32 lines
1012 B
Kotlin
32 lines
1012 B
Kotlin
/*
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* Copyright © 2020 WireGuard LLC. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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package com.wireguard.android.util
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import android.content.Context
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import android.util.TypedValue
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import androidx.annotation.AttrRes
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import androidx.fragment.app.Fragment
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import androidx.lifecycle.lifecycleScope
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import androidx.preference.Preference
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import com.wireguard.android.activity.SettingsActivity
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import kotlinx.coroutines.CoroutineScope
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fun Context.resolveAttribute(@AttrRes attrRes: Int): Int {
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val typedValue = TypedValue()
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theme.resolveAttribute(attrRes, typedValue, true)
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return typedValue.data
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}
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fun Fragment.requireTargetFragment(): Fragment {
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return requireNotNull(targetFragment) { "A target fragment should always be set for $this" }
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}
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val Preference.activity: SettingsActivity
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get() = context as? SettingsActivity ?: throw IllegalStateException("Failed to resolve SettingsActivity")
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val Preference.lifecycleScope: CoroutineScope
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get() = activity.lifecycleScope
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