如何添加到 Xcode 中的 int
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How to add to an int in Xcode
提问by Wesley Smith
Seems like this should be about the simplest thing you could do with an int but I cant seem to find anything showing how to do it. Tried google but I get a million hits all of which are way more in depth than what im trying to understand.
似乎这应该是你可以用 int 做的最简单的事情，但我似乎找不到任何显示如何做的东西。尝试过谷歌，但我得到了一百万次点击，所有这些都比我试图理解的更深入。
What I want to do is have an integer and as something happens (button press, image moved, whatever) I want to add 1 to this integer and have a separate method, when its called, check the integer and preform one of several actions depending on the value.
我想要做的是有一个整数，当发生某些事情时（按下按钮，移动图像，等等）我想在这个整数上加 1 并有一个单独的方法，当它被调用时，检查整数并根据几个动作执行一个在价值上。
I know how to do all of this except add 1 to the int?
除了将 1 添加到 int 之外，我知道如何执行所有这些操作？
I know this must be a crazy stupid question for you guys, anybody care to throw me a bone?
我知道这对你们来说一定是一个疯狂的愚蠢问题，有人愿意向我扔骨头吗？
回答by Dale Myers
int i = 4;
i++;
Is that what you are looking for?
这就是你要找的吗？
回答by Paresh Navadiya
Declare int index in .h file
在 .h 文件中声明 int 索引
Now on click of button:
现在点击按钮：
-(void)btnClicked:(id)sender
{
index++;
}
Any other method image moved then
然后移动的任何其他方法图像
index++;
Now perform action like this:
现在执行如下操作：
-(void)performAction:(int)index
{
switch(index)
{
//make case depending on number
case : 1
{
// do something here on index 1
}
break;
.....
.....
.....
default
{
// do something here if not that index
}
break;
}
}
回答by Asciiom
You should add a NSUInteger property to the UIViewController where the actons that you want to count take place. Then as a first step of each action you can add 1 to that property.
你应该向 UIViewController 添加一个 NSUInteger 属性，你想要计算的动作发生在那里。然后作为每个操作的第一步，您可以向该属性添加 1。
@interface MyViewController extends UIViewController
@property (nonatomic) NSUInteger actionCounter;
@end
@implementation MyViewController
@synthesize actionCounter;
//in your actions here, add one to actionCounter
-(void) IBAction doSomething{
self.actionCounter++;
//do the actual action here
}
//in your check method, read the actionCounter value and do something
-(void) checkActionCount{
if(self.actionCounter => 1){
NSLog(@"User did something");
}
}
@end
