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DisplayFeatures.kt
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DisplayFeatures.kt
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/*
* Copyright 2022 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
*
* https://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.google.accompanist.adaptive
import android.app.Activity
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.produceState
import androidx.compose.runtime.remember
import androidx.window.layout.DisplayFeature
import androidx.window.layout.WindowInfoTracker
/**
* Calculates the list of [DisplayFeature]s from the given [activity].
*/
@Composable
public fun calculateDisplayFeatures(activity: Activity): List<DisplayFeature> {
val windowInfoTracker = remember(activity) { WindowInfoTracker.getOrCreate(activity) }
val windowLayoutInfo = remember(windowInfoTracker, activity) {
windowInfoTracker.windowLayoutInfo(activity)
}
val displayFeatures by produceState(initialValue = emptyList<DisplayFeature>()) {
windowLayoutInfo.collect { info ->
value = info.displayFeatures
}
}
return displayFeatures
}