如何在导航栏中同时创建带图像和标题的后退按钮。以下是我的代码,其中图像和标题在按钮上时间不见,如何实现这个。请给我建议。图像和标题在导航栏上不显示时间后退按钮
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)#> –