diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 118ee1d9..e574d1e8 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -24,16 +24,18 @@ if (flutterVersionName == null) {
 
 android {
     namespace "com.example.example"
-    compileSdkVersion flutter.compileSdkVersion
+    compileSdk flutter.compileSdkVersion
     ndkVersion flutter.ndkVersion
 
+    def javaVersion = JavaVersion.VERSION_17
+
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility javaVersion
+        targetCompatibility javaVersion
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = javaVersion.toString()
     }
 
     sourceSets {
@@ -41,11 +43,8 @@ android {
     }
 
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.example.example"
-        // You can update the following values to match your application needs.
-        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 24
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
@@ -53,8 +52,6 @@ android {
 
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
             signingConfig signingConfigs.debug
         }
     }
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
index 7285ab78..1d6e0b64 100644
--- a/example/android/app/src/main/AndroidManifest.xml
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -1,35 +1,45 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
-    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.CAMERA" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="32" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
-    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
-    <uses-feature android:name="android.hardware.location.gps" />
 
-    <uses-feature android:name="android.hardware.camera" android:required="false" />
+    <!--  The camera and gps features will be used  -->
+    <!--   But it's not required to install the app -->
+    <uses-feature
+        android:name="android.hardware.location.gps"
+        android:required="false" />
+
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+
     <application
-        android:label="example"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
+        android:label="example">
         <activity
             android:name=".MainActivity"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:exported="true"
+            android:hardwareAccelerated="true"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
-            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
-            android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
             <!-- Specifies an Android theme to apply to this Activity as soon as
                  the Android process has started. This theme is visible to the user
                  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" />
             <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.
diff --git a/example/android/app/src/main/kotlin/com/example/example/MainActivity.kt b/example/android/app/src/main/kotlin/com/example/example/MainActivity.kt
index e793a000..70f8f08f 100644
--- a/example/android/app/src/main/kotlin/com/example/example/MainActivity.kt
+++ b/example/android/app/src/main/kotlin/com/example/example/MainActivity.kt
@@ -2,5 +2,4 @@ package com.example.example
 
