How do I create a modal dialog with customisable button choices just like the "take picture or video" | "choose existing" dialog on the iPhone? Those buttons aren't normal UIButton's and I'm sure they aren't hand crafted for every app out there.
It sounds like you want to use a combination of UIActionSheet and UIImagePickerController. This code shows a popup that lets the user choose to take a photo or choose an existing one, then the UIImagePickerController pretty much does everything else:
- (IBAction)handleUploadPhotoTouch:(id)sender {
mediaPicker = [[UIImagePickerController alloc] init];
[mediaPicker setDelegate:self];
mediaPicker.allowsEditing = YES;
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:nil
delegate:self
cancelButtonTitle:@"Cancel"
destructiveButtonTitle:nil
otherButtonTitles:@"Take photo", @"Choose Existing", nil];
[actionSheet showInView:self.view];
} else {
mediaPicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
[self presentModalViewController:mediaPicker animated:YES];
}
}
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
if (buttonIndex == 0) {
mediaPicker.sourceType = UIImagePickerControllerSourceTypeCamera;
} else if (buttonIndex == 1) {
mediaPicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
}
[self presentModalViewController:mediaPicker animated:YES];
[actionSheet release];
}
NOTE: This assumes you have a member variable "mediaPicker" which keeps a reference to the UIImagePickerController
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