Internal change.

PiperOrigin-RevId: 309284703

components/TextFields/src/MDCMultilineTextField.m

@@ -31,6 +31,8 @@
 static NSString *const kClearButtonKey = @"MaterialTextFieldClearButtonAccessibilityLabel";
 /** Table name within the bundle used for localizing accessibility values. */
 static NSString *const kAccessibilityLocalizationStringsTableName = @"MaterialTextField";
+// The Bundle for string resources.
+static NSString *const kBundle = @"MaterialTextFields.bundle";
 
 @interface MDCMultilineTextField () {
   UIColor *_cursorColor;
@@ -129,7 +131,7 @@ - (void)commonMDCMultilineTextFieldInitialization {
   // TODO: (#4331) This needs to be converted to the new text scheme.
   self.font = [UIFont mdc_standardFontForMaterialTextStyle:MDCFontTextStyleBody1];
   self.clearButton.tintColor = [UIColor colorWithWhite:0 alpha:[MDCTypography captionFontOpacity]];
-  NSBundle *bundle = [NSBundle bundleForClass:[MDCMultilineTextField class]];
+  NSBundle *bundle = [[self class] bundle];
   NSString *accessibilityLabel =
       [bundle localizedStringForKey:kClearButtonKey
                               value:@"Clear text"
@@ -830,4 +832,22 @@ - (void)mdc_setAdjustsFontForContentSizeCategory:(BOOL)adjusts {
   [_fundament mdc_setAdjustsFontForContentSizeCategory:adjusts];
 }
 
+#pragma mark - Resource Bundle
+
++ (NSBundle *)bundle {
+  static NSBundle *bundle = nil;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    bundle = [NSBundle bundleWithPath:[self bundlePathWithName:kBundle]];
+  });
+
+  return bundle;
+}
+
++ (NSString *)bundlePathWithName:(NSString *)bundleName {
+  NSBundle *bundle = [NSBundle bundleForClass:[MDCMultilineTextField class]];
+  NSString *resourcePath = [(nil == bundle ? [NSBundle mainBundle] : bundle) resourcePath];
+  return [resourcePath stringByAppendingPathComponent:bundleName];
+}
+
 @end

components/TextFields/tests/localization/MultilineTextFieldLocalizationTests.m

@@ -0,0 +1,38 @@
+// Copyright 2020-present the Material Components for iOS authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#import <XCTest/XCTest.h>
+#import "MaterialTextFields.h"
+
+@interface MultilineTextFieldLocalizationTests : XCTestCase
+
+@end
+
+@implementation MultilineTextFieldLocalizationTests
+
+- (void)testAccessibilityLabelIsTranslated {
+  // Given
+  MDCMultilineTextField *field = [[MDCMultilineTextField alloc] init];
+  NSString *languageCode =
+      [NSLocale.preferredLanguages.firstObject componentsSeparatedByString:@"-"].firstObject;
+
+  // Then
+  if ([languageCode isEqualToString:@"ar"]) {
+    XCTAssertEqualObjects(field.clearButton.accessibilityLabel, @"محو النص");
+  } else {
+    XCTFail(@"Language %@ isn't supported by this localization test case", languageCode);
+  }
+}
+
+@end