Crash app when call setUnselectedItemTintColor from UITabBar

Question

I've tried both line bellow but it all cause [UITabBar setUnselectedItemTintColor:]: unrecognized selector sent to instance

[self.tabBar setUnselectedItemTintColor:[UIColor blackColor]];
[[UITabBar appearance] setUnselectedItemTintColor:[UIColor blackColor]];

Any suggestion?

In Quick Help tab, it shown `Availibility: iOS (10.0 and later), tvOS (10.0 and later)`. What is the number iOS version in your device? — nynohu, Nov 10 '16 at 08:01
I used a iOS 9.0 device to test. Anw, I found an answer bellow. — Jared Chu, Nov 10 '16 at 08:04

score 8 · Accepted Answer · answered Nov 10 '16 at 08:02

8

This method is available on iOS 10 only, so it will crash on previous versions. You should check method availability before calling it.

 if ([[UITabBar appearance] respondsToSelector:@selector(setUnselectedItemTintColor:)]) {
     [[UITabBar appearance] setUnselectedItemTintColor:[UIColor blackColor]];
 }

answered Nov 10 '16 at 08:02

alexburtnik

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Do you have any solution for iOS 9.0 devices? Because your code will not works with it. – Jared Chu Nov 10 '16 at 08:07
@JaredChu Check this solution for older iOS versions: http://stackoverflow.com/a/18433996/1689376 – alexburtnik Nov 10 '16 at 08:10
1

I found that the following answer works better as the appearance proxy is unreliable: http://stackoverflow.com/questions/12504304/respondstoselector-fails-for-appearance-proxy – iOSDevil Jan 04 '17 at 14:20

score 0 · Answer 2 · answered Jan 31 '18 at 12:04

Try This

if ([[UITabBar appearance] respondsToSelector:@selector(setUnselectedItemTintColor:)]) 
    {
        [[UITabBar appearance]setUnselectedItemTintColor:AppYellowColor];
    }
    else
    {
        [[UITabBarItem appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:AppYellowColor, NSForegroundColorAttributeName, nil] forState:UIControlStateNormal];
    }

Crash app when call setUnselectedItemTintColor from UITabBar

2 Answers2