[問題] 自訂UIBarButtonItem
我試圖用Appearance去更改UIBarButtonItem的底圖
Code：
UIImage *barButtonItem = [UIImage imageNamed:@"header-btn.png"];
[[UIBarButtonItem appearance] setBackgroundImage:barButtonItem
forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
UIBarButtonItem *barBtn = [[UIBarButtonItem alloc] initWithImage:
barButtonItem style:UIBarButtonItemStylePlain
target:self.navigationController.parentViewController
action:@selector(revealToggle:) ];
結果跑出來長這樣XD
http://i.imgur.com/hLJ71.png
請問我該怎麼樣讓他正常顯示呢..Orz
PS. header-btn.png 是 40x30的正常大小
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