2019-03-11

## 第一行代码

```

private fun initStatisticLiveData(owner: LifecycleOwner) {

statisticLiveData = MutableLiveData()

statisticLiveData!!.observe(owner, Observer {

        if (it?.isSuccess ==true) {

view.showVideoStatistic(it.data)

}

})

}

```

`Int int = new Int();`