[WIP] Added autofill functionality

shell/platform/android/io/flutter/embedding/engine/systemchannels/TextInputChannel.java

@@ -286,7 +286,8 @@ public static Configuration fromJson(@NonNull JSONObject json) throws JSONExcept
           TextCapitalization.fromValue(json.getString("textCapitalization")),
           InputType.fromJson(json.getJSONObject("inputType")),
           inputAction,
-          json.isNull("actionLabel") ? null : json.getString("actionLabel")
+          json.isNull("actionLabel") ? null : json.getString("actionLabel"),
+          json.isNull("textContentType") ? null : TextContentType.fromValue(json.getString("textContentType"))
       );
     }
 
@@ -328,6 +329,8 @@ private static Integer inputActionFromTextInputAction(@NonNull String inputActio
     public final Integer inputAction;
     @Nullable
     public final String actionLabel;
+    @Nullable
+    public final TextContentType textContentType;
 
     public Configuration(
         boolean obscureText,
@@ -336,7 +339,8 @@ public Configuration(
         @NonNull TextCapitalization textCapitalization,
         @NonNull InputType inputType,
         @Nullable Integer inputAction,
-        @Nullable String actionLabel
+        @Nullable String actionLabel,
+        @Nullable TextContentType textContentType
     ) {
       this.obscureText = obscureText;
       this.autocorrect = autocorrect;
@@ -345,6 +349,7 @@ public Configuration(
       this.inputType = inputType;
       this.inputAction = inputAction;
       this.actionLabel = actionLabel;
+      this.textContentType = textContentType;
     }
   }
 
@@ -406,6 +411,95 @@ static TextInputType fromValue(@NonNull String encodedName) throws NoSuchFieldEx
     }
   }
 
+  /**
+   * Types of text content for auto-full functionality
+   */
+  public enum TextContentType {
+    NAME("TextContentType.name"),
+    NAME_PREFIX("TextContentType.namePrefix"),
+    GIVEN_NAME("TextContentType.givenName"),
+    MIDDLE_NAME("TextContentType.middleName"),
+    FAMILY_NAME("TextContentType.familyName"),
+    NAME_SUFFIX("TextContentType.nameSuffix"),
+    FULL_STREET_ADDRESS("TextContentType.fullStreetAddress"),
+    ADDRESS_LINE_1("TextContentType.addressLine1"),
+    ADDRESS_LINE_2("TextContentType.addressLine2"),
+    ADDRESS_CITY("TextContentType.addressCity"),
+    ADDRESS_STATE("TextContentType.addressState"),
+    COUNTRY_NAME("TextContentType.countryName"),
+    POSTAL_CODE("TextContentType.postalCode"),
+    TELEPHONE_NUMBER("TextContentType.telephoneNumber"),
+    EMAIL_ADDRESS("TextContentType.emailAddress"),
+    CREDIT_CARD_NUMBER("TextContentType.creditCardNumber"),
+    USERNAME("TextContentType.username"),
+    PASSWORD("TextContentType.password"),
+    NEW_PASSWORD("TextContentType.newPassword"),
+    ONE_TIME_CODE("TextContentType.oneTimeCode");
+
+    static TextContentType fromValue(@NonNull String encodedName) throws NoSuchFieldException {
+      for (TextContentType textContentType : TextContentType.values()) {
+        if (textContentType.encodedName.equals(encodedName)) {
+          return textContentType;
+        }
+      }
+      throw new NoSuchFieldException("No such TextContentType: " + encodedName);
+    }
+
+    @NonNull
+    private final String encodedName;
+
+    TextContentType(@NonNull String encodedName) {
+      this.encodedName = encodedName;
+    }
+
+    public String hintConstantValue() {
+      switch (this) {
+        case NAME:
+        return "personName";
+        case NAME_PREFIX:
+        return "personNamePrefix";
+        case GIVEN_NAME:
+        return "personGivenName";
+        case MIDDLE_NAME:
+        return "personMiddleName";
+        case FAMILY_NAME:
+        return "personFamilyName";
+        case NAME_SUFFIX:
+        return "personNameSuffix";
+        case FULL_STREET_ADDRESS:
+        return "postalAddress";
+        case ADDRESS_LINE_1:
+        return "streetAddress";
+        case ADDRESS_LINE_2:
+        return "extendedAddress";
+        case ADDRESS_CITY:
+        return "addressLocality";
+        case ADDRESS_STATE:
+        return "addressRegion";
+        case COUNTRY_NAME:
+        return "addressCountry";
+        case POSTAL_CODE:
+        return "postalCode";
+        case TELEPHONE_NUMBER:
+        return "phoneNumber";
+        case EMAIL_ADDRESS:
+        return "emailAddress";
+        case CREDIT_CARD_NUMBER:
+        return "creditCardNumber";
+        case USERNAME:
+        return "username";
+        case PASSWORD:
+        return "password";
+        case NEW_PASSWORD:
+        return "newPassword";
+        case ONE_TIME_CODE:
+        return "smsOTPCode";
+      }
+
+      return null;
+    }
+  }
+
   /**
    * Text capitalization schemes.
    */

