43 lines
1.5 KiB
Kotlin
43 lines
1.5 KiB
Kotlin
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/*
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* Copyright © 2017-2019 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.activity
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import android.content.SharedPreferences
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import android.content.SharedPreferences.OnSharedPreferenceChangeListener
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import android.os.Build
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import android.os.Bundle
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import androidx.appcompat.app.AppCompatActivity
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import androidx.appcompat.app.AppCompatDelegate
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import com.wireguard.android.Application
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abstract class ThemeChangeAwareActivity : AppCompatActivity(), OnSharedPreferenceChangeListener {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
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Application.getSharedPreferences().registerOnSharedPreferenceChangeListener(this)
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}
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}
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override fun onDestroy() {
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
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Application.getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this)
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}
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super.onDestroy()
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}
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override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
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when (key) {
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"dark_theme" -> {
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AppCompatDelegate.setDefaultNightMode(if (sharedPreferences.getBoolean(key, false)) {
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AppCompatDelegate.MODE_NIGHT_YES
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} else {
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AppCompatDelegate.MODE_NIGHT_NO
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})
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recreate()
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}
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}
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}
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}
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