diff --git a/android/build.gradle b/android/build.gradle
index 347112d..0d3fd39 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -2,14 +2,14 @@ group 'de.appgewaltig.disk_space'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.3.72'
+    ext.kotlin_version = '1.7.20'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath 'com.android.tools.build:gradle:7.3.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -25,6 +25,8 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
+    namespace 'de.appgewaltig.disk_space'
+
     compileSdkVersion 30
 
     sourceSets {
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 019065d..8bc9958 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-all.zip
diff --git a/example/.flutter-plugins-dependencies b/example/.flutter-plugins-dependencies
index fb58e75..c81d26f 100644
--- a/example/.flutter-plugins-dependencies
+++ b/example/.flutter-plugins-dependencies
@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"disk_space","path":"/Users/marvinknabe/Entwicklung/flutter/disk_space/","dependencies":[]}],"android":[{"name":"disk_space","path":"/Users/marvinknabe/Entwicklung/flutter/disk_space/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"disk_space","dependencies":[]}],"date_created":"2021-05-27 18:22:29.500956","version":"2.2.0"}
\ No newline at end of file
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"disk_space","path":"/Users/b044560/Developments/disk_space/","native_build":true,"dependencies":[]},{"name":"path_provider_foundation","path":"/Users/b044560/.pub-cache/hosted/pub.dev/path_provider_foundation-2.2.3/","shared_darwin_source":true,"native_build":true,"dependencies":[]}],"android":[{"name":"disk_space","path":"/Users/b044560/Developments/disk_space/","native_build":true,"dependencies":[]},{"name":"path_provider_android","path":"/Users/b044560/.pub-cache/hosted/pub.dev/path_provider_android-2.0.27/","native_build":true,"dependencies":[]}],"macos":[{"name":"path_provider_foundation","path":"/Users/b044560/.pub-cache/hosted/pub.dev/path_provider_foundation-2.2.3/","shared_darwin_source":true,"native_build":true,"dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/b044560/.pub-cache/hosted/pub.dev/path_provider_linux-2.1.11/","native_build":false,"dependencies":[]}],"windows":[{"name":"path_provider_windows","path":"/Users/b044560/.pub-cache/hosted/pub.dev/path_provider_windows-2.1.6/","native_build":false,"dependencies":[]}],"web":[]},"dependencyGraph":[{"name":"disk_space","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_android","path_provider_foundation","path_provider_linux","path_provider_windows"]},{"name":"path_provider_android","dependencies":[]},{"name":"path_provider_foundation","dependencies":[]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_windows","dependencies":[]}],"date_created":"2023-05-23 15:28:02.054128","version":"3.10.1"}
\ No newline at end of file
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 30471db..f590ea0 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -26,7 +26,9 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    namespace 'de.appgewaltig.disk_space_example'
+
+    compileSdkVersion 33
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
diff --git a/example/android/build.gradle b/example/android/build.gradle
index 08fe632..dd00b8e 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.3.72'
+    ext.kotlin_version = '1.7.20'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath 'com.android.tools.build:gradle:7.3.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index 90f271d..89e56bd 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-all.zip
diff --git a/example/ios/Flutter/AppFrameworkInfo.plist b/example/ios/Flutter/AppFrameworkInfo.plist
index 6b4c0f7..4f8d4d2 100644
--- a/example/ios/Flutter/AppFrameworkInfo.plist
+++ b/example/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>8.0</string>
+  <string>11.0</string>
 </dict>
 </plist>
diff --git a/example/ios/Podfile b/example/ios/Podfile
index 1e8c3c9..88359b2 100644
--- a/example/ios/Podfile
+++ b/example/ios/Podfile
@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '9.0'
+# platform :ios, '11.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
diff --git a/example/ios/Podfile.lock b/example/ios/Podfile.lock
index d0fcfa6..922fce9 100644
--- a/example/ios/Podfile.lock
+++ b/example/ios/Podfile.lock
@@ -2,21 +2,28 @@ PODS:
   - disk_space (0.0.1):
     - Flutter
   - Flutter (1.0.0)
+  - path_provider_foundation (0.0.1):
+    - Flutter
+    - FlutterMacOS
 
 DEPENDENCIES:
   - disk_space (from `.symlinks/plugins/disk_space/ios`)
   - Flutter (from `Flutter`)
+  - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
 
 EXTERNAL SOURCES:
   disk_space:
     :path: ".symlinks/plugins/disk_space/ios"
   Flutter:
     :path: Flutter
+  path_provider_foundation:
+    :path: ".symlinks/plugins/path_provider_foundation/darwin"
 
