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  • iOS系统navigationBar背景色,文字颜色处理

    - (void)setRightBarButtonItem
    {
        // Create done Button
        UIBarButtonItem *doneButton = [[UIBarButtonItem alloc]initWithTitle:[NSString stringWithFormat:@"确定(%lu/%lu)", (unsigned long)self.selectedAssetURLs.count, (unsigned long)self.maximumNumberOfSelection] style:UIBarButtonItemStylePlain target:self action:@selector(done:)];
    
        [self.navigationItem setRightBarButtonItem:doneButton animated:YES];
    
        UIColor *color = [UIColor colorWithHexString:@"#fe5346"];
        CGRect frame = CGRectMake(0, 0, SCREEN_WIDTH, 64);
        UIImage *image = [UIImage imageWithColor:color withFrame:frame];
        [self.navigationController.navigationBar setBackgroundImage:image forBarMetrics:UIBarMetricsDefault];
        self.navigationController.navigationBar.tintColor    = [UIColor whiteColor];
        self.navigationController.navigationBar.barTintColor = [UIColor whiteColor];
        self.navigationController.navigationBar.titleTextAttributes = @{NSForegroundColorAttributeName : [UIColor whiteColor]};
    
        
        
        
        
    }
    - (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated
    {
        /**
         *  @author SongXing, 15-07-30 14:07:45
         *
         *  UIIMagePickerController颜色修正
         *
         */
        if ([navigationController isKindOfClass:[UIImagePickerController class]] &&
            ((UIImagePickerController *)navigationController).sourceType ==     UIImagePickerControllerSourceTypePhotoLibrary) {
            [[UIApplication sharedApplication] setStatusBarHidden:NO];
            [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:NO];
        }
        
        if (navigationController.viewControllers.count != 3) return;
        
        CGFloat screenHeight = [[UIScreen mainScreen] bounds].size.height;
        
        UIView *plCropOverlay = [viewController.view.subviews[1] subviews][0];
        
        plCropOverlay.hidden = YES;
        
        int position = 0;
        
        position = (screenHeight == 568) ? 124 : 80;
        
        CAShapeLayer *circleLayer = [CAShapeLayer layer];
        
        UIBezierPath *path2 = [UIBezierPath bezierPathWithOvalInRect:
                               CGRectMake(0.0f, position, SCREEN_WIDTH, 320.0f)];
        [path2 setUsesEvenOddFillRule:YES];
        
        [circleLayer setPath:[path2 CGPath]];
        
        [circleLayer setFillColor:[[UIColor clearColor] CGColor]];
        UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, SCREEN_WIDTH, screenHeight-72) cornerRadius:0];
        
        [path appendPath:path2];
        [path setUsesEvenOddFillRule:YES];
        
        CAShapeLayer *fillLayer = [CAShapeLayer layer];
        fillLayer.path = path.CGPath;
        fillLayer.fillRule = kCAFillRuleEvenOdd;
        fillLayer.fillColor = [UIColor clearColor].CGColor;
        fillLayer.opacity = 0.8;
        [viewController.view.layer addSublayer:fillLayer];
        
        
    }
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  • 原文地址:https://www.cnblogs.com/songxing10000/p/4884766.html
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