   @ Interface ViewController ()   @ End   @ Implementation ViewController   -(Void) viewDidLoad

IOS stage study 31st-day notes (UINavigationBar Introduction), iosuinavigationbar IOS Learning (UI) knowledge point sorting   I. Introduction to UINavigationBar1) concept: UINavigationBar is a class object used to define buttons in the navigation

Mac command, view mac address commandAn error occurred while resuming the Launchpad icon. To restore the Launchpad, You need to enable the terminal application (in the application/terminal), and then enter the following command:Defaults write

The floating Effect of tableViewCell in iOS development, iostableviewcell In fact, I wanted to write a blog for a long time. I just felt that my technology was not good. The writing was not very technical and it was useless. But I thought about it

Objective-C Knowledge Summary (3), objective-c Knowledge Summary Manual memory management MRC First introduceReference Counter: Used to save the current object. There are several items in use (number) Function of referencing a counter: Used to

IOS full-screen background, multiple button location adaptation (swift), iosswift I 've written a lot of blogs recently. In fact, most of them are just a few essays. I just sorted this section and published it. In this article, we will talk about

(High-xiaode car) high-imitation Didi/fast application source code, high-small car "Food, shelter, and Travel" are the basic components of life. With the continuous penetration of the mobile Internet, a large number of travel software

IOS development-Carousel image module (Basic Edition) // Use ScrollView to implement image carousel // ViewController. m // Slider-Carousel /// Created by JamesXiang on 15/7/21. // Copyright (c) 2015 JamesXiang. all rights reserved. // # import

IOS development tips During iOS development, you sometimes need to bring up a soft keyboard for input, and sometimes you need to hide the soft keyboard in some cases to improve the user experience. Today I will share some tips on the soft keyboard.

IOS development-NSDateFormatter The formatting parameters are as follows: G: The age of the public, for example, AD yy: the last two digits of the year yyyy: full year MM: Month, displayed as 1-12 Mmm: Month, displayed as short as the English month,

IOS-write files locally -(void)writeToFileWithString:(NSString*)string withFileName:(NSString*)fileName{ //@"Map_Succ.txt" NSString* fileName1 = [self filePath:fileName]; NSFileManager* fileManager = [NSFileManager defaultManager];

IOS efficient development: Xcode application plug-in and iosxcode plug-inThis article is a non-original article from www.cocoachina.com/industry/20130918/7022.html. The Ancients cloud created a powerful development environment, which is an excellent

Objective-C Knowledge Summary (2), objective-c Knowledge Summary Define two methods for each instance variable: Set the setter method of the variable to get the getter method of the variable value Set Method Writing specifications Get method writing

CALayer animation-use CAShapeLayer to create a button animation similar to a small video, Let alone code. Shows the project. Because the program is encapsulated, you only need to give the frame mview frame in the master controller. The radius of the