如何在導航欄中同時創建帶圖像和標題的後退按鈕。以下是我的代碼,其中圖像和標題在按鈕上時間不見,如何實現這個。請給我建議。圖像和標題在導航欄上不顯示時間後退按鈕
UIButton *nav_BackButton1=[[UIButton alloc] initWithFrame:CGRectMake(5,10 ,60, 24)];
nav_BackButton1.layer.borderColor=[[UIColor blackColor] CGColor];
nav_BackButton1.layer.borderWidth=1.0;
[nav_BackButton1 setTitle:@"Ik" forState:UIControlStateNormal];
[nav_BackButton1 setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[nav_BackButton1 setTitleEdgeInsets:UIEdgeInsetsMake(0,30, 0, 0)];
[nav_BackButton1 setImage:[UIImage imageNamed:@"ic_action_bar_up.png"] forState:UIControlStateNormal];
[nav_BackButton1 setImageEdgeInsets:UIEdgeInsetsMake(0, 0, 0, 35)];
[nav_BackButton1 addTarget:self action:@selector(backTOChoiceScreen:) forControlEvents:UIControlEventTouchUpInside];
UIBarButtonItem *backBarBtn = [[UIBarButtonItem alloc] initWithCustomView:nav_BackButton1];
self.navigationItem.leftBarButtonItem=backBarBtn;
nav_BackButton1了setBackgroundImage:<#(的UIImage *)#> forState:<#(UIControlState)#> –