package com.xjf.repository.utils; import android.content.Context; import android.content.Intent; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.telephony.TelephonyManager; /** * <pre> * author: Blankj * blog : http://blankj.com * time : 2016/8/2 * desc : 网络相关工具类 * </pre> */ public class NetworkUtils { private NetworkUtils() { throw new UnsupportedOperationException("u can't fuck me..."); } public static final int NETWORK_WIFI = 1; // wifi network public static final int NETWORK_4G = 4; // "4G" networks public static final int NETWORK_3G = 3; // "3G" networks public static final int NETWORK_2G = 2; // "2G" networks public static final int NETWORK_UNKNOWN = 5; // unknown network public static final int NETWORK_NO = -1; // no network private static final int NETWORK_TYPE_GSM = 16; private static final int NETWORK_TYPE_TD_SCDMA = 17; private static final int NETWORK_TYPE_IWLAN = 18; /** * 打开网络设置界面 * <p>3.0以下打开设置界面</p> * * @param context 上下文 */ public static void openWirelessSettings(Context context) { if (android.os.Build.VERSION.SDK_INT > 10) { context.startActivity(new Intent(android.provider.Settings.ACTION_SETTINGS)); } else { context.startActivity(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS)); } } /** * 获取活动网络信息 * * @param context 上下文 * @return NetworkInfo */ private static NetworkInfo getActiveNetworkInfo(Context context) { ConnectivityManager cm = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); return cm.getActiveNetworkInfo(); } /** * 判断网络是否可用 * <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p> * * @param context 上下文 * @return {@code true}: 可用<br>{@code false}: 不可用 */ public static boolean isAvailable(Context context) { NetworkInfo info = getActiveNetworkInfo(context); return info != null && info.isAvailable(); } /** * 判断网络是否连接 * <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p> * * @param context 上下文 * @return {@code true}: 是<br>{@code false}: 否 */ public static boolean isConnected(Context context) { NetworkInfo info = getActiveNetworkInfo(context); return info != null && info.isConnected(); } /** * 判断网络是否是4G * <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p> * * @param context 上下文 * @return {@code true}: 是<br>{@code false}: 不是 */ public static boolean is4G(Context context) { NetworkInfo info = getActiveNetworkInfo(context); return info != null && info.isAvailable() && info.getSubtype() == TelephonyManager.NETWORK_TYPE_LTE; } /** * 判断wifi是否连接状态 * <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p> * * @param context 上下文 * @return {@code true}: 连接<br>{@code false}: 未连接 */ public static boolean isWifiConnected(Context context) { ConnectivityManager cm = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); return cm != null && cm.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI; } /** * 获取移动网络运营商名称 * <p>如中国联通、中国移动、中国电信</p> * * @param context 上下文 * @return 移动网络运营商名称 */ public static String getNetworkOperatorName(Context context) { TelephonyManager tm = (TelephonyManager) context .getSystemService(Context.TELEPHONY_SERVICE); return tm != null ? tm.getNetworkOperatorName() : null; } /** * 获取移动终端类型 * * @param context 上下文 * @return 手机制式 * <ul> * <li>{@link TelephonyManager#PHONE_TYPE_NONE } : 0 手机制式未知</li> * <li>{@link TelephonyManager#PHONE_TYPE_GSM } : 1 手机制式为GSM,移动和联通</li> * <li>{@link TelephonyManager#PHONE_TYPE_CDMA } : 2 手机制式为CDMA,电信</li> * <li>{@link TelephonyManager#PHONE_TYPE_SIP } : 3</li> * </ul> */ public static int getPhoneType(Context context) { TelephonyManager tm = (TelephonyManager) context .getSystemService(Context.TELEPHONY_SERVICE); return tm != null ? tm.getPhoneType() : -1; } /** * 获取当前的网络类型(WIFI,2G,3G,4G) * <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p> * * @param context 上下文 * @return 网络类型 * <ul> * <li>{@link #NETWORK_WIFI } = 1;</li> * <li>{@link #NETWORK_4G } = 4;</li> * <li>{@link #NETWORK_3G } = 3;</li> * <li>{@link #NETWORK_2G } = 2;</li> * <li>{@link #NETWORK_UNKNOWN} = 5;</li> * <li>{@link #NETWORK_NO } = -1;</li> * </ul> */ public static int getNetWorkType(Context context) { int netType = NETWORK_NO; NetworkInfo info = getActiveNetworkInfo(context); if (info != null && info.isAvailable()) { if (info.getType() == ConnectivityManager.TYPE_WIFI) { netType = NETWORK_WIFI; } else if (info.getType() == ConnectivityManager.TYPE_MOBILE) { switch (info.getSubtype()) { case NETWORK_TYPE_GSM: case TelephonyManager.NETWORK_TYPE_GPRS: case TelephonyManager.NETWORK_TYPE_CDMA: case TelephonyManager.NETWORK_TYPE_EDGE: case TelephonyManager.NETWORK_TYPE_1xRTT: case TelephonyManager.NETWORK_TYPE_IDEN: netType = NETWORK_2G; break; case NETWORK_TYPE_TD_SCDMA: case TelephonyManager.NETWORK_TYPE_EVDO_A: case TelephonyManager.NETWORK_TYPE_UMTS: case TelephonyManager.NETWORK_TYPE_EVDO_0: case TelephonyManager.NETWORK_TYPE_HSDPA: case TelephonyManager.NETWORK_TYPE_HSUPA: case TelephonyManager.NETWORK_TYPE_HSPA: case TelephonyManager.NETWORK_TYPE_EVDO_B: case TelephonyManager.NETWORK_TYPE_EHRPD: case TelephonyManager.NETWORK_TYPE_HSPAP: netType = NETWORK_3G; break; case NETWORK_TYPE_IWLAN: case TelephonyManager.NETWORK_TYPE_LTE: netType = NETWORK_4G; break; default: String subtypeName = info.getSubtypeName(); if (subtypeName.equalsIgnoreCase("TD-SCDMA") || subtypeName.equalsIgnoreCase("WCDMA") || subtypeName.equalsIgnoreCase("CDMA2000")) { netType = NETWORK_3G; } else { netType = NETWORK_UNKNOWN; } break; } } else { netType = NETWORK_UNKNOWN; } } return netType; } /** * 获取当前的网络类型(WIFI,2G,3G,4G) * <p>依赖上面的方法</p> * * @param context 上下文 * @return 网络类型名称 * <ul> * <li>NETWORK_WIFI </li> * <li>NETWORK_4G </li> * <li>NETWORK_3G </li> * <li>NETWORK_2G </li> * <li>NETWORK_UNKNOWN</li> * <li>NETWORK_NO </li> * </ul> */ /* public static String getNetWorkTypeName(Context context) { switch (getNetWorkType(context)) { case NETWORK_WIFI: return "NETWORK_WIFI"; case NETWORK_4G: return "NETWORK_4G"; case NETWORK_3G: return "NETWORK_3G"; case NETWORK_2G: return "NETWORK_2G"; case NETWORK_NO: return "NETWORK_NO"; default: return "NETWORK_UNKNOWN"; } }*/ /** * 获取当前的网络类型(WIFI,2G,3G,4G) * <p>依赖上面的方法</p> * * @param context 上下文 * @return 网络类型名称 * <ul> * <li>NETWORK_WIFI </li> * <li>NETWORK_4G </li> * <li>NETWORK_3G </li> * <li>NETWORK_2G </li> * <li>NETWORK_UNKNOWN</li> * <li>NETWORK_NO </li> * </ul> */ public static NetworkType getNetWorkTypeName(Context context) { switch (getNetWorkType(context)) { case NETWORK_WIFI: return NetworkType.NETWORK_WIFI; case NETWORK_4G: return NetworkType.NETWORK_4G; case NETWORK_3G: return NetworkType.NETWORK_3G; case NETWORK_2G: return NetworkType.NETWORK_2G; case NETWORK_NO: return NetworkType.NETWORK_NO; default: return NetworkType.NETWORK_UNKNOWN; } } /** * 网络状态 */ public enum NetworkType { NETWORK_WIFI("WIFI网络"), NETWORK_4G("4G网络"), NETWORK_3G("3G网络"), NETWORK_2G("2G网络"), NETWORK_NO("网络"), NETWORK_UNKNOWN("未知网络"); private String value; NetworkType(String value) { this.value = value; } public String getValue() { return value; } } /** * 是否有网络 * * @return */ public static boolean isNetWork(Context context) { NetworkUtils.NetworkType networkType = NetworkUtils.getNetWorkTypeName(context); switch (networkType) { case NETWORK_2G: case NETWORK_3G: case NETWORK_4G: case NETWORK_WIFI: return true; case NETWORK_NO: case NETWORK_UNKNOWN: default: return false; } } /** * 是否是wifi状态 * * @param context * @return */ public static boolean isWifi(Context context) { NetworkUtils.NetworkType networkType = NetworkUtils.getNetWorkTypeName(context); switch (networkType) { default: case NETWORK_2G: case NETWORK_3G: case NETWORK_4G: case NETWORK_NO: case NETWORK_UNKNOWN: return false; case NETWORK_WIFI: return true; } } }