l700818的博客

The project '' may be using a version of Gradle that does not contain the method. 将 sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 改成 sourceCompatibility=JavaVersion.VERSION_1_8 targetCompatibility=JavaVersion

在dependenise{}中加入库依赖 （注意版本一定要相同） impelementation 'com.jakewharton:butterknife:8.8.1' annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1' 2.在Android Studio中添加插件，（可以自动生成绑定控件的代码） File -> Settings -> Plugins -> 搜索Butte..

刚开始建项目 会出现 Version 28 (intended for Android Pie and below) is the last version of the legacy support library, so we recommend that you migrate to AndroidX libraries when using Android Q and moving forward. The IDE can help with this: Refactor > Migrat..

查了半天资料是因为返回的json 中有中文导致的，直接将中文改成英文就可以输出了 解决方法后续更新