检测网络状态 1.1 实现思路 获得ConnectivityManager对象 ConnectivityManager主要用于查看网络状态和管理网络连接相关的操作 获取ConnectivityManager...对象 ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE...对象 ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE...对象 ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE...对象 ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); // 获取代表联网状态的...NetWorkInfo对象 NetworkInfo wifiInfo = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI); return wifiInfo...= null && wifiInfo.isConnected() 返回true则是wifi环境,并且可以正常使用,否则wifi 不能用 ConnectivityManager主要管理和网络连接相关的操作...connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE);...()==ConnectivityManager.TYPE_WIFI){ //判断WIFI网 }else if( networkInfo.getType()==ConnectivityManager.TYPE_MOBILE
获取 WIFI 状态 : WIFI 状态可以使用 ConnectivityManager 获取 , 调用 getActiveNetworkInfo 方法获取 NetworkInfo 后 , 先判定当前网络是否连接...) 方法 , 跨进程获取 ConnectivityManager 服务 ; // 获取连接管理器 ConnectivityManager connectivityManager..., 就说明当前是 WIFI 网络 ; networkInfo.getType() == ConnectivityManager.TYPE_WIFI 2 ....connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE...); // 获取网络信息 NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
对象 ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE...); //获取ConnectivityManager对象对应的NetworkInfo对象 //获取WIFI连接的信息 NetworkInfo wifiNetworkInfo...= connMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI); //获取移动数据连接的信息 NetworkInfo dataNetworkInfo...= connMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); if (wifiNetworkInfo.isConnected() &...对象 ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE
package com.who; import android.app.Activity; import android.content.Context; import android.net.ConnectivityManager...activity) { Context context = activity.getApplicationContext(); // 获取手机所有连接管理对象(包括对wi-fi,net等连接的管理) ConnectivityManager...connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE...); if (connectivityManager == null) { return false; } else { // 获取NetworkInfo对象 NetworkInfo...[] networkInfo = connectivityManager.getAllNetworkInfo(); if (networkInfo !
connectivity = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE...mgrConn = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE...connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE...= null && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) { return...connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE
= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context...= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context...= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context...= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context...一般可以通过ConnectivityManager来完成该工作。
= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context .getSystemService(...= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context .getSystemService(...= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context .getSystemService(...= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context .getSystemService(...connMgr = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo
(intent.getAction())) { ConnectivityManager manager = (ConnectivityManager) context...---- ConnectivityManager和NetworkInfo ConnectivityManager主要用来干什么 Monitor network connections (Wi-Fi, GPRS...ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context .CONNECTIVITY_SERVICE...(ConnectivityManager.TYPE_WIFI).getState(); mobileState = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE...= null) { //获取手机所有连接管理对象 ConnectivityManager manager = (ConnectivityManager)
(intent.getAction())) { ConnectivityManager manager = (ConnectivityManager) context .getSystemService...ConnectivityManager和NetworkInfo ConnectivityManager主要用来干什么 Monitor network connections (Wi-Fi, GPRS,...ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context .CONNECTIVITY_SERVICE...connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE);...connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE);
在android中判断网络需要用到ConnectivityManager,下面的方法演示了如何用ConnectivityManager判断当前是否联网: public static boolean...isNetworkConnected() { ConnectivityManager cm = (ConnectivityManager) AppContext.getInstance..., ConnectivityManager.TYPE_WIFI, ConnectivityManager.TYPE_WIMAX, ConnectivityManager.TYPE_ETHERNET..., ConnectivityManager.TYPE_BLUETOOTH 五种,其中只有ConnectivityManager.TYPE_MOBILE, ConnectivityManager.TYPE_WIFI...是跟互联网有关的,可见ConnectivityManager并不是专门管理互联网连接的,还负责蓝牙等连接。
(); ConnectivityManager connectivityManager = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE...); 2、获取NetworkInfo对象 // 获取NetworkInfo对象 NetworkInfo[] networkInfo = connectivityManager.getAllNetworkInfo...= null) { // 获取手机所有连接管理对象(包括对wi-fi,net等连接的管理) ConnectivityManager manager = (ConnectivityManager...= null) { //获取手机所有连接管理对象(包括对wi-fi,net等连接的管理) ConnectivityManager manager = (ConnectivityManager...= null) { //获取手机所有连接管理对象 ConnectivityManager manager = (ConnectivityManager)
mgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo...conManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE...conMan = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE...); State mobile = conMan.getNetworkInfo(ConnectivityManager.TYPE_MOBILE) .getState...(); State wifi = conMan.getNetworkInfo(ConnectivityManager.TYPE_WIFI) .getState
Connectivity 网络连接的服务 WIFI_SERVICE WifiManager Wi-Fi服务 TELEPHONY_SERVICE TeleponyManager 电话服务 实例代码 获取网络状态: ConnectivityManager...manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); State mobile...= manager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState(); State wifi = manager.getNetworkInfo...(ConnectivityManager.TYPE_WIFI).getState();
-- 允许程序改变WIFI链接状态 --> 2.检查网络是否可用 public boolean netWorkIsEnable() { ConnectivityManager...connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); try...c " + 1 + " 202.108.22.5"); int status = p.waitFor(); // 只有0时表示正常返回 return (connectivityManager.getActiveNetworkInfo...manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);...NetworkInfo wifiInfo = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI); if (wifiInfo.isConnected
final int NETWORK_TYPE_UNKNOWN = 0; public static int getNetworkType(Context context) { ConnectivityManager...connectMgr = (ConnectivityManager) context.getSystemService( Context.CONNECTIVITY_SERVICE...= null) { if (info.getType() == ConnectivityManager.TYPE_MOBILE) { switch...)) { ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(...Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo
= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService...= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService...NetworkInfo mMobileNetworkInfo = mConnectivityManager .getNetworkInfo(ConnectivityManager.TYPE_MOBILE...= null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context .getSystemService...= null) { return mNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI;
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