狀態欄動畫切換效果

狀態欄動畫切換效果

效果

源碼

https://github.com/YouXianMing/iOS-Project-Examples 中的 StatusBarAnimation

//
//  StatusBarValue.h
//  StatusBarAnimation
//
//  Created by YouXianMing on 16/7/18.
//  Copyright © 2016年 YouXianMing. All rights reserved.
//

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

@interface StatusBarValue : NSObject

@property (nonatomic, weak) UIViewController *controller;

/**
 *  Default value is UIStatusBarAnimationFade.
 */
@property (nonatomic) UIStatusBarAnimation animationType;

/**
 *  Default value is UIStatusBarStyleDefault.
 */
@property (nonatomic) UIStatusBarStyle     style;

/**
 *  Default value is NO.
 */
@property (nonatomic) BOOL                 hidden;

/**
 *  SetNeedsStatusBarAppearanceUpdate
 *
 *  @param animated Animated or not.
 *  @param duration Animation's duration.
 */
- (void)statusBarAppearanceUpdateAnimated:(BOOL)animated duration:(NSTimeInterval)duration;

#pragma mark - Constructor

+ (instancetype)statusBarValueWithController:(UIViewController *)controller;

@end

//
//  StatusBarValue.m
//  StatusBarAnimation
//
//  Created by YouXianMing on 16/7/18.
//  Copyright © 2016年 YouXianMing. All rights reserved.
//

#import "StatusBarValue.h"

@implementation StatusBarValue

- (instancetype)init {
    
    if (self = [super init]) {
    
        self.animationType = UIStatusBarAnimationFade;
        self.style         = UIStatusBarStyleDefault;
        self.hidden        = NO;
    }
    
    return self;
}

- (void)statusBarAppearanceUpdateAnimated:(BOOL)animated duration:(NSTimeInterval)duration {

    if (self.controller) {
        
        if (animated) {
         
            [UIView animateWithDuration:duration > 0 ? duration : 0.35f animations:^{
                
                [self.controller setNeedsStatusBarAppearanceUpdate];
            }];
            
        } else {
        
            [self.controller setNeedsStatusBarAppearanceUpdate];
        }
    }
}

+ (instancetype)statusBarValueWithController:(UIViewController *)controller {

    StatusBarValue *value = [[[self class] alloc] init];
    value.controller      = controller;
    
    return value;
}

@end