Would please provide me a copy of your code? I don't know why I can't gget it to work.
thanks On Jun 12, 2:58 pm, Keith Wiley <[email protected]> wrote: > Hmmm, I just added this functionality to my own project and it works > like a charm. > > Let's see. To get this going you need a few things. The class that > will receive your callback must implement the > GestureDetector.OnDoubleTapListener interface, for which it must > include implementations of onSingleTapConfirmed(), onDoubleTap(), and > onDoubleTapEvent(). In addition, I generally include as a member of > that class a GestureDetector object (I frequently include and use > OnGestureListener as well but I don't think that's relevant to this > discussion). Then, you must register your interest in the associated > callbacks, somewhere around the time of onCreate(), via some code like > this: > > mGestureDetector = new GestureDetector(this); > mGestureDetector.setOnDoubleTapListener(this); > > That should get it going. One other thing I did was override > dispatchTouchEvent(), at the end of which I call: > > return mGestureDetector.onTouchEvent(event); > > ...but I'm not at all sure you *need* to do this to get double taps > rolling. I was using dispatchTouchEvent() for some other things. > > On Jun 12, 9:59 am, Georgy <[email protected]> wrote: > > > still it doesn't get the double taps... > > > On Jun 12, 12:57 pm, Keith Wiley <[email protected]> wrote: > > > > If I'm understanding you correctly, you *named* your handler method > > > "setOnDoubleTapListener()". That's not right. That's the callback > > > setup method you call, passing it the object that you want called back > > > to in the event of a double tap. The callback method is then some > > > other name. In your case, I found the following: > > > >http://developer.android.com/reference/android/view/GestureDetector.O... > > > > which suggests you need to write a method with the following > > > signature: > > > > boolean onDoubleTap(MotionEvent e); > > > > On Jun 12, 9:08 am, Georgy <[email protected]> wrote: > > > > > Hello, > > > > > I was able to listen to user touches or taps on the screen in a > > > > MapView and trigger a dialog giving the user some feedback. I need to > > > > implement the same concept but with double tap to trigger another > > > > dialog. > > > > > I looked around and couldn't find much... I wrote this function: > > > > > public void setOnDoubleTapListener(MotionEvent event, MapView > > > > mapView) > > > > { > > > > if (event.getAction() == MotionEvent.ACTION_UP) { > > > > > Dialog dialog1 = new > > > > Dialog(HelloMapView2.this); > > > > dialog1.setTitle("Current Location"); > > > > dialog1.setContentView(R.layout.custom); > > > > TextView current_locode = (TextView) > > > > dialog1.findViewById > > > > (R.id.text); > > > > current_locode.setText("Current LoCode: > > > > ...."); > > > > dialog1.show(); > > > > > } > > > > > but the compiler never goes through it when I double tap. > > > > > any ideas? > > > > thanks --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
