From cb7eb89b51a703eda7f8b593cbac98d45d0298d7 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Sun, 23 Jan 2022 12:30:38 +0100
Subject: [PATCH 01/10] Reenable orientation change and add a workaround for
 android

---
 .../android/app/src/main/AndroidManifest.xml  |  2 +-
 frontend/lib/map/map/map.dart                 | 18 +++++--
 .../lib/map/map/screen_parent_resizer.dart    | 53 +++++++++++++++++++
 3 files changed, 68 insertions(+), 5 deletions(-)
 create mode 100644 frontend/lib/map/map/screen_parent_resizer.dart

diff --git a/frontend/android/app/src/main/AndroidManifest.xml b/frontend/android/app/src/main/AndroidManifest.xml
index d2594cd2a..56d5f7528 100644
--- a/frontend/android/app/src/main/AndroidManifest.xml
+++ b/frontend/android/app/src/main/AndroidManifest.xml
@@ -12,7 +12,7 @@
         <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"
-            android:screenOrientation="portrait"
+            android:screenOrientation="unspecified"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
diff --git a/frontend/lib/map/map/map.dart b/frontend/lib/map/map/map.dart
index a00c678c3..78b781233 100644
--- a/frontend/lib/map/map/map.dart
+++ b/frontend/lib/map/map/map.dart
@@ -1,5 +1,6 @@
 import 'dart:io';
 import 'dart:math' as math;
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:maplibre_gl/mapbox_gl.dart';
@@ -7,6 +8,7 @@ import 'package:maplibre_gl/mapbox_gl.dart';
 import '../../configuration/configuration.dart';
 import 'attribution_dialog.dart';
 import 'map_controller.dart';
+import 'screen_parent_resizer.dart';
 
 typedef OnFeatureClickCallback = void Function(dynamic feature);
 typedef OnNoFeatureClickCallback = void Function();
@@ -43,7 +45,7 @@ class _MapState extends State<Map> implements MapController {
   MaplibreMapController? _controller;
   Symbol? _symbol;
   bool _permissionGiven = false;
-  Stack? _mapboxView;
+  Widget? _currentMapLibreView;
   bool _isAnimating = false;
 
   @override
@@ -59,13 +61,16 @@ class _MapState extends State<Map> implements MapController {
     final pixelRatio = MediaQuery.of(context).devicePixelRatio;
     final compassMargin = Platform.isIOS ? statusBarHeight / pixelRatio : statusBarHeight * pixelRatio;
 
-    if (_mapboxView == null || !_isAnimating) {
+    final Widget? currentMapLibreView = _currentMapLibreView;
+    final Widget maplibreView;
+
+    if (currentMapLibreView == null || !_isAnimating) {
       final userLocation = widget.userLocation;
       final cameraPosition = userLocation != null
           ? CameraPosition(target: userLocation, zoom: Map.userLocationZoomLevel)
           : const CameraPosition(target: Map.centerOfBavaria, zoom: Map.bavariaZoomLevel);
 
-      _mapboxView = Stack(
+      maplibreView = Stack(
         children: [
           MaplibreMap(
             initialCameraPosition: cameraPosition,
@@ -106,8 +111,13 @@ class _MapState extends State<Map> implements MapController {
           ),
         ],
       );
+    } else {
+      maplibreView = currentMapLibreView;
     }
-    return _mapboxView ?? Container();
+
+    // Apply ScreenParentResizer only on android
+    // https://github.com/flutter-mapbox-gl/maps/issues/195
+    return defaultTargetPlatform == TargetPlatform.android ? ScreenParentResizer(child: maplibreView) : maplibreView;
   }
 
