jjzjj

NameViewModel

全部标签

java - Android LiveData - 如何在不同的 Activity 中重用相同的 ViewModel?

示例View模型:publicclassNameViewModelextendsViewModel{//CreateaLiveDatawithaStringprivateMutableLiveDatamCurrentName;publicMutableLiveDatagetCurrentName(){if(mCurrentName==null){mCurrentName=newMutableLiveData();}returnmCurrentName;}}主要Activity:mModel=ViewModelProviders.of(this).get(NameViewModel.cl