Android DataBinding - Listener bind sample

activity_listener_bind.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <data>
        <variable
            name="activity"
            type="net.prunusmume.databindingsample.ListenerBindActivity" />
    </data>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:text="タップしてね!"
            app:onClickListener="@{activity.buttonClickListener}" />

    </RelativeLayout>

</layout>

ListenerBindActivity.java

package net.prunusmume.databindingsample;

import android.databinding.DataBindingUtil;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;

import net.prunusmume.databindingsample.databinding.ActivityListenerBindBinding;

public class ListenerBindActivity extends AppCompatActivity {

    private final View.OnClickListener mButtonClickListener = new View.OnClickListener() {
        @Override
        public void onClick(final View v) {
            Toast.makeText(ListenerBindActivity.this, "タップされたよ", Toast.LENGTH_SHORT).show();
        }
    };

    @Override
    protected void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        final ActivityListenerBindBinding binding = DataBindingUtil.setContentView(this, R.layout.activity_listener_bind);
        binding.setActivity(this);
    }

    public View.OnClickListener getButtonClickListener() {
        return mButtonClickListener;
    }
}