   void _onMapCreated(MaplibreMapController controller) {
diff --git a/frontend/lib/map/map/screen_parent_resizer.dart b/frontend/lib/map/map/screen_parent_resizer.dart
new file mode 100644
index 000000000..7a3b55616
--- /dev/null
+++ b/frontend/lib/map/map/screen_parent_resizer.dart
@@ -0,0 +1,53 @@
+import 'dart:math';
+import 'package:flutter/material.dart';
+
+/// A widget which resizes the child widget twice when the orientation changes.
+///
+/// * Firstly, the child is resized to
+///   `width = height = max(screenWidth, screenHeight)`. This creates a square.
+/// * Secondly, the child is resized to
+///   `width = parentWidth, height = parentHeight. This sizes the child according to the parent constraints.
+class ScreenParentResizer extends StatefulWidget {
+  final Widget? child;
+
+  const ScreenParentResizer({
+    Key? key,
+    required Widget this.child,
+  }) : super(key: key);
+
+  @override
+  State createState() => _ScreenParentResizer();
+}
+
+class _ScreenParentResizer extends State<ScreenParentResizer> {
+  Orientation? _lastBuildOrientation;
+
+  @override
+  Widget build(BuildContext context) {
+    final maximum = max(
+      MediaQuery.of(context).size.width,
+      MediaQuery.of(context).size.height,
+    );
+
+    final currentOrientation = MediaQuery.of(context).orientation;
+    final isOverDrawingSquare = currentOrientation != _lastBuildOrientation;
+
+    if (isOverDrawingSquare) {
+      WidgetsBinding.instance!.addPostFrameCallback(
+        (_) => setState(() {
+          _lastBuildOrientation = currentOrientation;
+        }),
+      );
+    }
+
+    final width = isOverDrawingSquare ? maximum : null;
+    final height = isOverDrawingSquare ? maximum : null;
+
+    return OverflowBox(
+      alignment: Alignment.topLeft,
+      maxHeight: height,
+      maxWidth: width,
+      child: widget.child,
+    );
+  }
+}

From b8363ca82f9db2c6e06ab2ea4d616a7293e21dd8 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Sun, 23 Jan 2022 12:31:02 +0100
Subject: [PATCH 02/10] Set max line width to 120

---
 .idea/codeStyles/Project.xml         | 3 +++
 .idea/codeStyles/codeStyleConfig.xml | 1 -
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index e3e66c43e..e8b634e73 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -7,6 +7,9 @@
     <JetCodeStyleSettings>
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
+    <codeStyleSettings language="Dart">
+      <option name="RIGHT_MARGIN" value="120" />
+    </codeStyleSettings>
     <codeStyleSettings language="JavaScript">
       <indentOptions>
         <option name="INDENT_SIZE" value="2" />
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
index 6e6eec114..79ee123c2 100644
--- a/.idea/codeStyles/codeStyleConfig.xml
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -1,6 +1,5 @@
 <component name="ProjectCodeStyleConfiguration">
   <state>
     <option name="USE_PER_PROJECT_SETTINGS" value="true" />
-    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
   </state>
 </component>
\ No newline at end of file

From 3ee33c49e6f07f30f11f1b734655f7f235fa8ba8 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Tue, 25 Jan 2022 16:34:58 +0100
Subject: [PATCH 03/10] Delay by two frames

---
 frontend/lib/map/map/screen_parent_resizer.dart | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/frontend/lib/map/map/screen_parent_resizer.dart b/frontend/lib/map/map/screen_parent_resizer.dart
index 7a3b55616..13db1f989 100644
--- a/frontend/lib/map/map/screen_parent_resizer.dart
+++ b/frontend/lib/map/map/screen_parent_resizer.dart
@@ -31,12 +31,14 @@ class _ScreenParentResizer extends State<ScreenParentResizer> {
 
     final currentOrientation = MediaQuery.of(context).orientation;
     final isOverDrawingSquare = currentOrientation != _lastBuildOrientation;
-
     if (isOverDrawingSquare) {
+      // Delay setState by 2 frames. If we delay only by one frame, then Flutter is able to optimize this away.
       WidgetsBinding.instance!.addPostFrameCallback(
-        (_) => setState(() {
-          _lastBuildOrientation = currentOrientation;
-        }),
+        (_) => WidgetsBinding.instance!.addPostFrameCallback(
+          (_) => setState(() {
+            _lastBuildOrientation = currentOrientation;
+          }),
+        ),
       );
     }
 

From 558dd4785c4f95f1a86f1bb1fe8ec9eb898737c2 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Tue, 25 Jan 2022 18:18:44 +0100
Subject: [PATCH 04/10] Make sure home is not pushed before the intro slides

