NetWorkChangeBroadcastReceiver.java

package com.sxjs.common.receiver;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;

import com.sxjs.common.widget.NoNetWorkNotice;

/**
 * @author：admin on 2017/4/11 18:06.
 */

public class NetWorkChangeBroadcastReceiver extends BroadcastReceiver {

    private Activity activity;
    private NoNetWorkNotice noNetWorkNotice;

    public NetWorkChangeBroadcastReceiver(Activity activity) {
        this.activity = activity;
    }

    public NetWorkChangeBroadcastReceiver() {
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        ConnectivityManager connectivityManager=
                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        if (connectivityManager!=null) {
            if(noNetWorkNotice == null) noNetWorkNotice = NoNetWorkNotice.getInstance(activity);
            NetworkInfo[] networkInfos=connectivityManager.getAllNetworkInfo();
            for (NetworkInfo networkInfo : networkInfos) {
                NetworkInfo.State state = networkInfo.getState();
                if (NetworkInfo.State.CONNECTED == state) {
                    if(null != noNetWorkNotice && noNetWorkNotice.isShowing()){
                        noNetWorkNotice.cancel();
                    }
                    return;
                }
            }
            if(null != noNetWorkNotice && !noNetWorkNotice.isShowing()){
                noNetWorkNotice.show();
            }
        }

    }


    public void onDestroy(){
        if(null != noNetWorkNotice){
            if(noNetWorkNotice.isShowing()){
                noNetWorkNotice.cancel();
            }
            activity = null;
            noNetWorkNotice = null;
        }
    }
}