Mobile Develop

Multi-Touch (MultiTouch) refers to a technique that allows a computer user to control a graphical interface through multiple fingers at the same time. and multi-touch technology is a single touch, single touch device has been for many years, small

Capturing images in iOSIf reproduced, please indicate from the blog parkYou need to specify an object to capture the picture. The code is not much, I'm not very good at it.1 /**2 * Large graph cut Small map3 *4 * @param bigimg Large Map5 *6 *

1. PrefaceEvery iOS siege lion wants to come into contact with. crash fileso what is the. crash file?All crash records for iOS apps are recorded on the device, so for iOS developers who have no integration with me to send crash reports, the crash

In Android we often use Alertdialog to display dialog boxes. Through this dialog box is displayed in the center of the screen. In some programs, however, the Requirement dialog box can be displayed in a different location. For example, above or

I. Scenarios and causes of the oom problem A good app always has beautiful pictures, so the loading of images in Android development is always avoided, and in the process of loading pictures, if handled improperly, there will be oom

In Android or Java development, there are four ways to implement the button's Onclicklistener, and you can choose the appropriate usage as needed.Method One:Fit Scene: UniversalButton Bt_demo = (button) Findviewbyid

Encountering Problems and Solutions? ? This article is a summary of the first project in Java to ios-, analysis of some problems encountered and solutions, share some of the harvest. 1.UITableView Sliding lag optimization?? Because UITableView there

Reference Document http://blog.csdn.net/crazyzhang1990/article/details/44243343The red part is my own supplementary noticeBefore Xcode6, create a new project Xcode automatically creates a "project name-prefix.pch" file under the supporting Files

1. Custom albums (compatible with IOS7 iOS8) - (void) Viewdidload {Search all photo albums in the library[Assetslibrary enumerategroupswithtypes:alassetsgroupalbum usingblock:^ (alassetsgroup *group, BOOL *stop){Compare the names of the

The content of this article comes from TalkingData's mobile game data Analysis Whitepaper, just a simple transcription.I. User acquisition (ACQUISTION)Number of new users (Daily new USERS,DNU): Number of users who register and log in to the game

 Send NotificationsThis email will discuss how to get the Power status on your Android device and we will use the broadcast to accomplish this goal.What is Broadcastreceiver?A broadcast receiver is an Android component which allows the register for

Original address: http://blog.csdn.net/shangyuan21/article/details/18416537In an article on Windows7, using VMware to build the iphone development environment describes how to install the Mac OS X operating system on Windows, this article describes

First, the contents of the notification bar1. Icons2. Title3. Content4. Time5, the corresponding after the clickSecond, how to implement the notification bar1, get Notificationmanager.2, display the notification bar: Notify (id,notification);3, the

Objective:In the project development, often need to use the network. And the user's network environment also needs our developer to pay attention to, according to the different network state to make the corresponding optimization, enhances the user

Brief: This article for mobile internet Li Jianhua in the "Everyone is Product Manager" group to do a share of experience, the article is mainly written when you have 100,000 or hundreds of thousands of of users, how to use some high-end strategy

In the previous session, we introduced the knowledge of extensions and protocols, which we introduced a very important concept delegation (proxy), the agent is a very important application of the protocol. Let's review the knowledge of the agent,

1. Trigonometric FunctionsDouble sin (double); sineDouble cos (double); cosineDouble tan (double); tangent2, Inverse trigonometric functionDouble asin (double); Results between [-PI/2, PI/2]Double ACOs (double); Results between [0, PI]Double Atan

A grand event on mobile Internet testing technology, hosted by Testerhome , is about to open in early summer in Beijing.As long as you pay attention to quality, love testing, look forward to learning, you are welcome to join us in this mobile

Data encryption plays an important role in the software development process, and some companies may have their own internal design algorithms when encrypting, and in this regard do not want to waste too much effort to consider using third-party

nsurl* URL = [[Nsurl alloc] initwithstring:@ "Http://blog.csdn.net/iukey"];[[UIApplication Sharedapplication]openurl:url];nsurl* URL = [[Nsurl alloc] initwithstring:@ "tel:110"];[[UIApplication Sharedapplication]openurl:url];iOS Call call three