Mobile Develop

When writing Android programs often use a lot of pictures, different pictures will always have different shapes, different sizes, but in most cases, these images will be larger than the size of our program. For example, the pictures in the system

Part One people ask you how you feel about this. Basic question1.UIWindow and UIView and Calayer's contact and difference?A: UIView is the base class for the view, Uiviewcontroller is the base class for the view controller, and Uiresponder is an

Create a new album under iOS8, then manually delete this "Linda Xiao" album in the album, and then use the following code to recreate "Linda Xiao" album is No problem: [assetslibrary addassetsgroupalbumwithname:@ "Lin Xiao Xi"                        

Fragment is a sub-module of activity introduced in Android 3.0 (API level 11). The original intention is to adapt to the large-screen tablet, we only need to use fragment to group the UI components, modular management, it is easy to run the process

1 , define(1) block is a data type in OC and is widely used in iOS development(2) ^ is a unique mark of block(3) Block implementation code is included in the {}(4) In most cases, the way inline functions are defined and used(5) block is somewhat

Recently upgraded the telecom 4G, sad to find the phone can not network, 3G is not.Run the telecommunications business Hall after the sale, after-sales staff said that recently there are 4 of such cases, their cards to other mobile phone 4G normal,

Just wrote a blog, mentioned in the use of xutils a problem encountered in the Android Xutils framework Httputil GET request cache problem, since the problem has been raised, then I think about the previous use of xutils encountered a few small

Official documentation indicates that Android development should avoid using enums (enum classes) because it takes more than twice times more memory than a static const enum. Ginseng

Android Custom View Draw AlarmThis article simply implements an alarm clock, extending the View,canvas drawingThe effect is as follows:The code is as follows:

When we develop the GIS system, the first thing to solve is the visualization of the map, the crux of the problem is how to convert the coordinates of the map to screen coordinates, and then to render coloring, labeling and so on. The following is

Recently changed a job, work for about one months. It's almost two months without a blog update. In the new company itself wrote a more generic iOS that can be architected for a medium-sized application that is not considered a framework structure

1. First we use an example case to elicit an exception:(1) Layout file activity_main.xml:1 Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"2 Xmlns:tools= "Http://schemas.android.com/tools"3 Android:layout_width=

Why do we need Intentservice?Intentservice in Android is inherited from the service class, before we talk about Intentservice, let's think about the features of the service: the service callback method (OnCreate, Onstartcommand , Onbind, OnDestroy)

Invalid certificate chain (Received fatal alert: certificate_unknown)! This is due to the product push keychain when the certificate is directed. P12 instead of the Apple Production IOS push services:xxx. P12remember to choose to export the

Beginning in 2015, more and more consultation app began to go online, have ushered in their first batch of users, at the same time, also ushered in a large number of capital, some well-known diagnostic app can even be a single round to obtain more

Tools used: Product--AnalyzeThe tool is simple to use and can perform memory analysis during code compilation to identify potential memory leaks in your code. Without the need to actually run.At the end of the analysis, you will get information

Android Volley DownloadAndroid Volley is a very useful third-party open Source network communication framework on Android platforms. Use simple answer, powerful.Now I put the Android Volley library jar package Volley.jar for everyone to download and

0. pre-article Gossip as a native desktop application developer (VC, Delphi) to change the Android rookie, the abuse of heart is a myriad of things: install a development tool to download an SDK for a whole night; in the morning to work in the open

1 , overview(1) Run Loop provides a mechanism for executing code asynchronously and cannot perform tasks in Parallel.(2) in the main queue, main run loop works directly with the execution of the task, handling UI events, timers, and other

Cocos lua binding sentiment --- How tolua_isusertable and lua can access cocos static functions I am still a newbie. I don't know much about it, so the language may be a bit obscure. Sorry !!   TOLUA_API int tolua_isusertable (lua_State* L, int lo,