├── .github ├── funding.yml └── workflows │ └── build.yml ├── .gitignore ├── CHANGELOG.md ├── LICENSE ├── Package.swift ├── README.md ├── TOInsetGroupedTableView.podspec ├── TOInsetGroupedTableView.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ └── IDEWorkspaceChecks.plist └── xcshareddata │ └── xcschemes │ ├── TOInsetGroupedTableView.xcscheme │ └── TOInsetGroupedTableViewTests.xcscheme ├── TOInsetGroupedTableView ├── TOInsetGroupedTableView.h ├── TOInsetGroupedTableView.m └── include │ ├── TOInsetGroupedTableView.h │ └── module.modulemap ├── TOInsetGroupedTableViewExample ├── Assets.xcassets │ ├── AppIcon.appiconset │ │ └── Contents.json │ └── Contents.json ├── Base.lproj │ └── LaunchScreen.storyboard ├── Info.plist ├── TOAppDelegate.h ├── TOAppDelegate.m ├── TOViewController.h ├── TOViewController.m └── main.m ├── TOInsetGroupedTableViewTests ├── Info.plist └── TOInsetGroupedTableViewTests.m └── screenshot.jpg /.github/funding.yml: -------------------------------------------------------------------------------- 1 | github: timoliver 2 | custom: https://tim.dev/paypal 3 | -------------------------------------------------------------------------------- /.github/workflows/build.yml: -------------------------------------------------------------------------------- 1 | name: CI 2 | 3 | on: [push] 4 | 5 | jobs: 6 | build: 7 | 8 | runs-on: macos-latest 9 | 10 | steps: 11 | - uses: actions/checkout@v1 12 | - name: Run all of the library unit tests. 13 | run: '(curl -s -L http://tim.dev/install_ios_oss_ci | bash -s arg1 arg2) && bundle exec fastlane test' 14 | env: 15 | TEST_SCHEME: "TOInsetGroupedTableViewTests" -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | 5 | ## User settings 6 | xcuserdata/ 7 | 8 | ## compatibility with Xcode 8 and earlier (ignoring not required starting Xcode 9) 9 | *.xcscmblueprint 10 | *.xccheckout 11 | 12 | ## compatibility with Xcode 3 and earlier (ignoring not required starting Xcode 4) 13 | build/ 14 | DerivedData/ 15 | *.moved-aside 16 | *.pbxuser 17 | !default.pbxuser 18 | *.mode1v3 19 | !default.mode1v3 20 | *.mode2v3 21 | !default.mode2v3 22 | *.perspectivev3 23 | !default.perspectivev3 24 | 25 | ## Obj-C/Swift specific 26 | *.hmap 27 | 28 | ## App packaging 29 | *.ipa 30 | *.dSYM.zip 31 | *.dSYM 32 | 33 | # CocoaPods 34 | # 35 | # We recommend against adding the Pods directory to your .gitignore. However 36 | # you should judge for yourself, the pros and cons are mentioned at: 37 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 38 | # 39 | # Pods/ 40 | # 41 | # Add this line if you want to avoid checking in source code from the Xcode workspace 42 | # *.xcworkspace 43 | 44 | # Carthage 45 | # 46 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 47 | # Carthage/Checkouts 48 | 49 | Carthage/Build/ 50 | 51 | # fastlane 52 | # 53 | # It is recommended to not store the screenshots in the git repo. 54 | # Instead, use fastlane to re-generate the screenshots whenever they are needed. 55 | # For more information about the recommended setup visit: 56 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 57 | 58 | fastlane/report.xml 59 | fastlane/Preview.html 60 | fastlane/screenshots/**/*.png 61 | fastlane/test_output 62 | 63 | # Code Injection 64 | # 65 | # After new code Injection tools there's a generated folder /iOSInjectionProject 66 | # https://github.com/johnno1962/injectionforxcode 67 | 68 | iOSInjectionProject/ 69 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | x.y.z Release Notes (yyyy-MM-dd) 2 | ============================================================= 3 | 4 | 1.0.1 Release Notes (2020-04-11) 5 | ============================================================= 6 | 7 | ### Added 8 | 9 | * An API override for `UITableView(frame:style)` to ensure instances created with that method have the style value set properly. 10 | 11 | 1.0.0 Release Notes (2020-04-10) 12 | ============================================================= 13 | 14 | * Initial Release! 🎉 15 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2020 Tim Oliver 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /Package.swift: -------------------------------------------------------------------------------- 1 | // swift-tools-version:5.3 2 | // The swift-tools-version declares the minimum version of Swift required to build this package. 3 | 4 | import PackageDescription 5 | 6 | let package = Package( 7 | name: "TOInsetGroupedTableView", 8 | platforms: [ 9 | .iOS(.v11), 10 | ], 11 | products: [ 12 | .library(name: "TOInsetGroupedTableView", targets: ["TOInsetGroupedTableView"]), 13 | ], 14 | targets: [ 15 | .target( 16 | name: "TOInsetGroupedTableView", 17 | dependencies: [], 18 | path: "./TOInsetGroupedTableView/", 19 | publicHeadersPath: "include") 20 | ] 21 | ) 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # TOInsetGroupedTableView 2 | 3 |

