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TheFragebogen-android

The companion app for Android to make running TheFragebogen on Android fun again. On startup, the app tries to load a html-file from Downloads/index.html. Collected data is written to Downloads/TheFragebogen-${timestamp}.csv.

Features:

  • fixed screen brightness (max),
  • fixed orientation,
  • disabled screen timeout, and
  • supports local download (blob URL).

Configuration: none.

Requirement: TheFragebogen's ScreenWaitDataDownload can only be used, if the ScreenController is referenced as global variable called screenController .

Technical details

The app consists only of a WebView. On startup it checks required permissions and requests these if not yet granted.

Android's DownloadManager does not support blob's (anymore). Therefore, blob downloads are intercepted and data are exported via WebView.evaluateJavascript() executing javascript:encodeURI(screenController.requestDataCSV()).