开源提示框SVProgressHUD使用备忘录 (二)

+ (BOOL)isVisible;

@end

[cpp]
//
// SVProgressHUD.m
//
// Created by Sam Vermette on 27.03.11.
// Copyright 2011 Sam Vermette. All rights reserved.
//
// https://github.com/samvermette/SVProgressHUD
//

#import "SVProgressHUD.h"
#import

@interface SVProgressHUD ()

@property (nonatomic, readwrite) SVProgressHUDMaskType maskType;
@property (nonatomic, strong, readonly) NSTimer *fadeOutTimer;

@property (nonatomic, strong, readonly) UIWindow *overlayWindow;
@property (nonatomic, strong, readonly) UIView *hudView;
@property (nonatomic, strong, readonly) UILabel *stringLabel;
@property (nonatomic, strong, readonly) UIImageView *imageView;
@property (nonatomic, strong, readonly) UIActivityIndicatorView *spinnerView;

@property (nonatomic, readonly) CGFloat visibleKeyboardHeight;

- (void)showWithStatus:(NSString*)string maskType:(SVProgressHUDMaskType)hudMaskType networkIndicator:(BOOL)show;
- (void)setStatus:(NSString*)string;
- (void)registerNotifications;
- (void)moveToPoint:(CGPoint)newCenter rotateAngle:(CGFloat)angle;
- (void)positionHUD:(NSNotification*)notification;

- (void)dismiss;
- (void)dismissWithStatus:(NSString*)string error:(BOOL)error;
- (void)dismissWithStatus:(NSString*)string error:(BOOL)error afterDelay:(NSTimeInterval)seconds;

@end


@implementation SVProgressHUD

@synthesize overlayWindow, hudView, maskType, fadeOutTimer, stringLabel, imageView, spinnerView, visibleKeyboardHeight;

- (void)dealloc {
self.fadeOutTimer = nil;
[[NSNotificationCenter defaultCenter] removeObserver:self];
}


+ (SVProgressHUD*)sharedView {
static dispatch_once_t once;
static SVProgressHUD *sharedView;
dispatch_once(&once, ^ { sharedView = [[SVProgressHUD alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; });
return sharedView;
}


+ (void)setStatus:(NSString *)string {
[[SVProgressHUD sharedView] setStatus:string];
}

#pragma mark - Show Methods

+ (void)show {
[[SVProgressHUD sharedView] showWithStatus:nil maskType:SVProgressHUDMaskTypeNone networkIndicator:NO];
}

+ (void)showWithStatus:(NSString *)status {
[[SVProgressHUD sharedView] showWithStatus:status maskType:SVProgressHUDMaskTypeNone networkIndicator:NO];
}

+ (void)showWithMaskType:(SVProgressHUDMaskType)maskType {
[[SVProgressHUD sharedView] showWithStatus:nil maskType:maskType networkIndicator:NO];
}

+ (void)showWithStatus:(NSString*)status maskType:(SVProgressHUDMaskType)maskType {
[[SVProgressHUD sharedView] showWithStatus:status maskType:maskType networkIndicator:NO];
}

+ (void)showSuccessWithStatus:(NSString *)string {
[SVProgressHUD showSuccessWithStatus:string duration:1];
}

+ (void)showSuccessWithStatus:(NSString *)string duration:(NSTimeInterval)duration {
[SVProgressHUD show];
[SVProgressHUD dismissWithSuccess:string afterDelay:duration];
}

+ (void)showErrorWithStatus:(NSString *)string {
[SVProgressHUD showErrorWithStatus:string duration:1];
}

+ (void)showErrorWithStatus:(NSString *)string duration:(NSTimeInterv