requestMethod.java

private API buildAPI(final String token) {
        return new RestAdapter.Builder()
                .setEndpoint(API.HOST)
                .setRequestInterceptor(new RequestInterceptor() {
                    @Override
                    public void intercept(RequestFacade request) {
                        request.addHeader("Authorization", "Bearer " + token);
                    }
                })
                .setLogLevel(RestAdapter.LogLevel.FULL)
                .build()
                .create(API.class);
    }