From 96b44c1771c528264cc1e83b725bfc8a96e7cc73 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Sat, 12 Oct 2019 14:58:47 +0200
Subject: Activity: make dark/night theme follow system on Q

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 app/src/main/java/com/wireguard/android/Application.java       | 10 +++++++---
 .../java/com/wireguard/android/activity/SettingsActivity.java  |  6 +++++-
 .../wireguard/android/activity/ThemeChangeAwareActivity.java   |  7 +++++--
 3 files changed, 17 insertions(+), 6 deletions(-)

(limited to 'app/src/main/java')

diff --git a/app/src/main/java/com/wireguard/android/Application.java b/app/src/main/java/com/wireguard/android/Application.java
index 7bc07d6b..1ffaa250 100644
--- a/app/src/main/java/com/wireguard/android/Application.java
+++ b/app/src/main/java/com/wireguard/android/Application.java
@@ -115,9 +115,13 @@ public class Application extends android.app.Application {
         toolsInstaller = new ToolsInstaller(getApplicationContext());
 
         sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
-        AppCompatDelegate.setDefaultNightMode(
-                sharedPreferences.getBoolean("dark_theme", false) ?
-                        AppCompatDelegate.MODE_NIGHT_YES : AppCompatDelegate.MODE_NIGHT_NO);
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            AppCompatDelegate.setDefaultNightMode(
+                    sharedPreferences.getBoolean("dark_theme", false) ?
+                            AppCompatDelegate.MODE_NIGHT_YES : AppCompatDelegate.MODE_NIGHT_NO);
+        } else {
+            AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM);
+        }
 
         tunnelManager = new TunnelManager(new FileConfigStore(getApplicationContext()));
         tunnelManager.onCreate();
diff --git a/app/src/main/java/com/wireguard/android/activity/SettingsActivity.java b/app/src/main/java/com/wireguard/android/activity/SettingsActivity.java
index 475c579e..89ba0c12 100644
--- a/app/src/main/java/com/wireguard/android/activity/SettingsActivity.java
+++ b/app/src/main/java/com/wireguard/android/activity/SettingsActivity.java
@@ -6,6 +6,7 @@
 package com.wireguard.android.activity;
 
 import android.content.pm.PackageManager;
+import android.os.Build;
 import android.os.Bundle;
 import androidx.annotation.Nullable;
 import androidx.core.app.ActivityCompat;
@@ -91,13 +92,16 @@ public class SettingsActivity extends ThemeChangeAwareActivity {
         @Override
         public void onCreatePreferences(final Bundle savedInstanceState, final String key) {
             addPreferencesFromResource(R.xml.preferences);
+            final PreferenceScreen screen = getPreferenceScreen();
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
+                screen.removePreference(getPreferenceManager().findPreference("dark_theme"));
+
             final Preference wgQuickOnlyPrefs[] = {
                     getPreferenceManager().findPreference("tools_installer"),
                     getPreferenceManager().findPreference("restore_on_boot")
             };
             for (final Preference pref : wgQuickOnlyPrefs)
                 pref.setVisible(false);
-            final PreferenceScreen screen = getPreferenceScreen();
             Application.getBackendAsync().thenAccept(backend -> {
                 for (final Preference pref : wgQuickOnlyPrefs) {
                     if (backend instanceof WgQuickBackend)
diff --git a/app/src/main/java/com/wireguard/android/activity/ThemeChangeAwareActivity.java b/app/src/main/java/com/wireguard/android/activity/ThemeChangeAwareActivity.java
index 0309722c..977f64ea 100644
--- a/app/src/main/java/com/wireguard/android/activity/ThemeChangeAwareActivity.java
+++ b/app/src/main/java/com/wireguard/android/activity/ThemeChangeAwareActivity.java
@@ -7,6 +7,7 @@ package com.wireguard.android.activity;
 
 import android.content.SharedPreferences;
 import android.content.res.Resources;
+import android.os.Build;
 import android.os.Bundle;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
@@ -55,12 +56,14 @@ public abstract class ThemeChangeAwareActivity extends AppCompatActivity impleme
     @Override
     protected void onCreate(@Nullable final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        Application.getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q)
+            Application.getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
     }
 
     @Override
     protected void onDestroy() {
-        Application.getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q)
+            Application.getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
         super.onDestroy();
     }
 
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