 import io.flutter.embedding.android.FlutterActivity
 
-class MainActivity: FlutterActivity() {
-}
+class MainActivity: FlutterActivity()
diff --git a/example/android/build.gradle b/example/android/build.gradle
index f7eb7f63..10bc7da8 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,12 +1,14 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.9.20'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -21,6 +23,47 @@ allprojects {
 rootProject.buildDir = '../build'
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
+
+    // For mode details visit https://gist.github.com/freshtechtips/93fefb39e48c40592bda3931e05fd35c
+    afterEvaluate {
+        // check if android block is available
+
+        if (it.hasProperty('android')) {
+
+            if (it.android.namespace == null) {
+                def manifest = new XmlSlurper().parse(file(it.android.sourceSets.main.manifest.srcFile))
+                def packageName = manifest.@package.text()
+                println("Setting ${packageName} as android namespace in build.gradle from the AndroidManifest.xml")
+                android.namespace = packageName
+            }
+
+            def javaVersion = JavaVersion.VERSION_17
+            println("Changes will be applied for the following packages:")
+            android {
+                def androidApiVersion = 34
+//                compileSdkVersion androidApiVersion
+                compileSdk androidApiVersion
+                defaultConfig {
+                    targetSdkVersion androidApiVersion
+                }
+                compileOptions {
+                    sourceCompatibility javaVersion
+                    targetCompatibility javaVersion
+                }
+                tasks.withType(KotlinCompile).configureEach {
+                    buildscript {
+                        ext.kotlin_version = kotlin_version
+                    }
+                    kotlinOptions {
+                        jvmTarget = javaVersion.toString()
+                    }
+                }
+                String message = "For package ${android.namespace} by update compileSdkVersion, targetSdkVersion \n to $androidApiVersion and java version to ${javaVersion.toString()}"
+                println(message)
+            }
+        }
+
+    }
 }
 subprojects {
     project.evaluationDependsOn(':app')
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
index 94adc3a3..b9a9a246 100644
--- a/example/android/gradle.properties
+++ b/example/android/gradle.properties
@@ -1,3 +1,6 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
+android.defaults.buildfeatures.buildconfig=true
+android.nonTransitiveRClass=false
+android.nonFinalResIds=false
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index 3c472b99..8bc9958a 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/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-7.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-all.zip
diff --git a/example/assets/sample_data.json b/example/assets/sample_data.json
index 2d376d7f..cbd00faf 100644
--- a/example/assets/sample_data.json
+++ b/example/assets/sample_data.json
@@ -45,53 +45,6 @@
     },
     "insert": "\n"
   },
-  {
-    "insert": "This "
-  },
-  {
-    "attributes": {
-      "italic": true,
-      "background": "transparent"
-    },
-    "insert": "library"
-  },
-  {
-    "insert": " supports "
-  },
-  {
-    "attributes": {
-      "bold": true,
-      "background": "#ebd6ff"
-    },
-    "insert": "mobile"
-  },
-  {
-    "insert": " platform "
-  },
-  {
-    "attributes": {
-      "underline": true,
-      "bold": true,
-      "color": "#e60000"
-    },
-    "insert": "only"
-  },
-  {
-    "attributes": {
-      "color": "rgba(0, 0, 0, 0.847)"
-    },
-    "insert": " and "
-  },
-  {
-    "attributes": {
-      "strike": true,
-      "color": "black"
-    },
-    "insert": "web"
-  },
-  {
-    "insert": " is not supported.\nYou are welcome to use "
-  },
   {
     "attributes": {
       "link": "https://bulletjournal.us/home/index.html"
diff --git a/example/lib/pages/home_page.dart b/example/lib/pages/home_page.dart
index 4781865c..9a84d9ab 100644
--- a/example/lib/pages/home_page.dart
+++ b/example/lib/pages/home_page.dart
@@ -149,6 +149,7 @@ class _HomePageState extends State<HomePage> {
                     tooltip: 'Open document by json delta',
                     onPressed: () async {
                       final scaffoldMessenger = ScaffoldMessenger.of(context);
+                      final navigator = Navigator.of(context);
                       try {
                         final result = await FilePicker.platform.pickFiles(
                           dialogTitle: 'Pick json delta',
@@ -175,6 +176,8 @@ class _HomePageState extends State<HomePage> {
                             ),
                           ),
                         );
+                      } finally {
+                        navigator.pop();
                       }
                     },
                     icon: const Icon(Icons.file_copy),
@@ -184,6 +187,7 @@ class _HomePageState extends State<HomePage> {
                   title: const Text('Load sample data'),
                   onTap: () async {
                     final scaffoldMessenger = ScaffoldMessenger.of(context);
+                    final navigator = Navigator.of(context);
                     try {
                       final jsonString = await rootBundle.loadString(
                         'assets/sample_data.json',
@@ -200,6 +204,8 @@ class _HomePageState extends State<HomePage> {
                           'Error while loading json delta file: ${e.toString()}',
                         ),
                       ));
+                    } finally {
+                      navigator.pop();
                     }
                   },
                 ),
@@ -207,6 +213,7 @@ class _HomePageState extends State<HomePage> {
                   title: const Text('Load sample data with no media'),
                   onTap: () async {
                     final scaffoldMessenger = ScaffoldMessenger.of(context);
+                    final navigator = Navigator.of(context);
                     try {
                       final jsonString = await rootBundle.loadString(
                         'assets/sample_data_nomedia.json',
@@ -223,6 +230,8 @@ class _HomePageState extends State<HomePage> {
                           'Error while loading json delta file: ${e.toString()}',
                         ),
                       ));
+                    } finally {
+                      navigator.pop();
                     }
                   },
                 ),
@@ -230,6 +239,7 @@ class _HomePageState extends State<HomePage> {
                   title: const Text('Load testing sample data '),
                   onTap: () async {
                     final scaffoldMessenger = ScaffoldMessenger.of(context);
+                    final navigator = Navigator.of(context);
                     try {
                       final jsonString = await rootBundle.loadString(
                         'assets/sample_data_testing.json',
@@ -246,6 +256,8 @@ class _HomePageState extends State<HomePage> {
                           'Error while loading json delta file: ${e.toString()}',
                         ),
                       ));
+                    } finally {
+                      navigator.pop();
                     }
                   },
                 ),
diff --git a/flutter_quill_test/pubspec.yaml b/flutter_quill_test/pubspec.yaml
index e076d8df..3441b048 100644
--- a/flutter_quill_test/pubspec.yaml
+++ b/flutter_quill_test/pubspec.yaml
@@ -26,7 +26,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_quill: ^8.2.3
+  flutter_quill: ^8.2.4
   flutter_test:
     sdk: flutter
 
