一.头文件
1 #import <UIKit/UIKit.h> 2 3 @interface ChaosStatusBarHUD : NSObject 4 /** 显示成功信息 */ 5 + (void)showSuccess:(NSString *)str; 6 /** 显示失败信息 */ 7 + (void)showError:(NSString *)str; 8 /** 显示正在加载的信息 */ 9 + (void)showLoading:(NSString *)str; 10 /** 隐藏 */ 11 + (void)hide; 12 /** 显示纯文本 */ 13 + (void)showMessage:(NSString *)str; 14 /** 自定义图标 文字 */ 15 + (void)showMessage:(NSString *)str withImage:(UIImage *)image; 16 @end
二.实现.m文件
1 #import "ChaosStatusBarHUD.h" 2 3 #define ChaosWindowH 20 4 #define ChaosScreenW [UIScreen mainScreen].bounds.size.width 5 6 @implementation ChaosStatusBarHUD 7 8 static NSTimer *timer_; 9 static UIWindow *window_; 10 11 12 + (void)showWindow 13 { 14 // 首先结束之前的定时器 15 [timer_ invalidate]; 16 UIWindow *window = [[UIWindow alloc] init]; 17 window.backgroundColor = [UIColor blackColor]; 18 window.windowLevel = UIWindowLevelStatusBar; 19 window.hidden = NO; 20 window_ = window; 21 window.frame = CGRectMake(0, -ChaosWindowH, ChaosScreenW, ChaosWindowH); 22 23 // 动画效果 24 [UIView animateWithDuration:0.25 animations:^{ 25 26 window.frame = CGRectMake(0, 0, ChaosScreenW, ChaosWindowH); 27 }]; 28 } 29 /** 自定义图标 文字 */ 30 + (void)showMessage:(NSString *)str withImage:(UIImage *)image 31 { 32 // 创建窗体 33 [self showWindow]; 34 // 添加按钮 35 UIButton *button = [[UIButton alloc] init]; 36 button.frame = window_.bounds; 37 [button setImage:image forState:UIControlStateNormal]; 38 [button setTitle:str forState:UIControlStateNormal]; 39 button.titleEdgeInsets = UIEdgeInsetsMake(0, 20, 0, 0); 40 button.titleLabel.font = [UIFont systemFontOfSize:13]; 41 [window_ addSubview:button]; 42 43 // 两秒后结束动画 44 timer_ = [NSTimer scheduledTimerWithTimeInterval:2.0 target:self selector:@selector(hide) userInfo:nil repeats:NO]; 45 } 46 47 /** 显示纯文本 */ 48 + (void)showMessage:(NSString *)str 49 { 50 [self showMessage:str withImage:nil]; 51 } 52 53 /** 显示成功信息 */ 54 + (void)showSuccess:(NSString *)str 55 { 56 [self showMessage:str withImage:[UIImage imageNamed:@"success"]]; 57 } 58 59 /** 显示失败信息 */ 60 + (void)showError:(NSString *)str 61 { 62 [self showMessage:str withImage:[UIImage imageNamed:@"error"]]; 63 } 64 65 /** 显示正在加载的信息 */ 66 + (void)showLoading:(NSString *)str 67 { 68 // 停止定时器 69 [timer_ invalidate]; 70 timer_ = nil; 71 // 创建窗口 72 [self showWindow]; 73 // 添加按钮 74 UIButton *button = [[UIButton alloc] init]; 75 button.frame = window_.bounds; 76 [button setTitle:str forState:UIControlStateNormal]; 77 button.titleLabel.font = [UIFont systemFontOfSize:13]; 78 [window_ addSubview:button]; 79 // 计算按钮文字宽度 80 CGFloat titleWidth = [str sizeWithAttributes:@{NSFontAttributeName : [UIFont systemFontOfSize:13]}].width; 81 // 计算菊花的X值 82 CGFloat x = (ChaosScreenW - 2 * titleWidth) * 0.5; 83 // 计算loadingView的Y值 84 CGFloat y = window_.frame.size.height * 0.5; 85 UIActivityIndicatorView *loadingView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite]; 86 [loadingView startAnimating]; 87 [window_ addSubview:loadingView]; 88 loadingView.center = CGPointMake(x, y); 89 } 90 91 /** 隐藏 */ 92 + (void)hide 93 { 94 // 动画效果 95 [UIView animateWithDuration:0.25 animations:^{ 96 97 window_.frame = CGRectMake(0, -20, ChaosScreenW, ChaosWindowH); 98 } completion:^(BOOL finished) { 99 100 timer_ = nil; 101 window_ = nil; 102 }]; 103 } 104 @end