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NetConnectUtils.java
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84 lines (77 loc) · 2.67 KB
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import android.content.Context;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import java.util.List;
public class NetConnectUtils {
/**
* 检测网络是否连接
*
* @return
*/
public static boolean isNetConnected(Context context) {
//1、获取ConnectivityManager对象
// 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) {
//2、获取NetworkInfo对象
NetworkInfo info = connectivityManager.getActiveNetworkInfo();
//3、判断当前网络状态是否为连接状态
if (info != null && info.isConnected()) {
// 当前网络是连接的
if (info.getState() == NetworkInfo.State.CONNECTED) {
// 当前所连接的网络可用
return true;
}
}
}
return false;
}
/**
* 检测wifi是否连接
*
* @return
*/
public boolean isWifiConnected(Context context) {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm != null) {
NetworkInfo networkInfo = cm.getActiveNetworkInfo();
if (networkInfo != null
&& networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
return true;
}
}
return false;
}
/**
* 检测3G是否连接
*
* @return
*/
public boolean is3gConnected(Context context) {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm != null) {
NetworkInfo networkInfo = cm.getActiveNetworkInfo();
if (networkInfo != null
&& networkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
return true;
}
}
return false;
}
/**
* 检测GPS是否打开
*
* @return
*/
public static boolean isGpsEnabled(Context context) {
LocationManager lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
List<String> accessibleProviders = lm.getProviders(true);
for (String name : accessibleProviders) {
if ("gps".equals(name)) {
return true;
}
}
return false;
}
}