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Detect if specified url is an image in Android?

Posted by: admin May 14, 2020 Leave a comment

Questions:

How to detect quickly if a specified URL contains an image in Android?

I have link of type http://foo.bar/w23afv so naive approach like checking end of URL string won’t work here.

How to&Answers:

Check if the HTTP Content-Type response header starts with image/.

URLConnection connection = new URL("http://foo.bar/w23afv").openConnection();
String contentType = connection.getHeaderField("Content-Type");
boolean image = contentType.startsWith("image/");