design: Column mode auto padding

lib/views/chat_details.dart

@@ -10,6 +10,7 @@ import 'package:famedlysdk/famedlysdk.dart';
 import 'package:file_picker_cross/file_picker_cross.dart';
 import 'package:fluffychat/views/widgets/chat_settings_popup_menu.dart';
 import 'package:fluffychat/views/widgets/content_banner.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:fluffychat/views/widgets/list_items/participant_list_item.dart';
 import 'package:fluffychat/utils/matrix_locals.dart';
@@ -234,8 +235,10 @@ class _ChatDetailsState extends State<ChatDetails> {
                   ),
                 ),
               ],
-              body: ListView.builder(
+              body: MaxWidthBody(
-                itemCount: members.length + 1 + (canRequestMoreMembers ? 1 : 0),
+                child: ListView.builder(
+                  itemCount:
+                      members.length + 1 + (canRequestMoreMembers ? 1 : 0),
                   itemBuilder: (BuildContext context, int i) => i == 0
                       ? Column(
                           crossAxisAlignment: CrossAxisAlignment.stretch,
@@ -250,7 +253,8 @@ class _ChatDetailsState extends State<ChatDetails> {
                                       child: Icon(Icons.edit_outlined),
                                     )
                                   : null,
-                            title: Text('${L10n.of(context).groupDescription}:',
+                              title: Text(
+                                  '${L10n.of(context).groupDescription}:',
                                   style: TextStyle(
                                       color: Theme.of(context).accentColor,
                                       fontWeight: FontWeight.bold)),
@@ -261,8 +265,10 @@ class _ChatDetailsState extends State<ChatDetails> {
                                 linkStyle: TextStyle(color: Colors.blueAccent),
                                 textStyle: TextStyle(
                                   fontSize: 14,
-                                color:
+                                  color: Theme.of(context)
-                                    Theme.of(context).textTheme.bodyText2.color,
+                                      .textTheme
+                                      .bodyText2
+                                      .color,
                                 ),
                                 onLinkTap: (url) =>
                                     UrlLauncher(context, url).launchUrl(),
@@ -331,8 +337,8 @@ class _ChatDetailsState extends State<ChatDetails> {
                                   await AdaptivePageLayout.of(context)
                                       .pushNamed('/rooms/${room.id}/emotes');
                                 } else {
-                                await AdaptivePageLayout.of(context).pushNamed(
+                                  await AdaptivePageLayout.of(context)
-                                    '/settings/emotes',
+                                      .pushNamed('/settings/emotes',
                                           arguments: {'room': room});
                                 }
                               },
@@ -362,12 +368,12 @@ class _ChatDetailsState extends State<ChatDetails> {
                               ],
                               child: ListTile(
                                 leading: CircleAvatar(
-                                  backgroundColor:
+                                    backgroundColor: Theme.of(context)
-                                      Theme.of(context).scaffoldBackgroundColor,
+                                        .scaffoldBackgroundColor,
                                     foregroundColor: Colors.grey,
                                     child: Icon(Icons.public_outlined)),
-                              title: Text(
+                                title: Text(L10n.of(context)
-                                  L10n.of(context).whoIsAllowedToJoinThisGroup),
+                                    .whoIsAllowedToJoinThisGroup),
                                 subtitle: Text(
                                   room.joinRules.getLocalizedString(
                                       MatrixLocals(L10n.of(context))),
@@ -375,11 +381,12 @@ class _ChatDetailsState extends State<ChatDetails> {
                               ),
                             ),
                             PopupMenuButton(
-                            onSelected: (HistoryVisibility historyVisibility) =>
+                              onSelected:
+                                  (HistoryVisibility historyVisibility) =>
                                       showFutureLoadingDialog(
                                 context: context,
-                              future: () =>
+                                future: () => room
-                                  room.setHistoryVisibility(historyVisibility),
+                                    .setHistoryVisibility(historyVisibility),
                               ),
                               itemBuilder: (BuildContext context) =>
                                   <PopupMenuEntry<HistoryVisibility>>[
@@ -419,8 +426,8 @@ class _ChatDetailsState extends State<ChatDetails> {
                                   foregroundColor: Colors.grey,
                                   child: Icon(Icons.visibility_outlined),
                                 ),
-                              title: Text(
+                                title: Text(L10n.of(context)
-                                  L10n.of(context).visibilityOfTheChatHistory),
+                                    .visibilityOfTheChatHistory),
                                 subtitle: Text(
                                   room.historyVisibility.getLocalizedString(
                                       MatrixLocals(L10n.of(context))),
@@ -432,7 +439,8 @@ class _ChatDetailsState extends State<ChatDetails> {
                                 onSelected: (GuestAccess guestAccess) =>
                                     showFutureLoadingDialog(
                                   context: context,
-                                future: () => room.setGuestAccess(guestAccess),
+                                  future: () =>
+                                      room.setGuestAccess(guestAccess),
                                 ),
                                 itemBuilder: (BuildContext context) =>
                                     <PopupMenuEntry<GuestAccess>>[
@@ -448,15 +456,16 @@ class _ChatDetailsState extends State<ChatDetails> {
                                     PopupMenuItem<GuestAccess>(
                                       value: GuestAccess.forbidden,
                                       child: Text(
-                                      GuestAccess.forbidden.getLocalizedString(
+                                        GuestAccess.forbidden
+                                            .getLocalizedString(
                                                 MatrixLocals(L10n.of(context))),
                                       ),
                                     ),
                                 ],
                                 child: ListTile(
                                   leading: CircleAvatar(
-                                  backgroundColor:
+                                    backgroundColor: Theme.of(context)
-                                      Theme.of(context).scaffoldBackgroundColor,
+                                        .scaffoldBackgroundColor,
                                     foregroundColor: Colors.grey,
                                     child: Icon(Icons.info_outline),
                                   ),
@@ -470,8 +479,8 @@ class _ChatDetailsState extends State<ChatDetails> {
                               ),
                             ListTile(
                               title: Text(L10n.of(context).editChatPermissions),
-                            subtitle:
+                              subtitle: Text(
-                                Text(L10n.of(context).whoCanPerformWhichAction),
+                                  L10n.of(context).whoCanPerformWhichAction),
                               leading: CircleAvatar(
                                 backgroundColor:
                                     Theme.of(context).scaffoldBackgroundColor,
@@ -529,6 +538,7 @@ class _ChatDetailsState extends State<ChatDetails> {
                             ),
                 ),
               ),
+            ),
           );
         });
   }

