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From "Filip Maj (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CB-2533) App crashes after taking a picture with the camera
Date Fri, 06 Jan 2017 13:52:59 GMT

     [ https://issues.apache.org/jira/browse/CB-2533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Filip Maj resolved CB-2533.
---------------------------
    Resolution: Fixed

> App crashes after taking a picture with the camera
> --------------------------------------------------
>
>                 Key: CB-2533
>                 URL: https://issues.apache.org/jira/browse/CB-2533
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Android
>    Affects Versions: 2.4.0
>         Environment: Samsung Galaxy S3, Android 4.1.1
>            Reporter: Dean Kooiman
>            Assignee: Filip Maj
>            Priority: Trivial
>
> Hi,
> I found a bug in cordova during tests on my Samsung Galaxy S3 with android 4.1.1 
> I have tried using both camera.getPicture as well as capture.captureImage
> In both cases the CameraLauncher successfully starts.  
> Both functions only succeed when the user takes a picture in landscape mode (phone is
horizontal). When the picture is taken in portrait mode (phone vertical) the application will
fail with a NPE in DroidGap, this is due to DroidGap loosing its reference to the activityResultCallback
when its orientation changes.
> I am able to reproduce this using the default creation and camera examples:
> 1. Create the project: C:\Programming\cordova\cordova-android\framework>bin\create
C:\Users\dean\workspace-android\DeanTest2 com.kooiman DeanTest2
> 2. Overwrite assets/www/index.html with the complete example from: http://docs.phonegap.com/en/2.4.0/cordova_camera_camera.md.html#Camera
> 3. Deploy the application to a Samsung Galaxy S3
> 4. Take a picture in portrait mode and see the failure.
> I can successfully get the callback by caching the reference when the Activity is destroyed,
however the page is reloaded on orientation changes as well (so my image is rendered and immediately
cleared).  In-fact if you were to take a picture in Landscape or show an image from the library
and then changed the orientation the images are removed, due to page reload.
> Here is my code to at least get past the NPE: (Still would like a fix for the page reload
on orientation changes)
> public class DeanTest2 extends DroidGap
> {
>   private static final Object CALLBACK_LOCK = new Object();
>   private static CordovaPlugin destroySafeActivityCallback = null;
> 	
>   @Override
>   public void onCreate(Bundle savedInstanceState)
>   {
>     super.onCreate(savedInstanceState);
>     synchronized(CALLBACK_LOCK) {
>       if (destroySafeActivityCallback != null) {
>         activityResultCallback = destroySafeActivityCallback;
>         destroySafeActivityCallback = null;
>       }
>     }
>         
>     super.loadUrl(Config.getStartUrl());
>   }
>     
>   @Override
>   public void onDestroy() {
>     if (activityResultCallback != null) {
>       synchronized(CALLBACK_LOCK) {
>         destroySafeActivityCallback = activityResultCallback;
>       }
>     }
>     	
>     super.onDestroy();
>   }
> }



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