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https://issues.apache.org/jira/browse/CB-6484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14961864#comment-14961864
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jcesarmobile commented on CB-6484:
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I can't reproduce it on iOS 8.4.1 or iOS 9
> 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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