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https://issues.apache.org/jira/browse/CB-12827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16040787#comment-16040787
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Nikita Matrosov commented on CB-12827:
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[~MrShakes], you need to use {{cordova.file.cacheDirectory}} rather than
{{cordova.file.cache}} (see docs
https://github.com/apache/cordova-plugin-file#where-to-store-files)
> readAsText and readAsDataURL error
> ----------------------------------
>
> Key: CB-12827
> URL: https://issues.apache.org/jira/browse/CB-12827
> Project: Apache Cordova
> Issue Type: Bug
> Components: cordova-plugin-file, Ionic
> Affects Versions: 6.4.0
> Environment: Android KitKat 4.4.2
> Reporter: Olabosipo Shoroye
>
> I'm using ngCordova cordova-plugin-file to try to read an image that I then
> want to convert to bytes. I actually want to read it as dataURL and I'm
> getting an error.
> /* The image is located at
> file:///data/data/com.xxx.housekeeping/cache/tmp_Screenshot_2017-04-27-09-30-42-1816635709.png
> on an Android device */
> `$cordovaFile.readAsText(cordova.file.cache,
> "tmp_Screenshot_2017-04-27-09-30-421403920141.png")
> .then(function (success) {
> // success
> console.log(success);
> }, function (error) {
> // error
> console.log(error);
> });`
> I tried using both readAsText and readAsDataURL but I get
> `Wrong type for parameter "uri" of resolveLocalFileSystemURI: Expected
> String, but got Undefined.`
> as an error. This is on an Android device.
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