---
 frontend/lib/entry_widget.dart                | 23 ++++++++++---------
 frontend/lib/intro_slides/intro_screen.dart   |  2 +-
 .../lib/map/map/screen_parent_resizer.dart    |  7 ++++--
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/frontend/lib/entry_widget.dart b/frontend/lib/entry_widget.dart
index 3d33a9162..b4d8c02d7 100644
--- a/frontend/lib/entry_widget.dart
+++ b/frontend/lib/entry_widget.dart
@@ -27,15 +27,19 @@ class EntryWidget extends StatelessWidget {
           return ErrorMessage(error.toString());
         } else if (snapshot.hasData && settings != null) {
           final routes = <String, WidgetBuilder>{};
-          String? initialRoute;
+          String initialRoute = '/';
+
+          routes.addAll(<String, WidgetBuilder>{
+            'intro': (context) => IntroScreen(
+                  onFinishedCallback: () => settings.setFirstStart(enabled: false),
+                ),
+            '/': (context) => HomePage(
+                  showVerification: configuration.showVerification,
+                )
+          });
 
           if (settings.firstStart) {
-            routes.addAll(<String, WidgetBuilder>{
-              '/intro': (context) => IntroScreen(
-                    onFinishedCallback: () => settings.setFirstStart(enabled: false),
-                  ),
-            });
-            initialRoute = '/intro';
+            initialRoute = 'intro';
           }
 
           return MaterialApp(
@@ -43,7 +47,6 @@ class EntryWidget extends StatelessWidget {
             theme: lightTheme,
             darkTheme: darkTheme,
             themeMode: ThemeMode.system,
-            initialRoute: initialRoute,
             debugShowCheckedModeBanner: false,
             localizationsDelegates: const [
               GlobalMaterialLocalizations.delegate,
@@ -53,9 +56,7 @@ class EntryWidget extends StatelessWidget {
             ],
             supportedLocales: const [Locale('de')],
             locale: const Locale('de'),
-            home: HomePage(
-              showVerification: configuration.showVerification,
-            ),
+            initialRoute: initialRoute,
             routes: routes,
           );
         } else {
diff --git a/frontend/lib/intro_slides/intro_screen.dart b/frontend/lib/intro_slides/intro_screen.dart
index dad93cab0..2d5aa239c 100644
--- a/frontend/lib/intro_slides/intro_screen.dart
+++ b/frontend/lib/intro_slides/intro_screen.dart
@@ -82,7 +82,7 @@ class IntroScreenState extends State<IntroScreen> {
     if (onFinishedCallback != null) {
       onFinishedCallback();
     }
-    Navigator.of(context).pop();
+    Navigator.of(context).pushReplacementNamed("/");
   }
 
   @override
diff --git a/frontend/lib/map/map/screen_parent_resizer.dart b/frontend/lib/map/map/screen_parent_resizer.dart
index 13db1f989..1f7505741 100644
--- a/frontend/lib/map/map/screen_parent_resizer.dart
+++ b/frontend/lib/map/map/screen_parent_resizer.dart
@@ -31,6 +31,7 @@ class _ScreenParentResizer extends State<ScreenParentResizer> {
 
     final currentOrientation = MediaQuery.of(context).orientation;
     final isOverDrawingSquare = currentOrientation != _lastBuildOrientation;
+
     if (isOverDrawingSquare) {
       // Delay setState by 2 frames. If we delay only by one frame, then Flutter is able to optimize this away.
       WidgetsBinding.instance!.addPostFrameCallback(
@@ -42,13 +43,15 @@ class _ScreenParentResizer extends State<ScreenParentResizer> {
       );
     }
 
-    final width = isOverDrawingSquare ? maximum : null;
-    final height = isOverDrawingSquare ? maximum : null;
+    final width = isOverDrawingSquare ? maximum : MediaQuery.of(context).size.width;
+    final height = isOverDrawingSquare ? maximum : MediaQuery.of(context).size.height;
 
     return OverflowBox(
       alignment: Alignment.topLeft,
       maxHeight: height,
       maxWidth: width,
+      minWidth: width,
+      minHeight: height,
       child: widget.child,
     );
   }

From b2ef97058eeb5bdadae4aaf14cf2136864be18f0 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Wed, 26 Jan 2022 17:10:55 +0100
Subject: [PATCH 05/10] Refactor routing code

---
 frontend/lib/entry_widget.dart              | 18 ++++++++----------
 frontend/lib/intro_slides/intro_screen.dart |  3 ++-
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/frontend/lib/entry_widget.dart b/frontend/lib/entry_widget.dart
index b4d8c02d7..868591e1f 100644
--- a/frontend/lib/entry_widget.dart
+++ b/frontend/lib/entry_widget.dart
@@ -10,6 +10,9 @@ import 'home/home_page.dart';
 import 'intro_slides/intro_screen.dart';
 import 'themes.dart';
 