lib/views/chat_encryption_settings.dart

@@ -2,6 +2,7 @@ import 'package:famedlysdk/encryption.dart';
 import 'package:famedlysdk/famedlysdk.dart';
 import 'package:fluffychat/views/widgets/avatar.dart';
 import 'package:fluffychat/views/widgets/matrix.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import '../views/widgets/dialogs/key_verification_dialog.dart';
@@ -81,7 +82,9 @@ class _ChatEncryptionSettingsState extends State<ChatEncryptionSettings> {
           ),
         ),
       ),
-      body: StreamBuilder(
+      body: MaxWidthBody(
+        withScrolling: true,
+        child: StreamBuilder(
             stream: room.onUpdate.stream,
             builder: (context, snapshot) {
               return FutureBuilder<List<DeviceKeys>>(
@@ -99,19 +102,24 @@ class _ChatEncryptionSettingsState extends State<ChatEncryptionSettings> {
                   }
                   final deviceKeys = snapshot.data;
                   return ListView.builder(
+                    shrinkWrap: true,
+                    physics: NeverScrollableScrollPhysics(),
                     itemCount: deviceKeys.length,
                     itemBuilder: (BuildContext context, int i) => Column(
                       mainAxisSize: MainAxisSize.min,
                       children: <Widget>[
                         if (i == 0 ||
-                          deviceKeys[i].userId != deviceKeys[i - 1].userId) ...{
+                            deviceKeys[i].userId !=
+                                deviceKeys[i - 1].userId) ...{
                           Divider(height: 1, thickness: 1),
                           PopupMenuButton(
                             onSelected: (action) =>
                                 onSelected(context, action, deviceKeys[i]),
                             itemBuilder: (c) {
                               var items = <PopupMenuEntry<String>>[];
-                            if (room.client.userDeviceKeys[deviceKeys[i].userId]
+                              if (room
+                                      .client
+                                      .userDeviceKeys[deviceKeys[i].userId]
                                       .verified ==
                                   UserVerifiedStatus.unknown) {
                                 items.add(PopupMenuItem(
@@ -162,7 +170,8 @@ class _ChatEncryptionSettingsState extends State<ChatEncryptionSettings> {
                             if (deviceKeys[i].blocked ||
                                 !deviceKeys[i].verified) {
                               items.add(PopupMenuItem(
-                              value: deviceKeys[i].userId == room.client.userID
+                                value:
+                                    deviceKeys[i].userId == room.client.userID
                                         ? 'verify'
                                         : 'verify_user',
                                 child: Text(L10n.of(context).verifyStart),
@@ -234,6 +243,7 @@ class _ChatEncryptionSettingsState extends State<ChatEncryptionSettings> {
                 },
               );
             }),
+      ),
     );
   }
 }

