Subscribe to the Observable

MainActivity.kt

@SuppressLint("CheckResult")
    private fun loginApiCall(userID: String, userPassword: String){
        if(UtilMethods.isConnectedToInternet(mContext)){
            UtilMethods.showLoading(mContext)
            val observable = ApiService.loginApiCall().doLogin(LoginPostData(userID, userPassword))
            observable.subscribeOn(Schedulers.io())
                    .observeOn(AndroidSchedulers.mainThread())
                    .subscribe({ loginResponse ->
                        UtilMethods.hideLoading()

                        /** loginResponse is response data class*/

                    }, { error ->
                        UtilMethods.hideLoading()
                        UtilMethods.showLongToast(mContext, error.message.toString())
                    }
                    )
        }else{
            UtilMethods.showLongToast(mContext, "No Internet Connection!")
        }
    }