Mobile Develop

http://my.oschina.net/u/586684/blog/2078441. use a conservative service2. free memory When the view becomes hidden :　　When a user jumps to a different app and your view is no longer displayed , you should release the resources that the app view

iOS bluetooth developmenthttp://blog.csdn.net/xufeidll/article/details/24022261http://blog.csdn.net/swibyn/article/details/20531593Since the iphone needs to interact with third-party Bluetooth devices, the Bluetooth development started.After

When you start to write iOS programs soon, you should start to face a lot of delegate,Whether you use someone else's library or write your own library, you may not be able to escape delegate.In order to fear that some people do not know what is

When the Android app is updated, if the database modifies the field, the database needs to be updated and the original database data is retained:This is the original database table.Create_book = "CREATE TABLE book (BookId integer primarykey,bookname

Transferred from: http://blog.csdn.net/t12x3456/article/details/17353049With the launch of IOS7, a large number of mobile applications have also begun to be redesigned. And began to apply a lot of flattening. It can be said that the design of iOS

Singleton mode is used in the actual project development of a more than a design pattern, the design principle is that the whole system only produces an object instance, through a unified method to provide external use of this instance.In Java,

Sometimes the action is to prevent the user from responding to the next one at the end of a response. But some test users are going to be a little bit more mad. It's like this kind of malice is going to prevent.Of course, there are some asynchronous

First, Androidmainfest registered broadcast events.1. Create a class that inherits from Broadcastreceiver, and onreceive the method of replication.2, in the Androidmainfest file with the receiver tag for the corresponding registration, set the class

ID MYOBJ = [[Nsclassfromstring (@ "Myspecialclass") alloc] init];AndID MYOBJ = [[Myspecialclass alloc] init];is the same. However, if you do not have the Myspecialclass class in your program, the following is an error, and the above notation simply

1.src file: Java source Code Storage directory2.Gen File: Automatically generate all files automatically generated by Android development tools, the most important in the directory is the R.java file, which is automatically generated by the Android

application Installation and startup process:Installation: The first step: the Java compiler will compile this. java file into a. class filePart II: The Android SDK provides a DX tool that escapes the. class file to a. dex filePart III: Packaging

1. The so-called manifest file is the Androidmanifest.xml file in the project, which is of great use, such as: The name of the app, the icon, the package name of the app-supported version of the app, and so on. Let me introduce the various

Just saw an article, titled "Mobile Terminal Strategy big adjustment, subsidy will die, Apple Samsung" Sad ", this article means that in the past, mobile to the terminal subsidy is larger, to pull the terminal sales is very important, and now the

a few days ago the need to implement an Ethernet function saw the EthernetSourcesection, see the Source section in the message processing, found that there are some different places:  When I am dealing with messages:  1, first create Handler object:

Put the problems listed, if there is a solution, I will write down, if you have a better solution, welcome message OHPhoneGap 2.9 cannot trigger Deviceready eventPro can see the console has a wooden error, if prompted Cordova_plugins.json 404 (Not

iOS Development Project Article-10 alignmentOne, about the four easy to confuse attribute comparison explanation1. textaligment : Alignment of the horizontal direction of the text(1) valueNstextalignmentleft = 0,//left JustifiedNstextalignmentcenter

In the case of a locally published service, when invoking the server service on the phone, the Access rest address host name is changed to the IP port number (192.168.1.100:6080) and must be an intranet to access

First step: Configure Androidmanifest.xml, add the following code below the application nodereceiverAndroid:name=". Networkconnectchangedreceiver " > Intent-filter> ActionAndroid:name= "Android.net.conn.CONNECTIVITY_CHANGE" />

IMEI number, Iesi number, phone model:[Java] private void GetInfo () {Telephonymanager mTm = (telephonymanager) getsystemservice (Telephony_servi                 CE);                 String IMEI = Mtm.getdeviceid ();                 String IMSI =