lib/views/chat_permissions_settings.dart

@@ -3,6 +3,7 @@ import 'dart:developer';
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:adaptive_page_layout/adaptive_page_layout.dart';
 import 'package:fluffychat/views/widgets/dialogs/permission_slider_dialog.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:fluffychat/views/widgets/matrix.dart';
 
@@ -52,12 +53,14 @@ class ChatPermissionsSettings extends StatelessWidget {
         leading: BackButton(),
         title: Text(L10n.of(context).editChatPermissions),
       ),
-      body: StreamBuilder(
+      body: MaxWidthBody(
+        withScrolling: true,
+        child: StreamBuilder(
           stream: Matrix.of(context).client.onSync.stream.where(
                 (e) =>
                     (e?.rooms?.join?.containsKey(roomId) ?? false) &&
-                  (e.rooms.join[roomId]?.timeline?.events
+                    (e.rooms.join[roomId]?.timeline?.events?.any(
-                          ?.any((s) => s.type == EventTypes.RoomPowerLevels) ??
+                            (s) => s.type == EventTypes.RoomPowerLevels) ??
                         false),
               ),
           builder: (context, _) {
@@ -70,7 +73,7 @@ class ChatPermissionsSettings extends StatelessWidget {
                 Map<String, dynamic>.from(powerLevelsContent['events'])
                   ..removeWhere((k, v) => !(v is int));
 
-          return ListView(
+            return Column(
               children: [
                 Column(
                   mainAxisSize: MainAxisSize.min,
@@ -94,8 +97,8 @@ class ChatPermissionsSettings extends StatelessWidget {
                     ),
                     Builder(builder: (context) {
                       final key = 'rooms';
-                    final int value =
+                      final int value = powerLevelsContent
-                        powerLevelsContent.containsKey('notifications')
+                              .containsKey('notifications')
                           ? powerLevelsContent['notifications']['rooms'] ?? 0
                           : 0;
                       return PermissionsListTile(
@@ -168,7 +171,8 @@ class ChatPermissionsSettings extends StatelessWidget {
                                 context: context,
                                 future: () =>
                                     room.client.upgradeRoom(roomId, newVersion),
-                            ).then((_) => AdaptivePageLayout.of(context).pop());
+                              ).then(
+                                  (_) => AdaptivePageLayout.of(context).pop());
                             },
                           );
                         },
@@ -180,6 +184,7 @@ class ChatPermissionsSettings extends StatelessWidget {
             );
           },
         ),
+      ),
     );
   }
 }

lib/views/invitation_selection.dart

@@ -5,6 +5,7 @@ import 'package:fluffychat/views/widgets/default_app_bar_search_field.dart';
 
 import 'package:famedlysdk/famedlysdk.dart';
 import 'package:fluffychat/views/widgets/avatar.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:fluffychat/views/widgets/matrix.dart';
 import 'package:flutter/material.dart';
@@ -128,8 +129,12 @@ class _InvitationSelectionState extends State<InvitationSelection> {
           onChanged: (String text) => searchUserWithCoolDown(context, text),
         ),
       ),
-      body: foundProfiles.isNotEmpty
+      body: MaxWidthBody(
+        withScrolling: true,
+        child: foundProfiles.isNotEmpty
             ? ListView.builder(
+                physics: NeverScrollableScrollPhysics(),
+                shrinkWrap: true,
                 itemCount: foundProfiles.length,
                 itemBuilder: (BuildContext context, int i) => ListTile(
                   leading: Avatar(
@@ -154,6 +159,8 @@ class _InvitationSelectionState extends State<InvitationSelection> {
                   }
                   var contacts = snapshot.data;
                   return ListView.builder(
+                    physics: NeverScrollableScrollPhysics(),
+                    shrinkWrap: true,
                     itemCount: contacts.length,
                     itemBuilder: (BuildContext context, int i) => ListTile(
                       leading: Avatar(
@@ -167,6 +174,7 @@ class _InvitationSelectionState extends State<InvitationSelection> {
                   );
                 },
               ),
+      ),
     );
   }
 }

