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抄自github-issues，实测好用 新建UIViewController+ZFPlayerFixSafeArea 文件，复制代码，运行～～...
1、三角函数 double sin (double);正弦 double cos (double);余弦 double tan (double)...
使用: -(void)sendMessage:(UIButton *)btn{NSString *message =@"(｡•ˇ‸ˇ•｡)哼！都...
//初始化textfield并设置位置及大小 UITextField *text = [[UITextField alloc]initWithF...
//初始化并定义大小 UITextView *textview = [[UITextView alloc] initWithFrame:CGRe...
居中显示 make.center.equalTo(self.view);make.size.mas_equalTo(CGSizeMake(300...
- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange...
直接关闭: [[[UIApplication sharedApplication] keyWindow] endEditing:YES]; [s...
//去掉UItableview headerview黏性(sticky) - (void)scrollViewDidScroll:(UIScro...