1.导入ANImageBitmapRep库（或者文件下的ColorPickerClasses）
2.用法
FColorPickerView.h
// // FColorPickerView.h // Foowwphone // // Created by Jacky-MAC on 15/7/7. // Copyright (c) 2015年 Fooww. All rights reserved. // #import <UIKit/UIKit.h> #import "RSColorPickerView.h" #import "RSBrightnessSlider.h" @interface FColorPickerView : UIViewController <RSColorPickerViewDelegate,UITextFieldDelegate> @property (nonatomic,copy) NSString * colorCode; @property (nonatomic,strong) UIColor * selectColor; @property (nonatomic,copy) void (^sendColorInfo)(UIColor * sc,NSString * cc); @end
FColorPickerView.m
// // FColorPickerView.m // Foowwphone // // Created by Jacky-MAC on 15/7/7. // Copyright (c) 2015年 Fooww. All rights reserved. // #import "FColorPickerView.h" #import "ApiConnectionDelegate.h" #import "ProgressHUD.h" @interface FColorPickerView () { NSInteger _upH; BOOL _upView; BOOL _shouldU; NSInteger _screenH; NSInteger _screenW; UIView * _oldColorV; UIView * _newColorV; } @property (nonatomic,strong) UIColor * oldColor; @property (nonatomic,strong) RSColorPickerView * colorPicker; @property (nonatomic,strong) RSBrightnessSlider * brightnessSlider; @property (nonatomic,strong) UITextField * colorCodeText; @end @implementation FColorPickerView - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. self.title=@"选择背景色"; self.view.backgroundColor=grayLogColor; _shouldU=NO; _screenW=ScreenWidth; _screenH=ScreenHeight; if (isBeforeIOS7) { _upH=0; }else { _upH=64; } _upView=NO; [self createInterface]; if (isBeforeIOS7) { UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom]; btn.frame = CGRectMake(15,5,22,22); [btn setBackgroundImage:[UIImage imageNamed:@"icon_back_left"] forState:UIControlStateNormal]; [btn addTarget: self action: @selector(goBackAction) forControlEvents: UIControlEventTouchUpInside]; UIBarButtonItem*back=[[UIBarButtonItem alloc]initWithCustomView:btn]; self.navigationItem.leftBarButtonItem=back; } } -(void)goBackAction { [self.navigationController popViewControllerAnimated:YES]; } -(void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:YES]; } -(void)createInterface { self.colorPicker = [[RSColorPickerView alloc] initWithFrame:CGRectMake(10.0, 10.0, 250.0, 250.0)]; [self.colorPicker setDelegate:self]; [self.colorPicker setBrightness:1.0]; [self.colorPicker setCropToCircle:NO]; [self.colorPicker setBackgroundColor:[UIColor clearColor]]; [self.view addSubview:self.colorPicker]; self.brightnessSlider = [[RSBrightnessSlider alloc] initWithFrame:CGRectMake(155.0, 120.0, 250.0, 30.0)]; [self.brightnessSlider setColorPicker:self.colorPicker]; [self.brightnessSlider setUseCustomSlider:NO]; [self.view addSubview:self.brightnessSlider]; self.colorCodeText=[[UITextField alloc]initWithFrame:CGRectMake(10, 270, 250, 30)]; self.colorCodeText.returnKeyType = UIReturnKeyDone; self.colorCodeText.text=[NSString stringWithFormat:@"#%@",self.colorCode]; self.colorCodeText.layer.borderColor=[[UIColor grayColor] CGColor]; self.colorCodeText.layer.borderWidth=1; self.colorCodeText.layer.cornerRadius=4.0; self.colorCodeText.delegate=self; self.colorCodeText.tag=101; [self.view addSubview:self.colorCodeText]; UIColor * oldColor=[self colorWithColorString:self.colorCode]; _oldColorV=[[UIView alloc]initWithFrame:CGRectMake(10, 305, 120, 30)]; _oldColorV.backgroundColor=oldColor; [self.view addSubview:_oldColorV]; _newColorV=[[UIView alloc]initWithFrame:CGRectMake(140, 305, 120, 30)]; _newColorV.backgroundColor=oldColor; [self.view addSubview:_newColorV]; if (isBeforeIOS7) { UIButton *changeBtn = [UIButton buttonWithType:UIButtonTypeCustom]; changeBtn.frame = CGRectMake(ScreenWidth-50,2,40,40); [changeBtn setTitle:@"确定" forState:UIControlStateNormal]; changeBtn.titleLabel.font=[UIFont systemFontOfSize:15]; [changeBtn addTarget: self action: @selector(saveSelectColor) forControlEvents: UIControlEventTouchUpInside]; UIBarButtonItem*changeBarBtn=[[UIBarButtonItem