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  • Flutter的初体验--初次配置的问题

    首先参照官方文档进行搭建Mac下的环境 ,然后就会遇到以下问题:
     
    1.在下载了Flutter 之后,执行Flutter doctor之后,报错:

    Could not resolve URL "https://pub.flutter-io.cn".

    Unable to 'pub upgrade' flutter tool

    解决方法:
    重新打开终端:执行以下设置
    export PUB_HOSTED_URL=https://pub.flutter-io.cn export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
    export PATH="$PWD/flutter/bin:$PATH"
     
    2.执行之后报错:

    Android sdkmanager tool not found

    (/Users/zhinengpingtai/Documents/AndroidTools/android-sdk-macosx/tools/bin/sdkma

    nager).

    Try re-installing or updating your Android SDK,

    visit https://flutter.io/setup/#android-setup for detailed instructions.

    解决方法:通过Android studio的自带的SDK 管理工具,升级Android Emulator

    3.在之后执行flutter doctor会提示一些

     Some Android licenses not accepted.  To resolve this, run: flutter doctor

          --android-licenses

    按他们的建议直接执行 flutter doctor --android-licenses

    4.运行Android Studio的Flutter的例子 ,无法使用热加载, AS报错:

    Error waiting for a debug connection: ProcessException: adb did not report forwarded port

    解决方法:直接更新SDK Platform-Tools 即可。

    5.运行iOS的时候,执行flutter run 报错:

    Cannot find "xcodebuild". Xcode 9.0 or greater is required to develop for iOS.

    Could not build the precompiled application for the device.

    解决方法:可能需要更新XCode

    6.通过直接在XCODE里面运行会报错:

    Xcode will continue when iPhone is connected.

    解决方法:XCode的版本太低,升级XCode版本或者使用低版本的iOS进行验证。

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  • 原文地址:https://www.cnblogs.com/jianggest/p/flutter_first.html
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