Is it possible to manage the list of apps that UIDocumentInteractionController is going to present for opening my file in? Actually, I need to create black and white lists of apps.
I took a look at UIDocumentInteractionControllerDelegate but it doesn't contain the needed methods..only
- (void) documentInteractionController: (UIDocumentInteractionController *) controller willBeginSendingToApplication: (NSString *) application
and I need something like
-(BOOL)shouldPresentForOpenInApplication: (NSString *)
Actually I figured out how to do it. This is a bit like a trick but it works. All you need to do is to implement a delegate's method, like so
- (void) documentInteractionController: (UIDocumentInteractionController *) controller willBeginSendingToApplication: (NSString *) application {
BOOL isAppAllowed = YES;
// Make a decision based on app bundle identifier whether to open it or not
if (isAppAllowed) {
dispatch_async(dispatch_get_main_queue(), ^{
[self showRejectionMessage];
});
[self stopSendingFileUsingDocController:controller toApplication:application];
}
}
And the actual method in which we deceive the doc controller by substituting bad url.
-(void)stopSendingFileUsingDocController:(UIDocumentInteractionController *)controller toApplication:(NSString *)application
{
NSURL *documentURL = controller.URL;
NSString *filePath = [documentURL path];
filePath = [filePath stringByDeletingLastPathComponent];
NSString *filename = [filePath lastPathComponent];
NSMutableString *carets = [NSMutableString string];
for (NSUInteger i = 0; i < [filename length]; i++)
{
[carets appendString:@"^"];
}
#ifndef __clang_analyzer__
filePath = [filePath stringByAppendingPathComponent:carets];
NSURL *newURL = [[NSURL alloc] initFileURLWithPath:filePath];
controller.URL = newURL;
#endif
[self documentInteractionController:controller didEndSendingToApplication:application];
}