Rewarded ads, question popups and few fixes

Assets/GoogleMobileAds/Editor/BuildPreProcessor.cs

@@ -0,0 +1,36 @@
+using System;
+using UnityEditor;
+using UnityEditor.Build;
+#if UNITY_2018_1_OR_NEWER
+using UnityEditor.Build.Reporting;
+#endif
+using UnityEditor.Callbacks;
+
+using GoogleMobileAds.Editor;
+
+#if UNITY_2018_1_OR_NEWER
+public class BuildPreProcessor : IPreprocessBuildWithReport
+#else
+public class BuildPreProcessor : IPreprocessBuild
+#endif
+{
+
+    public int callbackOrder { get { return 1; } }
+
+#if UNITY_2018_1_OR_NEWER
+    public void OnPreprocessBuild(BuildReport report)
+#else
+    public void OnPreprocessBuild(BuildTarget target, string path)
+#endif
+    {
+        if (!AssetDatabase.IsValidFolder("Assets/GoogleMobileAds"))
+        {
+            AssetDatabase.CreateFolder("Assets", "GoogleMobileAds");
+        }
+
+        if (AssetDatabase.IsValidFolder("Packages/com.google.ads.mobile"))
+        {
+            AssetDatabase.CopyAsset("Packages/com.google.ads.mobile/GoogleMobileAds/link.xml", "Assets/GoogleMobileAds/link.xml");
+        }
+    }
+}