取消按钮在iPhone短信集成中不起作用
我对实现委托方法非常陌生。我正在实现短信应用程序。我能够打开sms委托方法并查看“收件人”和“发送”选项,但当我尝试返回到main时,它不起作用。我的代码如下,请帮助我取消按钮在iPhone短信集成中不起作用,iphone,objective-c,Iphone,Objective C,我对实现委托方法非常陌生。我正在实现短信应用程序。我能够打开sms委托方法并查看“收件人”和“发送”选项,但当我尝试返回到main时,它不起作用。我的代码如下,请帮助我 - (void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result { message.hidden = NO; switch (res
- (void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result {
message.hidden = NO;
switch (result)
{
case MessageComposeResultCancelled:
message.text = @"Result: canceled";
NSLog(@"Result: canceled");
break;
case MessageComposeResultSent:
message.text = @"Result: sent";
NSLog(@"Result: sent");
break;
case MessageComposeResultFailed:
message.text = @"Result: failed";
NSLog(@"Result: failed");
break;
default:
message.text = @"Result: not sent";
NSLog(@"Result: not sent");
break;
}
[self dismissModalViewControllerAnimated:YES];
}
我猜这段代码不会被调用,因为您忘记分配MFMessageComposeViewController的委托 查看创建messagecomposer的代码部分,看看是否有这样的调用:
picker.messageComposeDelegate=self代码>
如果它不在那里,你必须添加它。否则,编写器无法调用您的委托函数。您正在设置委托,而不是消息ComposeDeleteGate。尝试替换picker.delegate=self代码>带有picker.messageComposeDelegate=self代码>