lib/views/new_group.dart

@@ -1,5 +1,6 @@
 import 'package:adaptive_page_layout/adaptive_page_layout.dart';
 import 'package:famedlysdk/famedlysdk.dart' as sdk;
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:fluffychat/views/widgets/matrix.dart';
 import 'package:flutter/material.dart';
@@ -45,7 +46,8 @@ class _NewGroupState extends State<NewGroup> {
         title: Text(L10n.of(context).createNewGroup),
         elevation: 0,
       ),
-      body: Column(
+      body: MaxWidthBody(
+        child: Column(
           mainAxisSize: MainAxisSize.min,
           children: <Widget>[
             Padding(
@@ -72,6 +74,7 @@ class _NewGroupState extends State<NewGroup> {
             ),
           ],
         ),
+      ),
       floatingActionButton: FloatingActionButton(
         onPressed: () => submitAction(context),
         child: Icon(Icons.arrow_forward_outlined),

lib/views/new_private_chat.dart

@@ -4,6 +4,7 @@ import 'package:adaptive_page_layout/adaptive_page_layout.dart';
 import 'package:famedlysdk/famedlysdk.dart';
 import 'package:fluffychat/views/widgets/avatar.dart';
 import 'package:fluffychat/views/widgets/contacts_list.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:fluffychat/views/widgets/matrix.dart';
 import 'package:fluffychat/utils/fluffy_share.dart';
@@ -101,7 +102,8 @@ class _NewPrivateChatState extends State<NewPrivateChat> {
           )
         ],
       ),
-      body: Column(
+      body: MaxWidthBody(
+        child: Column(
           children: <Widget>[
             Padding(
               padding: const EdgeInsets.all(12.0),
@@ -145,7 +147,8 @@ class _NewPrivateChatState extends State<NewPrivateChat> {
                                 padding: const EdgeInsets.all(8.0),
                                 child: Avatar(
                                   foundProfile.avatarUrl,
-                                foundProfile.displayname ?? foundProfile.userId,
+                                  foundProfile.displayname ??
+                                      foundProfile.userId,
                                   size: 12,
                                 ),
                               )
@@ -198,7 +201,8 @@ class _NewPrivateChatState extends State<NewPrivateChat> {
                         //size: 24,
                       ),
                       title: Text(
-                      foundProfile.displayname ?? foundProfile.userId.localpart,
+                        foundProfile.displayname ??
+                            foundProfile.userId.localpart,
                         style: TextStyle(),
                         maxLines: 1,
                       ),
@@ -219,6 +223,7 @@ class _NewPrivateChatState extends State<NewPrivateChat> {
               ),
           ],
         ),
+      ),
     );
   }
 }

lib/views/settings_3pid.dart

@@ -1,5 +1,6 @@
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:famedlysdk/famedlysdk.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:fluffychat/views/widgets/matrix.dart';
 import 'package:flutter/material.dart';
@@ -99,7 +100,8 @@ class _Settings3PidState extends State<Settings3Pid> {
           )
         ],
       ),
-      body: FutureBuilder<List<ThirdPartyIdentifier>>(
+      body: MaxWidthBody(
+        child: FutureBuilder<List<ThirdPartyIdentifier>>(
           future: _request,
           builder: (BuildContext context,
               AsyncSnapshot<List<ThirdPartyIdentifier>> snapshot) {
@@ -131,7 +133,8 @@ class _Settings3PidState extends State<Settings3Pid> {
                   title: Text(
                     identifier.isEmpty
                         ? L10n.of(context).noPasswordRecoveryDescription
-                      : L10n.of(context).withTheseAddressesRecoveryDescription,
+                        : L10n.of(context)
+                            .withTheseAddressesRecoveryDescription,
                   ),
                 ),
                 Divider(height: 1),
@@ -158,6 +161,7 @@ class _Settings3PidState extends State<Settings3Pid> {
             );
           },
         ),
+      ),
     );
   }
 }

