//Activity target
protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Intent intent = getIntent();
 	if(intent != null && intent.getExtras() != null) {
            Bundle extras = intent.getExtras();
            if (extras.containsKey(ChallengeProposal.NAME))
                proposal = (ChallengeProposal) intent.getSerializableExtra(ChallengeProposal.NAME);
        }
}

// Service calling notification
public int onStartCommand(Intent intent, int flags, int startId) {
	Intent intentCancel = new Intent(getApplicationContext(), ChallengeProposalActivity.class);
        intent.setAction(String.valueOf(System.currentTimeMillis()));
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
        intent.putExtra(ChallengeProposal.NAME, proposal);
        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intentCancel, 0);
        builderProgress.addAction(R.mipmap.ic_ab_close, "Cancelar", pendingIntent);
	// notify by NotificationManager
}