NetGuard/app/src/main/java/eu/faircode/netguard/Util.java

package eu.faircode.netguard;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.widget.Toast;

import java.util.Set;

public class Util {
    public static String getSelfVersionName(Context context) {
        try {
            PackageInfo pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
            return pInfo.versionName;
        } catch (PackageManager.NameNotFoundException ex) {
            return ex.toString();
        }
    }

    public static boolean isWifiActive(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo ni = cm.getActiveNetworkInfo();
        return (ni != null && ni.getType() == ConnectivityManager.TYPE_WIFI);

    }

    public static void toast(final String text, final int length, final Context context) {
        new Handler(Looper.getMainLooper()).post(new Runnable() {
            @Override
            public void run() {
                Toast.makeText(context, text, length).show();
            }
        });
    }

    public static void logExtras(String tag, Intent intent) {
        logBundle(tag, intent.getExtras());
    }

    public static void logBundle(String tag, Bundle data) {
        if (data != null) {
            Set<String> keys = data.keySet();
            StringBuilder stringBuilder = new StringBuilder();
            for (String key : keys)
                stringBuilder.append(key).append("=").append(data.get(key)).append("\r\n");
            Log.d(tag, stringBuilder.toString());
        }
    }
}