4 | 5 |

6 | 7 | [![CI](https://github.com/TimOliver/TOInsetGroupedTableView/workflows/CI/badge.svg)](https://github.com/TimOliver/TOInsetGroupedTableView/actions?query=workflow%3ACI) 8 | [![Version](https://img.shields.io/cocoapods/v/TOInsetGroupedTableView.svg?style=flat)](http://cocoadocs.org/docsets/TOInsetGroupedTableView) 9 | [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/TimOliver/TOInsetGroupedTableView/master/LICENSE) 10 | [![Platform](https://img.shields.io/cocoapods/p/TORoundedButton.svg?style=flat)](http://cocoadocs.org/docsets/TOInsetGroupedTableView) 11 | [![PayPal](https://img.shields.io/badge/paypal-donate-blue.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=M4RKULAVKV7K8) 12 | [![Twitch](https://img.shields.io/badge/twitch-timXD-6441a5.svg)](http://twitch.tv/timXD) 13 | 14 | `TOInsetGroupedTableView` is a subclass of `UITableView` that back-ports the new "inset grouped" visual style introduced in iOS 13 to older versions of iOS. 15 | 16 | On iOS 13 and above, it defers back to using the system implementation, meaning absolutely no extra configuration code is required. 17 | 18 | This library is fantastic for developers adopting the new rounded corners style of table views in their apps, but are still supporting iOS 11 or iOS 12. 19 | 20 | ## Features 21 | * Brings the modern rounded corners look to table views in previous versions of iOS. 22 | * All override behaviour is contained in the table view. No modifications of the cell views themselves is required. 23 | * Defers back to the system implementation on iOS 13 and higher. 24 | * As the code is only ever executed below iOS 13, there is no chance of future iOS releases breaking the build. 25 | 26 | ## Requirements 27 | * Xcode 11.0 or higher. 28 | * iOS 11.0 or higher. 29 | 30 | ## Installation 31 | 32 | ### Manual Installation 33 | 34 | 1. [Download](https://github.com/TimOliver/TOInsetGroupedTableView/archive/master.zip) the latest version of the `TOInsetGroupedTableView` repository. 35 | 2. Inside the repository, copy the `TOInsetGroupedTableView` folder to your own Xcode project. 36 | 3. Optionally, in Swift, make sure to add the header file to your Swift bridging header. 37 | 38 | ### CocoaPods 39 | 40 | In your app's Podfile, add: 41 | 42 | ```ruby 43 | pod 'TOInsetGroupedTableView' 44 | ``` 45 | 46 | ## Usage 47 | 48 | Integrating `TOInsetGroupedTableView` is extremely simple as it introduces no new APIs or changes any external inputs. All that is needed is to replace `UITableView()` instantiations with `TOInsetGroupedTableView()`. 49 | 50 | ### Swift 51 | 52 | In Swift, the class is renamed to `InsetGroupedTableView`. In order to integrate it, simply replace any instances of 53 | 54 | ```swift 55 | self.tableView = UITableView(frame: .zero, style: .insetGrouped) 56 | ``` 57 | 58 | with 59 | 60 | ```swift 61 | self.tableView = InsetGroupedTableView(frame: .zero) 62 | ``` 63 | 64 | No other changes are needed. 65 | 66 | ### Objective-C 67 | 68 | Just like in Swift, all that is required is to rename any instantiations of `UITableView` with `TOInsetGroupedTableView`. 69 | 70 | For example, simply replace any instances of: 71 | 72 | ```objc 73 | self.tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStyleInsetGrouped]; 74 | ``` 75 | 76 | with 77 | 78 | ```objc 79 | self.tableView = [[TOInsetGroupedTableView alloc] initWithFrame:CGRectZero]; 80 | ``` 81 | 82 | ## Credits 83 | 84 | `TOInsetGroupedTableView` was created by [Tim Oliver](http://twitter.com/TimOliverAU). 85 | 86 | 87 | ## How is this library different to [`TORoundedTableView`](https://github.com/TimOliver/TORoundedTableView)? 88 | 89 | `TORoundedTableView` is a library with a similar goal: replicating the rounded corner table view style that has been present in Settings.app since iOS 7. 