Mobile Develop

Please consider the following situation:In the database upgrade, different versions of the database, they define the table structure may be not the same, such as V1.0 table A has 10 columns, and in V1.1 table A has 12 colum, when the upgrade, table

This article was reproduced from: http://www.oschina.net/p/afinal/Afinal Introduction Afinal is an Android-SQLite ORM and IOC framework. It also encapsulates the HTTP framework in Android, making it easier to use; With Finalbitmap,

Now in touch with a project developed by Apple iOS, use the keychain to implement data sharing between apps published under the same signature. Now share the experience.The project was carried out in the XCODE6.2 development environment.There are

Ways to change the Alertdialog title Google is currently not available, only through other meansOne way is: first in the source code to find a class called Alertcontroller, this class is Alertdialog implementation class, is not public, and then in

This is already the fourth chapter of "Step-by-step learning ANDROIDNDK Programming" , in which we will pass code to C code in Java.First, we create a new Android project "Ndkdata",The first step:The same first declares the native method, as follows:

Add different Prefix to the href in a tag on HTML to implement different actionsTel: on the phone you will be asked if you want to dial, for example: mailto: e-mail link, will be opened with your mailbox, for example: file: not much different from

When I recently browsed an article about the stream of events, I mentioned the flow of data, and I wanted to see if I could implement one on the Android side.According to the article, each time the data change events, such as inserting, deleting or

#include #include #include #include #include #include #include #include #include #include #include //determine if the directory bool Is_dir (const char *path) {struct stat statbuf; if (Lstat (path, &statbuf) ==0)//lstat returns

get file path based on file name (under document directory)//get file path based on file name-(NSString *) DataFilePath: (NSString *) Sender {Nsarray*path =nssearchpathfordirectoriesindomains (NSDocumentDirectory, Nsuserdomainmask, YES);

Android Quick Debug Method the current on-market OTT network set-top box almost all use Android system, the company is currently many people using a compiled server, compiling an Android system takes a long time, Debugging Android part of the

In the last word, we introduced the multi-MVC pattern and the Segue transition in detail, which is explained by a new demo.We are building a new psychologist project. Change the name of Viewcontroller to Psychologistviewcontroller. So what does this

Original address: http://blog.csdn.net/shangyuan21/article/details/18153605We all know that Mac is needed to develop mobile apps for iOS platforms such as iphones, but Macs are expensive, so we can use VMware to install Mac OS on Windows7 to

Sometimes write a program need to call the system library, if the permissions are not enough, there are some methods in the library. You will need to sign the APK system.Simple and common method:1, add android:shareduserid= "Android.uid.system" to

Now let's talk about how Android operates the database and several common android dialog boxes. The usual, use a picture to introduce today's content.If you can't see the picture, you can right-click the new window.First, SQLite databaseSQLite, a

The first Django app we're going to make a polling site.He is made up of two parts: A common interface allows users to vote A management interface, to vote on the deletion. First of all, you have to create a new project, just one

1. In project settings, add Chinese and English to two languages:2. New Localizable.strings file, as a multilingual dictionary, store multiple languages, click on the right localization, check the English:3. Add a field,In 中文版, add: Submit_btn_title

"1" Installation JDK (Jdk-8u5-windows-x64.exe)To test whether the installation was successful, click "Start"----"Run"----Enter CMD, enter "Java-version" at the command prompt and press ENTER to appear, which is the successful installation."2"

April 18, 2015, sponsored by the AIDS Advisory Group, 21st Century Media Group, the most influential China Internet Finance Development Summit will be held in Qianhai Shenzhen-Qianhai Enterprise mansion. The Summit invited the founders and

Previously wrote an Android NDK development Swig compiled JNI interface. Look at this article do not understand, look to see. C + + and Java Some language structure still have a certain difference, for example, C + + structure, some function return

The basic Java Essentials for Android developmentJava type SystemThere are two types of Java language base data type: Object and base type (primitives). Java ensures type safety by forcing the use of static types, requiring each variable to be