开源提示框SVProgressHUD使用备忘录

[cpp]
//  
//  SVProgressHUD.h  
//  
//  Created by Sam Vermette on 27.03.11.  
//  Copyright 2011 Sam Vermette. All rights reserved.  
//  
//  https://github.com/samvermette/SVProgressHUD  
//  
 
#import <UIKit/UIKit.h>  
#import <AvailabilityMacros.h>  
 
enum { 
    SVProgressHUDMaskTypeNone = 1, // allow user interactions while HUD is displayed(允许用户进行其他界面操作)  
    SVProgressHUDMaskTypeClear,    // don't allow（不允许用户进行其他界面操作）  
    SVProgressHUDMaskTypeBlack,    // don't allow and dim the UI in the back of the HUD（不允许用户进行其他界面操作）  
    SVProgressHUDMaskTypeGradient  // don't allow and dim the UI with a a-la-alert-view bg gradient（不允许用户进行其他界面操作）  
}; 
 
typedef NSUInteger SVProgressHUDMaskType; 
 
@interface SVProgressHUD : UIView 
 
// 下列函数展示提示框  
+ (void)show; 
+ (void)showWithStatus:(NSString*)status; 
+ (void)showWithStatus:(NSString*)status maskType:(SVProgressHUDMaskType)maskType; 
+ (void)showWithMaskType:(SVProgressHUDMaskType)maskType; 
 
+ (void)showSuccessWithStatus:(NSString*)string; 
+ (void)showSuccessWithStatus:(NSString *)string duration:(NSTimeInterval)duration; 
+ (void)showErrorWithStatus:(NSString *)string; 
+ (void)showErrorWithStatus:(NSString *)string duration:(NSTimeInterval)duration; 
 
// 改变当前正在展示的提示框文字  
+ (void)setStatus:(NSString*)string; // change the HUD loading status while it's showing  
 
// 下列函数关闭当前提示  
+ (void)dismiss; // simply dismiss the HUD with a fade+scale out animation  
+ (void)dismissWithSuccess:(NSString*)successString; // also displays the success icon image  
+ (void)dismissWithSuccess:(NSString*)successString afterDelay:(NSTimeInterval)seconds; 
+ (void)dismissWithError:(NSString*)errorString; // also displays the error icon image  
+ (void)dismissWithError:(NSString*)errorString afterDelay:(NSTimeInterval)seconds; 
 
+ (BOOL)isVisible; 
 
@end 

//
//  SVProgressHUD.h
//
//  Created by Sam Vermette on 27.03.11.
//  Copyright 2011 Sam Vermette. All rights reserved.
//
//  https://github.com/samvermette/SVProgressHUD
//

#import <UIKit/UIKit.h>
#import <AvailabilityMacros.h>

enum {
    SVProgressHUDMaskTypeNone = 1, // allow user interactions while HUD is displayed(允许用户进行其他界面操作)
    SVProgressHUDMaskTypeClear,    // don't allow（不允许用户进行其他界面操作）
    SVProgressHUDMaskTypeBlack,    // don't allow and dim the UI in the back of the HUD（不允许用户进行其他界面操作）
    SVProgressHUDMaskTypeGradient  // don't allow and dim the UI with a a-la-alert-view bg gradient（不允许用户进行其他界面操作）
};

typedef NSUInteger SVProgressHUDMaskType;

@interface SVProgressHUD : UIView

// 下列函数展示提示框
+ (void)show;
+ (void)showWithStatus:(NSString*)status;
+ (void)showWithStatus:(NSString*)status maskType:(SVProgressHUDMaskType)maskType;
+ (void)showWithMaskType:(SVProgressHUDMaskType)maskType;

+ (void)showSuccessWithStatus:(NSString*)string;
+ (void)showSuccessWithStatus:(NSString *)string duration:(NSTimeInterval)duration;
+ (void)showErrorWithStatus:(NSString *)string;
+ (void)showErrorWithStatus:(NSString *)string duration:(NSTimeInterval)duration;

// 改变当前正在展示的提示框文字
+ (void)setStatus:(NSString*)string; // change the HUD loading status while it's showing

// 下列函数关闭当前提示
+ (void)dismiss; // simply dismiss the HUD with a fade+scale out animation
+ (void)dismissWithSuccess:(NSString*)successString; // also displays the success icon image
+ (void)dismissWithSuccess:(NSString*)successString afterDelay:(NSTimeInterval)seconds;
+ (void)dismissWithError:(NSString*)errorString; // also displays the error icon image
+ (void)dismissWithError:(NSString*)errorString afterDelay:(NSTimeInterval)seconds;

+ (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 <QuartzCore/QuartzCore.h>  
 
@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)s

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