Replace deprecated ApplicationAndroidComponentExtension to new version. Change minimum AGP version to 7.0.0-beta04.

Author: ychescale9

.github/workflows/ci.yml

@@ -74,7 +74,7 @@ jobs:
       AGP_VERSION: ${{ matrix.agp-version }}
     strategy:
       matrix:
-        agp-version: [ 4.2.2, 7.0.0-rc01, 7.1.0-alpha04 ]
+        agp-version: [ 7.0.0-rc01, 7.1.0-alpha04 ]
 
     steps:
       - uses: actions/checkout@v2

README.md

@@ -14,9 +14,7 @@ This [blogpost](https://dev.to/ychescale9/git-based-android-app-versioning-with-
 
 ## Android Gradle Plugin version compatibility
 
-The minimum version of Android Gradle Plugin required is **4.2.1**.
-
-All versions of **AGP 7.x** are supported.
+The minimum version of Android Gradle Plugin required is **7.0.0-beta04**.
 
 Version `0.4.0` of the plugin is the final version that's compatible with AGP **4.0** and **4.1**.
 

src/main/kotlin/io/github/reactivecircus/appversioning/AppVersioningPlugin.kt

@@ -1,7 +1,7 @@
 package io.github.reactivecircus.appversioning
 
 import com.android.Version.ANDROID_GRADLE_PLUGIN_VERSION
-import com.android.build.api.extension.ApplicationAndroidComponentsExtension
+import com.android.build.api.variant.ApplicationAndroidComponentsExtension
 import com.android.build.api.variant.ApplicationVariant
 import com.android.build.api.variant.VariantOutputConfiguration
 import com.android.build.gradle.AppPlugin
@@ -126,7 +126,7 @@ class AppVersioningPlugin : Plugin<Project> {
 
     companion object {
         private const val MIN_GRADLE_VERSION = "6.8"
-        private const val MIN_AGP_VERSION = "4.2.1"
+        private const val MIN_AGP_VERSION = "7.0.0-beta04"
     }
 }