Mobile Develop

1. PushGCM Google Cloud messaging service. (Domestic situation)Long connection, a communication connection is always established between the client and the server. Called PushShort connection, pseudo push, called pollingInstant communication

Principle: The concept of autolock in C + + is realized by using the principle of local variable lifetime limited to the current function or the current code block, which is actually the concept of smart pointers.The setenable of the button at the

Support LibraryAndroid Support V4 : Used on API Lever 4 (i.e. Android 1.6) or later. It contains relatively more content and is used more broadly, for example: Fragment,notificationcompat,loadbroadcastmanager,viewpager,pagetabstrip,loader,

In the previous chapter, we finished reading the Conguration class. Finally, we find that conguration is for the initialization of the database. It contains the memory size, database name, database version, parser information. Public Static

Mobile phone number 3-4-4 controlpackage com.gx_school.util;import com.gx_school.activity.arriveactivity;import  android.content.context;import android.text.editable;import android.text.textwatcher;import 

What is categoryThe category pattern is used to add methods to existing classes to extend existing classes, and in many cases the category is a better choice than creating subclasses. The newly added method will also be automatically inherited by

The jump between appsA: In the first app first do the following actions;1. Add an entry under the Information property list in the Info.plist file: URL types.2. Click on item 0 under URL types, and then click Item 0 To change the URL identifier

1. String concatenationnsstring* string; Result stringnsstring* string1 = @ "WOSHIZTQ"; Existing string, string1 and string2 need to be connected togetherNSString *string2= @ "13456";Method 1.string = [NSString stringwithformat:@ "%@%@", string1,

This article is not perfect, please do not reprint, thank you. When the Demo project is complete, it will be uploaded to my githubpackage com.bipbip.ble;import java.util.arraylist;import java.util.hashmap;import 

http://blog.csdn.net/fth826595345/article/details/9208771 ThemesTextViewReprint Please specify source: http://blog.csdn.net/fth826595345/article/details/9208771Directly on the code, comment commentary:TextView ttext= (TextView) Findviewbyid

In our development, the application will save a small amount of data, such as some strings, some tags or some configuration files, if you go to use SQLite to save the data, it will inevitably appear overqualified, it is inconvenient to use, for this

Http://stackoverflow.com/questions/9654148/android-asynctask-threads-limits Antonyt: All Asynctasks is controlled internally by a shared (static) Threadpoolexecutor and Alinkedblockingqueue. When you execute are on a asynctask, the'll execute

Android animation of the people should not be unfamiliar with the interpolator, this class is mainly used to control the speed of the Android animation, in general, if we do not set, the animation is not a uniform execution, the system by default is

Introduce a very useful studio Tips, sometimes we write too much code inside a method, and then want to extract some code out and put in a separate method, usually we do copy and paste, and now I will teach you a very concise method, Let's take a

After continuous efforts, small brother also bought an Apple device, finally can start my iOS trip, it is really distressing, in order to learn iOS I this poor peasant class, save a few months of pocket money, plus to friends and family for help,

Transferred from: http://blog.csdn.net/xiabo851205/article/details/7991529　　　　This is a function that can create multithreaded messages using the method: 1, first create a handler object handler Handler=new handler (), 2, and then create a Runnable

ios6.0 system comes with share to Sina Weibo(2013-03-21 23:02:58)reproduced Tags: slcomposeviewcontrol slservicetypesinawei ios6.0 share to Sina Weibo At 6.0, Apple's integration with Sina Weibo was really powerful,

A delegate (delegate) is also called an agent, which is a common design pattern in iOS Development. We can easily implement this design pattern with the help of protocol (see blog: OBJECTIVE-C protocol (protocol)).What is an agent?Apple's official

Butterknife is a view injection framework, not lazy programmers are not good programmers. class exampleactivity extends Span style= "color: #000000;" > Activity {TextView title; TextView subtitle; TextView footer; @Override public void

The SQLite database is small and consumes only hundreds of K of memory, and both Android and iOS are SQLite databases.Page:LinearLayoutxmlns:android= "http://schemas.android.com/apk/res/android"Android:layout_width=