CancelOperationActivity.java

package org.exobel.routerkeygen;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.os.Bundle;

public class CancelOperationActivity extends Activity {

    public static final String SERVICE_TO_TERMINATE = "terminateService";
    public static final String MESSAGE = "message";

    @SuppressWarnings("deprecation")
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_cancel_operation);
        if (getIntent().getStringExtra(SERVICE_TO_TERMINATE) == null)
            finish();
        else {
            showDialog(0);
        }
    }

    /*
     * {@inheritDoc}
     */
    @Override
    protected Dialog onCreateDialog(int id) {
        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
        String message = getIntent().getStringExtra(MESSAGE);
        if (message == null)
            message = getString(android.R.string.cancel) + "?";
        builder.setTitle(R.string.app_name)
                .setNegativeButton(android.R.string.no,
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog,
                                                int which) {
                                dialog.dismiss();
                                finish();
                            }
                        })
                .setPositiveButton(android.R.string.yes, new OnClickListener() {

                    public void onClick(DialogInterface dialog, int which) {

                        dialog.dismiss();
                        try {
                            stopService(new Intent(getApplicationContext(),
                                    Class.forName(getIntent().getStringExtra(
                                            SERVICE_TO_TERMINATE))));
                        } catch (ClassNotFoundException e) {
                            e.printStackTrace();
                        }

                        finish();
                    }
                }).setMessage(message);
        return builder.create();
    }

}