lib/views/settings_devices.dart

@@ -2,6 +2,7 @@ import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:famedlysdk/encryption/utils/key_verification.dart';
 import 'package:famedlysdk/famedlysdk.dart';
 import 'package:fluffychat/views/widgets/dialogs/key_verification_dialog.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
@@ -131,7 +132,8 @@ class DevicesSettingsState extends State<DevicesSettings> {
         leading: BackButton(),
         title: Text(L10n.of(context).devices),
       ),
-      body: FutureBuilder<bool>(
+      body: MaxWidthBody(
+        child: FutureBuilder<bool>(
           future: _loadUserDevices(context),
           builder: (BuildContext context, snapshot) {
             if (snapshot.hasError) {
@@ -151,7 +153,8 @@ class DevicesSettingsState extends State<DevicesSettings> {
             Function isOwnDevice = (Device userDevice) =>
                 userDevice.deviceId == Matrix.of(context).client.deviceID;
             final devices = List<Device>.from(this.devices);
-          var thisDevice = devices.firstWhere(isOwnDevice, orElse: () => null);
+            var thisDevice =
+                devices.firstWhere(isOwnDevice, orElse: () => null);
             devices.removeWhere(isOwnDevice);
             devices.sort((a, b) => b.lastSeenTs.compareTo(a.lastSeenTs));
             return Column(
@@ -209,6 +212,7 @@ class DevicesSettingsState extends State<DevicesSettings> {
             );
           },
         ),
+      ),
     );
   }
 }

lib/views/settings_emotes.dart

@@ -6,6 +6,7 @@ import 'package:famedlysdk/famedlysdk.dart';
 import 'package:file_picker_cross/file_picker_cross.dart';
 
 import 'package:fluffychat/utils/platform_infos.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
@@ -184,7 +185,8 @@ class _EmotesSettingsState extends State<EmotesSettings> {
               child: Icon(Icons.save_outlined, color: Colors.white),
             )
           : null,
-      body: StreamBuilder(
+      body: MaxWidthBody(
+        child: StreamBuilder(
             stream: widget.room?.onUpdate?.stream,
             builder: (context, snapshot) {
               return Column(
@@ -324,7 +326,8 @@ class _EmotesSettingsState extends State<EmotesSettings> {
                                   decoration: BoxDecoration(
                                     borderRadius:
                                         BorderRadius.all(Radius.circular(10)),
-                                  color: Theme.of(context).secondaryHeaderColor,
+                                    color:
+                                        Theme.of(context).secondaryHeaderColor,
                                   ),
                                   child: TextField(
                                     readOnly: readonly,
@@ -366,7 +369,8 @@ class _EmotesSettingsState extends State<EmotesSettings> {
                                         controller.text = emote.emoteClean;
                                         showOkAlertDialog(
                                           context: context,
-                                        message: L10n.of(context).emoteInvalid,
+                                          message:
+                                              L10n.of(context).emoteInvalid,
                                           okLabel: L10n.of(context).ok,
                                           useRootNavigator: false,
                                         );
@@ -401,6 +405,7 @@ class _EmotesSettingsState extends State<EmotesSettings> {
                 ],
               );
             }),
+      ),
     );
   }
 }

lib/views/settings_ignore_list.dart

@@ -1,5 +1,6 @@
 import 'package:famedlysdk/famedlysdk.dart';
 import 'package:fluffychat/views/widgets/avatar.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
@@ -45,7 +46,8 @@ class _SettingsIgnoreListState extends State<SettingsIgnoreList> {
         leading: BackButton(),
         title: Text(L10n.of(context).ignoredUsers),
       ),
-      body: Column(
+      body: MaxWidthBody(
+        child: Column(
           children: [
             Padding(
               padding: const EdgeInsets.all(16.0),
@@ -93,8 +95,8 @@ class _SettingsIgnoreListState extends State<SettingsIgnoreList> {
                             s.data?.avatarUrl ?? Uri.parse(''),
                             s.data?.displayname ?? client.ignoredUsers[i],
                           ),
-                        title:
+                          title: Text(
-                            Text(s.data?.displayname ?? client.ignoredUsers[i]),
+                              s.data?.displayname ?? client.ignoredUsers[i]),
                           trailing: IconButton(
                             tooltip: L10n.of(context).delete,
                             icon: Icon(Icons.delete_forever_outlined),
@@ -111,6 +113,7 @@ class _SettingsIgnoreListState extends State<SettingsIgnoreList> {
             ),
           ],
         ),
+      ),
     );
   }
 }

