android网络状态获取与设置工具类

2690阅读　0评论2015-04-23　vibe26
分类：Android平台


NetworkStateUtil.java

  1. package com.vibexie.networksettinglikeuc;

  3. import android.content.Context;
  4. import android.content.Intent;
  5. import android.net.ConnectivityManager;
  6. import android.net.NetworkInfo;
  7. import android.net.wifi.WifiManager;
  8. import android.os.Build;
  9. import android.provider.Settings;

  11. import java.lang.reflect.Method;

  13. /**
  14.  * 网络连接状态的工具类，并提供设置网络的方法
  15.  * Created by vibexie on 4/22/15.
  16.  *
  17.  * 使用时请参考sdk doc:/docs/training/basics/network-ops/managing.html
  18.  *
  19.  * 注意必须添加这3个权限
  20.  *
  21.  *
  22.  *
  23.  *
  24.  *
  25.  */
  26. public class NetworkStateUtil {

  28.     /**
  29.      * 判断网络是否连接
  30.      * @param context
  31.      * @return
  32.      */
  33.     public static boolean isNetWorkConnected(Context context){
  34.         ConnectivityManager connectivityManager=(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);

  36.         NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();

  38.         return (networkInfo != null && networkInfo.isConnected());
  39.     }



  43.     /**
  44.      * 判断wifi是否连接
  45.      * @param context
  46.      * @return
  47.      */
  48.     public static boolean isWifiConnected(Context context){
  49.         ConnectivityManager connectivityManager=(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);

  51.         NetworkInfo networkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

  53.         return networkInfo.isConnected();
  54.     }



  58.     /**
  59.      * 判断移动网络是否连接
  60.      * @param context
  61.      * @return
  62.      */
  63.     public static boolean isMobileConnected(Context context){
  64.         ConnectivityManager connectivityManager=(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);

  66.         NetworkInfo networkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);

  68.         return networkInfo.isConnected();
  69.     }



  73.     /**
  74.      * 调用系统设置进行设置网络
  75.      * @param context
  76.      */
  77.     public static void goToSetNetWork(Context context){
  78.         Intent intent=null;

  80.         /**
  81.          * 判断安卓版本
  82.          */
  83.         if(Build.VERSION.SDK_INT>10) {
  84.             /*3.0以上版本*/

  86.             intent=new Intent(Settings.ACTION_WIFI_SETTINGS);
  87.         }else {
  88.             /*3.0以下版本*/

  90.             intent=new Intent();
  91.             intent.setClassName("com.android.settings","com.android.settings.WifiSettings");
  92.         }

  94.         context.startActivity(intent);
  95.     }



  99.     /**
  100.      * 设置wifi状态
  101.      * 注意需要添加权限：
  102.      *
  103.      * @param context
  104.      * @param enabled
  105.      */
  106.     public static void setWifiEnabled(Context context,boolean enabled){
  107.         WifiManager wifiManager=(WifiManager)context.getSystemService(Context.WIFI_SERVICE);
  108.         wifiManager.setWifiEnabled(enabled);
  109.     }


  112.     /**
  113.      * 设置移动网络状态
  114.      * 注意需要添加权限：
  115.      * @param context 上下文
  116.      * @param enabled 是否开启移动网络连接
  117.      */
  118.     public static void setMobileDataEnabled(Context context, boolean enabled) {
  119.         /**
  120.          * 必须采用反射机制获取系统隐藏的功能
  121.          */

  123. // /**
  124. // *StackOverStack解决方案：
  125. // */
  126. // try {
  127. // ConnectivityManager conman = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
  128. // Class conmanClass = Class.forName(conman.getClass().getName());
  129. // Field iConnectivityManagerField = conmanClass.getDeclaredField("mService");
  130. // iConnectivityManagerField.setAccessible(true);
  131. // Object iConnectivityManager = iConnectivityManagerField.get(conman);
  132. // Class iConnectivityManagerClass = Class.forName(iConnectivityManager.getClass().getName());
  133. // Method setMobileDataEnabledMethod = iConnectivityManagerClass.getDeclaredMethod("setMobileDataEnabled", Boolean.TYPE);
  134. // setMobileDataEnabledMethod.setAccessible(true);
  135. //
  136. // setMobileDataEnabledMethod.invoke(iConnectivityManager, enabled);
  137. //
  138. // } catch (Exception e) {
  139. // // TODO Auto-generated catch block
  140. // e.printStackTrace();
  141. // }

  143.         /**
  144.          * 进行简化
  145.          */
  146.         ConnectivityManager connectivityManager = null;
  147.         Class connectivityManagerClz = null;
  148.         try {
  149.             connectivityManager = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
  150.             connectivityManagerClz = connectivityManager.getClass();
  151.             Method method = connectivityManagerClz.getMethod("setMobileDataEnabled", new Class[] { boolean.class });
  152.             method.invoke(connectivityManager, enabled);
  153.         } catch (Exception e) {
  154.             e.printStackTrace();
  155.         }
  156.     }
  157. }

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