Adding Images to Surveys

The Google Surveys API allows surveys to contain images. When adding an image to a survey, base64-encode the image with web safe characters.

To achieve this, first base64-encode the image and then change the necessary characters to their web safe version. In general, web safe encoding uses '-' in place of '+' and '_' in place of '/'. For more details, consult Section 5 of RFC 4648.

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Google Surveys
Google Surveys