Something like the following should work for you; the following class wraps up grace period/confirmation dialog logic to provide the same experience as built-in Glassware.
public class GracePeriodDialog extends Dialog {
private static final long COMPLETION_MESSAGE_TIMEOUT_MILLIS = 1000;
private final DialogInterface.OnClickListener mOnClickListener;
private final AudioManager mAudioManager;
private final GestureDetector mGestureDetector;
private final CharSequence mCompletedText;
private View mContentView;
private Slider.GracePeriod mGracePeriod;
/** Handles the tap gesture to complete the grace period early. */
private final GestureDetector.BaseListener mBaseListener =
new GestureDetector.BaseListener() {
@Override
public boolean onGesture(Gesture gesture) {
if (gesture == Gesture.TAP) {
// Cancel the grace period if the user tapped early so that the completion event
// doesn't fire twice.
mGracePeriod.cancel();
showCompletion();
return true;
}
return false;
}
};
/** Called when the grace period has ended to show the completion message. */
private final Slider.GracePeriod.Listener mGracePeriodListener =
new Slider.GracePeriod.Listener() {
@Override
public void onGracePeriodEnd() {
showCompletion();
}
@Override
public void onGracePeriodCancel() {}
};
/**
* Called after a 1-second delay when the grace period has completed (or the user tapped).
* Forwards the successful completion as an {@code onClick} event on the dialog.
*/
private final Runnable mDoneRunnable = new Runnable() {
@Override
public void run() {
if (mOnClickListener != null) {
// Since Glass dialogs do not have buttons, the index passed to onClick is always 0.
mOnClickListener.onClick(GracePeriodDialog.this, 0);
}
dismiss();
}
};
/**
* Creates a new {@code GracePeriodDialog}. The dialog can show a progress message and icon
* while the grace period is running, which changes to a completion message when the grace
* period ends (for example, "Sending" -> "Sent".
*/
public GracePeriodDialog(Context context,
int progressIconId, CharSequence progressText,
CharSequence completedText,
DialogInterface.OnClickListener onClickListener) {
super(context);
mOnClickListener = onClickListener;
mAudioManager =
(AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
mGestureDetector =
new GestureDetector(context).setBaseListener(mBaseListener);
mCompletedText = completedText;
updateContentView(progressText, progressIconId);
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
mGracePeriod = Slider.from(mContentView).startGracePeriod(mGracePeriodListener);
}
@Override
public void onBackPressed() {
mGracePeriod.cancel();
super.onBackPressed();
}
/** Overridden to let the gesture detector handle a possible tap event. */
@Override
public boolean onGenericMotionEvent(MotionEvent event) {
return mGestureDetector.onMotionEvent(event)
|| super.onGenericMotionEvent(event);
}
private void showCompletion() {
mAudioManager.playSoundEffect(Sounds.SUCCESS);
updateContentView(mCompletedText, R.drawable.ic_done_50);
mContentView.postDelayed(mDoneRunnable, COMPLETION_MESSAGE_TIMEOUT_MILLIS);
}
private void updateContentView(CharSequence text, int iconResId) {
mContentView = new CardBuilder(getContext(), CardBuilder.Layout.MENU)
.setText(text)
.setIcon(iconResId)
.getView();
setContentView(mContentView);
}
}
One possible gotcha to watch out for: make sure that your menu activity isn't being finished (in onOptionsMenuClosed, for example) before you display the dialog or start the grace period.
