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A UISwitch-like segmented control for your iOS app.

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README.md

SVSegmentedControl

SVSegmentedControl is a customizable UIControl class that mimics UISegmentedControl but that looks like an UISwitch.

SVSegmentedControl

Installation

From CocoaPods

Add pod 'SVSegmentedControl' to your Podfile or pod 'SVSegmentedControl', :head if you're feeling adventurous.

Manually

Important note if your project doesn't use ARC: you must add the -fobjc-arc compiler flag to SVSegmentedControl.m and SVSegmentedThumb.m in Target Settings > Build Phases > Compile Sources.

  • Drag the SVSegmentedControl/SVSegmentedControl folder into your project.
  • Add the QuartzCore framework to your project.

Usage

(see sample Xcode project in /Demo)

In its simplest form, this is how you create an SVSegmentedControl instance:

segmentedControl = [[SVSegmentedControl alloc] initWithSectionTitles:[NSArray arrayWithObjects:@"Section 1", @"Section 2", nil]];
segmentedControl.changeHandler = ^(NSUInteger newIndex) {
    // respond to index change
};

[self.view addSubview:segmentedControl];

You can position it using either its frame or center property:

Customization

SVSegmentedControl can be customized with the following properties:

@property (nonatomic, strong) NSArray *sectionTitles;
@property (nonatomic, strong) NSArray *sectionImages;

@property (nonatomic, readwrite) BOOL animateToInitialSelection; // default is NO
@property (nonatomic, readwrite) BOOL crossFadeLabelsOnDrag; // default is NO

@property (nonatomic, readwrite) BOOL mustSlideToChange; // default is NO - To make the control difficult to accidentally change, force the user to slide it
@property (nonatomic, readwrite) CGFloat minimumOverlapToChange; // default is 0.66 - Only snap to a new segment if the thumb overlaps it by this fraction
@property (nonatomic, readwrite) UIEdgeInsets touchTargetMargins; // default is UIEdgeInsetsMake(0, 0, 0, 0) - Enlarge touch target of control

@property (nonatomic, strong) UIColor *backgroundTintColor; // default is [UIColor colorWithWhite:0.1 alpha:1]
@property (nonatomic, retain) UIImage *backgroundImage; // default is nil

@property (nonatomic, readwrite) CGFloat height; // default is 32.0
@property (nonatomic, readwrite) UIEdgeInsets thumbEdgeInset; // default is UIEdgeInsetsMake(2, 2, 3, 2)
@property (nonatomic, readwrite) UIEdgeInsets titleEdgeInsets; // default is UIEdgeInsetsMake(0, 10, 0, 10)
@property (nonatomic, readwrite) CGFloat cornerRadius; // default is 4.0

@property (nonatomic, retain) UIFont *font; // default is [UIFont boldSystemFontOfSize:15]
@property (nonatomic, retain) UIColor *textColor; // default is [UIColor grayColor];
@property (nonatomic, strong) UIColor *innerShadowColor; // default is [UIColor colorWithWhite:0 alpha:0.8]
@property (nonatomic, retain) UIColor *textShadowColor;  // default is [UIColor blackColor]
@property (nonatomic, readwrite) CGSize textShadowOffset;  // default is CGSizeMake(0, -1)

Its thumb (SVSegmentedThumb) can be customized as well:

@property (nonatomic, retain) UIImage *backgroundImage; // default is nil;
@property (nonatomic, retain) UIImage *highlightedBackgroundImage; // default is nil;

@property (nonatomic, retain) UIColor *tintColor; // default is [UIColor grayColor]
@property (nonatomic, assign) UIColor *textColor; // default is [UIColor whiteColor]
@property (nonatomic, assign) UIColor *textShadowColor; // default is [UIColor blackColor]
@property (nonatomic, readwrite) CGSize textShadowOffset; // default is CGSizeMake(0, -1)
@property (nonatomic, readwrite) BOOL shouldCastShadow; // default is YES (NO when backgroundImage is set)
@property (nonatomic, assign) CGFloat gradientIntensity; // default is 0.15

To customize the thumb's appearance, you'll have to set the properties through SVSegmentedControl's thumb property. For instance, setting the thumb's tintColor is done with:

segmentedControl.thumb.tintColor = someColor;

Responding to value changes

You can respond to value changes using a block handler:

segmentedControl.changeHandler = ^(NSUInteger newIndex) {
    // respond to index change
};

If you haven't fallen in love with blocks yet, you can still use the classic UIControl method:

[mySegmentedControl addTarget:self action:@selector(segmentedControlChangedValue:) forControlEvents:UIControlEventValueChanged];

Providing an action method ending with a semicolon, the sender object is therefore made accessible:

- (void)segmentedControlChangedValue:(SVSegmentedControl*)segmentedControl {
    NSLog(@"segmentedControl did select index %i", segmentedControl.selectedIndex);
}

Credits

SVSegmentedControl is brought to you by Sam Vermette and contributors to the project. If you have feature suggestions or bug reports, feel free to help out by sending pull requests or by creating new issues. If you're using SVSegmentedControl in your project, attribution would be nice.

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