Use of local environment variables instead of hard coding them in the…

… source code of the project

.gitignore

@@ -13,5 +13,6 @@
 .externalNativeBuild
 .cxx
 local.properties
+env.properties
 keystore
 app/release

app/build.gradle.kts

@@ -1,8 +1,17 @@
+import java.io.FileInputStream
+import java.util.Properties
+
 plugins {
     id("com.android.application")
     id("org.jetbrains.kotlin.android")
 }
 
+var props = Properties()
+var propsFile = rootProject.file("env.properties")
+if (propsFile.exists()) {
+    props.load(FileInputStream(propsFile))
+}
+
 android {
     namespace = "com.lilstiffy.mockgps"
     compileSdk = 34
@@ -14,6 +23,8 @@ android {
         versionCode = 5
         versionName = "1.0.4"
 
+        manifestPlaceholders["API_KEY"] = props.getProperty("MAPS_API_KEY")
+
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
             useSupportLibrary = true

app/src/main/AndroidManifest.xml

@@ -36,10 +36,9 @@
             </intent-filter>
         </activity>
 
-        <!-- Really bad remove -->
         <meta-data
             android:name="com.google.android.geo.API_KEY"
-            android:value="AIzaSyCi2zGLGQvGFo0FqiQrIosK8sYB0c5dylA" />
+            android:value="${API_KEY}" />
 
         <service
             android:name=".service.MockLocationService"

gradle.properties

@@ -20,6 +20,4 @@ kotlin.code.style=official
 # Enables namespacing of each library's R class so that its R class includes only the
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
-android.nonTransitiveRClass=true
-# Google Maps
-MAPS_API_KEY=AIzaSyCi2zGLGQvGFo0FqiQrIosK8sYB0c5dylA
+android.nonTransitiveRClass=true