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samples/emoji-search/ios-uikit/EmojiSearchApp/ExceptionView.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| /* | ||
| * Copyright (C) 2023 Square, Inc. | ||
| * | ||
| * 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 Foundation | ||
| import UIKit | ||
| import EmojiSearchKt | ||
|
|
||
| /// Renders an emoji, plus the first line of the exception message, centered and wrapped. The view | ||
| /// has a light-yellow background. | ||
| /// | ||
| /// ``` | ||
| /// 🦨 | ||
| /// app.cash.zipline.ZiplineException | ||
| /// RuntimeException | ||
| /// boom! | ||
| /// ``` | ||
| class ExceptionView : UIView { | ||
| let exception: KotlinThrowable | ||
|
|
||
| required init(_ exception: KotlinThrowable) { | ||
| self.exception = exception | ||
| super.init(frame: CGRect.zero) | ||
|
|
||
| let emoji = UILabel() | ||
| emoji.textAlignment = .center | ||
| emoji.font = emoji.font.withSize(40) | ||
| emoji.text = "🦨" | ||
| emoji.numberOfLines = 0 | ||
| emoji.translatesAutoresizingMaskIntoConstraints = false | ||
|
|
||
| let message = UILabel() | ||
| message.textAlignment = .center | ||
| message.text = exceptionToLabel(exception) | ||
| message.font = message.font.withSize(16) | ||
| message.numberOfLines = 0 | ||
| message.translatesAutoresizingMaskIntoConstraints = false | ||
|
|
||
| let centeredContent = UIView() | ||
| centeredContent.translatesAutoresizingMaskIntoConstraints = false | ||
| centeredContent.addSubview(emoji) | ||
| centeredContent.addSubview(message) | ||
|
|
||
| NSLayoutConstraint.activate([ | ||
| emoji.topAnchor.constraint(equalTo: centeredContent.topAnchor), | ||
| emoji.leftAnchor.constraint(equalTo: centeredContent.leftAnchor), | ||
| emoji.rightAnchor.constraint(equalTo: centeredContent.rightAnchor), | ||
| ]) | ||
|
|
||
| NSLayoutConstraint.activate([ | ||
| message.topAnchor.constraint(equalTo: emoji.bottomAnchor, constant: 10), | ||
| message.leftAnchor.constraint(equalTo: centeredContent.leftAnchor, constant: 10), | ||
| message.rightAnchor.constraint(equalTo: centeredContent.rightAnchor, constant: -10), | ||
| message.bottomAnchor.constraint(equalTo: centeredContent.bottomAnchor), | ||
| ]) | ||
|
|
||
| backgroundColor = UIColor(red: 255/255.0, green: 250/255.0, blue: 225/255.0, alpha: 1.0) | ||
| translatesAutoresizingMaskIntoConstraints = false | ||
| addSubview(centeredContent) | ||
| NSLayoutConstraint.activate([ | ||
| centeredContent.centerYAnchor.constraint(equalTo: centerYAnchor), | ||
| centeredContent.leftAnchor.constraint(equalTo: leftAnchor), | ||
| centeredContent.rightAnchor.constraint(equalTo: rightAnchor), | ||
| ]) | ||
| } | ||
|
|
||
| required init?(coder: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
|
|
||
| private func exceptionToLabel(_ exception: KotlinThrowable) -> String { | ||
| var result = exception.description() | ||
| let endOfString = result.firstIndex(of: "\n") | ||
| if (endOfString != nil) { | ||
| result = String(result[..<endOfString!]) | ||
| } | ||
| return result.replacingOccurrences(of: ": ", with: "\n") | ||
| } | ||
| } |