app/src/main/java/se/leap/bitmaskclient/eip/VoidVpnLauncher.java


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package se.leap.bitmaskclient.eip;

import android.app.*;
import android.content.*;
import android.net.*;
import android.os.*;

public class VoidVpnLauncher extends Activity {

    private static final int VPN_USER_PERMISSION = 71;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setUp();
    }

    public void setUp() {
        Intent blocking_intent = VpnService.prepare(getApplicationContext()); // stops the VPN connection created by another application.
        if (blocking_intent != null)
            startActivityForResult(blocking_intent, VPN_USER_PERMISSION);
        else {
            onActivityResult(VPN_USER_PERMISSION, RESULT_OK, null);
        }
    }

    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == VPN_USER_PERMISSION) {
            if (resultCode == RESULT_OK) {
                Intent void_vpn_service = new Intent(getApplicationContext(), VoidVpnService.class);
                void_vpn_service.setAction(Constants.START_BLOCKING_VPN_PROFILE);
                startService(void_vpn_service);
            }
        }
        finish();
    }
}