diff --git a/lib/src/models/documents/document.dart b/lib/src/models/documents/document.dart
index 9b8c21fd..4649765f 100644
--- a/lib/src/models/documents/document.dart
+++ b/lib/src/models/documents/document.dart
@@ -313,11 +313,11 @@ class Document {
     try {
       _delta = _delta.compose(delta);
     } catch (e) {
-      throw '_delta compose failed';
+      throw StateError('_delta compose failed');
     }
 
     if (_delta != _root.toDelta()) {
-      throw 'Compose failed';
+      throw StateError('Compose failed');
     }
     final change = DocChange(originalDelta, delta, changeSource);
     _observer.add(change);
diff --git a/lib/src/utils/color.dart b/lib/src/utils/color.dart
index 3dc5d07a..2a746e80 100644
--- a/lib/src/utils/color.dart
+++ b/lib/src/utils/color.dart
@@ -118,7 +118,7 @@ Color stringToColor(String? s, [Color? originalColor]) {
   }
 
   if (!s.startsWith('#')) {
-    throw 'Color code not supported';
+    throw UnsupportedError('Color code not supported');
   }
 
   var hex = s.replaceFirst('#', '');
diff --git a/lib/src/utils/delta.dart b/lib/src/utils/delta.dart
index 7ef44a2d..5c244e01 100644
--- a/lib/src/utils/delta.dart
+++ b/lib/src/utils/delta.dart
@@ -64,8 +64,10 @@ int getPositionDelta(Delta user, Delta actual) {
     final userOperation = userItr.next(length);
     final actualOperation = actualItr.next(length);
     if (userOperation.length != actualOperation.length) {
-      throw 'userOp ${userOperation.length} does not match actualOp '
-          '${actualOperation.length}';
+      throw ArgumentError(
+        'userOp ${userOperation.length} does not match actualOp '
+        '${actualOperation.length}',
+      );
     }
     if (userOperation.key == actualOperation.key) {
       continue;
diff --git a/lib/src/utils/embeds.dart b/lib/src/utils/embeds.dart
index 9ab16b65..7164f1d5 100644
--- a/lib/src/utils/embeds.dart
+++ b/lib/src/utils/embeds.dart
@@ -15,5 +15,5 @@ OffsetValue<Embed> getEmbedNode(QuillController controller, int offset) {
     return OffsetValue(offset, embedNode);
   }
 
-  return throw 'Embed node not found by offset $offset';
+  return throw ArgumentError('Embed node not found by offset $offset');
 }
diff --git a/lib/src/utils/extensions/build_context.dart b/lib/src/utils/extensions/build_context.dart
index 636b3e1c..74d34292 100644
--- a/lib/src/utils/extensions/build_context.dart
+++ b/lib/src/utils/extensions/build_context.dart
@@ -2,8 +2,7 @@ import 'package:flutter/widgets.dart' show BuildContext;
 
 import '../../../flutter_quill.dart';
 
-// TODO: The documentation of this file needs to
-//be updated as it's quite oudated.
+// TODO: The comments of this file might needs to be updated.
 
