Using jetpack libraries in applications

Use... In your application Jetpack library

all Jetpack Components are available in Google Maven Found in the code base .

open settings.gradle file , take google() Add code base to dependencyResolutionManagement { repositories {...}} In block , As shown below ：

dependencyResolutionManagement {
    
    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
    repositories {
    
        google()
        jcenter()
    }
}

then , You can use the build.gradle Add... To the file Jetpack Components （ for example LiveData and ViewModel And so on ）, As shown below ：

dependencies {
    
    def lifecycle_version = "2.2.0"

    implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
    ...
}

many Jetpack Libraries provide Android KTX Expand , As above lifecycle-livedata-ktx and lifecycle-viewmodel-ktx Shown .KTX The extension is based on Java Of API Build on , Make the most of it Kotlin Unique language functions .

For new Jetpack Library version , Please check out Version information page .

be based on Kotlin And based on Java Of API The reference document page applies to all Jetpack library .