How to disable Mobile Data on Android

Question

Quick back story before someone tells me to buy an app. =)

I just got an EVO and it chews through the battery fairly quick. I downloaded JuiceDefender to manage

Answer 1

to add a toggle button you can use this code in addition Vladimir's Answer:

TelephonyManager telephonyManager = (TelephonyManager) context
                .getSystemService(Context.TELEPHONY_SERVICE);
switch (telephonyManager.getDataState()) {
        case TelephonyManager.DATA_CONNECTED:
            setMobileDataEnabledMethod.invoke(iConnectivityManager, false);
            break;
        case TelephonyManager.DATA_DISCONNECTED:
            setMobileDataEnabledMethod.invoke(iConnectivityManager, true);
            break;
        }

This reflection workaround is still working for me on android 4.0.4