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();
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。
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 !
(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)
(); 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)
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。
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
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
android.content.ContentResolver; import android.content.Context; import android.database.Cursor; import android.net.ConnectivityManager...param context * @return */ public static String getNetworkInfo(Context context) { ConnectivityManager...cm=(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); //判断wifi...NetworkInfo networkInfo=cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI); if(networkInfo!...return "wifi"; } //判断APN NetworkInfo mobileInfo=cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE
= 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;
在一些 Android 设备上同时具有以太网和Wifi网络连接 我们可以使用 ConnectivityManager 类来判断设备的网络状态。...: Boolean { val cm = context .getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager...val info = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE) if (cm !...: Boolean { val cm = context .getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager...val info = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI) if (info !
关于所有可能的网络连接类型,请看ConnectivityManager。通常 Wi-Fi 是比较快的。移动数据通常都是需要按流量计费,会比较贵。...ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE...public void updateConnectedFlags() { ConnectivityManager connMgr = (ConnectivityManager)...public void updateConnectedFlags() { ConnectivityManager connMgr = (ConnectivityManager)...connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE
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();
广播 , 这是监听网络状态改变发出的广播 ; // 注册广播接收者 , 接收 ConnectivityManager.CONNECTIVITY_ACTION 广播 , 这是监听网络状态改变发出的广播...final IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);...{ // 连接管理器系统服务 private final ConnectivityManager mConnManager; // 网络策略管理器系统服务...stateChangedListener, context, lock); // 获取连接管理器系统服务 mConnManager = mContext.getSystemService(ConnectivityManager.class...广播 , 这是监听网络状态改变发出的广播 final IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION