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This is an attempt at taking the existing text controls example and making it A) abstract, so that similar example can be made for text areas and chip fields, and B) fit in a scrollview, so all of the example is accessible in large content size categories. It's fully functional, but probably not done changing. Closes #9359. Here's a gif: 
45 lines
2.1 KiB
Objective-C
45 lines
2.1 KiB
Objective-C
// Copyright 2019-present the Material Components for iOS authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <UIKit/UIKit.h>
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/**
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This protocol allows child view controllers to tell parent view controllers that conform to this
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protocol that they would like their content size categories changed. The methods accept buttons so
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that the parent can disable the appropriate button when either the smallest or largest content size
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category is adopted.
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*/
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@protocol MDCTraitEnvironmentChangeDelegate
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- (void)
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childViewControllerDidRequestPreferredContentSizeCategoryDecrement:
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(UIViewController *)childViewController
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decreaseButton:(UIButton *)decreaseButton
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increaseButton:(UIButton *)increaseButton;
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- (void)
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childViewControllerDidRequestPreferredContentSizeCategoryIncrement:
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(UIViewController *)childViewController
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decreaseButton:(UIButton *)decreaseButton
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increaseButton:(UIButton *)increaseButton;
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- (void)childViewControllerDidRequestUserInterfaceStyle:(UIViewController *)childViewController
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userInterfaceStyle:(UIUserInterfaceStyle)userInterfaceStyle
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API_AVAILABLE(ios(12.0));
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- (void)childViewControllerDidRequestLayoutDirection:(UIViewController *)childViewController
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layoutDirection:
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(UITraitEnvironmentLayoutDirection)layoutDirection
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API_AVAILABLE(ios(10.0));
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@end
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