A cool color picker ready to integrate in iPhone, Objective-C application projects (also available in Swift 2.0).
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USColorPicker Adapt to iPhone 6 Oct 28, 2015
USColorPickerProjectExample Added example project Oct 23, 2015
LICENSE Create LICENSE Oct 18, 2018
README.md Update README.md Oct 18, 2018

README.md

USColorPicker

Looking for this in Swift 2.0? It's there.

Here under is some sample code for the View Controller you wish to launch the USColorPicker modal view from:

alt tag

Please note that the USColorPicker classes are provided as used in apps optimized for the iPhone 5 such as Pixel is Data. Some adaptation might (will) be necessary. User Studio can in no way be held responsible for their malfunction or misuse in your own project.

The code & its assets are distributed under the MIT license (means it's free, and commercial use is OK ;). Enjoy and don't forget to mention US!

ViewController.h

#import <UIKit/UIKit.h>
#import "USColorPickerController.h"

@interface ViewController : UIViewController <USColorPickerControllerDelegate> {
    USColorPickerController     *usColorPickerCtrl;
    UIColor                     *previousColorPickerColor;
    CGPoint                     previousColorPickerPosition;

    UIButton					*colorPickerPresentationBtn;
}

@end

ViewController.m

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    
	// Create the color choosing (modal) view
	usColorPickerCtrl = [[USColorPickerController alloc] initWithNibName:@"USColorPickerController" bundle:nil];
	usColorPickerCtrl.delegate = self;
	[usColorPickerCtrl view]; // preload

	// Button
    colorPickerPresentationBtn = [[UIButton alloc] initWithFrame:CGRectMake(20, 20, 260, 30)];
    [colorPickerPresentationBtn setTitle:@"" forState:UIControlStateNormal];
    [colorPickerPresentationBtn setTintColor:usColorPickerCtrl.colorPicker.lastColor];
    [colorPickerPresentationBtn setBackgroundColor:usColorPickerCtrl.colorPicker.lastColor];
    [colorPickerPresentationBtn addTarget:self action:@selector(listen2ColorPickerPresentationBtn:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:colorPickerPresentationBtn];
}

- (void)listen2ColorPickerPresentationBtn:(id)sender
{
    [self presentViewController:usColorPickerCtrl animated:YES completion:^{
        NSLog(@"Choose color...");
    }];
}

#pragma mark - USColorPickerControllerDelegate methods

- (void)dismissColorPicker
{
    // user cancelled
    [self dismissViewControllerAnimated:YES completion:^{
        // change back to what we had before
        usColorPickerCtrl.colorPicker.lastPosition = previousColorPickerPosition;
        usColorPickerCtrl.colorPicker.lastColor = previousColorPickerColor;
        [usColorPickerCtrl.colorPicker applyPosition:previousColorPickerPosition andColor:previousColorPickerColor];
    }];
}

- (void)dismissColorPickerAndUseSelectedColor
{
    // saving new values
    previousColorPickerPosition = usColorPickerCtrl.colorPicker.lastPosition;
    previousColorPickerColor = usColorPickerCtrl.colorPicker.lastColor;
    [usColorPickerCtrl.colorPicker applyPositionAndColor];

    // applying chosen color to the button
    [colorPickerPresentationBtn setTintColor:usColorPickerCtrl.colorPicker.lastColor]; // set button's color
    [colorPickerPresentationBtn setBackgroundColor:usColorPickerCtrl.colorPicker.lastColor];
    [self dismissViewControllerAnimated:YES completion:^{ // close modal view
        NSLog(@"Using selected color picker color");
    }];
}

@end