90 | 91 | `TORoundedTableView` was originally released in late 2016 with the explicit goal of supporting iOS versions 8.0 and above. 92 | 93 | Due to the APIs available on iOS at the time, as well as the relative graphics performance of the hardware of that era, `TORoundedTableView` required far more modification of `UITableView` and its components to achieve the effect, and maintain high FPS. 94 | 95 | Most notably, in order to have the rounded caps on the cells, it was also necessary to create subclasses of `UITableViewCell` as well, which increased the complexity of the implementation, and meant it couldn't really be simply 'dropped in' to existing implementations. 96 | 97 | By focusing on just the most recent iOS versions, where OpenGL has been completely removed, and there are now more Core Animation APIs, `TOInsetGroupedTableView` is able to achieve the same effect as `TORoundedTableView` but without needing to subclass any of the cells. 98 | 99 | Additionally, by observing how `.insetGrouped` behaves in iOS 13, it was also possible to configure `TOInsetGroupedTableView` to work alongside it, allowing for the same code to default back to the iOS 13 implementation when possible. 100 | 101 | # License 102 | 103 | `TOInsetGroupedTableView` is available under the MIT license. Please see the [LICENSE](LICENSE) file for more information. 104 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView.podspec: -------------------------------------------------------------------------------- 1 | Pod::Spec.new do |s| 2 | s.name = 'TOInsetGroupedTableView' 3 | s.version = '1.1.0' 4 | s.license = { :type => 'MIT', :file => 'LICENSE' } 5 | s.summary = 'An iOS 11 back-port of the grouped inset table view style in iOS 13.' 6 | s.homepage = 'https://github.com/TimOliver/TOInsetGroupedTableView' 7 | s.author = 'Tim Oliver' 8 | s.source = { :git => 'https://github.com/TimOliver/TOInsetGroupedTableView.git', :tag => s.version } 9 | s.platform = :ios, '11.0' 10 | s.source_files = 'TOInsetGroupedTableView/**/*.{h,m}' 11 | s.requires_arc = true 12 | end 13 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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484 | }; 485 | 223CA6A4243DB72500640EC2 /* Build configuration list for PBXNativeTarget "TOInsetGroupedTableView" */ = { 486 | isa = XCConfigurationList; 487 | buildConfigurations = ( 488 | 223CA6A5243DB72500640EC2 /* Debug */, 489 | 223CA6A6243DB72500640EC2 /* Release */, 490 | ); 491 | defaultConfigurationIsVisible = 0; 492 | defaultConfigurationName = Release; 493 | }; 494 | 22DA8E3524417361003341C3 /* Build configuration list for PBXNativeTarget "TOInsetGroupedTableViewTests" */ = { 495 | isa = XCConfigurationList; 496 | buildConfigurations = ( 497 | 22DA8E3624417361003341C3 /* Debug */, 498 | 22DA8E3724417361003341C3 /* Release */, 499 | ); 500 | defaultConfigurationIsVisible = 0; 501 | defaultConfigurationName = Release; 502 | }; 503 | /* End XCConfigurationList section */ 504 | }; 505 | rootObject = 223CA683243DB72400640EC2 /* Project object */; 506 | } 507 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView.xcodeproj/xcshareddata/xcschemes/TOInsetGroupedTableView.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 42 | 43 | 53 | 55 | 61 | 62 | 63 | 64 | 70 | 72 | 78 | 79 | 80 | 81 | 83 | 84 | 87 | 88 | 89 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView.xcodeproj/xcshareddata/xcschemes/TOInsetGroupedTableViewTests.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 42 | 43 | 53 | 54 | 60 | 61 | 67 | 68 | 69 | 70 | 72 | 73 | 76 | 77 | 78 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView/TOInsetGroupedTableView.h: -------------------------------------------------------------------------------- 1 | // 2 | // TOInsetGroupedTableView.h 3 | // 4 | // Copyright 2020 Timothy Oliver. All rights reserved. 5 | // 6 | // Permission is hereby granted, free of charge, to any person obtaining a copy 7 | // of this software and associated documentation files (the "Software"), to 8 | // deal in the Software without restriction, including without limitation the 9 | // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 | // sell copies of the Software, and to permit persons to whom the Software is 11 | // furnished to do so, subject to the following conditions: 12 | // 13 | // The above copyright notice and this permission notice shall be included in 14 | // all copies or substantial portions of the Software. 