[안드로이드]네트워크 체크 - ConnectivityManager

현재 실 사용중인 네트워크 체크 소스입니다. 

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

requestWindowFeature(Window.FEATURE_NO_TITLE);

setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

setContentView(R.layout.intro);

       

Log.v("notice", "notice");

if (!KBONetworkInfo.IsWifiAvailable(this) && !KBONetworkInfo.Is3GAvailable(this))

{

    //Toast.makeText(this, "네크워크에 연결할 수 없습니다.", Toast.LENGTH_LONG).show();

msgShow("알림","본 서비스는 네트워크를 이용하는 서비스로 현재 네트워크에 연결되어 있지 않습니다.","닫기");

    return;

}

myHandler.postDelayed(myRunnable, 3000); // 딜레이 지정

}

public static class KBONetworkInfo {

 

    public static boolean IsWifiAvailable(Context context)

    {

        ConnectivityManager m_NetConnectMgr= (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);

        boolean bConnect = false;

        try

        {

            if( m_NetConnectMgr == null ) return false;

 

            NetworkInfo info = m_NetConnectMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

            bConnect = (info.isAvailable() && info.isConnected());

 

        }

        catch(Exception e)

        {

            return false;

        }

 

        return bConnect;

    }

 

    public static boolean Is3GAvailable(Context context)

    {  

        ConnectivityManager m_NetConnectMgr= (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);

        boolean bConnect = false;

        try

        {

            if( m_NetConnectMgr == null ) return false;

            NetworkInfo info = m_NetConnectMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);

            bConnect = (info.isAvailable() && info.isConnected());

        }

        catch(Exception e)

        {

            return false;

        }

 

        return bConnect;

    }

}

public void msgShow(String title,String msg,String closeMsg){

AlertDialog alert = new  AlertDialog.Builder( this ).create();

alert.setTitle(title);

    alert.setMessage( msg );

   

    alert.setButton( closeMsg, new DialogInterface.OnClickListener()

    {

        @Override

        public void onClick(DialogInterface dialog, int which)

        {

            dialog.dismiss();

            finish();

        }

    });

   

   

    alert.show();

}

public boolean onKeyDown(int keyCode, KeyEvent e) {

Log.v(null, "" + keyCode);

if (keyCode == KeyEvent.KEYCODE_BACK) {

}

return false;

} 

public boolean onKeyDown1(int keyCode, KeyEvent e) {

Log.v(null, "" + keyCode);

if (keyCode == KeyEvent.KEYCODE_HOME) {

myHandler.removeCallbacks(myRunnable);

}

return false;

}