match abi versioning to fdroid

Author: ksh-b

android/app/build.gradle

@@ -69,4 +69,14 @@ flutter {
     source '../..'
 }
 
-dependencies {}
+ext.abiCodes = ["armeabi-v7a": 1, "arm64-v8a": 2, "x86_64": 3]
+
+import com.android.build.OutputFile
+android.applicationVariants.all { variant ->
+    variant.outputs.each { output ->
+        def abiVersionCode = project.ext.abiCodes.get(output.getFilter(OutputFile.ABI))
+        if (abiVersionCode != null) {
+            output.versionCodeOverride = variant.versionCode * 10 + abiVersionCode
+        }
+    }
+}

android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.9.23'
+    ext.kotlin_version = '1.8.22'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.3.1'
+        classpath 'com.android.tools.build:gradle:7.4.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -18,14 +18,14 @@ allprojects {
     }
 }
 
-rootProject.buildDir = "../build"
+rootProject.buildDir = '../build'
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }
 subprojects {
-    project.evaluationDependsOn(":app")
+    project.evaluationDependsOn(':app')
 }
 
 tasks.register("clean", Delete) {
     delete rootProject.buildDir
-}
+}

android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-all.zip