Android Open Source - android-json-http Netwrok Util

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License

The source code is released under:

Apache License

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Java Source Code

package com.open.jsonhttp.util;
//w  w  w. j  a  va2 s . c  o m
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import com.example.App;

/**
 * ???????
 * 
 * @author yinghui.hong
 */
public class NetwrokUtil {

  /**
   * ???
   */
  public static final int STATE_CONNECT_NONE = 0;

  /**
   * WIFI??
   */
  public static final int STATE_CONNECT_WIFI = 1;

  /**
   * ???? 2G/3G
   */
  public static final int STATE_CONNECT_MOBILE = 2;

  /**
   * ??????????????
   * 
   * @param context
   * @return ??? STATE_CONNECT_NONE????? STATE_CONNECT_WIFI?WIFI??,
   *         STATE_CONNECT_MOBILE????? 2G/3G
   */
  public static int getNetConnectState(Context context) {
    final ConnectivityManager cm = (ConnectivityManager) App.context
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkInfo = cm
        .getNetworkInfo(ConnectivityManager.TYPE_WIFI);

    if (networkInfo != null && networkInfo.isConnected()) {
      return STATE_CONNECT_WIFI;
    }
    networkInfo = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
    if (networkInfo != null && networkInfo.isConnected()) {
      return STATE_CONNECT_MOBILE;
    }
    return STATE_CONNECT_NONE;
  }

  /**
   * ??????????
   * 
   * @param context
   * @return
   */
  public static boolean isConnected() {
    final ConnectivityManager cm = (ConnectivityManager) App.context
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
    if (networkInfo == null || !networkInfo.isConnectedOrConnecting()) {
      return false;
    }
    return true;
  }

}

Java Source Code List