Extracted secret info to non-checked properties file

app/build.gradle

@@ -4,11 +4,24 @@ apply plugin: 'kotlin-android'
 
 apply plugin: 'kotlin-android-extensions'
 
+// Create a variable called keystorePropertiesFile, and initialize it to your
+// keystore.properties file, in the rootProject folder.
+def keystorePropertiesFile = rootProject.file("keystore.properties")
+
+// Initialize a new Properties() object called keystoreProperties.
+def keystoreProperties = new Properties()
+
+// Load your keystore.properties file into the keystoreProperties object.
+keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+
+
 android {
     signingConfigs {
         release {
-            storeFile file('E:\\Users\\Development\\Documents\\key_store_google.jks')
-            keyAlias = 'signingKey'
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile file(keystoreProperties['storeFile'])
+            storePassword keystoreProperties['storePassword']
         }
     }
     compileSdkVersion 29
@@ -20,12 +33,12 @@ android {
         versionCode 1
         versionName "0.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        signingConfig signingConfigs.release
     }
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
         }
     }
 }