public class NetWorkHelper { private static String LOG_TAG = "NetWorkHelper"; public static Uri uri = Uri.parse("content://telephony/carriers"); /** * 判断是否有网络连接 */ public static boolean isNetworkAvailable(Context context) { ConnectivityManager connectivity = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); if (connectivity == null) { Log.w(LOG_TAG, "couldn't get connectivity manager"); } else { NetworkInfo[] info = connectivity.getAllNetworkInfo(); if (info != null) { for (int i = 0; i < info.length; i++) { if (info[i].isAvailable()) { Log.d(LOG_TAG, "network is available"); return true; } } } } Log.d(LOG_TAG, "network is not available"); return false; } public static boolean checkNetState(Context context){ boolean netstate = false; ConnectivityManager connectivity = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); if(connectivity != null) { NetworkInfo[] info = connectivity.getAllNetworkInfo(); if (info != null) { for (int i = 0; i < info.length; i++) { if (info[i].getState() == NetworkInfo.State.CONNECTED) { netstate = true; break; } } } } return netstate; } /** * 判断网络是否为漫游 */ public static boolean isNetworkRoaming(Context context) { ConnectivityManager connectivity = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); if (connectivity == null) { Log.w(LOG_TAG, "couldn't get connectivity manager"); } else { NetworkInfo info = connectivity.getActiveNetworkInfo(); if (info != null && info.getType() == ConnectivityManager.TYPE_MOBILE) { TelephonyManager tm = (TelephonyManager) context .getSystemService(Context.TELEPHONY_SERVICE); if (tm != null && tm.isNetworkRoaming()) { Log.d(LOG_TAG, "network is roaming"); return true; } else { Log.d(LOG_TAG, "network is not roaming"); } } else { Log.d(LOG_TAG, "not using mobile network"); } } return false; } /** * 判断MOBILE网络是否可用 * * @param context * @return * @throws Exception */ public static boolean isMobileDataEnable(Context context) throws Exception { ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); boolean isMobileDataEnable = false; isMobileDataEnable = connectivityManager.getNetworkInfo( ConnectivityManager.TYPE_MOBILE).isConnectedOrConnecting(); return isMobileDataEnable; } /** * 判断wifi 是否可用 * @param context * @return * @throws Exception */ public static boolean isWifiDataEnable(Context context) throws Exception { ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); boolean isWifiDataEnable = false; isWifiDataEnable = connectivityManager.getNetworkInfo( ConnectivityManager.TYPE_WIFI).isConnectedOrConnecting(); return isWifiDataEnable; } /** * 设置Mobile网络开关 * * @param context * @param enabled * @throws Exception */ public static void setMobileDataEnabled(Context context, boolean enabled) throws Exception { APNManager apnManager=APNManager.getInstance(context); List<APN> list = apnManager.getAPNList(); if (enabled) { for (APN apn : list) { ContentValues cv = new ContentValues(); cv.put("apn", apnManager.matchAPN(apn.apn)); cv.put("type", apnManager.matchAPN(apn.type)); context.getContentResolver().update(uri, cv, "_id=?", new String[] { apn.apnId }); } } else { for (APN apn : list) { ContentValues cv = new ContentValues(); cv.put("apn", apnManager.matchAPN(apn.apn) + "mdev"); cv.put("type", apnManager.matchAPN(apn.type) + "mdev"); context.getContentResolver().update(uri, cv, "_id=?", new String[] { apn.apnId }); } } } }
时间: 2024-10-17 01:39:07