easy blog

package com.technicolor.wifitestapp;

import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.LinkProperties;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkRequest;

import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.IBinder;
import android.util.Log;
import android.widget.RemoteViews;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.core.app.NotificationCompat;

public class WifiTestService extends Service {
    private static String LOG_TAG = "easy";


    private Context mContext;
    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        Log.d(LOG_TAG, "onStartCommand");

        printAllNetworks();

        return START_STICKY;//super.onStartCommand(intent, flags, startId);
    }
    private ConnectivityManager.NetworkCallback mNetworkCallback;
    @Override
    public void onCreate() {
        Log.d(LOG_TAG, "onCreate");
        registerNetworkCallback();
        mContext=getApplicationContext();
        super.onCreate();
        startFgService();
    }



    @Override
    public void onDestroy() {
        Log.d(LOG_TAG, "onDestory");
        super.onDestroy();
        unregisterNetworkCallback();


    }

    void startFgService(){
        Intent intent = new Intent(this, MainActivity.class);

        PendingIntent pi = PendingIntent.getActivity(this, 0, intent, 0);
        String CHANNEL_ID= "test";

        NotificationCompat.Builder builder;
        NotificationChannel ch = new NotificationChannel(CHANNEL_ID, "test channel", NotificationManager.IMPORTANCE_DEFAULT);


        ((NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE)).createNotificationChannel(ch);
        builder = new NotificationCompat.Builder(this,CHANNEL_ID );
        builder.setContentIntent(pi);
        startForeground(1, builder.build());
    }
    private void printAllNetworks(){


        ConnectivityManager cm = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
        Network[] networks = cm.getAllNetworks();

        for ( Network n  : networks){
            Log.d(LOG_TAG, "print all networks");
            NetworkCapabilities np = cm.getNetworkCapabilities(n);
            Log.d(LOG_TAG, np.toString());
        }

    }

    @RequiresApi(api = Build.VERSION_CODES.Q)
    private void workaround(){
        WifiManager mWifiManager  = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
        ConnectivityManager cm = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
        Network[] networks = cm.getAllNetworks();

        for ( Network n  : networks){
            Log.d(LOG_TAG, "print all networks");
            LinkProperties lp = cm.getLinkProperties(n);
            String iName = lp.getInterfaceName();

            Log.d(LOG_TAG, iName);
            if(iName.equals("eth0")){
                Log.d(LOG_TAG, iName + "found don't workaround....");
                return;
            }
        }


        if (mWifiManager.isWifiEnabled()) {

            Log.d(LOG_TAG, "wifi manager disconnect and recoonect");
            Toast.makeText(mContext, "wifi manager disconnect and reconnect", Toast.LENGTH_LONG).show();

            mWifiManager.disconnect();
            mWifiManager.reconnect();
        } else {
            Log.e(LOG_TAG, "wifi disabled");
        }
    }

    private void registerNetworkCallback() {
        ConnectivityManager cm = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkRequest.Builder builder = new NetworkRequest.Builder();

        mNetworkCallback= new ConnectivityManager.NetworkCallback(){

            @Override
            public void onAvailable(@NonNull Network network) {

                super.onAvailable(network);
                Log.d(LOG_TAG, "onAvailable : "+network.toString());
                printAllNetworks();
            }

            @RequiresApi(api = Build.VERSION_CODES.Q)
            @Override
            public void onLost(@NonNull Network network) {
                super.onLost(network);
                Log.d(LOG_TAG, "onLost try to workaround");
                workaround();


            }

        };

        cm.registerNetworkCallback(builder.build(), mNetworkCallback);
    }
    private void unregisterNetworkCallback(){
        ConnectivityManager cm = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
        cm.unregisterNetworkCallback(mNetworkCallback);
    }


}

	protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mContext=getApplicationContext();
        //startService(new Intent(mContext, WifiTestService.class));


        startForegroundService(new Intent(mContext, WifiTestService.class));
    }