在导航栏中添加多个按钮

Question

任何人都可以帮我在导航栏的右侧栏添加多个自定义按钮.如果可能,请回答详细代码,以便我能够正确理解.

Answer 1

//在导航栏中添加一个正确的btn

UIView *customView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 75.0f, 30.0f)];

UIButton *btn1 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[btn1 setFrame:CGRectMake(0.0f, 0.0f, 30.0f, 30.0f)];
[btn1 setTitle:@"1" forState:UIControlStateNormal];
[btn1 addTarget:self action:@selector(btn1Tap:) forControlEvents:UIControlEventTouchUpInside];
[customView addSubview:btn1];

UIButton *btn2 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[btn2 setFrame:CGRectMake(35.0f, 0.0f, 30.0f, 30.0f)];
[btn2 setTitle:@"2" forState:UIControlStateNormal];
[btn2 addTarget:self action:@selector(btn2Tap:) forControlEvents:UIControlEventTouchUpInside];
[customView addSubview:btn2];

UIBarButtonItem *rightBtn = [[UIBarButtonItem alloc] initWithCustomView:customView];
[self.navigationItem setRightBarButtonItem:rightBtn];