Android programming to determine whether the network is available and how to invoke system settings _android

The example in this article describes how Android programming determines whether a network is available and invokes system setup items. Share to everyone for your reference, specific as follows:

Private Boolean Checknetwork () {Boolean flag = false;
    Connectivitymanager manager = (Connectivitymanager) getsystemservice (Context.connectivity_service);
    if (manager.getactivenetworkinfo ()!= null) flag = Manager.getactivenetworkinfo (). isavailable (); if (!flag) {Builder b = new Alertdialog.builder (this). Settitle (No network available). Setmessage ("Please turn on GPRS or WiFi network connection")
      ; B.setpositivebutton (OK), new Dialoginterface.onclicklistener () {public void OnClick (dialoginterface dialog, int
          Whichbutton) {Intent mintent = new Intent ("/");
          ComponentName comp = new ComponentName ("Com.android.settings", "com.android.settings.WirelessSettings");
          Mintent.setcomponent (comp);
          Mintent.setaction ("Android.intent.action.VIEW");
        StartActivity (mintent); }). Setneutralbutton ("Cancel", new Dialoginterface.onclicklistener () {public void OnClick (Dialoginterface dial
 OG, int whichbutton) {         Dialog.cancel ();
      ). Create ();
    B.show ();
return flag;

 }

Permissions are unavoidable:

<uses-permission android:name= "Android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android: Name= "Android.permission.ACCESS_WIFI_STATE"/>

For more information on Android-related content readers can view the site topics: "Android Debugging techniques and common problems solution summary", "Android Development introduction and Advanced Course", "Android Multimedia operating skills Summary (audio, video, recording, etc.)", " Android Basic Components Usage Summary, Android View tips Summary, Android layout layout tips and Android Control usage summary

I hope this article will help you with the Android program.