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定制二选一按钮SwitchButton
定制二选一按钮SwitchButton
效果：
源码：
SwitchButton.h 与 SwitchButton.m
//// SwitchButton.h// KongJian//// Created by YouXianMing on 14/10/24.// Copyright (c) 2014年 YouXianMing. All rights reserved.//#import <UIKit/UIKit.h>@protocol SwitchButtonDelegate <NSObject>- (void)switchButtonState:(BOOL)state;@end@interface SwitchButton : UIView/** * 代理 */@property (nonatomic, assign) id<SwitchButtonDelegate> delegate;/** * 3个view */@property (nonatomic, strong) UIView *leftView;@property (nonatomic, strong) UIView *rightView;@property (nonatomic, strong) UIView *blockView;/** * 动画持续时间 */@property (nonatomic, assign) NSTimeInterval duration;/** * 块是否在左边 */@property (nonatomic, assign) BOOL blockAtLeft;/** * 背景颜色 */@property (nonatomic, strong) UIColor *leftBackgroundColor;@property (nonatomic, strong) UIColor *rightBackgroundColor;/** * 便利的创建出按钮 * * @param leftText 左边显示的文本 * @param rightText 右边显示的文本 * @param size button的尺寸 * * @return button对象 */+ (SwitchButton *)createDefaultTypeButtonWithLeftText:(NSString *)leftText rightText:(NSString *)rightText size:(CGSize)size;@end
//// SwitchButton.m// KongJian//// Created by YouXianMing on 14/10/24.// Copyright (c) 2014年 YouXianMing. All rights reserved.//#import "SwitchButton.h"@interface SwitchButton ()@property (nonatomic, strong) UIButton *button;@property (nonatomic, strong) UIView *leftBackView;@property (nonatomic, strong) UIView *rightBackView;@property (nonatomic, strong) UIView *blockBackView;@end@implementation SwitchButton- (instancetype)initWithFrame:(CGRect)frame{ self = [super initWithFrame:frame]; if (self) { self.layer.masksToBounds = YES; // 按钮 _button = [[UIButton alloc] initWithFrame:self.bounds]; [_button addTarget:self action:@selector(buttonEvent) forControlEvents:UIControlEventTouchUpInside]; [self addSubview:_button]; // 左侧view _leftBackView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.bounds.size.width / 2.f, self.bounds.size.height)]; _leftBackView.userInteractionEnabled = NO; [self addSubview:_leftBackView]; // 右侧view _rightBackView = [[UIView alloc] initWithFrame:CGRectMake(self.bounds.size.width / 2.f, 0, self.bounds.size.width / 2.f, self.bounds.size.height)]; _rightBackView.userInteractionEnabled = NO; [self addSubview:_rightBackView]; // 遮挡用的view _blockBackView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.bounds.size.width / 2.f, self.bounds.size.height)]; _blockBackView.userInteractionEnabled = NO; [self addSubview:_blockBackView]; } return self;}- (void)buttonEvent { if (_blockBackView.frame.origin.x == 0) { if (_delegate) { [_delegate switchButtonState:YES]; } [UIView animateWithDuration:(_duration > 0 ? _duration : 0.2f) animations:^{ _blockBackView.frame = CGRectMake(self.bounds.size.width / 2.f, 0, self.bounds.size.width / 2.f, self.bounds.size.height); if (_leftBackgroundColor) { _button.backgroundColor = _leftBackgroundColor; } } completion:^(BOOL finished) { }]; } else { [_delegate switchButtonState:NO]; [UIView animateWithDuration:(_duration > 0 ? _duration : 0.2f) animations:^{ _blockBackView.frame = CGRectMake(0, 0, self.bounds.size.width / 2.f, self.bounds.size.height); if (_rightBackgroundColor) { _button.backgroundColor = _rightBackgroundColor; } } completion:^(BOOL finished) { }]; }}@synthesize leftView = _leftView;- (void)setLeftView:(UIView *)leftView { _leftView = leftView; leftView.userInteractionEnabled = NO; [_leftBackView addSubview:leftView]; [self bringSubviewToFront:_blockBackView];}@synthesize rightView = _rightView;- (void)setRightView:(UIView *)rightView { _rightView = rightView; rightView.userInteractionEnabled = NO; [_rightBackView addSubview:rightView]; [self bringSubviewToFront:_blockBackView];}@synthesize blockView = _blockView;- (void)setBlockView:(UIView *)blockView { _blockView = blockView; blockView.userInteractionEnabled = NO; [_blockBackView addSubview:blockView]; [self bringSubviewToFront:_blockBackView];}@synthesize blockAtLeft = _blockAtLeft;- (void)setBlockAtLeft:(BOOL)blockAtLeft { _blockAtLeft = blockAtLeft; if (blockAtLeft == YES) { _blockBackView.frame = CGRectMake(0, 0, self.bounds.size.width / 2.f, self.bounds.size.height); } else { _blockBackView.frame = CGRectMake(self.bounds.size.width / 2.f, 0, self.bounds.size.width / 2.f, self.bounds.size.height); }}#pragma mark - 便利构造器+ (SwitchButton *)createDefaultTypeButtonWithLeftText:(NSString *)leftText rightText:(NSString *)rightText size:(CGSize)size { SwitchButton *button = [[SwitchButton alloc] initWithFrame:CGRectMake(0, 0, size.width, size.height)]; button.layer.cornerRadius = 7.f; button.blockAtLeft = NO; button.leftBackgroundColor = [UIColor colorWithRed:0.969 green:0.365 blue:0.137 alpha:1]; button.backgroundColor = [UIColor colorWithRed:0.969 green:0.365 blue:0.137 alpha:1]; button.rightBackgroundColor = [UIColor colorWithRed:0.278 green:0.835 blue:0.855 alpha:1]; button.duration = 0.3f; // 左侧文本 UILabel *man = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, button.bounds.size.width/2.f, button.bounds.size.height)]; man.text = leftText; man.textColor = [UIColor whiteColor]; man.font = [UIFont systemFontOfSize:20.f]; man.textAlignment = NSTextAlignmentCenter; button.leftView = man; // 右侧文本 UILabel *woman = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, button.bounds.size.width/2.f, button.bounds.size.height)]; woman.text = rightText; woman.textColor = [UIColor whiteColor]; woman.font = [UIFont systemFontOfSize:20.f]; woman.textAlignment = NSTextAlignmentCenter; button.rightView = woman; // 中间挡住的块 UIView *blockView = [[UIView alloc] initWithFrame:CGRectMake(4, 4, button.bounds.size.width/2.f - 8, button.bounds.size.height - 8)]; blockView.layer.cornerRadius = 7.f; blockView.backgroundColor = [UIColor whiteColor]; button.blockView = blockView; return button;}@end
使用时候源码：
//// ViewController.m// KongJian//// Created by YouXianMing on 14/10/24.// Copyright (c) 2014年 YouXianMing. All rights reserved.//#import "ViewController.h"#import "SwitchButton.h"@interface ViewController ()<SwitchButtonDelegate>@end@implementation ViewController- (void)viewDidLoad { [super viewDidLoad]; SwitchButton *button = [SwitchButton createDefaultTypeButtonWithLeftText:@"Y" rightText:@"X" size:CGSizeMake(110, 70)]; button.delegate = self; button.center = self.view.center; [self.view addSubview:button];}- (void)switchButtonState:(BOOL)state { NSLog(@"%d", state);}@end
核心的地方：
便利构造器（你可以自己去写）：
定制二选一按钮SwitchButton
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