Add Brightness Util to check for platform before increasing brightness (#1096)

lib/src/screens/receive/anonpay_receive_page.dart

@@ -10,7 +10,7 @@ import 'package:cake_wallet/src/screens/receive/widgets/anonpay_status_section.d
 import 'package:cake_wallet/src/screens/receive/widgets/qr_image.dart';
 import 'package:cake_wallet/src/screens/receive/widgets/copy_link_item.dart';
 import 'package:cake_wallet/themes/extensions/qr_code_theme.dart';
-import 'package:device_display_brightness/device_display_brightness.dart';
+import 'package:cake_wallet/utils/brightness_util.dart';
 import 'package:flutter/material.dart';
 import 'package:qr_flutter/qr_flutter.dart' as qr;
 import 'package:cake_wallet/themes/extensions/dashboard_page_theme.dart';
@@ -82,8 +82,7 @@ class AnonPayReceivePage extends BasePage {
 
   @override
   Widget Function(BuildContext, Widget) get rootWrapper =>
-      (BuildContext context, Widget scaffold) =>
+      (BuildContext context, Widget scaffold) => GradientBackground(scaffold: scaffold);
-          GradientBackground(scaffold: scaffold);
 
   @override
   Widget body(BuildContext context) {
@@ -101,19 +100,13 @@ class AnonPayReceivePage extends BasePage {
               ),
               child: GestureDetector(
                 onTap: () async {
-                  final double brightness = await DeviceDisplayBrightness.getBrightness();
+                  BrightnessUtil.changeBrightnessForFunction(() async {
-
+                    await Navigator.pushNamed(context, Routes.fullscreenQR,
-                  // ignore: unawaited_futures
+                        arguments: QrViewData(
-                  DeviceDisplayBrightness.setBrightness(1.0);
+                          data: invoiceInfo.clearnetUrl,
-                  await Navigator.pushNamed(
+                          version: qr.QrVersions.auto,
-                    context,
+                        ));
-                    Routes.fullscreenQR,
+                  });
-                    arguments: QrViewData(data: invoiceInfo.clearnetUrl,
-                      version: qr.QrVersions.auto,
-                    )
-                  );
-                  // ignore: unawaited_futures
-                  DeviceDisplayBrightness.setBrightness(brightness);
                 },
                 child: Hero(
                   tag: Key(invoiceInfo.clearnetUrl),

lib/src/screens/receive/widgets/qr_widget.dart

@@ -3,10 +3,9 @@ import 'package:cake_wallet/themes/extensions/qr_code_theme.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/exchange/widgets/currency_picker.dart';
 import 'package:cake_wallet/src/screens/receive/widgets/currency_input_field.dart';
-import 'package:cake_wallet/utils/device_info.dart';
+import 'package:cake_wallet/utils/brightness_util.dart';
 import 'package:cake_wallet/utils/show_bar.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
-import 'package:device_display_brightness/device_display_brightness.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
@@ -64,7 +63,7 @@ class QRWidget extends StatelessWidget {
                     flex: 5,
                     child: GestureDetector(
                       onTap: () {
-                        changeBrightnessForRoute(
+                        BrightnessUtil.changeBrightnessForFunction(
                           () async {
                             await Navigator.pushNamed(context, Routes.fullscreenQR,
                                 arguments: QrViewData(
@@ -178,23 +177,4 @@ class QRWidget extends StatelessWidget {
     // update amount if currency changed
     addressListViewModel.changeAmount(amountController.text);
   }
-
-  Future<void> changeBrightnessForRoute(Future<void> Function() navigation) async {
-    // if not mobile, just navigate
-    if (!DeviceInfo.instance.isMobile) {
-      navigation();
-      return;
-    }
-
-    // Get the current brightness:
-    final brightness = await DeviceDisplayBrightness.getBrightness();
-
-    // ignore: unawaited_futures
-    DeviceDisplayBrightness.setBrightness(1.0);
-
-    await navigation();
-
-    // ignore: unawaited_futures
-    DeviceDisplayBrightness.setBrightness(brightness);
-  }
 }

lib/src/screens/wallet_keys/wallet_keys_page.dart

@@ -5,10 +5,10 @@ import 'package:cake_wallet/src/widgets/list_row.dart';
 import 'package:cake_wallet/src/widgets/section_divider.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/routes.dart';
+import 'package:cake_wallet/utils/brightness_util.dart';
 import 'package:cake_wallet/utils/clipboard_util.dart';
 import 'package:cake_wallet/utils/show_bar.dart';
 import 'package:cake_wallet/view_model/wallet_keys_view_model.dart';
-import 'package:device_display_brightness/device_display_brightness.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
@@ -26,19 +26,15 @@ class WalletKeysPage extends BasePage {
   @override
   Widget trailing(BuildContext context) => IconButton(
       onPressed: () async {
-        // Get the current brightness:
-        final double brightness = await DeviceDisplayBrightness.getBrightness();
         final url = await walletKeysViewModel.url;
 
-        // ignore: unawaited_futures
+        BrightnessUtil.changeBrightnessForFunction(() async {
-        DeviceDisplayBrightness.setBrightness(1.0);
+          await Navigator.pushNamed(
-        await Navigator.pushNamed(
+            context,
-          context,
+            Routes.fullscreenQR,
-          Routes.fullscreenQR,
+            arguments: QrViewData(data: url.toString(), version: QrVersions.auto),
-          arguments: QrViewData(data: url.toString(), version: QrVersions.auto),
+          );
-        );
+        });
-        // ignore: unawaited_futures
-        DeviceDisplayBrightness.setBrightness(brightness);
       },
       splashColor: Colors.transparent,
       highlightColor: Colors.transparent,

lib/utils/brightness_util.dart

@@ -0,0 +1,23 @@
+import 'package:cake_wallet/utils/device_info.dart';
+import 'package:device_display_brightness/device_display_brightness.dart';
+
+class BrightnessUtil {
+  static Future<void> changeBrightnessForFunction(Future<void> Function() func) async {
+    // if not mobile, just navigate
+    if (!DeviceInfo.instance.isMobile) {
+      func();
+      return;
+    }
+
+    // Get the current brightness:
+    final brightness = await DeviceDisplayBrightness.getBrightness();
+
+    // ignore: unawaited_futures
+    DeviceDisplayBrightness.setBrightness(1.0);
+
+    await func();
+
+    // ignore: unawaited_futures
+    DeviceDisplayBrightness.setBrightness(brightness);
+  }
+}