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iOS封装倒计时按钮HLCountDownButton示例详解

作者:一个写iOS的小垃圾

这篇文章主要为大家介绍了iOS封装倒计时按钮HLCountDownButton示例详解,有需要的朋友可以借鉴参考下,希望能够有所帮助,祝大家多多进步,早日升职加薪

引言

在开发中经常会用到倒计时的按钮,常用在发送短信验证码中。最差的写法是把代码写在ViewController中。这样的话如果项目中存在多个倒计时按钮,代码就十分臃肿了。所以封装一个倒计时按钮就迫在眉睫了。传送门HLCountDownButton,欢迎帮忙点点小星星🌟🌟

演示图

可选自定义属性

/// 样式,默认HLCountDownButtonTypeNormal
@property (nonatomic, assign) IBInspectable NSInteger hlType UI_APPEARANCE_SELECTOR;
/// 是否可用,默认YES
@property (nonatomic, assign) IBInspectable BOOL hlEnabled UI_APPEARANCE_SELECTOR;
/// 正常标题,默认“获取验证码”
@property (nonatomic, copy) IBInspectable NSString *normalTitle UI_APPEARANCE_SELECTOR;
/// 重新获取标题,默认“获取验证码”
@property (nonatomic, copy) IBInspectable NSString *againTitle UI_APPEARANCE_SELECTOR;
/// 发送中标题格式,默认“%ds 后获取”
@property (nonatomic, copy) IBInspectable NSString *sendingTitleFormat UI_APPEARANCE_SELECTOR;
/// 高亮颜色,默认0x4181FE
@property (nonatomic, strong) IBInspectable UIColor *highlightedColor UI_APPEARANCE_SELECTOR;
/// 非高亮颜色,默认0xd2d2d2
@property (nonatomic, strong) IBInspectable UIColor *disabledColor UI_APPEARANCE_SELECTOR;
/// 圆角半径,默认4
@property (nonatomic, assign) IBInspectable CGFloat cornerRadius UI_APPEARANCE_SELECTOR;
/// 边框宽度,默认0.5
@property (nonatomic, assign) IBInspectable CGFloat borderWidth UI_APPEARANCE_SELECTOR;
/// 倒计时长,默认60s
@property (nonatomic, assign) IBInspectable NSInteger countDownSize UI_APPEARANCE_SELECTOR;

3种样式选择

typedef NS_ENUM(NSInteger, HLCountDownButtonType) {
    HLCountDownButtonTypeNormal,            ///< 无背景,无边框
    HLCountDownButtonTypeOnlyLine,          ///< 无背景,有边框
    HLCountDownButtonTypeOnlyBackground,    ///< 有背景,无边框
};

回调说明

__weak typeof(self) weakSelf = self;
self.countDownButton.startBlock = ^(){
    // TODO 点击了倒计时按钮,这里可进行发送验证码操作
    // [weakSelf sendCodeMsg];
};

注意:点击了会有startBlock回调,就不要为HLCountDownButton添加点击Action

全局样式设置

如果您项目中多个地方使用到该组件,您可以全局设置样式,例在AppDelegate添加

[HLCountDownButton appearance].highlightedColor = [UIColor redColor];

注意:代码 > appearance > interface builder,所以appearance设置的会覆盖在xib或storyboard中设置的属性,当然代码会覆盖appearance设置

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