public static void deleteIgnoringFailure(final File file) {
        final boolean success = file.delete() || !file.exists();
        if (!success) {
            Log.i("Could not delete " + file.getAbsolutePath());
        }
    }
This usage of this method indicates that the return value of File.delete() can safely be ignored.
main/src/main/java/cgeo/geocaching/utils/FileUtils.java