shell/platform/android/io/flutter/plugin/editing/TextInputPlugin.java

@@ -230,6 +230,12 @@ public InputConnection createInputConnection(View view, EditorInfo outAttrs) {
             outAttrs.actionId = enterAction;
         }
         outAttrs.imeOptions |= enterAction;
+
+        String autofillHintValue = configuration.textContentType.hintConstantValue();
+        if (autofillHintValue != null) {
+          String[] autofillHints = {autofillHintValue};
+          view.setAutofillHints(autofillHints);
+        }
 
         InputConnectionAdaptor connection = new InputConnectionAdaptor(
             view,

shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm

@@ -52,20 +52,14 @@ static UITextContentType ToUITextContentType(NSDictionary* type) API_AVAILABLE(i
       return UITextContentTypeName;
     if ([contentType isEqualToString:@"TextContentType.namePrefix"])
       return UITextContentTypeNamePrefix;
+    if ([contentType isEqualToString:@"TextContentType.givenName"])
+      return UITextContentTypeGivenName;
     if ([contentType isEqualToString:@"TextContentType.middleName"])
       return UITextContentTypeMiddleName;
     if ([contentType isEqualToString:@"TextContentType.familyName"])
       return UITextContentTypeFamilyName;
     if ([contentType isEqualToString:@"TextContentType.nameSuffix"])
       return UITextContentTypeNameSuffix;
-    if ([contentType isEqualToString:@"TextContentType.nickname"])
-      return UITextContentTypeNickname;
-    if ([contentType isEqualToString:@"TextContentType.jobTitle"])
-      return UITextContentTypeJobTitle;
-    if ([contentType isEqualToString:@"TextContentType.organizationName"])
-      return UITextContentTypeOrganizationName;
-    if ([contentType isEqualToString:@"TextContentType.location"])
-      return UITextContentTypeLocation;
     if ([contentType isEqualToString:@"TextContentType.fullStreetAddress"])
       return UITextContentTypeFullStreetAddress;
     if ([contentType isEqualToString:@"TextContentType.addressLine1"])
@@ -76,10 +70,6 @@ static UITextContentType ToUITextContentType(NSDictionary* type) API_AVAILABLE(i
       return UITextContentTypeAddressCity;
     if ([contentType isEqualToString:@"TextContentType.addressState"])
       return UITextContentTypeAddressState;
-    if ([contentType isEqualToString:@"TextContentType.addressCityAndState"])
-      return UITextContentTypeAddressCityAndState;
-    if ([contentType isEqualToString:@"TextContentType.sublocality"])
-      return UITextContentTypeSublocality;
     if ([contentType isEqualToString:@"TextContentType.countryName"])
       return UITextContentTypeCountryName;
     if ([contentType isEqualToString:@"TextContentType.postalCode"])