1.先安装nodejs

2.安装flutter

• bin：

  javascript程序，用于将小程序转换为flutter

• templates:

  保存owlmobile-init的时候创建的工程的内容，其中：

  * flutter：

  默认的flutter工程

  * wechat：

  默认的wechat工程

Add the following entry to your Info.plist file, located in /ios/Runner/Info.plist:

<key>NSAppTransportSecurity</key>
<dict>
  <key>NSAllowsArbitraryLoads</key>
  <true/>
</dict>

Ensure the following permission is present in your Android Manifest file, located in `/android/app/src/main/AndroidManifest.xml:

<uses-permission android:name="android.permission.INTERNET"/>

The Flutter project template adds it, so it may already be there.