Mobile Develop

1. Create a directory in documentsCreate a directory called Test, first find the documents directory,[CPP]View Plaincopy Nsarray *paths = Nssearchpathfordirectoriesindomains (NSDocumentDirectory, Nsuserdomainmask, YES); NSString

Download Images asynchronouslydispatch_queue_t Queue =dispatch_get_global_queue (dispatch_queue_priority_default,0);dispatch_group_t group =dispatch_group_create ();Dispatch_group_async (group, queue, ^{NSData *data =

backgroundFor ListView, GridView, Gallery, spinner, and so on, it is their adapter, directly inherit from the interface class adapter, use Baseadapter need to rewrite a lot of methods, the most important of which is GetView , because this involves

Http://bbs.chinaunix.net/thread-3654213-1-1.htmlTo accommodate a wide variety of interface styles, the Android system offers 5 layouts, 5 of which are:LinearLayout (Linear layout)Tablelayout (Table layout)Relativelayout (relative

volley is Google I/O 2013 launch of the network Communications library, before volley launch we will generally choose a more mature third-party network Communications library, volley is a network communication library on the Android platform that

Let's see how Nsfilemanager is used. This includes creating files, directories, deletions, traversing directories, and so on.1. Create a directory in documentsCreate a directory called Test, first find the documents directory,

This article is a detailed analysis of the method of referencing another Android project in Android. Need a friend to reference underNow there's an Android project A. We wanted to expand the functionality of a, but did not want to develop on a basis,

Although the use of Facebook and path is not very high among domestic users, the innovative design of the two apps for menus has been adopted by many developers and designers. When the user clicks on the "Hamburger" icon to open the sidebar, the

1. Rvalue Reference Background introducedThe inefficiency caused by the generation and copying of temporary objects has been a problem that C + + has been criticized. However, the C + + standard allows the compiler to have complete freedom of

Turn from: http://blog.csdn.net/jymn_chen/article/details/21552941 assertion testThe following is a total of 18 assertions (the SDK is also 18, meaning transferred from the iOS UnitTest learning notes, really admire the original blogger, some of the

Using the SDK in 1.XcodeAdd LIBBIAPOST.A to project in a file that uses the Biapost SDK:#import "BiaPost.h"Then register the configuration parameters. Configuration parameters include:kBiapostApi：API地址kBiapostAppKey：Biapost CMS后台申请的App

Panpan @ 2013.10.05, 09:34 amOne day, Patrick Mcconlogue announced that he was going to teach a homeless man to learn the Java language and help him develop an app that belonged to him. Patrick, 23, a software engineer, meets the Tramp every day on

Finally:Way 1, using a dictionary arrayBeyondViewController.h beyondviewcontroller.h// 10_tableview//// Created by Beyond on 14-7-25.// Copyright (c) 2014 Com.beyond. All rights reserved.//#import @interface

A while ago just moved home, plus the company to send a new version, so has been relatively busy, the article is not updated for several weeks. I don't have time for this weekend, just hanging out in the week.Discover this great third-party open

Sometimes our application may need to determine if the current device is networked1 Private voidinit () {2 /**get system-level networking administrator Objects*/3Connectivitymanager manager = (Connectivitymanager) This4 . Getsystemservice

IntroductionThere are two ways to simulate a click event in Android by simulating the motionevent, and by using ADB to achieveThe first: The general method of analog motionevent is as follows:private void Setsimulateclick (view view, float x, float

Beautiful face Test1,ios is how to do memory management, what is arc.2, when declaring the property, assign,nonatomic,readonly,retain,copy (What do you mean, the parentheses don't print out, I guess)Does 3,delegate need retain?4, what is designated

What is FragmentSince Android 3.0 introduced the concept of fragments, according to the translation of the word Sea can be translated as: fragments, fragments. Its purpose is to solve the dynamic and flexible UI set -up for different screen

Official website guide:http://developer.android.com/training/implementing-navigation/nav-drawer.htmlOfficial Website Example: Navigationdrawer.zipAndroid.support.v4.widget.DrawerLayout drawer layout. The widget can only implement left-to-right,

Common usage of IOS nsstring//1, creating constant strings. NSString *astring = @ "This is a string!"; 2, create an empty string, give the assignment. NSString *astring = [[NSString alloc] init]; Astring = @ "This is a string!"; /3, in the above