- public static String getHostIP() {
- String hostIp = null;
- try {
- Enumeration nis = NetworkInterface.getNetworkInterfaces();
- InetAddress ia = null;
- while (nis.hasMoreElements()) {
- NetworkInterface ni = (NetworkInterface) nis.nextElement();
- Enumeration<InetAddress> ias = ni.getInetAddresses();
- while (ias.hasMoreElements()) {
- ia = ias.nextElement();
- if (ia instanceof Inet6Address) {
- continue;// skip ipv6
- }
- String ip = ia.getHostAddress();
- if (!"127.0.0.1".equals(ip)) {
- hostIp = ia.getHostAddress();
- break;
- }
- }
- }
- } catch (SocketException e) {
- Log.i("yao", "SocketException");
- e.printStackTrace();
- }
- return hostIp;
- }
public class MainActivity extends Activity { ActionBar actionBar; //声明ActionBar @Override protected void onCreate( Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView( R .layout.activity_main); actionBar = getSupportActionBar(); //得 到ActionBar actionBar.hide(); //隐藏ActionBar } }
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