package com.microsoft.o365_android_onenote_rest.conf;

public class ServiceConstants {

    // MSA
    public static final String MSA_CLIENT_ID = "000000004015DC58";
    public static final String ONENOTE_API = "https://www.onenote.com/api";
    // Org
    public static final String AUTHENTICATION_RESOURCE_ID = "https://onenote.com";
    public static final String AUTHORITY_URL = "https://login.microsoftonline.com/common";
    public static final String REDIRECT_URI = "<Your REDIRECT URI HERE>";
    public static final String CLIENT_ID = "<Your CLIENT ID HERE>";
}
package com.microsoft.o365_android_onenote_rest.conf;

public class ServiceConstants {

    // MSA
    public static final String MSA_CLIENT_ID = "<Your MSA CLIENT ID>";
    public static final String ONENOTE_API = "https://www.onenote.com/api";
    // Org
    public static final String AUTHENTICATION_RESOURCE_ID = "https://onenote.com";
    public static final String AUTHORITY_URL = "https://login.microsoftonline.com/common";
    public static final String REDIRECT_URI = "<Your REDIRECT URI HERE>";
    public static final String CLIENT_ID = "<Your CLIENT ID HERE>";
}

Update ServiceConstants.java