enable pull to refresh only in android devices

src/js/controllers/tab-home.js

@@ -12,6 +12,7 @@ angular.module('copayApp.controllers').controller('tabHomeController',
     $scope.name = $window.appConfig.nameCase;
     $scope.homeTip = $stateParams.fromOnboarding;
     $scope.isCordova = platformInfo.isCordova;
+    $scope.isAndroid = platformInfo.isAndroid;
 
     $scope.$on("$ionicView.afterEnter", function() {
       startupService.ready();

src/js/controllers/walletDetails.js

@@ -9,6 +9,7 @@ angular.module('copayApp.controllers').controller('walletDetailsController', fun
   $scope.completeTxHistory = [];
   $scope.openTxpModal = txpModalService.open;
   $scope.isCordova = platformInfo.isCordova;
+  $scope.isAndroid = platformInfo.isAndroid;
 
   $scope.openExternalLink = function(url, target) {
     externalLinkService.open(url, target);

www/views/tab-home.html

@@ -5,7 +5,7 @@
 
   <ion-content class="padding">
     <ion-refresher
-     ng-if="isCordova"
+     ng-if="isAndroid"
      pulling-icon="ion-ios-refresh"
      spinner="ios-small"
      on-refresh="onRefresh()">

www/views/walletDetails.html

@@ -12,7 +12,7 @@
 
   <ion-content has-bouncing="false">
     <ion-refresher
-      ng-if="isCordova"
+      ng-if="isAndroid"
       pulling-icon="ion-ios-refresh"
       spinner="ios-small"
       on-refresh="onRefresh()">