Question

我正在尝试检查手机中的3G是否处于活动状态，之后我必须触发一个意图。所以请任何人帮助我在此先感谢：）

Answer 1

我最近写的一个应用程序的另一个片段：

TelephonyManager telManager;    
telManager = (TelephonyManager) getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);
int cType = telManager.getNetworkType();
String cTypeString;
switch (cType) {
        case 1: cTypeString = "GPRS"; break;
        case 2: cTypeString = "EDGE"; break;
        case 3: cTypeString = "UMTS"; break;
        case 8: cTypeString = "HSDPA"; break;
        case 9: cTypeString = "HSUPA"; break;
        case 10:cTypeString = "HSPA"; break;
        default:cTypeString = "unknown"; break;
}

Answer 2

尝试这个东西，

    void checkConnectionStatus()
      {
       ConnectivityManager connMgr = (ConnectivityManager)
      this.getSystemService(Context.CONNECTIVITY_SERVICE);


      final android.net.NetworkInfo wifi =
      connMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);


      final android.net.NetworkInfo mobile =
      connMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);


      if( wifi.isAvailable() ){
      Toast.makeText(this, "Wifi" , Toast.LENGTH_LONG).show();
      }
      else if( mobile.isAvailable() ){
      Toast.makeText(this, "Mobile 3G " , Toast.LENGTH_LONG).show();
      }
      else
      {Toast.makeText(this, "No Network " , Toast.LENGTH_LONG).show();}
      }
}

Answer 3

首先你需要检查是wifi还是移动网络

而不仅仅是打电话

(TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE)).getNetworkType());

并不是说您可以使用EDGE或GPRS或其他东西，所以你也可以这样做

if (getSsTelephony().getNetworkType() >= TelephonyManager.NETWORK_TYPE_UMTS)
    return NETWORK_3G;

Answer 4

    ConnectivityManager connManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);

    NetworkInfo mMobile = connManager
            .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);

    if (mMobile.isAvailable() == true) {
        Intent otherActivity = new Intent();
        mapActivity.setClass(getBaseContext(), other.class);
        startActivity(otherActivity);
    }

不要忘记在AndroidManifext.xml文件中添加“ACCESS_NETWORK_STATE”权限！

Answer 5

这将检查您是否有互联网连接（3G）：

private boolean isNetworkAvailable() {
    ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetworkInfo = connectivityManager
            .getActiveNetworkInfo();
    return activeNetworkInfo != null;
}

如何在android中检查3g是否处于活动状态

5 个答案: