android中使用DataBinding

配置环境，在module中添加

android{

。。。。。

dataBinding{ enabled=true }

}

将原来的布局文件外部加上

<layout>

原布局文件

</layout>

添加user类

public class Users { private final String mFirstName; private final String mLastName; private int mAge; public Users(String FirstName,String LastName,int Age){ mFirstName=FirstName; mLastName=LastName; mAge=Age; } public String getFirstName(){ return mFirstName; } public String getLastName(){ return mLastName; } public int getAge(){ return mAge; } } 在MainActivity中添加

ActivityMainBinding activityMainBinding= DataBindingUtil.setContentView(this,R.layout.activity_main); Users users=new Users("xxx","xxx",20); activityMainBinding.setUsers(users);