15 | // 16 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 | // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 20 | // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR 21 | // IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22 | 23 | #import 24 | 25 | /** 26 | A subclass of UITableView that back-ports the "inset grouped" style 27 | that was introduced in iOS 13 to previous versions of iOS. 28 | Defaults back to the native system implementation on iOS 13 and above. 29 | */ 30 | NS_SWIFT_NAME(InsetGroupedTableView) 31 | @interface TOInsetGroupedTableView : UITableView 32 | @end 33 | 34 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView/TOInsetGroupedTableView.m: -------------------------------------------------------------------------------- 1 | // 2 | // TOInsetGroupedTableView.m 3 | // 4 | // Copyright 2020 Timothy Oliver. All rights reserved. 5 | // 6 | // Permission is hereby granted, free of charge, to any person obtaining a copy 7 | // of this software and associated documentation files (the "Software"), to 8 | // deal in the Software without restriction, including without limitation the 9 | // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 | // sell copies of the Software, and to permit persons to whom the Software is 11 | // furnished to do so, subject to the following conditions: 12 | // 13 | // The above copyright notice and this permission notice shall be included in 14 | // all copies or substantial portions of the Software. 15 | // 16 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 | // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 20 | // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR 21 | // IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22 | 23 | #import "TOInsetGroupedTableView.h" 24 | 25 | // Un-comment when testing this on iOS 13 and up 26 | // #define DEBUG_TOINSETGROUPEDTABLEVIEW 1 27 | 28 | /** 29 | The KVO key we'll be using to detect when the table view 30 | manipulates the shape of any of the subviews 31 | */ 32 | static NSString * const kTOInsetGroupedTableViewFrameKey = @"frame"; 33 | 34 | /** 35 | The KVO key we'll be using to detect when the table view 36 | has been set to selected or not (which is the best time to calculate rounded corners) 37 | */ 38 | static NSString * const kTOInsetGroupedTableViewSelectedKey = @"selected"; 39 | 40 | /** The corner radius of the top and bottom cells. 41 | This is hard-coded with the same value as in iOS 13. 42 | */ 43 | static CGFloat const kTOInsetGroupedTableViewCornerRadius = 10.0f; 44 | 45 | @interface TOInsetGroupedTableView () 46 | 47 | /** 48 | A set to store a reference to each view that we attached 49 | a KVO observer to. 50 | */ 51 | @property (nonatomic, strong) NSMutableSet *observedViews; 52 | 53 | @property (nonatomic, assign) int realSeparatorStyle; 54 | 55 | @end 56 | 57 | @implementation TOInsetGroupedTableView 58 | 59 | #pragma mark - View Life-cycle - 60 | 61 | - (instancetype)init 62 | { 63 | // Set a non-zero default frame value 64 | CGRect frame = (CGRect){0,0,320,480}; 65 | 66 | #ifndef DEBUG_TOINSETGROUPEDTABLEVIEW 67 | // On iOS 13, cancel out to simply using the official grouped inset style 68 | if (@available(iOS 13.0, *)) { 69 | return [super initWithFrame:frame style:UITableViewStyleInsetGrouped]; 70 | } 71 | #endif 72 | 73 | // On iOS 12 and below, force the grouped style, and perform common setup 74 | if (self = [super initWithFrame:frame style:UITableViewStyleGrouped]) { 75 | [self commonInit]; 76 | } 77 | 78 | return self; 79 | } 80 | 81 | - (instancetype)initWithFrame:(CGRect)frame 82 | { 83 | #ifndef DEBUG_TOINSETGROUPEDTABLEVIEW 84 | // On iOS 13 and above, cancel out as we can simply use the official 85 | // grouped inset style. 