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From "Richard B Knoll (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-6484) navigator.camera.getPicture FILE_URI 20 second delay on second call
Date Fri, 16 Oct 2015 19:47:05 GMT

    [ https://issues.apache.org/jira/browse/CB-6484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14961268#comment-14961268
] 

Richard B Knoll commented on CB-6484:
-------------------------------------

I am going to close this soon as I can't reproduce it. Let me know if it should stay open.

> navigator.camera.getPicture FILE_URI 20 second delay on second call
> -------------------------------------------------------------------
>
>                 Key: CB-6484
>                 URL: https://issues.apache.org/jira/browse/CB-6484
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Plugin Camera
>    Affects Versions: 3.4.0
>         Environment: iOS 7.1 (iPhone 5 and iPhone 5s)
>            Reporter: Kent Spadzinski
>             Fix For: 3.4.0
>
>
> First time the camera is used it works fine.  However, if the user cancels or tries to
take another picture the camera screen is black.  At this point it can take between 10-15
seconds before the camera preview appears and another picture can be taken.  Have tried all
version of the camera plugin starting at 0.2.5 (up to 0.2.9).   Here is the code and device
logs:
> Here is the function... there are no errors logged in console when called:
> {code}
> app.takePhoto = function() {
>         navigator.camera.getPicture(app.capturePhoto, app.onFail, { 
>             quality : 20, 
>             destinationType : 1, 
>             sourceType : 1,
>             encodingType: Camera.EncodingType.JPEG,
>             targetWidth: 1024
>         });
>     }
> var retries = 0;
>     app.capturePhoto = function(fileURI )   {
>         var win = function (r) {
>             app.clearCache();
>             retries = 0;
>             $("#progressview").hide();
>             app.showAlert("Your photo was successfully uploaded", "Photo Upload");
>             var listview = $("#lsPhotos").data("kendoMobileListView");
>             listview.setDataSource(app.photoDataSource);
>             app.photoDataSource.read();
>         }
>         var fail = function (error) {
>             if (retries == 0) {
>                 retries ++
>                 setTimeout(function() {
>                     app.capturePhoto(fileURI)
>                 }, 1000)
>             } else {
>                 retries = 0;
>                 app.clearCache();
>                 $("#progressview").hide();
>                 app.showAlert("The photo could not be uploaded to the server.  Please
try again", "Photo Upload");
>             }
>         }
>         $("#progressview").show();
>         var fileUrl = "xxxxxxxxxxxx";
>         var options = new FileUploadOptions();
>         var prev_perc;
>         options.fileKey = "file";
>         options.fileName = mediaFiles[i].fullPath; // fileURI.substr(fileURI.lastIndexOf('/')
+ 1);
>         options.mimeType = "image/jpeg";
>         options.params = {}; // if we need to send parameters to the server request
>         var ft = new FileTransfer();
>         ft.onprogress = function(progressEvent) {
>             if (progressEvent.lengthComputable) {
>                 var perc = Math.floor(progressEvent.loaded / progressEvent.total * 100);
>                 if(perc > prev_perc)    {
>                     $("#progressview").text(options.fileName + ": " + perc + "% Uploaded");
>                 }
>                 prev_perc = perc;
>             } 
>             else {
>                 $("#progressview").text("Uploading Photo");
>             }
>         };
>         ft.upload(fileURI, encodeURI(fileUrl), win, fail, options);       
>     }
> {code}
> Click "Take Photo" button:
> pr 15 11:14:13 Kentos-iPhone-5s kernel[0] <Debug>: AppleH6CamIn::setPowerStateGated:
1
> Apr 15 11:14:13 Kentos-iPhone-5s kernel[0] <Debug>: AppleH6CamIn::power_on_hardware
> Apr 15 11:14:13 Kentos-iPhone-5s kernel[0] <Debug>: AppleH6CamIn::ISP_SelectBestMIPIFrequencyIndex_gated
- channel: 0, index: 2
> Click "Cancel" on the camera view:
> Apr 15 11:14:17 Kentos-iPhone-5s kernel[0] <Debug>: AppleH6CamIn::setPowerStateGated:
0
> Apr 15 11:14:17 Kentos-iPhone-5s kernel[0] <Debug>: AppleH6CamIn::power_off_hardware
> Immediately Click "Take Photo" again and the camera view appears with black screen
> Camera now shows preview and can take a picture (20 seconds elapsed):
> Apr 15 11:14:37 Kentos-iPhone-5s kernel[0] <Debug>: AppleH6CamIn::setPowerStateGated:
1
> Apr 15 11:14:37 Kentos-iPhone-5s kernel[0] <Debug>: AppleH6CamIn::power_on_hardware
> Apr 15 11:14:38 Kentos-iPhone-5s kernel[0] <Debug>: AppleH6CamIn::ISP_SelectBestMIPIFrequencyIndex_gated
- channel: 0, index: 2
> This happens in iOS 7.1 on both iPhone 5S and original iPhone 5 (enterprise user base).




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