Merge pull request #1500 from OneSignal/dev-env/use_local_sdk

SDK Development Environment - Automatically use local SDK source for example project

Author: jkasten2

Examples/OneSignalDemo/app/build.gradle

@@ -1,4 +1,3 @@
-apply plugin: 'com.onesignal.androidsdk.onesignal-gradle-plugin'
 apply plugin: 'com.android.application'
 
 android {
@@ -46,6 +45,7 @@ android {
     task flavorSelection() {
         if (getGradle().getStartParameter().getTaskRequests().toString().contains("Gms")) {
             apply plugin: 'com.google.gms.google-services'
+            googleServices { disableVersionCheck = true }
         } else {
             apply plugin: 'com.huawei.agconnect'
         }

OneSignalSDK/settings.gradle

@@ -1,2 +1,14 @@
 include ':app', ':onesignal', ':unittest'
-project(':app').projectDir = new File(settingsDir, '../examples/OneSignalDemo/app')
+project(':app').projectDir = new File(settingsDir, '../examples/OneSignalDemo/app')
+
+// Allows running the :app project above with the local source for development of the SDK.
+// This means we can keep the example app as-is so it stays as a real world example.
+gradle.rootProject {
+    allprojects {
+        configurations.all {
+            resolutionStrategy.dependencySubstitution {
+                substitute(module('com.onesignal:OneSignal')).using(project(':onesignal'))
+            }
+        }
+    }
+}