+const introRouteName = "/intro";
+const homeRouteName = "/home";
+
 class EntryWidget extends StatelessWidget {
   const EntryWidget({Key? key}) : super(key: key);
 
@@ -26,21 +29,16 @@ class EntryWidget extends StatelessWidget {
         if (snapshot.hasError && error != null) {
           return ErrorMessage(error.toString());
         } else if (snapshot.hasData && settings != null) {
-          final routes = <String, WidgetBuilder>{};
-          String initialRoute = '/';
-
-          routes.addAll(<String, WidgetBuilder>{
-            'intro': (context) => IntroScreen(
+          final routes = <String, WidgetBuilder>{
+            introRouteName: (context) => IntroScreen(
                   onFinishedCallback: () => settings.setFirstStart(enabled: false),
                 ),
-            '/': (context) => HomePage(
+            homeRouteName: (context) => HomePage(
                   showVerification: configuration.showVerification,
                 )
-          });
+          };
 
-          if (settings.firstStart) {
-            initialRoute = 'intro';
-          }
+          final String initialRoute = settings.firstStart ? introRouteName : homeRouteName;
 
           return MaterialApp(
             title: 'Ehrenamtskarte',
diff --git a/frontend/lib/intro_slides/intro_screen.dart b/frontend/lib/intro_slides/intro_screen.dart
index 2d5aa239c..2ccd30e9f 100644
--- a/frontend/lib/intro_slides/intro_screen.dart
+++ b/frontend/lib/intro_slides/intro_screen.dart
@@ -1,3 +1,4 @@
+import 'package:ehrenamtskarte/entry_widget.dart';
 import 'package:flutter/material.dart';
 import 'package:intro_slider/intro_slider.dart';
 import 'package:intro_slider/slide_object.dart';
@@ -82,7 +83,7 @@ class IntroScreenState extends State<IntroScreen> {
     if (onFinishedCallback != null) {
       onFinishedCallback();
     }
-    Navigator.of(context).pushReplacementNamed("/");
+    Navigator.of(context).pushReplacementNamed(homeRouteName);
   }
 
   @override

From cc33a9424802755ed7e71716b9d0720c5d1446a8 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Wed, 26 Jan 2022 17:33:22 +0100
Subject: [PATCH 06/10] Use parent constraints

---
 frontend/lib/map/map/screen_parent_resizer.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/frontend/lib/map/map/screen_parent_resizer.dart b/frontend/lib/map/map/screen_parent_resizer.dart
index 1f7505741..33c514d9b 100644
--- a/frontend/lib/map/map/screen_parent_resizer.dart
+++ b/frontend/lib/map/map/screen_parent_resizer.dart
@@ -43,8 +43,8 @@ class _ScreenParentResizer extends State<ScreenParentResizer> {
       );
     }
 
-    final width = isOverDrawingSquare ? maximum : MediaQuery.of(context).size.width;
-    final height = isOverDrawingSquare ? maximum : MediaQuery.of(context).size.height;
+    final width = isOverDrawingSquare ? maximum : null;
+    final height = isOverDrawingSquare ? maximum : null;
 
     return OverflowBox(
       alignment: Alignment.topLeft,

From 71c9f7b048d2f36c8fff7159f31d6073fdc114e5 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Wed, 26 Jan 2022 17:33:47 +0100
Subject: [PATCH 07/10] Do not resize if child is not initialized and remove
 addPostFrameCallback

---
 frontend/lib/map/map/map.dart                 | 13 ++++++-
 .../lib/map/map/screen_parent_resizer.dart    | 36 +++++++++++++------
 2 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/frontend/lib/map/map/map.dart b/frontend/lib/map/map/map.dart
index 78b781233..5537c421f 100644
--- a/frontend/lib/map/map/map.dart
+++ b/frontend/lib/map/map/map.dart
@@ -47,6 +47,7 @@ class _MapState extends State<Map> implements MapController {
   bool _permissionGiven = false;
   Widget? _currentMapLibreView;
   bool _isAnimating = false;
+  bool _isMapInitialized = false;
 
   @override
   void didChangeDependencies() {
@@ -117,7 +118,12 @@ class _MapState extends State<Map> implements MapController {
 
