iOS通过UIDocumentInteractionController实现应用间传文件

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd" >
<plist version="1.0" >
    <dict>
        <key> CFBundleDocumentTypes </key>
        <array>
            <dict>
                <key> LSHandlerRank </key>
                <string> Default </string>
                <key> LSItemContentTypes </key>
                <array>
                <string> com.adobe.pdf </string>
                    <string> public.data </string>
                    <string> com.microsoft.powerpoint.ppt </string>
                    <string> public.item </string>
                    <string> com.microsoft.word.doc </string>
                    <string> com.adobe.pdf </string>
                    <string> com.microsoft.excel.xls </string>
                    <string> public.image </string>
                    <string> public.content </string>
                    <string> public.composite-content </string>
                    <string> public.archive </string>
                    <string> public.audio </string>
                    <string> public.movie </string>
                </array>
            </dict>
        </array>
    </dict>
</plist>

self.documentInteractionController = [UIDocumentInteractionController interactionControllerWithURL:fileUrl];
self.documentInteractionController.delegate = self;
[self.documentInteractionController presentOpenInMenuFromRect:CGRectZero inView:self.view animated:YES];

- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options
{
    if ([url.scheme isEqualToString:@"file"]) {
        NSString * replaceStr;
        #if TARGET_IPHONE_SIMULATOR//模拟器
        replaceStr = @"file://";
        #elif TARGET_OS_IPHONE//真机
        replaceStr = @"file:///private";
        #endif
        NSString * filePathStr = [[NSString stringWithFormat:@"%@",url] stringByReplacingOccurrencesOfString:replaceStr withString:@""];
        /** 业务逻辑 **/
    }
    return YES;
}