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How to open a native PDF file in Android using AIR?

Jun 24, 2012 8:58 PM

Tags: #air #flex #android #mobile #stagewebview

Hello.I have created a flex mobile project to open and show a native PDF file in Android. I have tried three different methods below , but  I failed.

 

1. I created a stagewebview and used "stageWebView.loadURL". I can see the PDF View in emulator but it didn't work in Android Pad (SAMSUNG Galaxy Tab 10.1). It showed blank screen.

Note that I have installed AIR 3.3.

 

stageWebView1.loadURL(new File(new File("app:/assets/ZUGH-2P.pdf").nativePath).url);

 

2. I created a stagewebview and used stagewebview to load javascript. The javascript could run in emulator, but it didn't work in Android Pad. I failed again.

 

stageWebView1.loadURL(new File(new File("app:/assets/JavaScripthtml.html").nativePath).url);

 

3.  I imported stagewebviewbridge, which is the extended version of stagewebviewbridge. I created a stagewebviewbridge , but it could not run in emulator. I failed again.

 

 

stageWebViewbridge1.loadLocalURL( "appfile:/assets/pdf.html");
 

 

could any one give me some suggestions? Many thanks.

2495 Views   10 Replies   Latest reply: PierreSolutions, Sep 26, 2012 12:36 PM
 
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  • PierreSolutions
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    1. PierreSolutions,
    Jun 25, 2012 6:43 AM   in reply to peterpan_cafuc
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    I don't think Android supports that functionality.

    Try opening any PDF on the web with the browser on an Android device, it will download the PDF instead of displaying it.

     
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  • jrunrandy
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    2. jrunrandy,
    Jun 26, 2012 4:51 AM   in reply to PierreSolutions
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    I think that @PierreSolutions is correct. Does your app exhibit that behavior (that is, does it download the PDF?) when running on the device?

     

    Regards,

    Randy Nielsen

    Senior Content and Community Manager

    Adobe Systems Incorporated

     
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  • peterpan_cafuc
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    3. peterpan_cafuc,
    Jun 26, 2012 7:03 AM   in reply to PierreSolutions
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    Thanks a lot!

    I have tried your method, and I used "navigateToURL" to open the web with the browser. I could open a remote PDF file in http website.

    Unfortunately, I could not open the native PDF file.

    The codes are below.

     

    navigateToURL(new URLRequest("app:/assets/ZUGH-2P.pdf"),"_blank");

     

    It worked well in emulator, but failed in Android Pad. The OS alerted "file path error".

     

    Is anything wrong in my codes?

     
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  • peterpan_cafuc
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    4. peterpan_cafuc,
    Jun 26, 2012 6:47 AM   in reply to jrunrandy
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    Many thanks for your reply!

    I just want to open a native PDF file rather than a remote one .

     
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  • peterpan_cafuc
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    5. peterpan_cafuc,
    Jun 27, 2012 8:59 AM   in reply to jrunrandy
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    Dear jrunrandy,

    I have work on this problem for a long time.But I was unable to

    solve it. How can I open a native PDF file? The browser showed that

    file path was incorrect. How can I  form the right file path?My

    codes are below.

     

    navigateToURL(new URLRequest("app:/assets/ZUGH-2P.pdf"),"_blank");

     

    It worked very well in emulator, but failed in Android Pad.

    I noticed that you are an employee of  Adobe company.

    Could you please give me some suggestion in detail? Thank you very

    much.

     
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  • jrunrandy
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    6. jrunrandy,
    Jun 27, 2012 12:51 PM   in reply to peterpan_cafuc
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    @peterpan_cafuc,

    Sorry to say that I'm not sure of the answer, either.

     

    One suggestion would be to try something like File.openWithDefaultApplication(), although I've never tried it on mobile.

     

    Also, I poked around stackoverflow, and it looks like people have done this using Android Intents, but you might have to use a Native Extension  to do this in AIR.

     

    Apologies that I can't be more helpful.

    -Randy

     
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  • peterpan_cafuc
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    7. peterpan_cafuc,
    Jun 27, 2012 5:29 PM   in reply to jrunrandy
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    Dear Randy,

    I have tried the methods above, but failed.

    Thank you for your help anyway.

     

    Regards,

    Peter Pan

     
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  • jazzwhistle
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    8. jazzwhistle,
    Sep 21, 2012 1:34 AM   in reply to peterpan_cafuc
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    Has anybody found a solution to this problem? Thanks, Neil

     
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  • PierreSolutions
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    9. PierreSolutions,
    Sep 21, 2012 6:53 AM   in reply to jazzwhistle
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    I think the solution is an Android Native Extension to which you pass the path and file name. It would in turn call Android's file handling routines which would trigger the dialog asking which application should be used ... or if one was already associated with that file type, it would launch it.

     
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  • PierreSolutions
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    10. PierreSolutions,
    Sep 26, 2012 12:36 PM   in reply to PierreSolutions
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    I found such an extension here http://activeden.net/item/document-launcher-native-extension-for-andro id/2015733 I have not tried it and can't vouch for it, but it seems to do what you are looking for.

     
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