     // Apply ScreenParentResizer only on android
     // https://github.com/flutter-mapbox-gl/maps/issues/195
-    return defaultTargetPlatform == TargetPlatform.android ? ScreenParentResizer(child: maplibreView) : maplibreView;
+    return defaultTargetPlatform == TargetPlatform.android
+        ? ScreenParentResizer(
+            childInitialized: _isMapInitialized,
+            child: maplibreView,
+          )
+        : maplibreView;
   }
 
   void _onMapCreated(MaplibreMapController controller) {
@@ -125,6 +131,11 @@ class _MapState extends State<Map> implements MapController {
     if (widget.locationAvailable) {
       _controller?.updateMyLocationTrackingMode(MyLocationTrackingMode.Tracking);
     }
+
+    setState(() {
+      _isMapInitialized = true;
+    });
+
     final onMapCreated = widget.onMapCreated;
     if (onMapCreated != null) {
       onMapCreated(this);
diff --git a/frontend/lib/map/map/screen_parent_resizer.dart b/frontend/lib/map/map/screen_parent_resizer.dart
index 33c514d9b..3aa9c1706 100644
--- a/frontend/lib/map/map/screen_parent_resizer.dart
+++ b/frontend/lib/map/map/screen_parent_resizer.dart
@@ -3,16 +3,19 @@ import 'package:flutter/material.dart';
 
 /// A widget which resizes the child widget twice when the orientation changes.
 ///
-/// * Firstly, the child is resized to
+/// * Firstly, the child put in a container with the following constraints:
 ///   `width = height = max(screenWidth, screenHeight)`. This creates a square.
 /// * Secondly, the child is resized to
-///   `width = parentWidth, height = parentHeight. This sizes the child according to the parent constraints.
+///   `width = parentWidth, height = parentHeight. This sizes the child according to the parent constraints. This
+///   resize only happens if the child is already initialized. If it is not yet initialized then the resize is delayed.
 class ScreenParentResizer extends StatefulWidget {
   final Widget? child;
+  final bool childInitialized;
 
   const ScreenParentResizer({
     Key? key,
     required Widget this.child,
+    required this.childInitialized,
   }) : super(key: key);
 
   @override
@@ -21,6 +24,19 @@ class ScreenParentResizer extends StatefulWidget {
 
 class _ScreenParentResizer extends State<ScreenParentResizer> {
   Orientation? _lastBuildOrientation;
+  Orientation? _initialOrientationUpdate;
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+
+    // As soon as the child is initialized we trigger the orientation update
+    if (widget.childInitialized) {
+      setState(() {
+        _lastBuildOrientation = _initialOrientationUpdate;
+      });
+    }
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -33,14 +49,14 @@ class _ScreenParentResizer extends State<ScreenParentResizer> {
     final isOverDrawingSquare = currentOrientation != _lastBuildOrientation;
 
     if (isOverDrawingSquare) {
-      // Delay setState by 2 frames. If we delay only by one frame, then Flutter is able to optimize this away.
-      WidgetsBinding.instance!.addPostFrameCallback(
-        (_) => WidgetsBinding.instance!.addPostFrameCallback(
-          (_) => setState(() {
-            _lastBuildOrientation = currentOrientation;
-          }),
-        ),
-      );
+      // We only trigger a resize if the child component finished initializing
+      if (widget.childInitialized) {
+        setState(() {
+          _lastBuildOrientation = currentOrientation;
+        });
+      } else {
+        _initialOrientationUpdate = currentOrientation;
+      }
     }
 
     final width = isOverDrawingSquare ? maximum : null;

From efae48f48ec34b8535ced9dd160fb160a8c18891 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Wed, 26 Jan 2022 20:21:14 +0100
Subject: [PATCH 08/10] Use LayoutBuilder to get constraints

---
 .../lib/map/map/screen_parent_resizer.dart    | 40 +++++++++++++++----
 1 file changed, 32 insertions(+), 8 deletions(-)

diff --git a/frontend/lib/map/map/screen_parent_resizer.dart b/frontend/lib/map/map/screen_parent_resizer.dart
index 3aa9c1706..857fb4473 100644
--- a/frontend/lib/map/map/screen_parent_resizer.dart
+++ b/frontend/lib/map/map/screen_parent_resizer.dart
@@ -8,21 +8,47 @@ import 'package:flutter/material.dart';
 /// * Secondly, the child is resized to
 ///   `width = parentWidth, height = parentHeight. This sizes the child according to the parent constraints. This
 ///   resize only happens if the child is already initialized. If it is not yet initialized then the resize is delayed.
-class ScreenParentResizer extends StatefulWidget {
-  final Widget? child;
+class ScreenParentResizer extends StatelessWidget {
+  final Widget child;
   final bool childInitialized;
 
