Android 获取网络信息状态:即使手机已连接,也已断开/阻止
我已通过以下代码了解internet连接。当应用程序处于前台时,Android 获取网络信息状态:即使手机已连接,也已断开/阻止,android,connect,Android,Connect,我已通过以下代码了解internet连接。当应用程序处于前台时,NetworkInfo连接状态为已连接,但应用程序处于后台或已终止状态,即使手机已连接3G,连接状态也为已断开/阻止 我查看了stackoverflow,但这个问题没有答案 public class InternetConnectionControl { private NetworkInfo networkInfo; private NetworkInfo getNetworkInfo() {
NetworkInfo
连接状态为已连接,但应用程序处于后台或已终止状态,即使手机已连接3G,连接状态也为已断开/阻止
我查看了stackoverflow,但这个问题没有答案
public class InternetConnectionControl {
private NetworkInfo networkInfo;
private NetworkInfo getNetworkInfo() {
if (networkInfo == null) {
ConnectivityManager _cm = ServiceUtil.getConnectivityManager(MyApplication.getContext());
networkInfo = _cm.getActiveNetworkInfo();
}
return networkInfo;
}
public void setNetworkInfo(NetworkInfo networkInfo) {
this.networkInfo = networkInfo;
}
private boolean isConnectedToWifi() {
NetworkInfo info = getNetworkInfo();
return (info != null && info.isConnectedOrConnecting() && info.getType() == ConnectivityManager.TYPE_WIFI);
}
private boolean isConnectedToMobile() {
NetworkInfo info = getNetworkInfo();
return (info != null && info.isConnectedOrConnecting() && info.getType() == ConnectivityManager.TYPE_MOBILE);
}
public boolean isConnectedToInternet() {
boolean isWifiConnected = isConnectedToWifi();
boolean isMobileConnected = isConnectedToMobile();
return isWifiConnected || isMobileConnected;
}
}
你的设备是三星吗?三星具有省电模式,您必须允许以下方式使用您的应用程序: 步骤1
步骤2