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if error != nil {
    print(“服務加入失敗： \(error!.localizedDescription)”)
    return
}

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peripheralManager?.startAdvertising([CBAdvertisementDataServiceUUIDsKey: [service.uuid]])

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peripheral.updateValue("哈囉你好嗎~".data(using: .utf8)!,
                          for: characteristic as! CBMutableCharacteristic,
         onSubscribedCentrals: nil)

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{
"name": "HelloReactNativeDemo",
"displayName": "HelloReactNativeDemo"
}

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export default class HelloReactNativeDemo extends Component {
}
AppRegistry.registerComponent(‘HelloReactNativeDemo’, () => HelloReactNativeDemo);

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RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
                                                      moduleName:@"HelloReactNativeDemo"
                                               initialProperties:nil
                                                   launchOptions:launchOptions];

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  <key>CFBundleDisplayName</key>
  <string>HelloReactNativeDemo</string>

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{
  "name": "HelloReactNativeDemo",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node node_modules/react-native/local-cli/cli.js start",
    "test": "jest"
  },
  "dependencies": {
    "react": "15.4.2",

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while ([date timeIntervalSinceNow] > 0 && !foundElement && !redboxError) {
    [[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
    [[NSRunLoop mainRunLoop] runMode:NSRunLoopCommonModes beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];

    foundElement = [self findSubviewInView:vc.view matching:^BOOL(UIView *view) {
      if ([view.accessibilityLabel isEqualToString:TEXT_TO_LOOK_FOR]) {
        return YES;
      }
      return NO;
    }];

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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
  // 先省略上面幾行程式碼
  
  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
  UIViewController *rootViewController = [UIViewController new];
  rootViewController.view = rootView;
  self.window.rootViewController = rootViewController;
  [self.window makeKeyAndVisible];
  return YES;