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Merge pull request #7 from freshOS/example
Better example
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‎Images/constraint.png‎

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‎KeyboardLayoutGuideExample/KeyboardLayoutGuideExample.xcodeproj/project.pbxproj‎

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objects = {
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/* Begin PBXBuildFile section */
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50F1DDE31FCC267900600110 /* Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50F1DDE21FCC267900600110 /* Extensions.swift */; };
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9902DE341FBB2659009E0D48 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9902DE331FBB2659009E0D48 /* AppDelegate.swift */; };
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9902DE361FBB2659009E0D48 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9902DE351FBB2659009E0D48 /* ViewController.swift */; };
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9902DE391FBB2659009E0D48 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 9902DE371FBB2659009E0D48 /* Main.storyboard */; };
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/* End PBXContainerItemProxy section */
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/* Begin PBXFileReference section */
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50F1DDE21FCC267900600110 /* Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Extensions.swift; sourceTree = "<group>"; };
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9902DE301FBB2659009E0D48 /* KeyboardLayoutGuideExample.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = KeyboardLayoutGuideExample.app; sourceTree = BUILT_PRODUCTS_DIR; };
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9902DE331FBB2659009E0D48 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
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9902DE351FBB2659009E0D48 /* ViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewController.swift; sourceTree = "<group>"; };
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children = (
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9902DE331FBB2659009E0D48 /* AppDelegate.swift */,
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9902DE351FBB2659009E0D48 /* ViewController.swift */,
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50F1DDE21FCC267900600110 /* Extensions.swift */,
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9902DE371FBB2659009E0D48 /* Main.storyboard */,
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9902DE3A1FBB2659009E0D48 /* Assets.xcassets */,
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9902DE3C1FBB2659009E0D48 /* LaunchScreen.storyboard */,
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files = (
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9902DE361FBB2659009E0D48 /* ViewController.swift in Sources */,
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9902DE341FBB2659009E0D48 /* AppDelegate.swift in Sources */,
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50F1DDE31FCC267900600110 /* Extensions.swift in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};

‎KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/Base.lproj/Main.storyboard‎

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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<subviews>
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<textField opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" placeholder="Try me!" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="fx8-LQ-Nzs">
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<rect key="frame" x="16" y="175" width="343" height="30"/>
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<rect key="frame" x="16" y="175" width="343" height="40"/>
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<constraints>
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<constraint firstAttribute="height" constant="40" id="DGk-vX-h2V"/>
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</constraints>
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<nil key="textColor"/>
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<fontDescription key="fontDescription" type="system" pointSize="14"/>
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<fontDescription key="fontDescription" type="system" pointSize="16"/>
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<textInputTraits key="textInputTraits"/>
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<connections>
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<outlet property="delegate" destination="BYZ-38-t0r" id="kot-bW-Hrl"/>
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</connections>
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</textField>
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<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="HGh-qK-wBn">
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<rect key="frame" x="0.0" y="567" width="375" height="100"/>
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<color key="backgroundColor" cocoaTouchSystemColor="groupTableViewBackgroundColor"/>
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<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="HGh-qK-wBn" customClass="InvertedButton" customModule="KeyboardLayoutGuideExample" customModuleProvider="target">
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<rect key="frame" x="0.0" y="617" width="375" height="50"/>
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<color key="backgroundColor" white="0.33333333333333331" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
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<constraints>
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<constraint firstAttribute="height" constant="100" id="Q6h-Ut-Aft"/>
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<constraint firstAttribute="height" constant="50" id="Q6h-Ut-Aft"/>
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</constraints>
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<state key="normal" title="Button"/>
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<fontDescription key="fontDescription" type="system" weight="medium" pointSize="18"/>
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<state key="normal" title="Tap me!"/>
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<connections>
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<action selector="buttonTapped:" destination="BYZ-38-t0r" eventType="touchUpInside" id="mKh-YQ-EPx"/>
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</connections>
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</button>
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</subviews>
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<color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
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<gestureRecognizers/>
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<constraints>
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<constraint firstItem="HGh-qK-wBn" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" id="7n9-b9-wjj"/>
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<constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="fx8-LQ-Nzs" secondAttribute="trailing" constant="16" id="Bfi-Vl-BMd"/>

‎KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/Extensions.swift‎

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//
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// Extensions.swift
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// KeyboardLayoutGuideExample
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//
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// Created by Max Konovalov on 27/11/2017.
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// Copyright © 2017 freshos. All rights reserved.
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//
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import UIKit
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extension ViewController: UITextFieldDelegate {
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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textField.resignFirstResponder()
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return false
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}
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@IBAction func buttonTapped(_ sender: Any) {
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guard let textField = view.subviews.first as? UITextField else {
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return
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}
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if textField.isFirstResponder {
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textField.resignFirstResponder()
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} else {
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textField.becomeFirstResponder()
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}
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}
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}
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class InvertedButton: UIButton {
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override var isHighlighted: Bool {
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didSet {
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updateBackgroundColor()
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}
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}
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override func awakeFromNib() {
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super.awakeFromNib()
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updateBackgroundColor()
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}
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override func tintColorDidChange() {
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super.tintColorDidChange()
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updateBackgroundColor()
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}
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private func updateBackgroundColor() {
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backgroundColor = isHighlighted ? tintColor.withAlphaComponent(0.5) : tintColor
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}
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}

‎README.md‎

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}
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```
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If you add your view in Interface Builder, don't forget to enable the "**Remove at build time**" checkbox for the bottom constraint:
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<img src="Images/constraint.png" width=258>
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## Installation
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### CocoaPods

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