[英]How to implement an (iOS) action sheet but with multiple buttons in one line?
[英]Multiple Buttons in iOS as one
我需要将iOS中的多个按钮( UIButton
)组合在一起。 如果单击任一按钮,则应使用按钮ID调用单个函数,然后将调用相应的处理程序。
如何在iOS中执行此操作? 我的研究表明, UIView
可能是答案。 但是如何在印刷时自动调用相同的功能?
是的,只需将它们都绑定到同一个IBAction上,它就可以正常工作。 因此,在标题中创建-(IBAction)buttonPushed :,然后在IB中将所有按钮连接到同一动作。
-(void)buttonAction:(id)sender {
UIButton *btn = (UIButton*)sender; //We know sender will be a UIButton
switch (btn.tag) {
case 1: { /* do stuff for first button */ break; }
case 2: { /* do stuff for second button */ break; }
case 3: { /* do stuff for third button */ break; }
//Etc.
}
}
您可以像这样添加多个按钮。
UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
btn.frame = CGRectMake(10, 40, 50, 50);
[btn setTitle:@"Send" forState:UIControlStateNormal];
[btn setTag:1];
[btn addTarget:self action:@selector(sendBtnPressed:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
UIButton *btn1 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
btn.frame = CGRectMake(10, 100, 50, 50);
[btn1 setTitle:@"YES" forState:UIControlStateNormal];
[btn1 setTag:2];
[btn1 addTarget:self action:@selector(sendBtnPressed:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn1];
-(IBAction)sendBtnPressed:(id)sender
{
int tag = [(UIButton *) sender tag];
if(tag == 1)
{
}
else if (tag == 2)
{
}
}
-(IBAction) buttonClicked:
在viewcontroll.h文件中创建IBAction,然后将所有按钮与此操作连接。
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