get Uri File Extension - Android android.net

Android examples for android.net:Uri

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Description

get Uri File Extension

Demo Code

public class Main {

   static String getExtension(String mediaUri) {
    if (mediaUri == null || mediaUri.trim().isEmpty()) {
      return null;
    }/* w  ww .j  a va 2 s . co m*/

    int periodIndex = mediaUri.lastIndexOf('.');
    if (periodIndex == -1 || periodIndex >= mediaUri.length()) {
      return null;
    }

    String rawExtension = mediaUri.substring(periodIndex);
    return rawExtension.toLowerCase();
  }

}

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