Modal bottom sheet BottomSheetDialogFragment injectable with Dagger.

DaggerBottomSheetDialogFragment.kt

/*
 * Copyright 2019 Andrius Baruckis www.baruckis.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.content.Context
import com.google.android.material.bottomsheet.BottomSheetDialogFragment
import dagger.android.AndroidInjector
import dagger.android.DispatchingAndroidInjector
import dagger.android.HasAndroidInjector
import dagger.android.support.AndroidSupportInjection
import javax.inject.Inject

/**
 * A [BottomSheetDialogFragment] that injects its members in [onAttach] and can be used to inject
 * child [BottomSheetDialogFragment]s attached to it.
 * Note that when this fragment gets reattached, its members will be injected again.
 */
open class DaggerBottomSheetDialogFragment : BottomSheetDialogFragment(), HasAndroidInjector {

    @Inject
    lateinit var androidInjector: DispatchingAndroidInjector<Any>

    override fun onAttach(context: Context) {
        AndroidSupportInjection.inject(this)
        super.onAttach(context)
    }

    override fun androidInjector(): AndroidInjector<Any> {
        return androidInjector
    }

}