Android 网络检测

package net.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

public class NetCheck {

 

   public static boolean isNetOk(Context context) {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            return isLegacyNetCheck(context);
        } else {
            return isNewNetCheck(context);
        }
    }


    /**
     * SDK API 小于23使用
     *
     * @return
     */
    private static boolean isLegacyNetCheck(Context context) {
        return isMobileConnection(context) || isWIFIConnection(context);
    }

    /**
     * 判断手机接入点（APN）是否处于可以使用的状态
     * sdk <23
     *
     * @param context
     * @return
     */
    private static boolean isMobileConnection(Context context) {
        ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = manager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
        if (networkInfo != null && networkInfo.isConnected()) {
            return true;
        }
        return false;
    }

   
     、/* 判断当前wifi是否是处于可以使用状态
     * sdk <23
     *
     * @param context
     * @return
     */
    private static boolean isWIFIConnection(Context context) {
        ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

        if (networkInfo != null && networkInfo.isConnected()) {
            return true;
        }
        return false;
    }


    /**
     * sdk 23以上使用的方法
     *
     * @param context
     * @return
     */
    private static boolean isNewNetCheck(Context context) {
        ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
        return (networkInfo != null && networkInfo.isConnected());
    }

}