Li pengjun, Android Project Director of AI totem, finalized the speech subject: Android audio Port Data Communication Development
Topic Introduction: Li Peng will explain how to implement bidirectional communication between audio ports and external devices based on Android audio interfaces based on the development practices of AI totem and hardware.
Personal Pr
This article describes how to run the JUnit test.
7. How to run the JUnit Test
We have learned a lot of JUnit programs and provided many features in the android ADT plug-in to facilitate unit testing. However, how to perform unit tests, for example, how to run the test example program provided in apidemos \ test, is a bit confusing for our beginners. I also searched for a lot of materials on the Internet, to know how to run the test unit. Therefore, I
(1) Android. App. Fragment: the minimum compatible version is Android: minsdkversion = "11"
Therefore, your application is not compatible with applications under 3.0.
You can use the
(2) Android. Support. v4.app. Fragment: compatible with version 1.6. The ProgramIn the Add or replace method, you also need
Android
[Interview Questions] Android interview questions, questions android questions
Android interview questions
The interview questions collected on the Internet are a good supplementary study of Android theory!
1. Whether the process of android dvm is the same concept as that
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
Learn how to handle android events from scratch
There are a variety of events in android, each of which has its own Processing Mechanism
For example
1
Click Event
View. OnClickListener
Public abstract void onClick (View v)
Triggered when a component is clicked
2
Click Event
View. OnLongClickListener
Public abstract boolean onLongClick (View v)
This course solves the problem of how to understand the beginner's mind of Android architecture design and develop a featured product with Android system with deep customization and soft and hard integration capability.The course takes the five core of Android: HAL, Binder, Native service, Android service (and the exam
Document directory
2.2 focus path
2.3 viewroot, Window Manager Proxy
Android GWES-android Window Management 1 basic architecture principle
Windows Management for Android is in C/S mode. Windows in Android indicates top-level windows and other top-level windows. Decorview is the top-level view of the window. This vi
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
Android development path 04 (beginner android engineers will, you know !), 04 android
Android beginners Android engineers focus on the following:
1. Android development basics:
① UI design;
② SQLite database;
③ Four
Summary:
Android: paddingleft: indicates how much space is reserved in this control.
Android: layout_marginleft: the size of the control to the space of the parent control.
Android: paddingleft: indicates how much space is reserved in this control.
Android: layout_marginleft:
It refers to the space of
Because often open notebook work, tired of sitting on the bed to play mobile phone, but at night to sleep and don't want to get out of bed to shut down the computer, want to do an Android software to control the PC side shutdown and restart. To achieve this, you have to communicate between your Android phone and your PC, so you can do it with socket programming.==================================The use of S
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