86 | if (@available(iOS 13.0, *)) { 87 | return [super initWithFrame:frame style:UITableViewStyleInsetGrouped]; 88 | } 89 | #endif 90 | 91 | // On iOS 12 and below, make sure we explicitly force the grouped style 92 | if (self = [super initWithFrame:frame style:UITableViewStyleGrouped]) { 93 | [self commonInit]; 94 | } 95 | 96 | return self; 97 | } 98 | 99 | - (instancetype)initWithFrame:(CGRect)frame style:(UITableViewStyle)style 100 | { 101 | #ifndef DEBUG_TOINSETGROUPEDTABLEVIEW 102 | // On iOS 13 and up, override with the standard system implementation 103 | if (@available(iOS 13.0, *)) { 104 | return [super initWithFrame:frame style:UITableViewStyleInsetGrouped]; 105 | } 106 | #endif 107 | 108 | // On iOS 12 and below, make sure we explicitly force the grouped style 109 | if (self = [super initWithFrame:frame style:UITableViewStyleGrouped]) { 110 | [self commonInit]; 111 | } 112 | 113 | return self; 114 | } 115 | 116 | - (instancetype)initWithCoder:(NSCoder *)coder 117 | { 118 | if (self = [super initWithCoder:coder]) { 119 | // If the user left the style as "Plain" in IB, since we can't 120 | // override it here, throw an exception. 121 | // (Thankfully on iOS 12, IB will gracefully default it back to "Grouped") 122 | if (self.style < UITableViewStyleGrouped) { 123 | NSString *reason = @"TOInsetGroupedTableView: Make sure the table view style " 124 | "is set to \"Inset Grouped\" in Interface Builder"; 125 | @throw [NSException exceptionWithName:NSInternalInconsistencyException 126 | reason:reason 127 | userInfo:nil]; 128 | } 129 | 130 | // On iOS 12 or lower, perform the common set-up 131 | #ifndef DEBUG_TOINSETGROUPEDTABLEVIEW 132 | if (@available(iOS 13.0, *)) { return self; } 133 | #endif 134 | 135 | [self commonInit]; 136 | } 137 | 138 | return self; 139 | } 140 | 141 | - (void)commonInit 142 | { 143 | // Create the set to hold our observed views 144 | self.observedViews = [NSMutableSet set]; 145 | 146 | // Explicitly disable any magic insetting, as we'll 147 | // be manually calculating the insetting ourselves 148 | self.insetsLayoutMarginsFromSafeArea = NO; 149 | } 150 | 151 | - (void)dealloc 152 | { 153 | [self removeAllObservers]; 154 | } 155 | 156 | #pragma mark - Table View Behaviour Overrides - 157 | 158 | - (void)didAddSubview:(UIView *)subview 159 | { 160 | [super didAddSubview:subview]; 161 | 162 | #ifndef DEBUG_TOINSETGROUPEDTABLEVIEW 163 | if (@available(iOS 13.0, *)) { return; } 164 | #endif 165 | 166 | // If it's not a section header/footer view, or a table cell, ignore it 167 | if (![subview isKindOfClass:[UITableViewHeaderFooterView class]] && 168 | ![subview isKindOfClass:[UITableViewCell class]]) 169 | { 170 | return; 171 | } 172 | 173 | // Register this view for observation 174 | [self addObserverIfNeeded:subview]; 175 | } 176 | 177 | - (void)setSeparatorStyle:(UITableViewCellSeparatorStyle)separatorStyle 178 | { 179 | if (separatorStyle == UITableViewCellSeparatorStyleNone) { 180 | // make sure there will be _UITableViewCellSeparatorView in cell's subViews 181 | self.separatorColor = UIColor.clearColor; 182 | self.realSeparatorStyle = UITableViewCellSeparatorStyleNone; 183 | return; 184 | } 185 | self.realSeparatorStyle = -1; 186 | [super setSeparatorStyle:separatorStyle]; 187 | } 188 | 189 | - (UITableViewCellSeparatorStyle)separatorStyle 190 | { 191 | if (self.realSeparatorStyle > -1) { 192 | return self.realSeparatorStyle; 193 | } 194 | return [super separatorStyle]; 195 | } 196 | 197 | #pragma mark - Observer Life-cycle - 198 | 199 | - (void)addObserverIfNeeded:(UIView *)view 200 | { 201 | #ifndef DEBUG_TOINSETGROUPEDTABLEVIEW 202 | if (@available(iOS 13.0, *)) { return; } 203 | #endif 204 | 205 | // If the view had already been registered, exit out, 206 | // otherwise a system exception will be thrown 207 | if ([self.observedViews containsObject:view]) { 208 | return; 209 | } 210 | 211 | // Register the view to observe its frame shape 212 | [view addObserver:self 213 | forKeyPath:kTOInsetGroupedTableViewFrameKey 214 | options:0 215 | context:nil]; 216 | 217 | // If it's a cell, register for when it's set as selected 218 | // so we can round the corners then 219 | if ([view isKindOfClass:[UITableViewCell class]]) { 220 | [view addObserver:self 221 | forKeyPath:kTOInsetGroupedTableViewSelectedKey 222 | options:0 223 | context:nil]; 224 | } 225 | 226 | // Add it to the set 227 | [self.observedViews addObject:view]; 228 | } 229 | 230 | - (void)removeAllObservers 231 | { 232 | #ifndef DEBUG_TOINSETGROUPEDTABLEVIEW 233 | if (@available(iOS 13.0, *)) { return; } 234 | #endif 235 | 236 | // Loop through each object in the set, and de-register them 237 | for (UIView *view in self.observedViews) { 238 | // Remove the frame observer 239 | [view removeObserver:self 240 | forKeyPath:kTOInsetGroupedTableViewFrameKey 241 | context:nil]; 242 | 243 | // If table cell, remove the selected