How to open the file? Many types of files, check the type and call app to open it.

HI.everyone.

I am doing a project like dropbox.

The problem is:

server-side has several files of different types.

such as: word, excel, file, file pdf image and so on.

After the file is downloaded.

How do I know what app is the type of file.

and call this app to open the file?

I can get the file type of the file name extension.

But I do not know how to find the application that can open this file.

or if this device have any application can open the file. Then, it will show you an alter.

like dropbox app.

Please help me.

Thank you very much.

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Hello

For above 4.3 and higher, you can use API call to achieve this. In regards to my understanding, it works as follows (Please correct if I am wrong).

-All files (PDF, excel etc) readers save with BONE graft as "I am able to open the file whose mime the type XXX.

- So, when you pass the path to the API Invocation, it searches for reader app there is place and request that you open the file. (I know not if more a reader installed in the device that achieved reference)

Here's the code that worked for me,

Invocation invocation = new  Invocation();
invocation.setAction(ContentHandler.ACTION_OPEN);
Registry registry = Registry.getRegistry("");
registry.invoke(invocation);

If none of the application saved in the requested file format it then throws the exception.

Another option is to pass the path to the browser by using the private API to display the files...

Let me know if it works for you...

Thank you

Tags: BlackBerry Developers

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