(reprint) How Android studio generates AAR packages

 how Android studio generates AAR packagesTags: how Android studio generates aaandroid studio aarandroid How to build an AAR package2016-12-21 14:42 1856 people read comments (0) favorite reports Classification:Android Development ($)

When you build on one of your own libraries in Android studio, both the. jar and the. aar file are generated.

Store location separately:

*.jar: library/build/intermediates/bundles/debug (release)/classes.jar

*.aar: library/build/outputs/aar/libraryname.aar

The difference between the two:

*.jar: Contains only the class file and the manifest file, does not contain the resource file, the slice and so on all res files.

*.aar: Contains all resources, class, and res resource files all contain

If you are just a simple class library then use the generated. jar file, and if you are a UI library that contains some resource files such as your own control layout files and fonts, you can only use the. aar file.

How to use:

*.jar: Copy to: Libs directory, Eclipse import directly, add in Androidstudio project:

1.aar package is an AAR file generated by SRC, Res, and Lib in Android studio under the packaging of Android, and after the AAR package is imported into other Android studio projects, other projects can be easily referenced by source code and resource files.

2. To generate the AAR package step:

①. Open a project with Android studio, then create a new module, select the Android Library when you create the module, and follow the new normal project operation

②. After the new module type is Android Library as shown

③. After the code is written in the new module, the AAR package is automatically generated after the entire project is compiled, and the path of the package is in the new module = = "Build = = =" Outputs ==>aar directory.

3. Other Androidstudio Projects Reference AAR package

①. Copying the AAR package to the Lib directory

②. Configuring the Build.gradle file:

Join

repositories {
Flatdir {
Dirs ' Libs '
}

Compile (name: ' camerascan-1.0 ', ext: ' AAR ')

Complete configuration file:

[Java]View Plain Copy

2. Apply plugin: ' com.android.application '
6. Android {
8. Compilesdkversion
10. Buildtoolsversion "22.0.1"
14. Defaultconfig {
16. ApplicationID "Com.geenk.testcamerascanarr"
18. Minsdkversion
20. Targetsdkversion
22. Versioncode 1
24. Versionname "1.0"
26. }
28. Buildtypes {
30. Release {
32. Minifyenabled false
34. Proguardfiles getdefaultproguardfile (' proguard-android.txt '), ' Proguard-rules.pro '
36. }
38. }
40. repositories {
42. Flatdir {
44. dirs ' Libs '
46. }
48. }
50. }
54. dependencies {
56. Compile Filetree (dir: ' Libs ', include: [' *.jar '])
58. Compile (name:' camerascan-1.0 ', ext:' aar ')
60. Compile ' com.android.support:appcompat-v7:22.2.0 '
62. }

③. Compiling a project

Copy AAR package to Lib

After the diagram is copied to LIB, click the button to make the AAR package available for reference in the code, or to compile the project once

After successful operation, you can see the referenced AAR package file under the expansion package.

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(reprint) How Android studio generates AAR packages