错误的大小 setSelectionIndicatorImage

本文介绍了错误的大小 setSelectionIndicatorImage的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

美好的一天！我在标签栏中放了一张图片，但它的尺寸错误.帮我解决问题.我想填满整个Item.

Good day! I put a picture in a tab bar but it has wrong sizes. Help me solve the problem.I want to fill the entire Item.

+ (void)setupTabBarAppearance
{
     [[UITabBar appearance] setBarTintColor:[UIColor colorWithRed:30.0f/255.0f green:201.0f/255.0f blue:224.0f/255.0f alpha:1]];

     UIImage *image = [[self imageWithColor:[UIColor colorWithRed:255.0f/255.0f green:198.0f/255.0f blue:25.0f/255.0f alpha:1]] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0, 1, 2) resizingMode:UIImageResizingModeStretch];
     [[UITabBar appearance] setSelectionIndicatorImage:image];
}

推荐答案

我解决了这个问题你需要正确计算图像；

I solved this problem you need to properly calculate image;

+ (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size
{
    CGRect rect = CGRectMake(0, 0, size.width, size.height); //  <- Here
    // Create a 1 by 1 pixel context
    UIGraphicsBeginImageContextWithOptions(rect.size, NO, 0);
    [color setFill];
    UIRectFill(rect);   // Fill it with your color
    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();

    return image;
}

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