fix: android crash when init was not called on main thread

Author: ethanneff

src/android/io/branch/BranchSDK.java

@@ -91,76 +91,76 @@ public boolean execute(String action, JSONArray args, CallbackContext callbackCo
 
         if (action.equals("setDebug")) {
             if (args.length() == 1) {
-                cordova.getThreadPool().execute(r);
+                cordova.getActivity().runOnUiThread(r);
             }
             return true;
         } else if (action.equals("initSession")) {
-            cordova.getThreadPool().execute(r);
+            cordova.getActivity().runOnUiThread(r);
             return true;
         } else if (action.equals("setMixpanelToken")) {
-            cordova.getThreadPool().execute(r);
+            cordova.getActivity().runOnUiThread(r);
             return true;
         } else {
             if (this.instance != null) {
                 if (action.equals("setIdentity")) {
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("userCompletedAction")) {
                     if (args.length() < 1 && args.length() > 2) {
                         callbackContext.error(String.format("Parameter mismatched. 1-2 is required but %d is given", args.length()));
                         return false;
                     }
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("sendCommerceEvent")) {
                     if (args.length() < 1 && args.length() > 2) {
                         callbackContext.error(String.format("Parameter mismatched. 1-2 is required but %d is given", args.length()));
                         return false;
                     }
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("getFirstReferringParams")) {
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("getLatestReferringParams")) {
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("logout")) {
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("loadRewards")) {
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("redeemRewards")) {
                     if (args.length() < 1 && args.length() > 2) {
                         callbackContext.error(String.format("Parameter mismatched. 1-2 is required but %d is given", args.length()));
                         return false;
                     }
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("getCreditHistory")) {
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("createBranchUniversalObject")) {
                     if (args.length() != 1) {
                         callbackContext.error(String.format("Parameter mismatched. 1 is required but %d is given", args.length()));
                         return false;
                     }
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals(("generateShortUrl"))) {
                     if (args.length() != 3) {
                         callbackContext.error(String.format("Parameter mismatched. 3 is required but %d is given", args.length()));
                         return false;
                     }
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("registerView")) {
                     if (args.length() != 1) {
                         callbackContext.error(String.format("Parameter mismatched. 1 is required but %d is given", args.length()));
                         return false;
                     }
-                    cordova.getThreadPool().execute(r);
+                    cordova.getActivity().runOnUiThread(r);
                     return true;
                 } else if (action.equals("showShareSheet")) {
                     if (args.length() < 3) {