 SPEC CHECKSUMS:
   disk_space: e94d34bbdf77954adfb39e60bde9cc5c7233eda6
-  Flutter: 434fef37c0980e73bb6479ef766c45957d4b510c
+  Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
+  path_provider_foundation: eaf5b3e458fc0e5fbb9940fb09980e853fe058b8
 
-PODFILE CHECKSUM: aafe91acc616949ddb318b77800a7f51bffa2a4c
+PODFILE CHECKSUM: ef19549a9bc3046e7bb7d2fab4d021637c0c58a3
 
-COCOAPODS: 1.10.1
+COCOAPODS: 1.12.1
diff --git a/example/ios/Runner.xcodeproj/project.pbxproj b/example/ios/Runner.xcodeproj/project.pbxproj
index b9f4a94..3e1bee7 100644
--- a/example/ios/Runner.xcodeproj/project.pbxproj
+++ b/example/ios/Runner.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 46;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -164,7 +164,7 @@
 		97C146E61CF9000F007C117D /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1300;
 				ORGANIZATIONNAME = "The Chromium Authors";
 				TargetAttributes = {
 					97C146ED1CF9000F007C117D = {
@@ -210,10 +210,12 @@
 /* Begin PBXShellScriptBuildPhase section */
 		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
 			inputPaths = (
+				"${TARGET_BUILD_DIR}/${INFOPLIST_PATH}",
 			);
 			name = "Thin Binary";
 			outputPaths = (
@@ -230,10 +232,12 @@
 			inputPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/disk_space/disk_space.framework",
+				"${BUILT_PRODUCTS_DIR}/path_provider_foundation/path_provider_foundation.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/disk_space.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/path_provider_foundation.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
@@ -264,6 +268,7 @@
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -351,7 +356,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -373,7 +378,10 @@
 					"$(PROJECT_DIR)/Flutter",
 				);
 				INFOPLIST_FILE = Runner/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
 				LIBRARY_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
@@ -434,7 +442,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -483,7 +491,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -506,7 +514,10 @@
 					"$(PROJECT_DIR)/Flutter",
 				);
 				INFOPLIST_FILE = Runner/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
 				LIBRARY_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
@@ -535,7 +546,10 @@
 					"$(PROJECT_DIR)/Flutter",
 				);
 				INFOPLIST_FILE = Runner/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
 				LIBRARY_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
diff --git a/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
index a28140c..3db53b6 100644
--- a/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/example/ios/Runner/Info.plist b/example/ios/Runner/Info.plist
index 7137803..eb22d2a 100644
--- a/example/ios/Runner/Info.plist
+++ b/example/ios/Runner/Info.plist
@@ -41,5 +41,9 @@
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
 </dict>
 </plist>
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 91aef1f..c8b8865 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -1,10 +1,8 @@
-import 'dart:io';
-
-import 'package:flutter/material.dart';
 import 'dart:async';
+import 'dart:io';
 
-import 'package:flutter/services.dart';
 import 'package:disk_space/disk_space.dart';
+import 'package:flutter/material.dart';
 import 'package:path_provider/path_provider.dart';
 
 void main() => runApp(MyApp());
@@ -27,7 +25,7 @@ class _MyAppState extends State<MyApp> {
   Future<void> initDiskSpace() async {
     double diskSpace = 0;
 
-    diskSpace = await DiskSpace.getFreeDiskSpace;
+    diskSpace = await DiskSpace.getFreeDiskSpace ?? 0;
 
     List<Directory> directories;
     Map<Directory, double> directorySpace = {};
@@ -41,11 +39,11 @@ class _MyAppState extends State<MyApp> {
         (list) async => list ?? [await getApplicationDocumentsDirectory()],
       );
     } else {
-      return [];
+      return;
     }
 
     for (var directory in directories) {
-      var space = await DiskSpace.getFreeDiskSpaceForPath(directory.path);
+      var space = await DiskSpace.getFreeDiskSpaceForPath(directory.path) ?? 0;
       directorySpace.addEntries([MapEntry(directory, space)]);
     }
 