 /// Public shared extension
 extension BuildContextExt on BuildContext {
diff --git a/lib/src/utils/font.dart b/lib/src/utils/font.dart
index 1e996e10..5d1aa018 100644
--- a/lib/src/utils/font.dart
+++ b/lib/src/utils/font.dart
@@ -15,7 +15,7 @@ dynamic getFontSize(dynamic sizeValue) {
   assert(sizeValue is String);
   final fontSize = double.tryParse(sizeValue);
   if (fontSize == null) {
-    throw 'Invalid size $sizeValue';
+    throw ArgumentError('Invalid size $sizeValue');
   }
   return fontSize;
 }
diff --git a/lib/src/widgets/raw_editor/raw_editor.dart b/lib/src/widgets/raw_editor/raw_editor.dart
index 78419349..f289ca54 100644
--- a/lib/src/widgets/raw_editor/raw_editor.dart
+++ b/lib/src/widgets/raw_editor/raw_editor.dart
@@ -1030,7 +1030,9 @@ class QuillRawEditorState extends EditorState
   }
 
   VerticalSpacing _getVerticalSpacingForLine(
-      Line line, DefaultStyles? defaultStyles) {
+    Line line,
+    DefaultStyles? defaultStyles,
+  ) {
     final attrs = line.style.attributes;
     if (attrs.containsKey(Attribute.header.key)) {
       int level;
@@ -1047,7 +1049,7 @@ class QuillRawEditorState extends EditorState
         case 3:
           return defaultStyles!.h3!.verticalSpacing;
         default:
-          throw 'Invalid level $level';
+          throw ArgumentError('Invalid level $level');
       }
     }
 
diff --git a/lib/src/widgets/text_block.dart b/lib/src/widgets/text_block.dart
index 71494df0..71275b95 100644
--- a/lib/src/widgets/text_block.dart
+++ b/lib/src/widgets/text_block.dart
@@ -313,7 +313,7 @@ class EditableTextBlock extends StatelessWidget {
           bottom = defaultStyles.h3!.verticalSpacing.bottom;
           break;
         default:
-          throw 'Invalid level $level';
+          throw ArgumentError('Invalid level $level');
       }
     } else {
       final VerticalSpacing lineSpacing;
diff --git a/lib/src/widgets/text_selection.dart b/lib/src/widgets/text_selection.dart
index 7d88d316..c51d414d 100644
--- a/lib/src/widgets/text_selection.dart
+++ b/lib/src/widgets/text_selection.dart
@@ -274,7 +274,9 @@ class EditorTextSelectionOverlay {
   }
 
   void _handleSelectionHandleChanged(
-      TextSelection? newSelection, _TextSelectionHandlePosition position) {
+    TextSelection? newSelection,
+    _TextSelectionHandlePosition position,
+  ) {
     TextPosition textPosition;
     switch (position) {
       case _TextSelectionHandlePosition.start:
@@ -288,7 +290,7 @@ class EditorTextSelectionOverlay {
             : const TextPosition(offset: 0);
         break;
       default:
-        throw 'Invalid position';
+        throw ArgumentError('Invalid position');
     }
 
     final currSelection = newSelection != null
@@ -393,7 +395,7 @@ class _TextSelectionHandleOverlay extends StatefulWidget {
       case _TextSelectionHandlePosition.end:
         return renderObject.selectionEndInViewport;
       default:
-        throw 'Invalid position';
+        throw ArgumentError('Invalid position');
     }
   }
 }
@@ -481,7 +483,7 @@ class _TextSelectionHandleOverlayState
         );
         break;
       default:
-        throw 'Invalid widget.position';
+        throw ArgumentError('Invalid widget.position');
     }
 
     if (newSelection.baseOffset >= newSelection.extentOffset) {