[Android] Base Activity, Fragment

백업용도로 작성

import android.os.Bundle
import androidx.annotation.LayoutRes
import androidx.appcompat.app.AppCompatActivity
import androidx.databinding.DataBindingUtil
import androidx.databinding.ViewDataBinding
import androidx.lifecycle.ViewModel
abstract class BaseActivity<VD: ViewDataBinding>(@LayoutRes val layoutRes: Int) : AppCompatActivity() {
    /*@LayoutRes
    abstract fun getLayoutRes(): Int*/
    abstract val viewModel: ViewModel
    val binding by lazy {
        DataBindingUtil.setContentView(this, layoutRes) as VD
    }
    /*val itemDao by lazy {
        AppDatabase.getDatabase(this).itemDao()
    }*/
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding
        initViewModel(viewModel)
        onCreateAction()
    }
    abstract fun initViewModel(viewModel: ViewModel)
    abstract fun onCreateAction()
}

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.annotation.LayoutRes
import androidx.databinding.DataBindingUtil
import androidx.databinding.ViewDataBinding
import androidx.fragment.app.Fragment
import androidx.lifecycle.ViewModel
abstract class BaseFragment<T: ViewDataBinding>(@LayoutRes val layoutRes: Int)
    : Fragment() {
    lateinit var binding: T
    abstract val viewModel: ViewModel
    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        binding = DataBindingUtil.inflate(inflater, layoutRes, container, false)
        return binding.root
    }
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        binding.lifecycleOwner = this@BaseFragment
        initView()
        super.onViewCreated(view, savedInstanceState)
    }
    abstract fun initView()
}