一.头文件
#import <UIKit/UIKit.h> @interface ChaosStatusBarHUD : NSObject
/** 显示成功信息 */
+ (void)showSuccess:(NSString *)str;
/** 显示失败信息 */
+ (void)showError:(NSString *)str;
/** 显示正在加载的信息 */
+ (void)showLoading:(NSString *)str;
/** 隐藏 */
+ (void)hide;
/** 显示纯文本 */
+ (void)showMessage:(NSString *)str;
/** 自定义图标 文字 */
+ (void)showMessage:(NSString *)str withImage:(UIImage *)image;
@end
二.实现.m文件
#import "ChaosStatusBarHUD.h" #define ChaosWindowH 20
#define ChaosScreenW [UIScreen mainScreen].bounds.size.width @implementation ChaosStatusBarHUD static NSTimer *timer_;
static UIWindow *window_; + (void)showWindow
{
// 首先结束之前的定时器
[timer_ invalidate];
UIWindow *window = [[UIWindow alloc] init];
window.backgroundColor = [UIColor blackColor];
window.windowLevel = UIWindowLevelStatusBar;
window.hidden = NO;
window_ = window;
window.frame = CGRectMake(, -ChaosWindowH, ChaosScreenW, ChaosWindowH); // 动画效果
[UIView animateWithDuration:0.25 animations:^{ window.frame = CGRectMake(, , ChaosScreenW, ChaosWindowH);
}];
}
/** 自定义图标 文字 */
+ (void)showMessage:(NSString *)str withImage:(UIImage *)image
{
// 创建窗体
[self showWindow];
// 添加按钮
UIButton *button = [[UIButton alloc] init];
button.frame = window_.bounds;
[button setImage:image forState:UIControlStateNormal];
[button setTitle:str forState:UIControlStateNormal];
button.titleEdgeInsets = UIEdgeInsetsMake(, , , );
button.titleLabel.font = [UIFont systemFontOfSize:];
[window_ addSubview:button]; // 两秒后结束动画
timer_ = [NSTimer scheduledTimerWithTimeInterval:2.0 target:self selector:@selector(hide) userInfo:nil repeats:NO];
} /** 显示纯文本 */
+ (void)showMessage:(NSString *)str
{
[self showMessage:str withImage:nil];
} /** 显示成功信息 */
+ (void)showSuccess:(NSString *)str
{
[self showMessage:str withImage:[UIImage imageNamed:@"success"]];
} /** 显示失败信息 */
+ (void)showError:(NSString *)str
{
[self showMessage:str withImage:[UIImage imageNamed:@"error"]];
} /** 显示正在加载的信息 */
+ (void)showLoading:(NSString *)str
{
// 停止定时器
[timer_ invalidate];
timer_ = nil;
// 创建窗口
[self showWindow];
// 添加按钮
UIButton *button = [[UIButton alloc] init];
button.frame = window_.bounds;
[button setTitle:str forState:UIControlStateNormal];
button.titleLabel.font = [UIFont systemFontOfSize:];
[window_ addSubview:button];
// 计算按钮文字宽度
CGFloat titleWidth = [str sizeWithAttributes:@{NSFontAttributeName : [UIFont systemFontOfSize:]}].width;
// 计算菊花的X值
CGFloat x = (ChaosScreenW - * titleWidth) * 0.5;
// 计算loadingView的Y值
CGFloat y = window_.frame.size.height * 0.5;
UIActivityIndicatorView *loadingView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
[loadingView startAnimating];
[window_ addSubview:loadingView];
loadingView.center = CGPointMake(x, y);
} /** 隐藏 */
+ (void)hide
{
// 动画效果
[UIView animateWithDuration:0.25 animations:^{ window_.frame = CGRectMake(, -, ChaosScreenW, ChaosWindowH);
} completion:^(BOOL finished) { timer_ = nil;
window_ = nil;
}];
}
@end