課題4 MainActivityの例

4-2.java

package com.example.livedatacodelab;

import android.arch.lifecycle.ViewModelProviders;
import android.databinding.DataBindingUtil;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;

import com.example.livedatacodelab.databinding.ActivityMainBinding;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ClockViewModel clockViewModel = ViewModelProviders.of(this).get(ClockViewModel.class);
        ActivityMainBinding binding = DataBindingUtil.setContentView(this, R.layout.activity_main);
        binding.setLifecycleOwner(this);
        binding.setClockModel(clockViewModel);
    }
}