React Native Environment Info:
    System:
      OS: macOS 10.14.1
      CPU: (4) x64 Intel(R) Core(TM) i5-4288U CPU @ 2.60GHz
      Memory: 53.33 MB / 8.00 GB
      Shell: 3.2.57 - /bin/bash
    Binaries:
      Node: 10.10.0 - /usr/local/bin/node
      Yarn: 1.9.4 - /usr/local/bin/yarn
      npm: 6.4.1 - /usr/local/bin/npm
      Watchman: 4.9.0 - /usr/local/bin/watchman
    SDKs:
      iOS SDK:
        Platforms: iOS 12.0, macOS 10.14, tvOS 12.0, watchOS 5.0
      Android SDK:
        API Levels: 23, 25, 26, 27, 28
        Build Tools: 23.0.1, 25.0.1, 25.0.3, 26.0.1, 26.0.3, 27.0.3, 28.0.2, 28.0.3
        System Images: android-23 | Intel x86 Atom_64, android-23 | Google APIs Intel x86 Atom_64, android-26 | Google APIs Intel x86 Atom_64, android-27 | Google Play Intel x86 Atom
    IDEs:
      Android Studio: 3.1 AI-173.4907809
      Xcode: 10.0/10A255 - /usr/bin/xcodebuild
    npmPackages:
      react: ^16.6.3 => 16.6.3 
      react-native: ^0.57.8 => 0.57.8 
    npmGlobalPackages:
      react-native-cli: 2.0.1
      react-native-git-upgrade: 0.2.7

componentDidMount(){
       InteractionManager.runAfterInteractions(() => {
        this.props.navigation.setParams({
            headerRight: <SearchCount />
        });
      });
}