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- (NSAttributedString *)bounusString:(NSString *)bounusText
{
    NSMutableAttributedString *msg = [[NSMutableAttributedString alloc] init];
    UIFont *textFont = [UIFont fontWithName:@"Roboto-Regular" size:13];
    
    NSTextAttachment *dimondAttachment = [[NSTextAttachment alloc] init];
    dimondAttachment.image = [UIImage imageNamed:@"ico_dimond"];
    dimondAttachment.bounds = CGRectMake(0, 0, 13, 13);
    NSAttributedString *dimondatrri = [NSAttributedString attributedStringWithAttachment:dimondAttachment];
    [msg appendAttributedString:dimondatrri];

qy1010

  # 增大点击区域
  pod 'TouchAreaInsets', '1.1.0'
    # popup tips  弹出黄色箭头提示
  pod 'CMPopTipView', '2.3.2'

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#import <UIKit/UIKit.h>

NS_ASSUME_NONNULL_BEGIN
//渐变蒙层
@interface HTVGradientLayer : UIView

@end

NS_ASSUME_NONNULL_END

qy1010

[self.KVOController observe:self.xxxx keyPath:FBKVOKeyPath(((UITableView *)_chatView).contentSize) options:NSKeyValueObservingOptionNew block:^(id  _Nullable observer, id  _Nonnull object, NSDictionary<NSString *,id> * _Nonnull change) {
            UITableView *xxxx1 = (UITableView *)object;
            CGFloat      heightT        = xxxx1.contentSize.height;
            
            CGFloat maxHeight = 200; 
            
            if (heightT > maxHeight) {
                heightT = maxHeight;
            }
            

qy1010

git cherry-pick

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CGRect rect = self.bounds;
    
    // Create the path
    UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:rect
                                                   byRoundingCorners:corners
                                                         cornerRadii:CGSizeMake(radius, radius)];
    
    // Create the shape layer and set its path
    CAShapeLayer *maskLayer = [CAShapeLayer layer];
    maskLayer.frame = rect;

qy1010

// 指安装最新  指定安装源
$ sudo gem install cocoapods --source http://rubygems.org
// 指定版本安装 指定安装源
$ sudo gem install cocoapods --source http://rubygems.org -v 1.5.3

查看pod版本
pod --version

查看有哪个pod
gem list pod

qy1010

// create
- (NSInvocation*)createInvocationWithSelector:(SEL)selector {
    
    NSMethodSignature *signature = [self methodSignatureForSelector:selector];
    NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
    invocation.target = self;
    invocation.selector = selector;
    return invocation;
}
//invoke

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- (NSInteger)methodSync {
    
    NSLog(@"methodSync Begin");
    __block NSInteger result = 0;
    //使用信号量dispatch_semaphore
    dispatch_semaphore_t sema = dispatch_semaphore_create(0);
    [self methodAsync:^(NSInteger value) {
        result = value;
        dispatch_semaphore_signal(sema);
    }];

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//反射调用
   Class <#your class#> = NSClassFromString(<#your class#>);
   id <#instance#>= [[<#your class#>  alloc]  init];
   SEL selector = NSSelectorFromString(<#CallFunc#>);
   [<#instance#> performSelector:selector withObject:nil];