Question

我在UILabel中创建了一个名为NewLabel NewLabel.m的子类，代码如下

+ (NewLabel*)addLabelIntoView:(UIView*)view
{
  NewLabel *label = [[NewLabel alloc] init];
  //some codes
  [view addSubview:label];
  [NSTimer scheduledTimerWithTimeInterval:1.0f target:view selector:@selector(callActionInVC) userInfo:nil repeats:NO];
  return label;
}

并且UIViewController代码为UIViewController.m

- (void)viewDidLoad {
    [NewLabel addLabelIntoView:self.view]
}

- (void)callActionInVC {
    //do some actions
}

我想在callActionInVC中调用UIViewController.m的{{1}}函数，而在NewLabel.m中，NewLabel.m是不对的，我应该改变什么？什么是子类中UIViewController的目标？

或者有什么想法可以满足这种需求吗？

Answer 1

[NSTimer scheduledTimerWithTimeInterval:1.0f target:view selector:@selector(callActionInVC) userInfo:nil repeats:NO];错误

 [NSTimer scheduledTimerWithTimeInterval:1.0f target:<your controller> selector:@selector(callActionInVC) userInfo:nil repeats:NO];

您应该将target设置为控制器。

- (UIViewController *)fy_parentController{
    UIResponder *responder = [self nextResponder];
    while (responder) {

        if ([responder isKindOfClass:[UIViewController class]]) {
            return (UIViewController *)responder;
        }
        responder = [responder nextResponder];
    }
    return nil;
}

您可能需要创建category才能获得控制器。

[NSTimer scheduledTimerWithTimeInterval:1.0f target:view.fy_parentController selector:@selector(callActionInVC) userInfo:nil repeats:NO];

最终代码如下：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="Smoke Test" verbose="2" preserve-order="true">
    <parameter name="baseUrl" value="https:test.com"/>

    <test name="Smoke_Firefox">
        <parameter name="browser" value="firefox"/>
        <classes>
            <class name="test.TestLogin">
                <methods>
                    <include name="test_login"/>
                    <include name="test_logout"/>
                </methods>
            </class>
        </classes>
    </test>

    <test name="Smoke_Chrome">
        <parameter name="browser" value="chrome"/>
        <classes>
            <class name="test.TestLogin">
                <methods>
                    <include name="test_login"/>
                    <include name="test_logout"/>
                </methods>
            </class>
        </classes>
    </test>

    <test name="Smoke_IE">
        <parameter name="browser" value="ie"/>
        <classes>
            <class name="test.TestLogin">
                <methods>
                    <include name="test_login"/>
                    <include name="test_logout"/>
                </methods>
            </class>
        </classes>
    </test>

</suite>

如何在子类中调用UIViewController的函数？

1 个答案: