A new Flutter application.
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Step1: https://www.myfreax.com/detailed-flutter-command/按文档搭建flutter开发环境 Step2: 新建flutter项目,配置下载镜像 maven { url 'https://maven.aliyun.com/repository/google' } maven { url 'https://maven.aliyun.com/repository/jcenter' } maven { url 'http://maven.aliyun.com/nexus/content/groups/public' } 替换// google() // jcenter() 指定kotlin 版本如果使用kotlin开发,在File——>set——>language&frame中查看本地下载的kotlin版本，然后在anroid的build.gradle中指定 指定gradle版本，（如果本地已经存在可以直接修改指定对应gradle和gradle plugin）如果没有执行step3. 将flutter SDK中 /packages/flutter_tools/gradle/flutter.gradle添加上述镜像并且修改gradle plugin依赖版本与项目一致 step3 运行项目，先用Android环境打开试运行看是否顺利运行，根据提示操作(没有gradle会下载执行) 如果能顺利运行则表明环境没问题 step4 去除flutter项目报红问题 a. File——>Project Structure选择project 指定Androidsdk api等级 b. File——>set——>language&frame 指定flutter和dart sdk路径 c. 关闭项目删除项目中.idea和.gradle目录清除缓存 d. 将app目录下的build文件中GradleException 改为Exception