IOS Drewrect method

You don't need to override the This method if your view sets it content in other ways.By the time this method is called, UIKit have configured the drawing environment appropriately for your view and you can Si Mply call whatever drawing methods and

Use of categories in iOS

Three major functions of the category1. Add methods to existing classes, you can increase the object method, or you can add static methods.If the added method is a method of this kind, then this method may overwrite the original method or it may not

A singleton in iOS

#import "Singleton.h"@implementationSingletonStaticSingleton *singleton =Nil;+ (Singleton *) sharesingleton{@synchronized (self) {if(!Singleton) {Singleton=[[Self alloc]init]; } returnSingleton; }}+ (ID) alloc{@synchronized (self) {singleton=[

Android 5.0 Activity Toggle Animation

In Androiod5.0, Google defines the specifications for the material design. And animation switching, can give users an intuitive and consistent experience, is also respected by Google.For this reason, in Android5.0, Android has supported a number of

Basic use of Android in Expandablelistview control

In this article, the demo is designed to show Android in Expandablelistview use control, such as the group/son ListView bound data source. The code is as follows:Program Structure diagram:The Main.xml file source code under the Layout folder is as

IOS Pull-down refresh simple implementation code

Generally speaking of pull-up refresh drop-down refresh, many people may think of a third-party open source framework Egorefresh, below, how to write their own code implementation.UITableView itself is a uiscrollview, so uitableview can implement

Mobile Touch-screen carousel (perfect version)

ios Carousel Diagram Simplified version Mobile-touch-screen Carousel (Perfect edition)

MySQL Master backup monitor slave status Nagios script

#!/bin/bashcmd= ' mysql -uslave -ppasswd -p3306 -h 192.168.0.72 -be ' status= ' $cmd   ' show slave status\g ' seconds_behind_master= ' echo  "$status" |awk  '/seconds_behind_ Master/{fs= ":";p rint $2} ' read_master_log_pos= ' echo  "$status" |awk 

Android Streaming layout implementation

View all my open source projects "open Source Labs"Welcome to join my QQ group: "201055521", this blog client download "please click"SummaryThe new project used a new layout ———— Android label streaming layout features, just keep saying that the

Android app plug-in development solution

Transferred from: http://blog.csdn.net/arui319/article/details/8109650First, the real demand descriptionIn general, an Android application in the development to a certain stage, the function module will be more and more, the APK installation package

Android Activity Personal Understanding

Activity is important in Android development, where each display is an activity in an app. Activity in the API on Android. Under the app package, it inherits some of the

"Android Personal Understanding (ix)"

This blog begins with the life cycle of the activity and the task (the concept of the activity stack) to illustrate the sequence in which the program executes (that is, the order of the Call life cycle method) in several cases (such as when a

The "Android" uses the relative layout layout to update the software's style as the activity of the theme dialog, using the Layout_weight property to divide the row of the table layout

In Android layouts, you can also use a div layout with a Web page, specifying the width as a percentage. It is also possible to use style as the activity of the Theme dialog box to complete modal windows like vb,c# or the absolute layout in a Web

Android Learning 11: Use of the German map

There are three main purposes of writing this article:1. Use the high-D map API to locate2. Get Weather Data3. Programming practiced handFile structureManifest file Information Description:XML version= "1.0" encoding= "Utf-8"?>Manifestxmlns:android=

Unit testing under Android

Unit tests under Android Configure the following information in the Androidmanifest.xml file: add: add: Note: The tested class must inherit the Android.test.AndroidTestCase classUnit testing under Android

iOS Development--Network Programming Swift & (II) same/XOR & step Request

Same/XOR & step RequestSynchronous:1 //MARK:-Sync Request2 func httpsynchronousrequest ()3 {4 //Create a Nsurl object5var url:nsurl! = Nsurl (string:"http://m.weather.com.cn/data/101010100.html")6 7 //Create Request

Education Management System--android Parent Client

  Recently made a small Android project, the server has been set up, using spring MVC as a back-end technology, published a series of web interfaces to accept the data submitted by the client and return the data requested by the client, the Web side

iOS Development--Practical technical article Swift & System sound

System sound1 //MARK:-System sound2 /*-----System Sound------*/3 @IBAction func systemsound ()4 {5 //Systemsoundid object created by6var soundid:systemsoundid =07 8 //get the address of a sound file9var path =

iOS Development--Practical technical article Swift & Photo selection

Photo Selection1 //MARK:-Select photos2 /*-----Select a photo------*/3 @IBAction func addimagebuttonclick ()4 {5Let Actionsheet = Uiactionsheet (title:"Please select",Delegate: Self, Cancelbuttontitle:"Cancel", Destructivebuttontitle:nil,

iOS development--ui article Swift &uidatepicker

Uidatepicker1 //return button Events2 @IBAction func backbuttonclick ()3 {4Self.navigationcontroller?. Popviewcontrolleranimated (true)5 }6 7 8 Overridefunc viewdidload () {9 super.viewdidload ()Ten

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