Revert "Update Gradle and AGP to v8.0 (#283)" (#295)

This reverts commit cda0606a0d.

libraries/core/build.gradle.kts

@@ -23,8 +23,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 }
 
 dependencies {

libraries/coroutines/build.gradle.kts

@@ -21,8 +21,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 }
 
 dependencies {

libraries/designsystem/build.gradle.kts

@@ -24,10 +24,6 @@ plugins {
 android {
     namespace = "io.element.android.libraries.designsystem"
 
-    buildFeatures {
-        buildConfig = true
-    }
-
     dependencies {
         // Should not be there, but this is a POC
         implementation(libs.coil.compose)

libraries/matrix/api/build.gradle.kts

@@ -25,10 +25,6 @@ plugins {
 
 android {
     namespace = "io.element.android.libraries.matrix.api"
-
-    buildFeatures {
-        buildConfig = true
-    }
 }
 
 anvil {

libraries/statemachine/build.gradle.kts

@@ -23,8 +23,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 }
 
 dependencies {

libraries/ui-strings/build.gradle.kts

@@ -18,8 +18,15 @@
 @Suppress("DSL_SCOPE_VIOLATION")
 plugins {
     id("io.element.android-library")
+    alias(libs.plugins.stemlibrary)
 }
 
 android {
     namespace = "io.element.android.libraries.ui.strings"
 }
+
+// forcing the stem string template generator to be cacheable, without this the templates
+// are regenerated causing the app module to recompile its sources
+tasks.withType(com.likethesalad.android.templates.common.tasks.BaseTask::class.java) {
+    outputs.cacheIf { true }
+}