问安卓穿戴Intent.putExtra几个页面与contentAction

EN

for (int i=dataMapItem.getDataMap().size()-1; i>=0; i--) {

                ...

                Intent detailIntent =  new Intent(this, DetailActivity.class);
                detailIntent.putExtra(DetailActivity.EXTRA_ID, id);
                PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
                        detailIntent, PendingIntent.FLAG_UPDATE_CURRENT);

                Notification.Action action = new Notification.Action(R.drawable.btn_blue_small, "open", pendingIntent);

                actions.add(action);

                if(i!=0) {
                    Notification notificationPage = new Notification.Builder(this)
                            .setContentTitle(title)
                            .setContentText(text)
                            .extend(new Notification.WearableExtender()
                                            .setBackground(colorBitmap)
                                            .setContentAction(i)
                            )
                            .build();

                    pages.add(notificationPage);

                } else {
                    Notification.Builder notificationBuilder = new Notification.Builder(this)
                            .setSmallIcon(R.drawable.ic_launcher)
                            .setContentTitle(title)
                            .setContentText(text)
                            .extend(new Notification.WearableExtender()
                                            .addActions(actions)
                                            .addPages(pages)
                                            .setContentAction(i)
                                            .setBackground(colorBitmap)
                                            .setHintHideIcon(true)
                            );

                    Notification notification = notificationBuilder.build();
                    notification.defaults |= Notification.DEFAULT_VIBRATE;

                    ((NotificationManager) getSystemService(NOTIFICATION_SERVICE))
                            .notify(NOTIFICATION_ID, notification);
                }

            }

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_detail);

    mTextid = (TextView) findViewById(R.id.txtid);

    Intent intent = getIntent();
    if(intent != null) {
        id = intent.getStringExtra(EXTRA_ID);

    ...
}