Make sure your view Model class is public
Make sure your view model class constructor is public
Make sure you have added the dependency in your gridle file for lifecycle also if you use room and other libries you have added …
if you create object any other dependent class in your view model class constructor . Other class can throw error to create the instance of viewModel
annotationProcessor deps.lifecycle.compiler
kapt deps.lifecycle.compiler
annotationProcessor deps.room.compiler
kapt deps.room.compiler
使用kotlin的时候必须要用kapt引用
本文详细讲解了在Android开发中,如何确保ViewModel类及其构造函数为公共可见,以及如何在Gradle文件中正确添加依赖,包括Lifecycle和Room库的注解处理器和kapt依赖。文章强调了在ViewModel构造函数中创建依赖类实例时可能遇到的问题。
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