MVVM架構

View 層

public class MainView implements V {

    View view ;
//    EditText textView;

    @Override
    public void init(LayoutInflater inflater, ViewGroup container) {
        view = inflater.inflate(R.layout.mvp_main_activity,container,false);
//        textView = (EditText) view.findViewById(R.id.editText);
        MvpMainActivityBinding binding = DataBindingUtil.bind(view);
        Bean bean = new Bean("楊宇奇sakkjsakjsjk");
        binding.setName(bean);
    }

//    public void setText(String name){
//        textView.setText(name);
//    }

    @Override
    public View getView() {
        return view;
    }
}

public interface V {
    void init(LayoutInflater inflater , ViewGroup container);
    View getView();
}

public abstract class BasePresenterActivity<Vu extends V> extends AppCompatActivity {
    protected Vu vu ;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        try {
            vu = (Vu) getViewClass().newInstance();
            vu.init(getLayoutInflater(),null);
            setContentView(vu.getView());
            BindView();//綁定數據
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }

    protected void BindView() {

    }

    public abstract Class<?> getViewClass();


}

public class Bean {
    private String bean_name;

    public Bean(String bean_name) {
        this.bean_name = bean_name;
    }

    public String getBean_name() {
        return bean_name;
    }

    public void setBean_name(String bean_name) {
        this.bean_name = bean_name;
    }
}

<?xml version="1.0" encoding="utf-8"?>

<layout
    xmlns:android="http://schemas.android.com/apk/res/android">

    <data>
        <variable
            name="name"
            type="smartlife.team.xjx.com.mvvmdemo.MVP.View.Bean"/>
    </data>

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent">


        <EditText
            android:id="@+id/editText"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ems="10"
            android:inputType="textPersonName"
            android:text="@{name.bean_name}" />
    </LinearLayout>

</layout>