Issues

Adarsh:SoftWiki adarshmaurya$ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, v1.0.0, on Mac OS X 10.14.1 18B75, locale en-IN)
[!] Android toolchain - develop for Android devices (Android SDK 28.0.3)
    ✗ Android license status unknown.
[!] iOS toolchain - develop for iOS devices (Xcode 10.1)
    ✗ libimobiledevice and ideviceinstaller are not installed. To install with Brew, run:
        brew update
        brew install --HEAD usbmuxd
        brew link usbmuxd
        brew install --HEAD libimobiledevice
        brew install ideviceinstaller
    ✗ ios-deploy not installed. To install with Brew:
        brew install ios-deploy
    ✗ CocoaPods not installed.
        CocoaPods is used to retrieve the iOS platform side's plugin code that responds to your plugin usage on the Dart side.
        Without resolving iOS dependencies with CocoaPods, plugins will not work on iOS.
        For more info, see https://flutter.io/platform-plugins
      To install:
        brew install cocoapods
        pod setup
[✓] Android Studio (version 3.2)
[!] IntelliJ IDEA Ultimate Edition (version 2018.2.3)
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
[!] Connected device
    ! No devices available

! Doctor found issues in 4 categories.
Adarsh:SoftWiki adarshmaurya$ flutter doctor --android-licenses
A newer version of the Android SDK is required. To update, run:
/Users/adarshmaurya/Library/Android/sdk/tools/bin/sdkmanager --update

(more issue related with updating the sdk)

https://github.com/flutter/flutter/issues/16025