Help with views

[stevel05]

Hi

I am trying to understand the use of views within B4A, I am having problems getting a view to display.

I have created an app which contains one activity and two views, which works as I expect. These use a basic view generated in Designer which is then added to in the program. The structure ends up as (I think)

Activity
|
ScrollView
|
Panel
|
Canvas

I am using the canvas to display text to save creating hundreds of labels (as per previous post).

Now I want to add a further panel that overlays the Canvas when the screen is touched/clicked. I think the structure should now be:

____ Activity_____
|----------|
ScrollView Panel2
|
Panel
|
Canvas


I have created the layout in designer and loaded it into a new panel, but how do I get it to display when the first panel is clicked?

I attach an example program that is just the view management. I am sure I am missing something simple.

One further question, what is the difference between a click and a touch? or is it just the information that is returned that differs.

**Edit** I should have added that from the first screen select any item, then click on the second screen, this is where I want to display the new panel.

Thanks in advance.

Steve

 

[Erel]

Canvas is not a View. It is a drawing tool that allows you to draw over bitmaps or views.

One further question, what is the difference between a click and a touch? or is it just the information that is returned that differs.

A click happens when the user presses on the view and releases it. During a single click many Touch events can be raised.
The first one will be with Action = Activity.ACTION_DOWN. Then there can many events with Action = Activity.ACTION_MOVE. Eventually another event will be raised with Activity.ACTION_UP.

 

[alfcen]

As far as I can see, Activity_Click and Activity_LongClick are disabled if you have an Activity_Touch event.

This is not handy, by a required physical restriction - so I believe.

 

[stevel05]

Yes, I noticed it was either touch or click, I didn't try long click but I am sure you're right.

 

[stevel05]

I can get the additional panel to display if I create it within the program, so problem solved for now

It would be interesting to know what I've got wrong using the designer for future reference. I have since read that you cant add items to the scroll view in the designer, so I know that's wrong, but it didn't help in displaying it.

Steve