   const ScreenParentResizer({
+    Key? key,
+    required this.child,
+    required this.childInitialized,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(
+      builder: (BuildContext context, BoxConstraints constraints) {
+        return _InnerScreenParentResizer(
+          childInitialized: childInitialized,
+          constraints: constraints,
+          child: child,
+        );
+      },
+    );
+  }
+}
+
+class _InnerScreenParentResizer extends StatefulWidget {
+  final Widget? child;
+  final bool childInitialized;
+  final BoxConstraints constraints;
+
+  const _InnerScreenParentResizer({
     Key? key,
     required Widget this.child,
     required this.childInitialized,
+    required this.constraints,
   }) : super(key: key);
 
   @override
-  State createState() => _ScreenParentResizer();
+  State createState() => _InnerScreenParentResizerState();
 }
 
-class _ScreenParentResizer extends State<ScreenParentResizer> {
+class _InnerScreenParentResizerState extends State<_InnerScreenParentResizer> {
   Orientation? _lastBuildOrientation;
   Orientation? _initialOrientationUpdate;
 
@@ -41,8 +67,8 @@ class _ScreenParentResizer extends State<ScreenParentResizer> {
   @override
   Widget build(BuildContext context) {
     final maximum = max(
-      MediaQuery.of(context).size.width,
-      MediaQuery.of(context).size.height,
+      widget.constraints.maxWidth,
+      widget.constraints.maxHeight,
     );
 
     final currentOrientation = MediaQuery.of(context).orientation;
@@ -66,8 +92,6 @@ class _ScreenParentResizer extends State<ScreenParentResizer> {
       alignment: Alignment.topLeft,
       maxHeight: height,
       maxWidth: width,
-      minWidth: width,
-      minHeight: height,
       child: widget.child,
     );
   }

From 7675f039be5b914ad9c1331cc39e615ff802b5f8 Mon Sep 17 00:00:00 2001
From: Maximilian Ammann <max@maxammann.org>
Date: Wed, 26 Jan 2022 21:04:55 +0100
Subject: [PATCH 09/10] Update comment

---
 frontend/lib/map/map/screen_parent_resizer.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/frontend/lib/map/map/screen_parent_resizer.dart b/frontend/lib/map/map/screen_parent_resizer.dart
index 857fb4473..7cd8816e8 100644
--- a/frontend/lib/map/map/screen_parent_resizer.dart
+++ b/frontend/lib/map/map/screen_parent_resizer.dart
@@ -4,9 +4,9 @@ import 'package:flutter/material.dart';
 /// A widget which resizes the child widget twice when the orientation changes.
 ///
 /// * Firstly, the child put in a container with the following constraints:
-///   `width = height = max(screenWidth, screenHeight)`. This creates a square.
+///   `width = height = max(parentMaxWidth, parentMaxHeight)`. This creates a square.
 /// * Secondly, the child is resized to
-///   `width = parentWidth, height = parentHeight. This sizes the child according to the parent constraints. This
+///   `width = parentMaxWidth, height = parentMaxHeight. This sizes the child according to the parent constraints. This
 ///   resize only happens if the child is already initialized. If it is not yet initialized then the resize is delayed.
 class ScreenParentResizer extends StatelessWidget {
   final Widget child;

From 84a5a428b7eb918056b097834ea94ee598dfae8c Mon Sep 17 00:00:00 2001
From: Max Ammann <max@maxammann.org>
Date: Thu, 27 Jan 2022 15:36:18 +0100
Subject: [PATCH 10/10] Remove unneccassary prop

Co-authored-by: Steffen Kleinle <steffen.kleinle@mailbox.org>
---
 frontend/android/app/src/main/AndroidManifest.xml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/frontend/android/app/src/main/AndroidManifest.xml b/frontend/android/app/src/main/AndroidManifest.xml
index 56d5f7528..3fff0ea3d 100644
--- a/frontend/android/app/src/main/AndroidManifest.xml
+++ b/frontend/android/app/src/main/AndroidManifest.xml
@@ -12,7 +12,6 @@
         <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"
-            android:screenOrientation="unspecified"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"