[WIP] Allow updating location stream settings

geolocator/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 14.1.0
+
+- Adds updatePositionStream API for changing parameters while a position stream is running.
+
 ## 14.0.2
 
 - Adds section about `UIBackgroundModes` to the README. 

geolocator/example/android/app/src/main/AndroidManifest.xml

@@ -8,7 +8,10 @@
 
     <!-- Permissions options for the `location` group -->
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_LOCATION" />
 
     <application
@@ -28,21 +31,21 @@
                  while the Flutter UI initializes. After that, this theme continues
                  to determine the Window background behind the Flutter UI. -->
             <meta-data
-              android:name="io.flutter.embedding.android.NormalTheme"
-              android:resource="@style/NormalTheme"
-              />
+                android:name="io.flutter.embedding.android.NormalTheme"
+                android:resource="@style/NormalTheme"
+            />
             <!-- Displays an Android View that continues showing the launch screen
                  Drawable until Flutter paints its first frame, then this splash
                  screen fades out. A splash screen is useful to avoid any visual
                  gap between the end of Android's launch screen and the painting of
                  Flutter's first frame. -->
             <meta-data
-              android:name="io.flutter.embedding.android.SplashScreenDrawable"
-              android:resource="@drawable/launch_background"
-              />
+                android:name="io.flutter.embedding.android.SplashScreenDrawable"
+                android:resource="@drawable/launch_background"
+            />
             <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
@@ -51,4 +54,4 @@
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
-</manifest>
+</manifest>

geolocator/example/ios/Flutter/AppFrameworkInfo.plist

@@ -1,26 +1,26 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
-  <key>CFBundleDevelopmentRegion</key>
-  <string>$(DEVELOPMENT_LANGUAGE)</string>
-  <key>CFBundleExecutable</key>
-  <string>App</string>
-  <key>CFBundleIdentifier</key>
-  <string>io.flutter.flutter.app</string>
-  <key>CFBundleInfoDictionaryVersion</key>
-  <string>6.0</string>
-  <key>CFBundleName</key>
-  <string>App</string>
-  <key>CFBundlePackageType</key>
-  <string>FMWK</string>
-  <key>CFBundleShortVersionString</key>
-  <string>1.0</string>
-  <key>CFBundleSignature</key>
-  <string>????</string>
-  <key>CFBundleVersion</key>
-  <string>1.0</string>
-  <key>MinimumOSVersion</key>
-  <string>11.0</string>
-</dict>
-</plist>
+  <dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>$(DEVELOPMENT_LANGUAGE)</string>
+    <key>CFBundleExecutable</key>
+    <string>App</string>
+    <key>CFBundleIdentifier</key>
+    <string>io.flutter.flutter.app</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleName</key>
+    <string>App</string>
+    <key>CFBundlePackageType</key>
+    <string>FMWK</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>CFBundleVersion</key>
+    <string>1.0</string>
+    <key>MinimumOSVersion</key>
+    <string>12.0</string>
+  </dict>
+</plist>

geolocator/example/ios/Runner.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 50;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -149,6 +149,7 @@
 				97C146EC1CF9000F007C117D /* Resources */,
 				9705A1C41CF9048500538489 /* Embed Frameworks */,
 				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
+				2169DAB2B55B50BFEA564873 /* [CP] Copy Pods Resources */,
 			);
 			buildRules = (
 			);
@@ -165,7 +166,7 @@
 		97C146E61CF9000F007C117D /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1510;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
 					97C146ED1CF9000F007C117D = {
@@ -206,12 +207,31 @@
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXShellScriptBuildPhase section */
+		2169DAB2B55B50BFEA564873 /* [CP] Copy Pods Resources */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-input-files.xcfilelist",
+			);
+			name = "[CP] Copy Pods Resources";
+			outputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-output-files.xcfilelist",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
 			inputPaths = (
+				"${TARGET_BUILD_DIR}/${INFOPLIST_PATH}",
 			);
 			name = "Thin Binary";
 			outputPaths = (
@@ -244,6 +264,7 @@
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -332,7 +353,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -415,7 +436,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -464,7 +485,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

geolocator/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1510"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

geolocator/example/ios/Runner/Info.plist

@@ -48,5 +48,9 @@
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
 </dict>
 </plist>

geolocator/example/lib/main.dart

@@ -1,8 +1,9 @@
 import 'dart:async';
 import 'dart:io' show Platform;
 
-import 'package:baseflow_plugin_template/baseflow_plugin_template.dart';
 import 'package:flutter/material.dart';
+
+import 'package:baseflow_plugin_template/baseflow_plugin_template.dart';
 import 'package:geolocator/geolocator.dart';
 
 /// Defines the main theme color.
@@ -39,9 +40,11 @@ class _GeolocatorWidgetState extends State<GeolocatorWidget> {
 
   final GeolocatorPlatform _geolocatorPlatform = GeolocatorPlatform.instance;
   final List<_PositionItem> _positionItems = <_PositionItem>[];
+  final ScrollController _scrollController = ScrollController();
   StreamSubscription<Position>? _positionStreamSubscription;
   StreamSubscription<ServiceStatus>? _serviceStatusStreamSubscription;
   bool positionStreamStarted = false;
+  bool fastUpdates = false;
 