lib/views/settings_notifications.dart

@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import 'package:famedlysdk/famedlysdk.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:fluffychat/config/app_config.dart';
 import 'package:flutter/foundation.dart';
@@ -113,25 +114,28 @@ class SettingsNotifications extends StatelessWidget {
         leading: BackButton(),
         title: Text(L10n.of(context).notifications),
       ),
-      body: StreamBuilder(
+      body: MaxWidthBody(
+        withScrolling: true,
+        child: StreamBuilder(
             stream: Matrix.of(context)
                 .client
                 .onAccountData
                 .stream
                 .where((event) => event.type == 'm.push_rules'),
             builder: (BuildContext context, _) {
-            return ListView(
+              return Column(
                 children: [
                   SwitchListTile(
                     value: !Matrix.of(context).client.allPushNotificationsMuted,
-                  title:
+                    title: Text(
-                      Text(L10n.of(context).notificationsEnabledForThisAccount),
+                        L10n.of(context).notificationsEnabledForThisAccount),
                     onChanged: (_) => showFutureLoadingDialog(
                       context: context,
-                    future: () => Matrix.of(context)
+                      future: () =>
+                          Matrix.of(context).client.setMuteAllPushNotifications(
+                                !Matrix.of(context)
                                     .client
-                        .setMuteAllPushNotifications(
+                                    .allPushNotificationsMuted,
-                          !Matrix.of(context).client.allPushNotificationsMuted,
                               ),
                     ),
                   ),
@@ -204,6 +208,7 @@ class SettingsNotifications extends StatelessWidget {
                 ],
               );
             }),
+      ),
     );
   }
 }

lib/views/settings_style.dart

@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:adaptive_theme/adaptive_theme.dart';
 import 'package:fluffychat/config/setting_keys.dart';
+import 'package:fluffychat/views/widgets/max_width_body.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:image_picker/image_picker.dart';
@@ -56,7 +57,9 @@ class _SettingsStyleState extends State<SettingsStyle> {
         leading: BackButton(),
         title: Text(L10n.of(context).changeTheme),
       ),
-      body: ListView(
+      body: MaxWidthBody(
+        withScrolling: true,
+        child: Column(
           children: [
             RadioListTile<AdaptiveThemeMode>(
               groupValue: _currentTheme,
@@ -121,7 +124,8 @@ class _SettingsStyleState extends State<SettingsStyle> {
               alignment: Alignment.centerLeft,
               child: Container(
                 margin: const EdgeInsets.symmetric(horizontal: 16),
-              padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 10),
+                padding:
+                    const EdgeInsets.symmetric(vertical: 6, horizontal: 10),
                 decoration: BoxDecoration(
                   color: Theme.of(context).secondaryHeaderColor,
                   borderRadius: BorderRadius.circular(16),
@@ -151,6 +155,7 @@ class _SettingsStyleState extends State<SettingsStyle> {
             ),
           ],
         ),
+      ),
     );
   }
 }

lib/views/widgets/max_width_body.dart

@@ -0,0 +1,38 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+class MaxWidthBody extends StatelessWidget {
+  final Widget child;
+  final double maxWidth;
+  final bool withScrolling;
+
+  const MaxWidthBody({
+    this.child,
+    this.maxWidth = 600,
+    this.withScrolling = false,
+    Key key,
+  }) : super(key: key);
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(
+      builder: (context, constraints) {
+        final padding = EdgeInsets.symmetric(
+          horizontal: max(0, (constraints.maxWidth - maxWidth) / 2),
+        );
+        return withScrolling
+            ? SingleChildScrollView(
+                physics: ScrollPhysics(),
+                child: Padding(
+                  padding: padding,
+                  child: child,
+                ),
+              )
+            : Padding(
+                padding: padding,
+                child: child,
+              );
+      },
+    );
+  }
+}