Bugfixing

example/ios/Flutter/AppFrameworkInfo.plist

@@ -20,7 +20,5 @@
   <string>????</string>
   <key>CFBundleVersion</key>
   <string>1.0</string>
-  <key>MinimumOSVersion</key>
-  <string>12.0</string>
 </dict>
 </plist>

example/ios/Runner.xcodeproj/project.pbxproj

@@ -344,7 +344,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -472,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -521,7 +521,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

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

@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <MacroExpansion>
          <BuildableReference
@@ -54,11 +55,13 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
       allowLocationSimulation = "YES">
       <BuildableProductRunnable
          runnableDebuggingMode = "0">

example/ios/Runner/AppDelegate.swift

@@ -1,13 +1,16 @@
-import UIKit
 import Flutter
+import UIKit
 
 @main
-@objc class AppDelegate: FlutterAppDelegate {
+@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
   override func application(
     _ application: UIApplication,
     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
   ) -> Bool {
-    GeneratedPluginRegistrant.register(with: self)
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
+
+  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
+    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
+  }
 }

example/ios/Runner/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>
@@ -24,6 +26,29 @@
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneClassName</key>
+					<string>UIWindowScene</string>
+					<key>UISceneConfigurationName</key>
+					<string>flutter</string>
+					<key>UISceneDelegateClassName</key>
+					<string>FlutterSceneDelegate</string>
+					<key>UISceneStoryboardFile</key>
+					<string>Main</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
@@ -43,9 +68,5 @@
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
-	<key>CADisableMinimumFrameDurationOnPhone</key>
-	<true/>
-	<key>UIApplicationSupportsIndirectInputEvents</key>
-	<true/>
 </dict>
 </plist>

example/lib/variants/currency_input.dart

@@ -11,7 +11,7 @@ class CurrencyInput extends StatefulWidget {
 class _CurrencyInputState extends State<CurrencyInput> {
   final _controller = NumberEditingTextController.currency(
     currencyName: 'JPY',
-    allowNegative: false,
+    allowNegative: true,
   );
 
   @override

lib/src/parsed_number_format.dart

@@ -152,14 +152,29 @@ class ParsedNumberFormat {
     }
 
     num number = 0;
+    var isNegative = false;
 
     for (final part in parts) {
       final partResult = part.format(result, charPosition);
       charPosition += partResult.offset;
       result = partResult.value;
       final resultNumber = partResult.number;
       if (resultNumber != null) {
-        number += resultNumber;
+        if (part is RealPart && resultNumber <= 0) {
+          // Check if the formatted text contains a minus sign
+          final partText = result.text.substring(
+            charPosition - partResult.offset,
+            charPosition,
+          );
+          if (partText.startsWith('-')) {
+            isNegative = true;
+          }
+        }
+        if (isNegative && part is DecimalPart) {
+          number -= resultNumber;
+        } else {
+          number += resultNumber;
+        }
       } else if (part is RealPart) {
         return FormatResult(result, null);
       } else if (part is DecimalPart) {
@@ -177,6 +192,9 @@ class ParsedNumberFormat {
   }
 
   String formatString(num value) {
+    if (value is double && (value.isNaN || value.isInfinite)) {
+      return '';
+    }
     final result = StringBuffer();
 
     for (final part in parts) {

lib/src/parts.dart

@@ -53,7 +53,18 @@ class StaticPart extends NumberFormatPart {
     while (i < content.length && (position + i) <= v.text.length) {
       if ((position + i) == v.text.length ||
           content[i] != v.text[position + i]) {
-        v = v.replaced(TextRange.collapsed(position + i), content[i]);
+        // Check if the expected character exists right after (user inserted
+        // a character before the static content). If so, remove the inserted
+        // character instead of inserting the expected one.
+        if ((position + i + 1) < v.text.length &&
+            content[i] == v.text[position + i + 1]) {
+          v = v.replaced(
+            TextRange(start: position + i, end: position + i + 1),
+            '',
+          );
+        } else {
+          v = v.replaced(TextRange.collapsed(position + i), content[i]);
+        }
       }
       i++;
     }
@@ -103,7 +114,7 @@ class RealPart extends NumberFormatPart {
       final nextChar =
           v.text.length == position + i + 1 ? null : v.text[position + i + 1];
       if (g is WithGrouping && char == g.groupingSymbol) {
-        if (nextChar == null || !nextChar.isDigit) {
+        if (i == 0 || nextChar == null || !nextChar.isDigit) {
           finished = true;
           continue;
         }
@@ -139,11 +150,14 @@ class RealPart extends NumberFormatPart {
       number = numberText == '-' ? 0 : num.parse(numberText);
     }
     if (i != 0 && g is WithGrouping) {
-      final realPartLength = i;
-      for (var j = 0; j < realPartLength; j++) {
+      final hasMinusSign =
+          v.text[position] == '-' && allowNegative;
+      final digitLength = hasMinusSign ? i - 1 : i;
+      final digitStart = hasMinusSign ? 1 : 0;
+      for (var j = 0; j < digitLength; j++) {
         if (j != 0 && j % g.groupSize == 0) {
           v = v.replaced(
-            TextRange.collapsed(position + realPartLength - j),
+            TextRange.collapsed(position + digitStart + digitLength - j),
             g.groupingSymbol,
           );
           i++;