diff --git a/example/pubspec.lock b/example/pubspec.lock
index fbccf54..119974c 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -5,65 +5,81 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.6.1"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.17.1"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.dartlang.org"
+      sha256: e35129dc44c9118cee2a5603506d823bab99c68393879edb440e0090d07586be
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.2"
+    version: "1.0.5"
   disk_space:
     dependency: "direct dev"
     description:
       path: ".."
       relative: true
     source: path
-    version: "0.1.1"
+    version: "0.2.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: ed5337a5660c506388a9f012be0288fb38b49020ce2b45fe1f8b8323fe429f99
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.4"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -74,27 +90,118 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.7"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.15"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.10"
+    version: "0.2.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.9.1"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.8.3"
+  path_provider:
+    dependency: "direct dev"
+    description:
+      name: path_provider
+      sha256: "3087813781ab814e4157b172f1a11c46be20179fcc9bea043e0fba36bc0acaa2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.15"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "2cec049d282c7f13c594b4a73976b0b4f2d7a1838a6dd5aaf7bd9719196bee86"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.27"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "1995d88ec2948dac43edf8fe58eb434d35d22a2940ecee1a9fefcd62beee6eb3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "2.2.3"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: ffbb8cc9ed2c9ec0e4b7a541e56fd79b138e8f47d2fb86815f15358a349b3b57
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.11"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "57585299a729335f1298b43245842678cb9f43a6310351b18fb577d6e33165ec"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.6"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: d3f80b32e83ec208ac95253e0cd4d298e104fbc63cb29c5c69edaed43b0c69d6
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.6"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "4a451831508d7d6ca779f7ac6e212b4023dd5a7d08a27a63da33756410e32b76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "6a2128648c854906c53fa8e33986fc0247a1116122f9534dd20e3ab9e16a32bc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      sha256: "53fd8db9cec1d37b0574e12f07520d582019cb6c44abf5479a01505099a34a09"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -104,58 +211,74 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.1"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.1"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.3.0"
-  typed_data:
+    version: "2.1.4"
+  win32:
     dependency: transitive
     description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
+      name: win32
+      sha256: "5a751eddf9db89b3e5f9d50c20ab8612296e4e8db69009788d6c8b060a84191c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
-  vector_math:
+    version: "4.1.4"
+  xdg_directories:
     dependency: transitive
     description:
-      name: vector_math
-      url: "https://pub.dartlang.org"
+      name: xdg_directories
+      sha256: ee1505df1426458f7f60aac270645098d318a8b4766d85fde75f76f2e21807d1
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "1.0.0"
 sdks:
   dart: ">=2.12.0 <3.0.0"
   flutter: ">=1.22.0"
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 44c7b60..dbf35ed 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -3,7 +3,7 @@ description: Demonstrates how to use the disk_space plugin.
 publish_to: 'none'
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"
 
 dependencies:
   flutter:
@@ -11,7 +11,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^0.1.2
+  cupertino_icons: ^1.0.5
 
 dev_dependencies:
   flutter_test:
@@ -19,7 +19,7 @@ dev_dependencies:
 
   disk_space:
     path: ../
-  path_provider: ^2.0.2
+  path_provider: ^2.0.15
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
diff --git a/example/test/widget_test.dart b/example/test/widget_test.dart
index fb08b8c..707fee2 100644
--- a/example/test/widget_test.dart
+++ b/example/test/widget_test.dart
@@ -5,11 +5,10 @@
 // gestures. You can also use WidgetTester to find child widgets in the widget
 // tree, read text, and verify that the values of widget properties are correct.
 
+import 'package:disk_space_example/main.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
-import 'package:disk_space_example/main.dart';
-
 void main() {
   testWidgets('Verify Platform version', (WidgetTester tester) async {
     // Build our app and trigger a frame.
@@ -18,8 +17,8 @@ void main() {
     // Verify that platform version is retrieved.
     expect(
       find.byWidgetPredicate(
-        (Widget widget) => widget is Text &&
-                           widget.data.startsWith('Running on:'),
+        (Widget widget) =>
+            widget is Text && widget.data?.startsWith('Running on:') == true,
       ),
       findsOneWidget,
     );
diff --git a/pubspec.lock b/pubspec.lock
index 1116a97..a54ec92 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,51 +5,50 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.6.1"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.17.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -60,27 +59,46 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.7"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.15"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.9.1"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -90,58 +108,58 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.1"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
+      url: "https://pub.dev"
     source: hosted
-    version: "0.3.0"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.5.1"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.4"
 sdks:
   dart: ">=2.12.0 <3.0.0"
   flutter: ">=1.22.0"
diff --git a/test/disk_space_test.dart b/test/disk_space_test.dart
index 930a857..6774df6 100644
--- a/test/disk_space_test.dart
+++ b/test/disk_space_test.dart
@@ -1,18 +1,22 @@
+import 'package:disk_space/disk_space.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:disk_space/disk_space.dart';
 
 void main() {
-  const MethodChannel channel = MethodChannel('disk_space');
+  const channel = MethodChannel('disk_space');
+
+  TestWidgetsFlutterBinding.ensureInitialized();
 
   setUp(() {
-    channel.setMockMethodCallHandler((MethodCall methodCall) async {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(channel, (methodCall) async {
       return '42';
     });
   });
 
   tearDown(() {
-    channel.setMockMethodCallHandler(null);
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(channel, null);
   });
 
   test('getPlatformVersion', () async {