import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Proxy;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Proxy;
try { // Check to see if Orbot is installed.
PackageManager packageManager = privacyBrowserContext.getPackageManager();
packageManager.getPackageInfo("org.torproject.android", PackageManager.GET_ACTIVITIES);
try { // Check to see if Orbot is installed.
PackageManager packageManager = privacyBrowserContext.getPackageManager();
packageManager.getPackageInfo("org.torproject.android", PackageManager.GET_ACTIVITIES);