PermissionController/src/com/android/permissioncontroller/permission/ui/handheld/Utils.kt

/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * 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.
 */

package com.android.permissioncontroller.permission.ui.handheld

import androidx.fragment.app.Fragment
import androidx.navigation.fragment.findNavController

/**
 * Press back and close the activity if this is the last fragment.
 */
fun Fragment.pressBack() {
    val wasBackExecuted = findNavController().popBackStack()
    if (!wasBackExecuted) {
        activity?.let { it.finishAfterTransition() }
    }
}