Mobile Develop

iOS Learning (UI) Knowledge Point GroomingFirst, about the introduction of UIView1) Concept: UIView is a large container for loading and displaying various types of controls, which is the base class for all UI controls in iOS2) UIView Initialization

ctrl+u: If your cursor is within a method of overriding the parent class (for example: Activity#oncreate ()), this will jump to the implementation of the parent class.If your cursor is on the class name, it will jump to the parent

Commissioned1. Going to start editing-(BOOL) textfieldshouldbeginediting: (Uitextfield *) TextField{return YES;}2.-(void) textfielddidbeginediting: (Uitextfield *) textfield{    //triggered when editing starts, text field will become first responder}

KVC additions and examples how to get values and modify values-–>how- (void) SetValue: (ID) Value Forkey: (NSString*) Key-(ID) Valueforkey: (NSString*) Key-(ID) Valueforkey: (NSString*) key//With key as the identifier, get its corresponding property

Today we learn to tear clothes. Let me first say the principle of tearing clothes: tear clothes There are 2 pictures, a beautiful woman wearing a picture of the coat, a beautiful woman wearing underwear pictures. When we swipe the finger, and then

A lot of information on the Internet, with the passage of time, are obsolete. Most of the time we are constantly configuring things, real programming time to find a lot less.Project to catch the shelves, but back office colleagues leave, the company

iOS Development--Real-world OC & Environment Building Code (play Uinavigationcontroller and Uitabbarcontroller)Here we are directly on the example;One: Create a new project Singleview Controller, name is not IcocosTwo: because we use the pure Code

Uinavigationcontroller&uitabbarcontroller detailedOne: UinavigationcontrollerProperties of the controller:Uinavigationcontroller to save the sub-controller in the form of a stack @property (nonatomic,copy) Nsarray *viewcontrollers;

Get data (based on) afnetworkingGet data type {1.json data (most common)-the data is JSON serialized after it is received and can be used directly.2. String type (general)-data is UTF-8 encoded to obtain the desired data after it is received.3.

[Abstract] There are two ways to call an object directly in iOS, one of which is Nsinvocation, which describes iOS Nsinvocation usage and provides simple sample code for reference.There are two ways to call an object directly in iOS:One is

Recently with the JS class to write things, found an extremely painful thing, that is encapsulated in the class method of the this pointer will often change the point, lost context, resulting in a program error or crash.Like what:function Obj ()

#import //Add system framework Layer. backgroundcolor = [Uicolor cyancolor]. Cgcolor; //Add a background color to the layer Layer. Contents = (id) [UIImage imagenamed:@ "View_bg.png"]. Cgimage; //Add a background picture to the layer

Brief introduction Role Draw Drawing: lines \ triangles \ rectangles \ Circles \ Arcs, etc. Draw text Draw \ Generate picture (image) Read \ Generate PDF \ crop a picture

Creating Backup area buttons and judging results/** Create a reserve selection button*/- (void) Createoptionbuttons: (Hmquestion *) question{//Issue: 21 buttons are recreated each time the next method is called//FIX: If the button already exists and

First of all, the mobile browser is mostly disable the AutoPlay function of video and audio;also, Many mobile browsers do not support the first JS call play method to Play.This is done primarily to prevent unnecessary automatic playback from wasting

One: Android Processes and threadsA process is an instance of a program Running. Android's 4 main components weaken the concept of the process, especially at the app level, without the need for communication between processes.But the nature of the

the first part of the knowledge reserve     a     Span style= " font-size:16px; color:rgb (0, 176, 80); "> controls, such as the most important uiscrollview and uipagecontrol , uiimageview , uibutton        back three without much

1. Methods of trickeryBecause it is not very likely to look at the assembly instructions, so after looking at other People's Problem-solving ideas, they think of a trickery method. o (╯-╰) oPrior to learning the process learned a lot of instructions,

A simple artboard that can be drawn, can be selected for color, can be saved. of course, this kind of tools commonly used communication software will be there, such as qq, flying autumn, etc.Where we have to monitor finger touch events, finger touch

iOS Learning (UI) Knowledge Point Groomingfirst, about the introduction of Uitextfield1) concept: Uitextfield is a control for receiving user input2) Uitextfield Initialization Instance Code:1 //Create a Uitextfield instance2Uitextfield *textfield =[