System requirements

OS: macOS (64-bit). This walkthrough uses macOS as the example.
Tools: bash,git,curl,unzip

Get the Flutter SDK

  1. Download the latest SDK from the Flutter SDK Archive page. Click flutter_macos_v0.4.4-beta.zip to download, or

curl -o ~/Downloads/flutter_macos_v0.4.4-beta.zip https://storage.googleapis.com/flutter_infra/releases/beta/macos/flutter_macos_v0.4.4-beta.zip

    
    **P.S. If the links above give you trouble, use the China mirror.**
    
    ```shell 
curl -o ~/Downloads/flutter_macos_v0.4.4-beta.zip  https://storage.flutter-io.cn/flutter_infra/releases/beta/macos/flutter_macos_v0.4.4-beta.zip

  1. Unzip into whatever path you want

cd ~/development unzip ~/Downloads/flutter_macos_v0.4.4-beta.zip

3. Add `flutter` to PATH

    ```shell
export PATH=`pwd`/flutter/bin:$PATH

  1. Run flutter doctor

flutter doctor


***If the steps above did not get you a working install, use these commands instead:***

```shell
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
git clone -b dev https://github.com/flutter/flutter.git
export PATH="$PWD/flutter/bin:$PATH"
cd ./flutter
flutter doctor

####alternate mirror sites####
# export FLUTTER_STORAGE_BASE_URL=https://mirrors.sjtug.sjtu.edu.cn/
# export PUB_HOSTED_URL=https://dart-pub.mirrors.sjtug.sjtu.edu.cn/

Set up a development platform

iOS

Install Xcode

  1. Install Xcode from the App Store.

  2. Point the command line at the latest Xcode

    sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer

  3. Make sure you have accepted the Xcode license agreement

    sudo xcodebuild -license

Set up the simulator

  1. Launch the simulator from Launchpad, or with the command below

open -a Simulator


2. `flutter run` to run your app


### Android
#### Install Android Studio
Download and install [Android Studio](https://developer.android.com/studio/index.html)
#### Android device (Android 4.1 or newer)
1. Follow [this link](https://developer.android.com/studio/debug/dev-options.html) to enable developer mode and turn debugging on
2. Plug your phone into the computer
3. `flutter run` to run your app