android for dummies

(1)Android SDK (Android SDK master installation package, including SDK Manager, AVD Manager, Toolkit tools, released root folder android-sdk-windows): Revision 22.2.1http:// Dl.google.com/android/android-sdk_r22.2.1-windows.ziphttp://dl.google.com/

Android-async-http Project Address Https://github.com/loopj/android-async-http,android-async-http, as the name implies, is an asynchronous HTTP request, but it also supports synchronous request , this article mainly uses the android-async-http to do the asynchronous request to download the file. Whenever the app needs

[Learn Android while working on projects] Xiao Bai will encounter problems -- This Android SDK requires Android Developer Toolkit version 23.0.0 or abve, androidadt23.0.0Problem description: In the previous article, we talked about reducing the adt version to solve the Appcompat_V7 problem, so we changed the old version 22.3.0, re-opened Eclipse, and immediately

Android development: Android device sensor Development Summary, android Sensor In this article, I will share with you how to develop Android device sensors. Please indicate the author xiong_it and link: http://blog.csdn.net/xiong_it/article/details/45917009 Android sensor de

implementation. The implementation of the method is completed in the subjectimpl class, the proxy class implements forwarding some method calls to the subjectimpl class. When the client accesses the client through a unified subject object, the forwarding is actually completed through the proxy class. In this way, interface access and interface implementation will be isolated, and only through the basic interface class subject for interaction, thus reducing the design coupling. The following fig

This article introduces the JUnit-based Android testing framework. 5. androidtestrunner As we learned more, we found that android was ignored in the previous section. an important class in the test package, androidtestrunner, is Android. the core class of the test package is described in detail below and some related content is provided. Testlistener interface in

Android automated testing (1) concept of Android automated testing principles and Android principles I. First, let's talk about the principle of automated mobile phone testing.1. The principle of mobile phone automated testing is that a control terminal (Test Tool) on the PC is connected to an agent terminal on the mobile phone through serial port, USB, or wirele

Talking about Android Application protection (I): The basic method for reverse engineering of Android applications, and talking about android There are many methods and ideas for unprotected Android apps to conduct Reverse Analysis and attacks. By using some basic methods, you can break the confidentiality and integrit

From the perspective of enterprise-level business practice, 24 hours through 23 hands-on practical cases, the gradual progress of the Android business-level application development points conquer, Based on years of Android (6 complete hardware products and more than 20 application software) development and enterprise-level training experience (more than 150 times Android's enterprise internal training and p

Now there's an Android project A. We wanted to extend the functionality of a, but didn't want to develop on a basis, so we created another Android project B and wanted to refer to a in B. One idea is to make engineering a a pure jar bag so that other projects can be referenced directly. However, if you use a reference in R.java in Project A, you cannot make a jar package. The reason is that R.java are gen

Everyone android is a good mobile phone application software, we use the time to find his home page layout is nine mode, people feel very chic, because now a lot of Android software rarely use this layout mode, everyone Android use is very successful, Make people feel simple and generous and beautiful, let's look at the layout of

Objective Since most of the Android beginner's tutorial doesn't teach you how to choose time, beginners encounter this kind of inevitable will be a bit overwhelmed, should let the user enter the date time? Not to say that the user experience is not good, processing users to enter a variety of date format will also take a great deal of effort, below to see how to achieve the Android selection time function.

Android Studio is a Google Android development environment, similar to eclipse development and debugging, is a tool development software. Android Studio 1.0 has recently been released. For more information, view the page. Install using the PPA, very convenient, open the terminal, enter the following command: sudo add-apt-repository ppa:paolorotolo/

The generated Android application APK file is best optimized because the essence of the APK package is a zip-compressed document that optimizes the orderly arrangement of uncompressed data in the package, reducing the memory consumption at the time the application runs. We can use the Zipalign tool for APK optimization. Zipalign is an important tool for optimizing APK applications, according to the Android

Whether Android can change the embarrassing situation of Linux smartphones-Linux general technology-Linux technology and application information. The following is a detailed description. Have you ever used a Linux smartphone? For example, Motorola's E680 and A780. Are there very few software available for these so-called "smart" mobile phones, and only copies of Java software can be used for downgrading? The current situation is: you have purchased a

MediaPlayer is implemented at the underlying layer based on the OpenCore (PacketVideo) Library. To build a MediaPlayer program, the upper layer also contains inter-process communication and other content, the basis for inter-process communication is the Binder Mechanism in the basic Android library.In today's example, we only use MediaPlayer to play a beautiful English brother love foolton In the res/raw folder. The program has three ImageButton butto

From the perspective of enterprise-level business practice, 24 hours through 23 hands-on practical cases, the gradual progress of the Android business-level application development points conquer, Based on years of Android (6 complete hardware products and more than 20 application software) development and enterprise-level training experience (more than 150 times Android's enterprise internal training and p

One, all caused by a run-time error DALVIKVM Could not find class ' reference package. Class ', referenced from method ...In fact, at compile time will also see the following error:[DX][DX] Trouble processing:[DX] Bad class file Magic (Cafebabe) or version (0033.0000)[DX] ... while parsing com/novell/sasl/client/digestchallenge.class[DX] ... while processing com/novell/sasl/client/digestchallenge.classSecond, try 1. Using JDK7It is recommended to use JDK7 to solve similar problems, but I did not

[Android] the Android program is automatically updated and the android program is automatically updated. The steps for automatic App update are as follows: The following three steps will be explained, with the corresponding code interspersed. The three steps of automatic App update are encapsulated into a separate Updater class and can be used directly, I will p

Android development self-study note (Android Studio1.3.1)-3. Android Application structure parsing, androidstudio1.31. What is the R file? Permission Description ACCESS_NETWORK_STATE Allow applications to obtain network status ACCESS_WIFI_STATE Run the application to obtain the WIFI status BATTERY_STATS Allow applications to obtain Battery status