android 使用DataBinding问题总结

当使用android的DataBinding的时候，我入的一些坑，

Error:(7, 41) 错误: 程序包com.xufei.databinding.databinding不存在

Error:Execution failed for task ':app:compileDebugJavaWithJavac'.
> java.lang.RuntimeException: Found data binding errors.
****/ data binding error ****msg:Could not find accessor com.xufei.databinding.Users.FirstName
file:E:\android_project\DataBinding\app\src\main\res\layout\activity_main.xml
loc:20:28 - 20:42
****\ data binding error ****

解决方法：将user类中加入原先没有的get~属性。即原先为：

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;    }}

更改后的为：

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;    }}

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