observer 244 | if ([view isKindOfClass:[UITableViewCell class]]) { 245 | [view removeObserver:self 246 | forKeyPath:kTOInsetGroupedTableViewSelectedKey 247 | context:nil]; 248 | } 249 | } 250 | 251 | // Clean out all of the views from the set 252 | [self.observedViews removeAllObjects]; 253 | } 254 | 255 | - (void)observeValueForKeyPath:(NSString *)keyPath 256 | ofObject:(id)object 257 | change:(NSDictionary *)change 258 | context:(void *)context 259 | { 260 | // Double check this notification is about an object we care about 261 | if ([object isKindOfClass:[UIView class]] == NO) { return; } 262 | UIView *view = (UIView *)object; 263 | 264 | // If the key was a frame observation, perform the inset 265 | if ([keyPath isEqualToString:kTOInsetGroupedTableViewFrameKey]) { 266 | [self performInsetLayoutForView:view]; 267 | } 268 | else if ([keyPath isEqualToString:kTOInsetGroupedTableViewSelectedKey]) { 269 | // If the key was the selection key, apply rounding 270 | [self applyRoundedCornersToTableViewCell:(UITableViewCell *)view]; 271 | } 272 | } 273 | 274 | #pragma mark - Behaviour Overrides - 275 | 276 | - (void)performInsetLayoutForView:(UIView *)view 277 | { 278 | CGRect frame = view.frame; 279 | UIEdgeInsets margins = self.layoutMargins; 280 | UIEdgeInsets safeAreaInsets = self.safeAreaInsets; 281 | 282 | // Calculate the left margin. 283 | // If the margin on its own isn't larger than 284 | // the safe area inset, combine the two. 285 | CGFloat leftInset = margins.left; 286 | if (leftInset - safeAreaInsets.left < 0.0f - FLT_EPSILON) { 287 | leftInset += safeAreaInsets.left; 288 | } 289 | 290 | // Calculate the right margin with the same logic. 291 | CGFloat rightInset = margins.right; 292 | if (rightInset - safeAreaInsets.right < 0.0f - FLT_EPSILON) { 293 | rightInset += safeAreaInsets.right; 294 | } 295 | 296 | // Calculate offset and width off the insets 297 | frame.origin.x = leftInset; 298 | frame.size.width = CGRectGetWidth(self.frame) - (leftInset + rightInset); 299 | 300 | // Apply the new frame value to the underlying CALayer 301 | // to avoid triggering the KVO observer into an infinite loop 302 | view.layer.frame = frame; 303 | } 304 | 305 | - (void)applyRoundedCornersToTableViewCell:(UITableViewCell *)cell 306 | { 307 | // Set the cell to always mask its child content 308 | cell.layer.masksToBounds = YES; 309 | 310 | // Set flags for checking both top and bottom 311 | BOOL topRounded = NO; 312 | BOOL bottomRounded = NO; 313 | 314 | // The maximum height a separator might be 315 | CGFloat separatorHeight = 1.0f; 316 | 317 | // Since the cell might still be not laid out yet 318 | // (And the separators aren't in the right places) 319 | // force a re-layout beforehand. 320 | [cell setNeedsLayout]; 321 | [cell layoutIfNeeded]; 322 | 323 | // Loop through each subview 324 | for (UIView *subview in cell.subviews) { 325 | CGRect frame = subview.frame; 326 | 327 | // Separators will always be less than 1 point high 328 | if (frame.size.height > separatorHeight) { continue; } 329 | 330 | // If the X origin isn't 0, it's a separator we want to keep. 331 | // Since it may have been a border separator we hid before, un-hide it. 332 | if (frame.origin.x > FLT_EPSILON) { 333 | subview.hidden = NO; 334 | continue; 335 | } 336 | 337 | // Check if it's a top or bottom separator 338 | if (frame.origin.y < FLT_EPSILON) { 339 | topRounded = YES; 340 | } 341 | else { 342 | bottomRounded = YES; 343 | } 344 | 345 | // Hide this view to get a clean looking border 346 | subview.hidden = YES; 347 | } 348 | 349 | BOOL needsRounding = (topRounded || bottomRounded); 350 | 351 | // Set the corner radius as needed 352 | cell.layer.cornerRadius = needsRounding ? kTOInsetGroupedTableViewCornerRadius : 0.0f; 353 | 354 | // Set which corners need to be rounded depending on top or bottom 355 | NSUInteger cornerRoundingFlags = 0; 356 | if (topRounded) { 357 | cornerRoundingFlags |= (kCALayerMinXMinYCorner|kCALayerMaxXMinYCorner); 358 | } 359 | if (bottomRounded) { 360 | cornerRoundingFlags |= (kCALayerMinXMaxYCorner|kCALayerMaxXMaxYCorner); 361 | } 362 | cell.layer.maskedCorners = cornerRoundingFlags; 363 | } 364 | 365 | @end 366 | -------------------------------------------------------------------------------- /TOInsetGroupedTableView/include/TOInsetGroupedTableView.h: -------------------------------------------------------------------------------- 1 | ../TOInsetGroupedTableView.h -------------------------------------------------------------------------------- /TOInsetGroupedTableView/include/module.modulemap: -------------------------------------------------------------------------------- 1 | module TOInsetGroupedTableView { 2 | umbrella ".." 