package com.bourke.glimmr;

public class Keys {

    public static final String API_KEY = "<api-key>";
    public static final String API_SECRET = "<api-secret>";
}

package com.bourke.glimmr.common;

public class Keys {

    public static final String API_KEY = "<api-key>";
    public static final String API_SECRET = "<api-secret>";
}

Update Keys package declaration