package safeluck.drive.evaluation.viewmodels;


import android.arch.lifecycle.LiveData;
import android.arch.lifecycle.MutableLiveData;
import android.arch.lifecycle.ViewModel;

import safeluck.drive.evaluation.util.MyLog;

public class MainViewModel extends ViewModel {
    private MutableLiveData<String> json = new MutableLiveData<>();
    public LiveData<String> getJson(){
        //往json字符串写入数据
        loadJson();
        return json;
    }

    private void  loadJson() {
        MyLog.i("loadJson");
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    Thread.sleep(10*1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                json.postValue("我爱你JetPack！！");
            }
        }).start();
    }

}