3 | export * 4 | } 5 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "scale" : "2x", 6 | "size" : "20x20" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "scale" : "3x", 11 | "size" : "20x20" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "scale" : "2x", 16 | "size" : "29x29" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "scale" : "3x", 21 | "size" : "29x29" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "scale" : "2x", 26 | "size" : "40x40" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "scale" : "3x", 31 | "size" : "40x40" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "scale" : "2x", 36 | "size" : "60x60" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "scale" : "3x", 41 | "size" : "60x60" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "scale" : "1x", 46 | "size" : "20x20" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "scale" : "2x", 51 | "size" : "20x20" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "scale" : "1x", 56 | "size" : "29x29" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "scale" : "2x", 61 | "size" : "29x29" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "scale" : "1x", 66 | "size" : "40x40" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "scale" : "2x", 71 | "size" : "40x40" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "scale" : "1x", 76 | "size" : "76x76" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "scale" : "2x", 81 | "size" : "76x76" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "scale" : "2x", 86 | "size" : "83.5x83.5" 87 | }, 88 | { 89 | "idiom" : "ios-marketing", 90 | "scale" : "1x", 91 | "size" : "1024x1024" 92 | } 93 | ], 94 | "info" : { 95 | "author" : "xcode", 96 | "version" : 1 97 | } 98 | } 99 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "author" : "xcode", 4 | "version" : 1 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | $(PRODUCT_BUNDLE_PACKAGE_TYPE) 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | UILaunchStoryboardName 24 | LaunchScreen 25 | UIRequiredDeviceCapabilities 26 | 27 | armv7 28 | 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/TOAppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.h 3 | // TOGroupInsetTableView 4 | // 5 | // Created by Tim Oliver on 2020/04/08. 6 | // Copyright © 2020 Tim Oliver. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface TOAppDelegate : UIResponder 12 | 13 | @property (nonatomic, strong) UIWindow *window; 14 | 15 | @end 16 | 17 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/TOAppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.m 3 | // TOGroupInsetTableView 4 | // 5 | // Created by Tim Oliver on 2020/04/08. 6 | // Copyright © 2020 Tim Oliver. All rights reserved. 7 | // 8 | 9 | #import "TOAppDelegate.h" 10 | #import "TOViewController.h" 11 | 12 | @implementation TOAppDelegate 13 | 14 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 15 | { 16 | self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds]; 17 | self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[TOViewController new]]; 18 | [self.window makeKeyAndVisible]; 19 | 20 | return YES; 21 | } 22 | 23 | @end 24 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/TOViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.h 3 | // TOGroupInsetTableView 4 | // 5 | // Created by Tim Oliver on 2020/04/08. 6 | // Copyright © 2020 Tim Oliver. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface TOViewController : UITableViewController 12 | 13 | 14 | @end 15 | 16 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/TOViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.m 3 | // TOGroupInsetTableView 4 | // 5 | // Created by Tim Oliver on 2020/04/08. 6 | // Copyright © 2020 Tim Oliver. All rights reserved. 