improved example documentation

example/ios/example/AppDelegate.m

-/**
- * Copyright (c) 2015-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- */
-
 #import "AppDelegate.h"
-#import "RCCManager.h" // <---- NOTICE ME
+
+// **********************************************
+// *** DON'T MISS: THE NEXT LINE IS IMPORTANT ***
+#import "RCCManager.h"
+
 #import "RCTRootView.h"
 
 @implementation AppDelegate
    * generated by "Bundle React Native code and images" build step.
    */
 
-//   jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
+  // jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
+
 
+  // **********************************************
+  // *** DON'T MISS: THIS IS HOW WE BOOTSTRAP ***
+  // React Native Controllers bootstrap
   self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
   self.window.backgroundColor = [UIColor whiteColor];
-  [[RCCManager sharedIntance] initBridgeWithBundleURL:jsCodeLocation]; //<---- NOTICE ME
-  
+  [[RCCManager sharedIntance] initBridgeWithBundleURL:jsCodeLocation];
+
+  /*
+  // original RN bootstrap - remove this part
+  RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
+                                                      moduleName:@"example"
+                                               initialProperties:nil
+                                                   launchOptions:launchOptions];
+
+  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
+  UIViewController *rootViewController = [UIViewController new];
+  rootViewController.view = rootView;
+  self.window.rootViewController = rootViewController;
+  [self.window makeKeyAndVisible];
+  */
+
   return YES;
 }