Android 진급---android databinding 사용

android {   
     ....   
     dataBinding {        
       enabled = true   
     }
}

public class SwordMan{
    private String name;
    private String level;

    public SwordMan(String name, String level) {
        this.name = name;
        this.level = level;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }


    public String getLevel() {
        return level;
    }

    public void setLevel(String level) {
        this.level = level;

    }
}

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

    <data>

        <variable
            name="swordsman"
            type="com.light.testdatabinding.SwordMan" />
    data>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:orientation="vertical">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@={swordsman.name}" />
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@{swordsman.leval}" />
    LinearLayout>

layout>

ActivityMainBinding binding = DataBindingUtil.setContentView(this,R.layout.activity_main);
SwordMan swordMan=new SwordMan("  ","   ");
binding.setSwordsman(swordMan);

  <data>
        <import type="java.util.Date"/>

        <variable
            name="swordsman"
            type="com.light.testdatabinding.SwordMan" />
        <variable
            name="time"
            type="Date" />
    </data>

ActivityMainBinding binding = DataBindingUtil.setContentView(this,R.layout.activity_main);
binding.test.setText("  ");

 binding.btnTest.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                swordMan.setName("  ");
                startActivity(new Intent(MainActivity.this,Main2Activity.class));
            }
        });

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

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
        <android.support.v7.widget.RecyclerView
            android:id="@+id/recycler"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

        android.support.v7.widget.RecyclerView>
    LinearLayout>

layout>

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

    <data>

        <import type="com.light.testdatabinding.OBSwordMan" />

        <variable
            name="swordman"
            type="OBSwordMan" />
    data>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:orientation="vertical">

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@{swordman.name}" />

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@{swordman.level}" />
    LinearLayout>

layout>

public class OBSwordMan extends BaseObservable {
    private String name;
    private String level;

    public OBSwordMan(String name, String level) {
        this.name = name;
        this.level = level;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getLevel() {
        return level;
    }

    public void setLevel(String level) {
        this.level = level;

    }
}

public class SwordmanAdapter extends RecyclerView.Adapter<SwordmanAdapter.SwordmamViewHoler> {
    private List manList;

    public SwordmanAdapter(List manList) {
        this.manList = manList;
    }

    @Override
    public SwordmamViewHoler onCreateViewHolder(ViewGroup parent, int viewType) {
        RvItemBinding binding = DataBindingUtil.inflate(LayoutInflater.from(parent.getContext()), R.layout.rv_item, parent, false);
        return new SwordmamViewHoler(binding);
    }

    @Override
    public void onBindViewHolder(SwordmamViewHoler holder, int position) {
        OBSwordMan swordMan = manList.get(position);
        holder.getBinding().setSwordman(swordMan);

    }

    @Override
    public int getItemCount() {
        return manList.size();
    }

    public class SwordmamViewHoler extends RecyclerView.ViewHolder {
        RvItemBinding binding;

        public SwordmamViewHoler(ViewDataBinding binding) {
            super(binding.getRoot());
            this.binding = (RvItemBinding) binding;
        }

        public RvItemBinding getBinding() {
            return binding;
        }
    }
}

public class Main2Activity extends AppCompatActivity {
    private ActivityMain2Binding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding = DataBindingUtil.setContentView(this, R.layout.activity_main2);
        initRecycler();

    }

    private void initRecycler() {
        LinearLayoutManager manager = new LinearLayoutManager(this);
        binding.recycler.setLayoutManager(manager);
        SwordmanAdapter adapter = new SwordmanAdapter(getList());
        binding.recycler.setAdapter(adapter);
    }

    public List getList() {
        List list = new ArrayList<>();
        OBSwordMan obSwordMan = new OBSwordMan("  ", "      ");
        OBSwordMan obSwordMan2 = new OBSwordMan("  1", "      ");
        OBSwordMan obSwordMan3 = new OBSwordMan("  2", "      ");
        OBSwordMan obSwordMan4 = new OBSwordMan("  3", "      ");
        OBSwordMan obSwordMan5 = new OBSwordMan("  4", "      ");
        list.add(obSwordMan);
        list.add(obSwordMan2);
        list.add(obSwordMan3);
        list.add(obSwordMan4);
        list.add(obSwordMan5);
        return list;
    }
}