笔记篇

自定义 view

2020-08-10  本文已影响0人  失忆的程序员

//

#import <UIKit/UIKit.h>

NS_ASSUME_NONNULL_BEGIN

@interface XPFEjectBaseView : UIView

/// 预先创建一个弹出View

/// @param superView 创建在父试图上,可以为nil  为nil创建在window上

- (instancetype)initShowAlertViewSuperView:(nullable UIView *)superView;

/// 展示View

- (void)showAlertView;

/// 隐藏View

- (void)hiddenAlertView;

@end

NS_ASSUME_NONNULL_END

//

#import "XPFEjectBaseView.h"

#define BaseV_W              ([[UIScreen mainScreen] bounds].size.width)

#define BaseV_H              ([[UIScreen mainScreen] bounds].size.height)

@interface XPFEjectBaseView ()

// 弹出的基View

@property (nonatomic,strong) UIView *baseView;

// 蒙层View

@property (nonatomic,strong) UIView *backgroundView;

// 弹出的View高度

@property (nonatomic,assign) CGFloat baseHeight;

@end

@implementation XPFEjectBaseView

#pragma mark ------

/// 预先创建一个弹出View

/// @param superView 创建在父试图上,可以为nil  为nil创建在window上

- (instancetype)initShowAlertViewSuperView:(nullable UIView *)superView {

    if (self == [super init]) {

        // 创建UI

        [self createUISuperView:superView];

    }

    return self;

}

/// 创建UI

- (void)createUISuperView:(nullable UIView *)superView

{

    self.baseHeight = 400;//WidthScale750(588) + (XPF_StatusBarHeight > 20 ? 34 : 0);

    self.hidden = YES;

    if (superView)

    {

        [superView addSubview:self];

        [self mas_makeConstraints:^(MASConstraintMaker *make) {

            make.edges.equalTo(superView);

        }];

    }

    else

    {

        UIWindow *windows = [UIApplication sharedApplication].keyWindow;

        [windows addSubview:self];

        [self mas_makeConstraints:^(MASConstraintMaker *make) {

            make.edges.equalTo(windows);

        }];

    }

    [self.backgroundView mas_makeConstraints:^(MASConstraintMaker *make) {

        make.edges.mas_equalTo(self);

    }];

    self.baseView.frame = CGRectMake(0, BaseV_H, BaseV_W, self.baseHeight);

    [self BezierPathWithRoundedRect:self.baseView RoundingCorners:UIRectCornerTopLeft | UIRectCornerTopRight CornerRadii:CGSizeMake(20, 20)];

}

/// 隐藏View

- (void)hiddenAlertView

{

    // 动画处理

    [UIView animateWithDuration:0.3 animations:^{

        self.baseView.frame = CGRectMake(0, BaseV_H, BaseV_W, self.baseHeight);

    } completion:^(BOOL finished) {

        self.hidden = YES;

    }];

}

/// 展示View

- (void)showAlertView

{  // 动画处理

    self.hidden = NO;

    [UIView animateWithDuration:0.3 animations:^{

        self.baseView.frame = CGRectMake(0, BaseV_H - self.baseHeight, BaseV_W, self.baseHeight);

    } completion:^(BOOL finished) {

    }];

}

#pragma mark ----- lazy

- (UIView *)baseView {

    if (!_baseView) {

        _baseView = [[UIView alloc] init];

        _baseView.backgroundColor = [UIColor colorWithRed:0/255.0 green:0/255.0 blue:0/255.0 alpha:0.88];

        [self addSubview:_baseView];

    }

    return _baseView;

}

- (UIView *)backgroundView {

    if (!_backgroundView) {

        _backgroundView = [[UIView alloc] init];

        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hiddenAlertView)];

        [_backgroundView addGestureRecognizer:tap];

        [self addSubview:_backgroundView];

    }

    return _backgroundView;

}

#pragma mark ----- 扩展

/// 利用贝塞尔曲线添加指定位置圆角

/// @param view view

/// @param conrners 圆角位置

/// @param cornerRadii 圆角大小

- (void)BezierPathWithRoundedRect:(UIView *)view RoundingCorners:(UIRectCorner)conrners CornerRadii:(CGSize)cornerRadii{

    UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:view.bounds byRoundingCorners:conrners cornerRadii:cornerRadii];

    CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];

    maskLayer.frame = view.bounds;

    maskLayer.path = maskPath.CGPath;

    view.layer.mask = maskLayer;

}

// 渐变色

- (void)CAGradientLayerWithView:(UIView *)view {

    CAGradientLayer *gradientLayer = [CAGradientLayer layer];

    gradientLayer.colors = @[(__bridge id)[UIColor redColor].CGColor, (__bridge id)[UIColor orangeColor].CGColor];

    gradientLayer.frame = view.frame;

    gradientLayer.startPoint = CGPointMake(0, 0);

    gradientLayer.endPoint = CGPointMake(1.0, 0);

    [view.layer addSublayer:gradientLayer];

}

@end

上一篇下一篇

猜你喜欢

热点阅读