NetUtils網路連接工具類

標籤：utils   less   setting   connect   ext.get   設定   state   activity   set   

import android.app.Activity;import android.content.ComponentName;import android.content.Context;import android.content.Intent;import android.net.ConnectivityManager;import android.net.NetworkInfo;public class NetUtils {   /**    * 獲得網路連接是否可用    * @param context    * @return    */   public static boolean hasNetwork(Context context) {      ConnectivityManager con = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);      NetworkInfo workinfo = con.getActiveNetworkInfo();      if (workinfo == null || !workinfo.isAvailable()) {         return false;      }      return true;   }   /**    * 判斷是否是wifi串連    */   public static boolean checkWifiState(Context context) {      boolean isWifiConnect = true;      ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);      NetworkInfo[] networkInfos = cm.getAllNetworkInfo();      for (int i = 0; i < networkInfos.length; i++) {         if (networkInfos[i].getState() == NetworkInfo.State.CONNECTED) {            if (networkInfos[i].getType() == cm.TYPE_MOBILE) {               isWifiConnect = false;            }            if (networkInfos[i].getType() == cm.TYPE_WIFI) {               isWifiConnect = true;            }         }      }      return isWifiConnect;   }   /**    * 開啟網路設定介面    */   public static void openNet(Activity activity) {      Intent intent = new Intent("/");      ComponentName cm = new ComponentName("com.android.settings", "com.android.settings.WirelessSettings");      intent.setComponent(cm);      intent.setAction("android.intent.action.VIEW");      activity.startActivityForResult(intent, 0);   }}

 

NetUtils網路連接工具類