alloc]initWithCustomView:changeBtn]; self.navigationItem.rightBarButtonItem=changeBarBtn; }else { UIBarButtonItem * changeBtn=[[UIBarButtonItem alloc]initWithTitle:@"确定" style:UIBarButtonItemStyleDone target:self action:@selector(saveSelectColor)]; self.navigationItem.rightBarButtonItem = changeBtn; } } -(void)saveSelectColor { self.sendColorInfo(self.selectColor,self.colorCode); [self goBackAction]; } -(void)colorPickerDidChangeSelection:(RSColorPickerView *)cp { if (_shouldU) { self.selectColor=[cp selectionColor]; self.colorCode=[self getColorCodeWithColor:self.selectColor]; self.colorCodeText.text=[NSString stringWithFormat:@"#%@",self.colorCode]; _newColorV.backgroundColor = self.selectColor; }else { _shouldU=YES; } } #pragma mark-TextFieldDelegate -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { [self textResignFirstResponder]; } -(void)textResignFirstResponder { [self.colorCodeText resignFirstResponder]; } - (void)textFieldDidBeginEditing:(UITextField *)textField { NSInteger t,h,b; t=textField.tag-100; h=270+t*35; b=_screenH-64-h-216; if (b < 0) { _upView=YES; self.view.frame=CGRectMake(0, b, _screenW, _screenH); } } - (void)textFieldDidEndEditing:(UITextField *)textField { if (_upView) { self.view.frame=CGRectMake(0, _upH, _screenW, _screenH); } if ([self checkTextStringLength]) { [self inputCodeChangeToColor]; } } - (BOOL)textFieldShouldReturn:(UITextField *)textField { return YES; } - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string; { return YES; } #pragma mark-ColorOperation -(UIColor *)colorWithColorString:(NSString *)colorStrig //16进制转UIColor { NSString *cString = [[colorStrig stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString]; if ([cString length] < 6) { return [UIColor whiteColor]; } if ([cString hasPrefix:@"#"]) { cString = [cString substringFromIndex:1]; } if ([cString length] != 6) { return [UIColor whiteColor]; } NSRange range; range.location = 0; range.length = 2; NSString *rString = [cString substringWithRange:range]; range.location = 2; NSString *gString = [cString substringWithRange:range]; range.location = 4; NSString *bString = [cString substringWithRange:range]; unsigned int r, g, b; [[NSScanner scannerWithString:rString] scanHexInt:&r]; [[NSScanner scannerWithString:gString] scanHexInt:&g]; [[NSScanner scannerWithString:bString] scanHexInt:&b]; if ([self checkTextNumberWithRed:r green:g blue:b]) { return [UIColor colorWithRed:((float) r / 255.0f) green:((float) g / 255.0f) blue:((float) b / 255.0f) alpha:1.0f]; }else { [ProgressHUD showError:@"颜色代码错误"]; return [UIColor whiteColor]; } } -(NSString *)getColorCodeWithColor:(UIColor *)color { CGFloat r, g, b, a; [color getRed:&r green:&g blue:&b alpha:&a]; int rgb = (int) (r * 255.0f)<<16 | (int) (g * 255.0f)<<8 | (int) (b * 255.0f)<<0; NSString * code = [NSString stringWithFormat:@"%06x", rgb]; return code; } -(BOOL)checkTextStringLength { BOOL c; NSString * r=self.colorCodeText.text; if (r.length == 7) { c=YES; }else { c=NO; } return c; } -(BOOL)checkTextNumberWithRed:(NSInteger)r green:(NSInteger)g blue:(NSInteger)b { BOOL c; if (r>=0 && r<=255 && g>=0 && g<=255 &&b>=0 && b<=255) { c=YES; }else { c=NO; } return c; } -(void)inputCodeChangeToColor { _shouldU=NO; self.colorCode = [self.colorCodeText.text substringFromIndex:1]; // self.colorCode = self.colorCodeText.text; NSLog(@"----%@",self.colorCode); self.selectColor=[self colorWithColorString:self.colorCode]; [self.colorPicker setSelectionColor:self.selectColor]; [_newColorV setBackgroundColor:self.selectColor]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } /* #pragma mark - Navigation // In a storyboard-based application, you will often want to do a little preparation before navigation - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { // Get the new view controller using [segue destinationViewController]. // Pass the selected object to the new view controller. } */ @end