- 判断是否有data链接开启
private TelephonyManager mTelephonyManager;
mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
boolean enabled = mTelephonyManager.getDataEnabled();
获取mTelephonyManager 的方法二:
mTelephonyManager = (TelephonyManagerSprd) TelephonyManager.from(mContext);