Flutter series - build a flutter development environment

Premise ： in the light of Android developer （windows Under the system ）, already installed Git,AndroidStudio( Suggest 4.0+ edition )

One . download Flutter SDK

Address ：https://flutter.dev/docs/development/tools/sdk/releases, stay Stable channel (Windows) Just download the latest version .Flutter The channel version of will keep changing , Please use Flutter Official website . In China, , To get the installation package list or download the installation package normally , You may need to climb over the wall , You can also go. Flutter github Download the installation package under the project , Address ：https://github.com/flutter/flutter/releases .（ I downloaded it directly from the previous address ）

Two . decompression SDK:

1. Will install package zip Unzip until you want to install Flutter SDK The path of （ Such as ：C:\FlutterSDK; Be careful , Try not to put flutter Install to a path that requires some high permissions such as C:\Program Files\）.

2. stay Flutter Installation directory flutter Found under file flutter_console.bat, Double click Run and start flutter Command line , Next , You can be in Flutter Command line run flutter The command .

3、 ... and . Environment variable configuration

1. Mirror image ：
Because of the visit in China Flutter Sometimes there may be restrictions ,Flutter The official set up a temporary image for Chinese developers , You can add the following environment variables to User environment variable （ Note that the user variables , It's not a system variable ） in ：

PUB_HOSTED_URL=https://pub.flutter-io.cn
FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

Be careful ： This image is temporary , It's not guaranteed to be available all the time , Readers can refer to https://flutter.io/community/china To get the latest news about the mirror server .
As shown in the figure below ：

2. Configure system variables flutter/bin：
Copy yourself flutter SDK Next flutter Under folder bin Catalog . System variable found path, double-click , newly added , Just fill it in （ Follow configuration JAVA_HOME Same ）

restart windows To accommodate these configurations .

If appear flutter Not inside or outside …Unable to find git in your PATH
It means that you have not configured git environment variable .
stay System variables path Medium plus ：

Close after saving cmd Open input again flutter doctor, Here's the picture ：

Then focus on Android toolchain： ! Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses（ some Android License not accepted . To solve this problem , Please run ：flatter-doctor-android license ）, Follow the prompts to execute the command ：

choice Y(yes), After execution , In case of other situations , Follow the prompts .

Four . install Flutter Plug ins and Dart plug-in unit

flutter Depend on dart, So install it first dart.

Then restart the editor . Come here flutter The environment has been configured , Can be built flutter Project .