7 | // 8 | 9 | #import "TOViewController.h" 10 | #import "TOInsetGroupedTableView.h" 11 | 12 | @interface TOViewController () 13 | 14 | @end 15 | 16 | @implementation TOViewController 17 | 18 | - (void)loadView 19 | { 20 | self.tableView = [[TOInsetGroupedTableView alloc] init]; 21 | } 22 | 23 | - (void)viewDidLoad { 24 | [super viewDidLoad]; 25 | self.title = @"TOInsetGroupedTableView"; 26 | 27 | self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Edit" 28 | style:UIBarButtonItemStylePlain 29 | target:self 30 | action:@selector(editButtonTapped)]; 31 | } 32 | 33 | - (void)editButtonTapped 34 | { 35 | [self.tableView setEditing:!self.tableView.editing animated:YES]; 36 | } 37 | 38 | #pragma mark - Table View Data Source - 39 | 40 | - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView 41 | { 42 | return 5; 43 | } 44 | 45 | - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section 46 | { 47 | NSArray *rows = @[@(3), @(1), @(4), @(5), @(10)]; 48 | return [rows[section] integerValue]; 49 | } 50 | 51 | - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section 52 | { 53 | return [NSString stringWithFormat:@"Section %ld", (long)section + 1]; 54 | } 55 | 56 | - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 57 | { 58 | static NSString *cellIdentifier = @"Cell"; 59 | UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier]; 60 | if (cell == nil) { 61 | cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle 62 | reuseIdentifier:cellIdentifier]; 63 | } 64 | 65 | cell.textLabel.text = [NSString stringWithFormat:@"Cell %ld", (long)indexPath.row]; 66 | 67 | return cell; 68 | } 69 | 70 | #pragma mark - Table View Data Source - 71 | 72 | - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath 73 | { 74 | [tableView deselectRowAtIndexPath:indexPath animated:YES]; 75 | } 76 | 77 | - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath 78 | { 79 | return YES; 80 | } 81 | 82 | - (void)tableView:(UITableView *)tableView 83 | commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath 84 | { 85 | // Enables swipe-to-delete 86 | } 87 | 88 | - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath 89 | { 90 | 91 | } 92 | 93 | @end 94 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewExample/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // TOGroupInsetTableView 4 | // 5 | // Created by Tim Oliver on 2020/04/08. 6 | // Copyright © 2020 Tim Oliver. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "TOAppDelegate.h" 11 | 12 | int main(int argc, char * argv[]) { 13 | NSString * appDelegateClassName; 14 | @autoreleasepool { 15 | // Setup code that might create autoreleased objects goes here. 16 | appDelegateClassName = NSStringFromClass([TOAppDelegate class]); 17 | } 18 | return UIApplicationMain(argc, argv, nil, appDelegateClassName); 19 | } 20 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | $(PRODUCT_BUNDLE_PACKAGE_TYPE) 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /TOInsetGroupedTableViewTests/TOInsetGroupedTableViewTests.m: -------------------------------------------------------------------------------- 1 | // 2 | // TOInsetGroupedTableViewTests.m 3 | // TOInsetGroupedTableViewTests 4 | // 5 | // Created by Tim Oliver on 2020/04/11. 6 | // Copyright © 2020 Tim Oliver. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "TOInsetGroupedTableView.h" 11 | 12 | @interface TOInsetGroupedTableViewTests : XCTestCase 13 | 14 | @property (nonatomic, strong) TOInsetGroupedTableView *tableView; 15 | 16 | @end 17 | 18 | @implementation TOInsetGroupedTableViewTests 19 | 20 | - (void)setUp 21 | { 22 | UIView *hostView = [[UIView alloc] initWithFrame:(CGRect){0,0,320,480}]; 23 | self.tableView = [[TOInsetGroupedTableView alloc] initWithFrame:hostView.bounds]; 24 | [hostView addSubview:self.tableView]; 25 | } 26 | 27 | - (void)tearDown 28 | { 29 | 30 | } 31 | 32 | - (void)testTableViewCreation 33 | { 34 | // Test that the class builds and can be instantiated without issue 35 | XCTAssertNotNil(self.tableView); 36 | 37 | // Test the style has been set correctly 38 | if (@available(iOS 13.0, *)) { 39 | XCTAssertTrue(self.tableView.style == UITableViewStyleInsetGrouped); 40 | } 41 | else { 42 | XCTAssertTrue(self.tableView.style == UITableViewStyleGrouped); 43 | } 44 | } 45 | 46 | 47 | @end 48 | -------------------------------------------------------------------------------- /screenshot.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/TimOliver/TOInsetGroupedTableView/a17c55acd5faabd7114fb26e908cf1e07b570b1c/screenshot.jpg --------------------------------------------------------------------------------