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60 lines
1.9 KiB
Objective-C
60 lines
1.9 KiB
Objective-C
//
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// Copyright (c) 2016 Google Inc.
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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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//
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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/*! @typedef AlertPromptCompletionBlock
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@brief The type of callback used to report text input prompt results.
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*/
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typedef void (^AlertPromptCompletionBlock)(BOOL userPressedOK, NSString *_Nullable userInput);
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/*! @class Alerts
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@brief Wrapper for @c UIAlertController and @c UIAlertView for backwards compatability with
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iOS 6+.
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*/
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@interface UIViewController (Alerts)
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/*! @fn showMessagePrompt:
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@brief Displays an alert with an 'OK' button and a message.
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@param message The message to display.
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*/
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- (void)showMessagePrompt:(NSString *)message;
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/*! @fn showTextInputPromptWithMessage:completionBlock:
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@brief Shows a prompt with a text field and 'OK'/'Cancel' buttons.
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@param message The message to display.
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@param completion A block to call when the user taps 'OK' or 'Cancel'.
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*/
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- (void)showTextInputPromptWithMessage:(NSString *)message
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completionBlock:(AlertPromptCompletionBlock)completion;
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/*! @fn showSpinner
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@brief Shows the please wait spinner.
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@param completion Called after the spinner has been hidden.
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*/
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- (void)showSpinner:(nullable void(^)(void))completion;
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/*! @fn hideSpinner
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@brief Hides the please wait spinner.
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@param completion Called after the spinner has been hidden.
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*/
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- (void)hideSpinner:(nullable void(^)(void))completion;
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@end
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NS_ASSUME_NONNULL_END |