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- (UIImage *)imageWithColor:(UIColor *)color{
    UIGraphicsBeginImageContextWithOptions(self.size, NO, self.scale);
    CGContextRef context = UIGraphicsGetCurrentContext();
    CGContextTranslateCTM(context, 0, self.size.height);
    CGContextScaleCTM(context, 1.0, -1.0);
    CGContextSetBlendMode(context, kCGBlendModeNormal);
    CGRect rect = CGRectMake(0, 0, self.size.width, self.size.height);
    CGContextClipToMask(context, rect, self.CGImage);
 [color setFill];

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@implementation UIScrollView (Swizz)

+ (void)load {
    
    SEL originalSelector = @selector(setMj_header:);
    SEL swizzledSelector = @selector(nr_setMj_header:);
    Method originalMethod = class_getInstanceMethod(self.class, originalSelector);
    Method swizzledMethod = class_getInstanceMethod(self.class, swizzledSelector);
    

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// MARK: 颜色转UIImage
extension UIImage {
    
    public convenience init?(color: UIColor, size: CGSize = CGSize(width: 1.0, height: 1.0)) {
        UIGraphicsBeginImageContextWithOptions(size, true, UIScreen.main.scale)
        defer {
            UIGraphicsEndImageContext()
        }
        let context = UIGraphicsGetCurrentContext()
        context?.setFillColor(color.cgColor)

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extension Reactive where Base: WKWebView {
    
    var loading: Observable<Bool> {
        return observeWeakly(Bool.self, "loading", options: [.initial, .new]).map { $0 ?? false }
    }
    
    var estimatedProgress: Observable<Double> {
        return observeWeakly(Double.self, "estimatedProgress").map { $0 ?? 0 }
    }
    

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iOS 制作基于pod开发第三方framework的二次封装

主要记录如何将第三方SDK的.a或framwwork集成到自己的framework中，并构建自己的pod发布到私有库所遇到的问题。

集成

1. 打开第三方SDK找到二进制文件（以iflyMSC.framework为例）
2. 将iflyMSC的二进制文件改成.a的后缀名，重命名为libiflyMSC.a。 如果不加lib前缀，那么在后面进行pod lib lint命令时有可能会遇到这样的错误提示：

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import UIKit
import CoreBluetooth
import RxSwift
import RxBluetoothKit

extension CBUUID {
    var type: UUID {
        return UUID(rawValue: uuidString)!
    }
    

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//
//  WatchSessionManager.swift
//  WatchConnectivityDemo
//
//  Created by Natasha Murashev on 9/3/15.
//  Copyright © 2015 NatashaTheRobot. All rights reserved.
//

import WatchConnectivity

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//
//  Badge.swift
//  Extensions for Rounded UILabel and UIButton, Badged UIBarButtonItem.
//
//  Usage:
//      let label = UILabel(badgeText: "Rounded Label");
//      let button = UIButton(type: .System); button.rounded = true
//      let barButton = UIBarButtonItem(badge: "42", title: "How Many Roads", target: self, action: "answer")
//
//  Created by Yonat Sharon on 06.04.2015.

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public struct TextSize {
    
    fileprivate struct CacheEntry: Hashable {
        let text: String
        let font: UIFont
        let width: CGFloat
        let insets: UIEdgeInsets
        
        fileprivate var hashValue: Int {
            return text.hashValue ^ Int(width) ^ Int(insets.top) ^ Int(insets.left) ^ Int(insets.bottom) ^ Int(insets.right)

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import IGListKit

public protocol Diffable: Equatable {
    var diffIdentifier: String { get }
}

final  class DiffableBox<T: Diffable>: ListDiffable {
    
    let value: T
    let identifier: NSObjectProtocol