Better share version information between modules

Move important version properties to buildSrc directory to access between modules
as needed.

Also add a simple task to generate a simple BuildConfig class to access version name.
This is better than adding dependency on a third-party library/plugin.

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/build.gradle.kts

@@ -31,25 +31,25 @@ kotlin {
 
 configure<ApplicationExtension> {
     compileSdk {
-        version = release(36) {
-            minorApiLevel = 1
+        version = release(NEWPIPE_VERSION_SDK_COMPILE_MAJOR) {
+            minorApiLevel = NEWPIPE_VERSION_SDK_COMPILE_MINOR
         }
     }
-    namespace = "org.schabi.newpipe"
+    namespace = NEWPIPE_APPLICATION_ID_OLD
 
     defaultConfig {
-        applicationId = "org.schabi.newpipe"
+        applicationId = NEWPIPE_APPLICATION_ID_OLD
         resValue("string", "app_name", "NewPipe")
         minSdk {
-            version = release(23)
+            version = release(NEWPIPE_VERSION_SDK_MIN)
         }
         targetSdk {
-            version = release(35)
+            version = release(NEWPIPE_VERSION_SDK_TARGET)
         }
 
-        versionCode = System.getProperty("versionCodeOverride")?.toInt() ?: 1011
+        versionCode = System.getProperty("versionCodeOverride")?.toInt() ?: NEWPIPE_VERSION_CODE
 
-        versionName = "0.28.6"
+        versionName = NEWPIPE_VERSION_NAME
         System.getProperty("versionNameSuffix")?.let { versionNameSuffix = it }
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"

buildSrc/src/main/kotlin/ProjectConfig.kt

@@ -0,0 +1,15 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+const val NEWPIPE_VERSION_SDK_COMPILE_MAJOR = 36
+const val NEWPIPE_VERSION_SDK_COMPILE_MINOR = 1
+const val NEWPIPE_VERSION_SDK_MIN = 23
+const val NEWPIPE_VERSION_SDK_TARGET = 35
+
+const val NEWPIPE_VERSION_CODE = 1011
+const val NEWPIPE_VERSION_NAME = "0.28.6"
+
+const val NEWPIPE_APPLICATION_ID_OLD = "org.schabi.newpipe"
+const val NEWPIPE_APPLICATION_ID_NEW = "net.newpipe.app"

desktopApp/build.gradle.kts

@@ -25,8 +25,8 @@ compose.desktop {
 
         nativeDistributions {
             targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
-            packageName = "net.newpipe.app"
-            packageVersion = "1.0.0"
+            packageName = NEWPIPE_APPLICATION_ID_NEW
+            packageVersion = NEWPIPE_VERSION_NAME
         }
     }
 }

shared/build.gradle.kts

@@ -12,6 +12,24 @@ plugins {
     alias(libs.plugins.jetbrains.kotlinx.serialization)
 }
 
+// Better than adding a third-party dependency for something as simple as this
+// https://stackoverflow.com/a/74771876/8446131
+val buildConfigGenerator by tasks.registering(Sync::class) {
+    val buildConfigPackage = NEWPIPE_APPLICATION_ID_NEW
+    val rawClass = """
+        package $buildConfigPackage
+
+        object BuildConfig {
+            const val VERSION_NAME = "$NEWPIPE_VERSION_NAME"
+        }
+    """.trimIndent()
+    from(resources.text.fromString(rawClass)) {
+        rename { "BuildConfig.kt" }
+        into(buildConfigPackage.replace(".", "/"))
+    }
+    into(layout.buildDirectory.dir("generated/kotlin/"))
+}
+
 kotlin {
     jvmToolchain(21)
 
@@ -27,14 +45,14 @@ kotlin {
     }
 
     android {
-        namespace = "net.newpipe.app"
+        namespace = NEWPIPE_APPLICATION_ID_NEW
         compileSdk {
-            version = release(36) {
-                minorApiLevel = 1
+            version = release(NEWPIPE_VERSION_SDK_COMPILE_MAJOR) {
+                minorApiLevel = NEWPIPE_VERSION_SDK_COMPILE_MINOR
             }
         }
         minSdk {
-            version = release(23)
+            version = release(NEWPIPE_VERSION_SDK_MIN)
         }
         androidResources {
             enable = true
@@ -71,6 +89,7 @@ kotlin {
 
     sourceSets {
         commonMain {
+            kotlin.srcDir(buildConfigGenerator.map { it.destinationDir })
             dependencies {
                 implementation(libs.jetbrains.compose.runtime)
                 implementation(libs.jetbrains.compose.foundation)