how to implement cross-component upload progressbar in AngularDart - file-upload

I have been implementing a small AngularDart projecjt which contains serveral components. One of those components can upload file to server. I would like to implement an upload progressbar that keep upload the file and show upload progress while user navigate to other components. (like other file upload website such as Dropbox, Google Drive. User can go to other section of website while the uploading keep working). Is there any guide or solution to implement such functiionality? (For now, I can implement asynchronous upload and progressbar yet.The Problem is get it to work across components.)
Thanks for any help. :)
PS. sorry for my broken English.

You can implement your GUI in a view and place it using ng-view. When you put your progress bar outside the of the ng-view it should stay on the screen when the view changes.

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Example or template on how to do file upload in Google AppMaker

can anyone share with me the .zip file for Document Approval template because I can't open it since I'm not using GCS but I wanted to go through how they using Drive Picker widget to upload file and so on.
another thing is, where the file will be uploaded to? is it the owner's Drive? is it possible to upload the document to a single folder of a Team Drive instead? Really appreciate it if anyone can share with me some thoughts or any API will do, Thanks!
The only way to upload files that App Maker provides out of the box is Drive Picker widget and by default it uploads files to current user's Drive root folder. Drive Picker's API allows to change default upload folder, however App Maker doesn't expose the setting at this time. But it has onPickerInit event that provides you with pickerBuilder that you can use to customize your the picker:
// onPickerInit Drive Picker's event handler
var uploadView = new google.picker.DocsUploadView();
uploadView.setParent('ID of the folder to upload to');
pickerBuilder.addView(uploadView);
This trick works both for personal and Team Drive folders.
Note
It seems that setParent works only in combination with MULTISELECT_ENABLED drive picker feature enabled.
Right now, looks appmaker seems to ALWAYS adds an upload tab itself, so if I add another uploadview, I end up with two upload tabs, the first one uploading to the main folder and selected by default :(
My best guess for a workaround is to not add my own upload view, let the picker upload the file to the main folder, and move the file in the onSelect hook to its final destination. If there's a better way, I'd love the hear.

Edit and upload Game Center achievements and leaderboard using Application Loader

Since it's possible to download Game Center metadata through Transporter into a .itmsp package file, how would you edit and upload that file using Application Loader? I see no interface for Game Center metadata in Application Loader. Application Loader is default app to open .itmsp packages. Did I miss something?
At worst best I guess it could be possible to edit the contained .xml file, add a few achievements, and then try to upload that into iTunes Connect using Application Loader.
If you make a lookup on an existing app inside your Itunes account, you download a file called like like the vendor_id with the .itmsp format. My experience was, opening this file by double clicking inside the Application Loaderjust changes the data inside this archive.
In my case, an additional file was created called something like meta-local... and the metadata.xml from Itunes Connect has been changed. It's like the Application Loader deletes information like description, keywords, url`s, screenshots and all the data you have to define the first time you create the app before uploading the binary.
Instead of using the Application Loader you should open the .itmsp file by right clicking and selecting show package content. This way nothing will be changed and you can open the metadata and change specific data.
I don't have Game Center elements included in my app yet but I did some researches on tools which could automate the process of generating and changing data. Have a look at these projects, the first one looks like it could be exactly what you're looking for:
iTunes Transporter Generator
iTunes Store Connector
iTunes Store Transporter Web
If not maybe you could create an Apple Script to parse the metadata.xml and add or change your data.
I would appreciate if you could leave a comment if any of these tools could help you with the Game Center problem.

Integrate Dropbox app in my app

So, this is the task I want to achieve. In my app, I have a text field which displays a list of all the apps and files that are present in my iOS device. One of them will be dropbox. When I tap on drop box, it should open the dropbox app and ask for user credentials. Once the user enters his credentials, it should save them and it shouldn't ask the next time he logs in again. Now, in that textbox that I mentioned earlier, I should get the list of the files that are there in my dropbox folder.
I'm new to iOS app development stuff so any help in the form of links, documentation will help alot. Please give me a brief idea on how to achieve this task.
Since you said links:
Tutorial Links
http://www.mathiastauber.com/integration-o-dropbox-in-your-ios-application/
http://www.mathiastauber.com/integration-of-dropbox-in-your-ios-application-authentication/
http://programmaticallytakingscreenshot.blogspot.com/2011/04/dropbox-integration-in-iphone.html
Dropbox Links
http://www.dropbox.com/developers/apps
https://www.dropbox.com/developers/start/setup#ios
You should consider using Table Views to show your data instead of Text Fields.
http://www.appcoda.com/ios-programming-tutorial-create-a-simple-table-view-app/
Apple Documentation on Table Views:
http://developer.apple.com/library/ios/#documentation/userexperience/conceptual/tableview_iphone/AboutTableViewsiPhone/AboutTableViewsiPhone.html
Good luck with this!
What you are proposing violates the sandboxing principle of iOS. Apps don't know about anything outside their own documents folder, and do not have permission to read or write outside the area.
Files stored in Dropbox are accessible via the Dropbox API, so you will be able to achieve that part of your design, but most of the other apps on the device will not be visible or accessible to you.

Multiple photo upload using struts1

We happened to get requirement to upload the multiple files ( like the gmail attachments ) using struts 1.3.5 and Ajax.
I happened to go thorough lot of resources but no luck.
Can someone shed light on this possibly by suggesting or pointing to some useful resources.
I was also looking for a multiple file upload solution for my struts2 application. Since ajax form submit do not support image submission the only option to use was a hidden iframe strategy. However, i found this wonderful plugin which uploads multiple files withour reloading the page and also shows a cool progress bar. The best thing about this plugin is that it doesn't uses flash and works on IE too. I strongly recommend using this plugin
Donot use taglibrary defined file upload for uploading. You can still use
common- fileupload to handle file upload. By doing this you can dynamically
add one more input type file element below the current input type upload using
javascript. I doubt if there is any way to do this using pure struts 1.3.5 :) .