添加HWPanModal和FLAnimatedImage

Pods/HWPanModal/Sources/Category/UIScrollView+Helper.h

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+//
+//  UIScrollView+Helper.h
+//  Pods
+//
+//  Created by heath wang on 2019/10/15.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface UIScrollView (Helper)
+
+@property (nonatomic, assign, readonly) BOOL isScrolling;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/HWPanModal/Sources/Category/UIScrollView+Helper.m

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+//
+//  UIScrollView+Helper.m
+//  Pods
+//
+//  Created by heath wang on 2019/10/15.
+//
+
+#import "UIScrollView+Helper.h"
+
+@implementation UIScrollView (Helper)
+
+- (BOOL)isScrolling {
+    return (self.isDragging && !self.isDecelerating) || self.isTracking;
+}
+
+@end

Pods/HWPanModal/Sources/Category/UIView+HW_Frame.h

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+//
+//  UIView+HW_Frame.h
+//  HWPanModal
+//
+//  Created by heath wang on 2019/5/20.
+//
+
+#import <UIKit/UIKit.h>
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface UIView (HW_Frame)
+
+@property (nonatomic, assign) CGFloat hw_left;        ///< Shortcut for frame.origin.x.
+@property (nonatomic, assign) CGFloat hw_top;         ///< Shortcut for frame.origin.y
+@property (nonatomic, assign) CGFloat hw_right;       ///< Shortcut for frame.origin.x + frame.size.width
+@property (nonatomic, assign) CGFloat hw_bottom;      ///< Shortcut for frame.origin.y + frame.size.height
+@property (nonatomic, assign) CGFloat hw_width;       ///< Shortcut for frame.size.width.
+@property (nonatomic, assign) CGFloat hw_height;      ///< Shortcut for frame.size.height.
+@property (nonatomic, assign) CGFloat hw_centerX;     ///< Shortcut for center.x
+@property (nonatomic, assign) CGFloat hw_centerY;     ///< Shortcut for center.y
+@property (nonatomic, assign) CGPoint hw_origin;      ///< Shortcut for frame.origin.
+@property (nonatomic, assign) CGSize  hw_size;        ///< Shortcut for frame.size.
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/HWPanModal/Sources/Category/UIView+HW_Frame.m

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+//
+//  UIView+HW_Frame.m
+//  HWPanModal
+//
+//  Created by heath wang on 2019/5/20.
+//
+
+#import "UIView+HW_Frame.h"
+
+@implementation UIView (HW_Frame)
+
+- (CGFloat)hw_left {
+	return self.frame.origin.x;
+}
+
+- (void)setHw_left:(CGFloat)hwLeft {
+	CGRect frame = self.frame;
+    frame.origin.x = hwLeft;
+    self.frame = frame;
+}
+
+- (CGFloat)hw_top {
+	return self.frame.origin.y;
+}
+
+- (void)setHw_top:(CGFloat)hwTop {
+    CGRect frame = self.frame;
+    frame.origin.y = hwTop;
+    self.frame = frame;
+}
+
+- (CGFloat)hw_right {
+	return self.frame.origin.x + self.frame.size.width;
+}
+
+- (void)setHw_right:(CGFloat)hwRight {
+    CGRect frame = self.frame;
+    frame.origin.x = hwRight - self.frame.size.width;
+    self.frame = frame;
+}
+
+- (CGFloat)hw_bottom {
+	return self.frame.origin.y + self.frame.size.height;
+}
+
+- (void)setHw_bottom:(CGFloat)hwBottom {
+    CGRect frame = self.frame;
+    frame.origin.y = hwBottom - self.frame.size.height;
+    self.frame = frame;
+}
+
+- (CGFloat)hw_width {
+	return self.frame.size.width;
+}
+
+- (void)setHw_width:(CGFloat)hwWidth {
+    CGRect frame = self.frame;
+    frame.size.width = hwWidth;
+    self.frame = frame;
+}
+
+- (CGFloat)hw_height {
+	return self.frame.size.height;
+}
+
+- (void)setHw_height:(CGFloat)hwHeight {
+    CGRect frame = self.frame;
+    frame.size.height = hwHeight;
+    self.frame = frame;
+}
+
+- (CGFloat)hw_centerX {
+	return self.center.x;
+}
+
+- (void)setHw_centerX:(CGFloat)hwCenterX {
+    self.center = CGPointMake(hwCenterX, self.center.y);
+}
+
+- (CGFloat)hw_centerY {
+	return self.center.y;
+}
+
+- (void)setHw_centerY:(CGFloat)hwCenterY {
+    self.center = CGPointMake(self.center.x, hwCenterY);
+}
+
+- (CGPoint)hw_origin {
+	return self.frame.origin;
+}
+
+- (void)setHw_origin:(CGPoint)hwOrigin {
+    CGRect frame = self.frame;
+    frame.origin = hwOrigin;
+    self.frame = frame;
+}
+
+- (CGSize)hw_size {
+	return self.frame.size;
+}
+
+- (void)setHw_size:(CGSize)hwSize {
+    CGRect frame = self.frame;
+    frame.size = hwSize;
+    self.frame = frame;
+}
+
+
+@end