Android contains a group of C/C ++ class libraries used by various components of the Android system. These class library functions are exposed to developers through the Android Application Framework. Some core class libraries are listed below:
System C library------ Derived
Android-eclipse shared library and exported jar package [conversion], androideclipse
Directory (?) [-]
When android apk is developed on eclipse, you sometimes need to import some classes in other packages. The normal method is to add the jar package to the library in java build path!
Reprinted with the source: http:/
1, download header filethe latest Android uses the Bluedroid Bluetooth library. The research Androhid uses the BlueZ Bluetooth library. To BlueZ downloaded a, inside the directory structure and files are different. Search for half a day, search the Android BlueZ.git clone Https://android.googlesource.com/platform/exter
If you manually configure the build path and add sdk1.5 Android. jar to some projects, you may encounter the following compilation error:
>Attempt to include a core VM class in something other than a core>Library.>It is likely that you have attempted to include the core library from>A desktop>Virtual Machine into an application, which will most assuredly not>Work
In Android development, we may have an Android project-properties-android the following "is library", indicating that the project as a class library for other Android projects to reference.For example, suppose you have a class
we have to implement a jar package--ant-contrib-1.0b3.jar in order to be able to package in batches (loops).Everyone can go to my Resources page download, attached download link--http://download.csdn.net/detail/litianpeng1991/8396465After the download is done, you must change the suffix name from zip to jar, and then copy the jar package to the apche-ant-1.9.4/lib/folder.Then it's our turn to project into the entry.1, first we enter the project directory, enter the command, the command format i
Many projects are used in the category of20284, the effect of the left swipe menu, such as FACEBOOK,EVERNOTE,VLC for Android and so on, this is coolThe source code can be downloaded from GitHub's https://github.com/jfeinstein10/slidingmenu.The Actionbarsherlock project will be used during the transplant to http://actionbarsherlock.com/download.html download. (All two under the latest version)Steps:1. Extract the files under/
In order to prepare for the upcoming interview, the previous RPG project to install to the mobile phone run ran, found that the game will be stuck, simply depressed ...When I finished this project, Android 5.0 was not released, I was tested on Android 2.3 to Android 4.4 device (as a poor force of my own mobile phone is 2.3. ), now finally changed mobile phone, br
1.GPUImage for Android (recommended)Gpuimage a wide variety of image filter (image processing) effects based on OpenGL, up to 50Idea originates from Gpuimage for IOS, which basically includes the most common image processing effects, including: Contrast,hue,Gamma,brightness,sharpness,emboss,saturation,exposure,shadow,blend and so on,is a very powerful and easy-to-use image processing library that also suppo
1, downloadgo to the official website (http://opencv.org/) download opencv4android and unzip. The directory structure is shown in the following figure.
The SDK directory is the class library that we need to develop OPENCV, and the Samples catalog contains several OPENCV application examples (including face detection) that can provide us with a reference for OPENCV development under Android The doc direct
release that includes some AOSP contributions. Shout out to +Jake Wharton forDisableonandroiddebug* Rule and +Eric DenmanWho contributed gravitydraweractions.Thank both for your contributions and feedback! If You is interested in contributing to ATSL, please refer to our external contributions guide[8].Happy testing from the ATSL team +Valera Zakharov, +Nick Korostelev, +Jose Alcérreca and +Stephan linzner#AndroidDev#AndroidTesting#happytesting#io15[0]Https://developer.android.com/tools/testing
When Eclipse creates an Android project, you are prompted when previewing the Layout.xml file: This version of the rendering library was more recent than your version of ADT plug- In. Please update ADT plug-in, resulting in the inability to preview the layout file properly. Root cause: The SDK version is too high and the ADT version is too low. The workaround is as follows.Tools/Materials
Eclipse
;....\build\intermediates\classes\debug [ Your package name + class containing the native method]Mine is:g:\demo\qrreinrein\app\src\main>javah-d Jni-classpath D:\sl\android-develop\android-sdk-windows\platforms\ Android-22\android.jar, .... \.. \build\intermediates\classes\debug Com.cirein.qrcode.QRCodeManagerWhen finished, a JNI file is generated under the Mian
These two methods are not invented by me. They are all public debugging methods provided by some experts on the Internet, but cannot find the source. So let's sum up here to facilitate debugging in Android:
Brief description:
It is very easy to debug Java in the Android system. Generally, when errors occur, the call relationship of the function is printed in logcat,When an error occurs in the C
Adding a 3rd party library to Android studio is not really a bother, it's just that there is no UI, so there's a need for some hands-on. Google is very optimistic about Android studio, so the UI should be supported soon. Before doing this, please add the library as follows.Android Studio Core is IntelliJ, but in the en
Xutils-android Tool Library Afinal AlternativesHttps://github.com/wyouflf/xUtils(Afinal is the work of the people, Xutils is modified according to Afinal, but also the works of the people)Xutils. As the name implies, it is a tool library.Xutils Introduction
Xutils contains a lot of useful Android tools.
Xutils originated from the afinal framework, an
When the Android APP uses the ffmpeg library compiled by NDK, the undefined reference to 'posix _ memalign 'error occurs. ndkffmpeg
When using the ffmpeg library compiled by NDK In the android program, the following error occurs:
Jni/libs/libavutil. a (mem. o): in function av_malloc: libavutil/mem. c: 95: error: unde
Import *.jar PackageCreate a new Android project, add a third-party already packaged jar file into your project, the following has added a odata4j packageAdd a libs file to your projectAdd your downloaded jar file to the Libs folder directly via Copy/pastThen in the Libs folder and add the *.jar file under the mouse click menu Add as LibraryThen, in the Select item, click Open Module Settings, select Add File in dependenciesThis completes the JAR file
1. download the libpng library on the libpng official website and decompress it.2. view the contents of makefile. Create a folder to view the files that must be included in the makefile file compiled into the library and copy them to the file. Here, the file name is png.The following is a complete description of the libpng1510 makefile file containing all the statements required to compile the libpng librar
Description of the Android Chart library:At present, the number of Android Chart library, choose a suitable for their own use is very important, according to the function and demand, you can choose the existing mature chart library, can also achieve their own, through the comparison of the functions and characteristics
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