我的代码有问题,我有两个UIAlertViews代码块,一个带取消和ok按钮,另一个带UI
ImagePicker
-(IBAction)publicaPeticion
{
if([txtPeticion hasText] )
{
UIAlertView *alerta = [[UIAlertView alloc]
initWithTitle:@"Confirmación de Compra"
message:@"Deseas comprar la petición por $12.00"
delegate:self
cancelButtonTitle:@"Cancelar"
otherButtonTitles:@"Aceptar",nil];
[alerta show];
}
}
问题出在publicaPeticion和cargaImagen之间
-(IBAction)cargaImagen
{
UIAlertView *alert = [[UIAlertView alloc]
initWithTitle:@"Subir una imagen"
message:@"¿De donde deseas subir una imagen?"
delegate:self
cancelButtonTitle:@"Cancelar"
otherButtonTitles:@"Desde el equipo",@"Tomar con camara",nil];
[alert show];
}
-(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
if(buttonIndex == 1)
{
picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
[self presentModalViewController:picker animated:YES];
}
if(buttonIndex ==2)
{
picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
[self presentModalViewController:picker animated:YES];
}
}
问题是,当我按下“Aceptar”按钮(OK)时,它会将我从照片库中上传图片…
也许是一个有点傻的问题,但我怎么能区分它？
解决方法
几种方式.
1)
-(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
从alertView参数中,您可以确定调用哪个警报(如果您将cargaImagen和publicaPeticion的警报视图设置为单独的实例变量).
2)
您可以做的另一件事(也可能更容易)是在alertView上设置标签属性.
在您的’cargaImagen’方法中以及创建UIAlert之后,通过alert.tag = 1;将标记设置为1.
然后,在alertView：clickedButtonAtIndex：委托方法中,当alertView.tag == 1时,你会知道它来自cargaImagen,如果它是2(或零),你知道它来自publicaPeticion.