Android Network Status operation

  /**     * Declare Connection Manager Object *     /    private Connectivitymanager Connectivitymanager;    @Override    protected void onCreate (Bundle savedinstancestate) {        super.oncreate (savedinstancestate);        Setcontentview (r.layout.activity_main);       1. Get the Connection Manager Object        this.connectivitymanager= (Connectivitymanager) This.getsystemservice through system services ( Context.connectivity_service);       2. Obtain the Network information object through the Connection Manager Object        networkinfo networkinfo=this.connectivitymanager.getactivenetworkinfo ();       if (networkinfo==null) {           Toast.maketext (this, "current phone is not networked!", Toast.length_short). Show ();       else{           String typename=networkinfo.gettypename ();           System.out.println ("typename=" +typename);           Toast.maketext (This, "Typename=" +typename, Toast.length_short). Show ();       }    }

2.

    /** * Declare Connection Manager Object */private Connectivitymanager Connectivitymanager;        @Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);       Setcontentview (R.layout.activity_main); 1. Get the Connection Manager Object This.connectivitymanager= (Connectivitymanager) This.getsystemservice through system services (context.connectivity_       SERVICE);        2. Obtain the Network information object through the Connection Manager Object Networkinfo networkinfo=this.connectivitymanager.getactivenetworkinfo ();            if (networkinfo.isavailable ()) {Toast.maketext (this, "There is a network!", Toast.length_short). Show ();            Get the network type int type= networkinfo.gettype (); Switch (type) {//mobile network case CONNECTIVITYMANAGER.TYPE_MOBILE:SYSTEM.OUT.PR                    INTLN ("mobile network");                Break                    WiFi Network case CONNECTIVITYMANAGER.TYPE_WIFI:SYSTEM.OUT.PRINTLN ("WiFi network");            Break }}eLSE {Toast.maketext (this, "No Network", Toast.length_short). Show (); }    }

　　

Android Network Status operation