   @override
   void initState() {
@@ -120,6 +123,7 @@ class _GeolocatorWidgetState extends State<GeolocatorWidget> {
             (context) => Scaffold(
               backgroundColor: Theme.of(context).colorScheme.surface,
               body: ListView.builder(
+                controller: _scrollController,
                 itemCount: _positionItems.length,
                 itemBuilder: (context, index) {
                   final positionItem = _positionItems[index];
@@ -167,6 +171,17 @@ class _GeolocatorWidgetState extends State<GeolocatorWidget> {
                         : const Icon(Icons.pause),
                   ),
                   sizedBox,
+                  if (_positionStreamSubscription != null)
+                    Column(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        FloatingActionButton(
+                          onPressed: _toggleUpdateSpeed,
+                          child: const Icon(Icons.speed),
+                        ),
+                        sizedBox,
+                      ],
+                    ),
                   FloatingActionButton(
                     onPressed: _getCurrentPosition,
                     child: const Icon(Icons.my_location),
@@ -252,9 +267,12 @@ class _GeolocatorWidgetState extends State<GeolocatorWidget> {
     return true;
   }
 
-  void _updatePositionList(_PositionItemType type, String displayValue) {
+  void _updatePositionList(_PositionItemType type, String displayValue) async {
     _positionItems.add(_PositionItem(type, displayValue));
     setState(() {});
+    await Future.delayed(const Duration(milliseconds: 50));
+    if (!mounted) return;
+    _scrollController.jumpTo(_scrollController.position.maxScrollExtent);
   }
 
   bool _isListening() => !(_positionStreamSubscription == null ||
@@ -299,7 +317,19 @@ class _GeolocatorWidgetState extends State<GeolocatorWidget> {
 
   void _toggleListening() {
     if (_positionStreamSubscription == null) {
-      final positionStream = _geolocatorPlatform.getPositionStream();
+      final settings = AndroidSettings(
+        distanceFilter: 50,
+        foregroundNotificationConfig: const ForegroundNotificationConfig(
+          notificationTitle: 'Geolocator is tracking your trip',
+          notificationText:
+              'This is a persistent notification and is used to start a foreground service.',
+          enableWifiLock: true,
+          enableWakeLock: true,
+          setOngoing: true,
+        ),
+      );
+      final positionStream =
+          _geolocatorPlatform.getPositionStream(locationSettings: settings);
       _positionStreamSubscription = positionStream.handleError((error) {
         _positionStreamSubscription?.cancel();
         _positionStreamSubscription = null;
@@ -331,6 +361,41 @@ class _GeolocatorWidgetState extends State<GeolocatorWidget> {
     });
   }
 
+  Future<void> _toggleUpdateSpeed() async {
+    fastUpdates = !fastUpdates;
+
+    final LocationSettings settings;
+    if (Platform.isAndroid) {
+      settings = AndroidSettings(
+        accuracy: LocationAccuracy.best,
+        distanceFilter: 0,
+        intervalDuration: Duration(seconds: fastUpdates ? 1 : 10),
+        forceLocationManager: false,
+        useMSLAltitude: true,
+      );
+    } else if (Platform.isIOS) {
+      settings = AppleSettings(
+        accuracy: LocationAccuracy.best,
+        distanceFilter: fastUpdates ? 0 : 50,
+        activityType: ActivityType.fitness,
+        showBackgroundLocationIndicator: false,
+        allowBackgroundLocationUpdates: false,
+      );
+    } else {
+      settings = LocationSettings(
+        accuracy: LocationAccuracy.best,
+        distanceFilter: fastUpdates ? 0 : 50,
+      );
+    }
+
+    await _geolocatorPlatform.updatePositionStream(locationSettings: settings);
+
+    _updatePositionList(
+      _PositionItemType.log,
+      'Position updates ${fastUpdates ? 'sped up' : 'slowed down'}.',
+    );
+  }
+
   @override
   void dispose() {
     if (_positionStreamSubscription != null) {

geolocator/example/pubspec.yaml

@@ -9,7 +9,7 @@ environment:
   sdk: ^3.5.0
 
 dependencies:
-  baseflow_plugin_template: ^2.1.2
+  baseflow_plugin_template: ^2.2.0
 
   flutter:
     sdk: flutter
@@ -24,11 +24,11 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^1.0.1+1
+  cupertino_icons: ^1.0.8
 
   # The following adds the URL Launcher plugin which is used by
   # the demo application to open the links in the web browser.
-  url_launcher: ^6.0.0-nullsafety.1
+  url_launcher: ^6.3.1
 
 dev_dependencies:
   flutter_test:

geolocator/lib/geolocator.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter/foundation.dart';
+
 import 'package:geolocator_android/geolocator_android.dart';
 import 'package:geolocator_apple/geolocator_apple.dart';
 import 'package:geolocator_platform_interface/geolocator_platform_interface.dart';
@@ -192,6 +193,17 @@ class Geolocator {
         locationSettings: locationSettings,
       );
 
+  /// Updates the parameters of the active position stream.
+  ///
+  /// Throws a [NotSubscribedException] when there is no active position stream
+  /// to update.
+  static Future<void> updatePositionStream({
+    required LocationSettings locationSettings,
+  }) =>
+      GeolocatorPlatform.instance.updatePositionStream(
+        locationSettings: locationSettings,
+      );
+
   /// Returns a [Future] containing a [LocationAccuracyStatus]
   /// When the user has given permission for approximate location,
   /// [LocationAccuracyStatus.reduced] will be returned, if the user has