안드로이드 비행기 모드 확인방법 package com.example.test; import android.app.Activity; import android.os.Bundle; import android.provider.Settings; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceSt..

Android Manifest.xml 추가 .java 코드 추가 public static boolean isNetworkAvailable(Context ctx) { ConnectivityManager connMgr = (ConnectivityManager)ctx.getSystemService(Context.CONNECTIVITY_SERVICE); if(connMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI).isConnected() || connMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).isConnected()){ return true; } return false; } 이것을 예를들어서 if(isNetworkAvai..