Restrict Scrolling

[KaushikNathMIT]

Is there a way I can restrict the scrolling between the pages. I only want to scroll when some condition is fullfilled.

[blipinsk]

Which pages do you want to restrict access to?

[KaushikNathMIT]

The pages should be available. The user should not be able to swipe away a particular page to access the next page. Changing of pages is done programmatically.

[blipinsk]

Ok, so if changing of pages is done only programmatically, then the only thing you need to do is to disable touch in the FlippableStackView (hint: it's just a ViewPager). You can do that for example by extending FlippableStackView and applying the mechanisms from here.

[KaushikNathMIT]

I have tried to use the setOnTouchListener()

flippableStackView.initStack(4, StackPageTransformer.Orientation.HORIZONTAL);
myadapter = new CustomAdapter(questionArray, posPointArray, negPointArray,   getSupportFragmentManager(), viewPagerFragments);
flippableStackView.setAdapter(myadapter);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        flippableStackView.setCurrentItem(0);
 }
 flippableStackView.setOnTouchListener(new View.OnTouchListener() {
     @Override
     public boolean onTouch(View view, MotionEvent motionEvent) {
         return true;
     }
});`

But it doesnot seem to work. I can still swap from one page to another.

[blipinsk]

Use the one approach I sent you in the link (you will have to extend the FlippableStackView).

[KaushikNathMIT]

I fixed it by using this line before returning true from the onTouch() function flippableStackView.setCurrentItem(flippableStackView.getCurrentItem());

[blipinsk]

That's interesting that you used the least reliable of the approaches from the StackOverflow thread (look at the first comment under the answer), and you used a random "solution" to make it barely work, instead of just going with a simple, elegant and solid solution (the one I pointed you to). Out of curiosity: why didn't you try the other approach?

[KaushikNathMIT]

I couldn't use the better solution, because I can't extend the FlippableStackView class. I am already extending the AppCompatActivity class. I actually have no idea how can I implement the way as u have mentioned.

On Fri 23 Sep, 2016, 7:29 PM Bartek Lipinski, notifications@github.com wrote:

That's interesting that you used the least reliable of the approaches from the StackOverflow thread (look at the first comment under the answer http://stackoverflow.com/a/13392198/1993204), and you used a random "solution" to make it barely work, instead of just going with a simple, elegant and solid solution (the one I pointed you to). Out of curiosity: why didn't you try the other approach?

— You are receiving this because you modified the open/close state.

Reply to this email directly, view it on GitHub https://github.com/blipinsk/FlippableStackView/issues/24#issuecomment-249200695, or mute the thread https://github.com/notifications/unsubscribe-auth/AO7EUe8g2Z9_XCel_hWlp5QlCFcZCfshks5qs9s7gaJpZM4KEyHF .

[blipinsk]

You should've just said that you're not sure how to extend a FlippableStackView class, I'd be happy to help you with that. Just create another class in your package, name it e.g. DisableableFlippableStackView and use the following code as it's contents:

public class DisableableFlippableStackView extends FlippableStackView {

    private boolean pagingEnabled;

    public DisableableFlippableStackView(Context context) {
        super(context);
        setupView();
    }

    public DisableableFlippableStackView(Context context, AttributeSet attrs) {
        super(context, attrs);
        setupView();
    }

    private void setupView() {
        this.pagingEnabled = true;
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        if (this.pagingEnabled) {
            return super.onTouchEvent(event);
        }

        return false;
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent event) {
        if (this.pagingEnabled) {
            return super.onInterceptTouchEvent(event);
        }

        return false;
    }

    public void setPagingEnabled(boolean enabled) {
        this.pagingEnabled = enabled;
    }
}

And use DisableableFlippableStackView instead of FlippableStackView in your layout xml.

[KaushikNathMIT]

Thank you so much It worked!!!!

[blipinsk]

👍

[fenggit]

👍

I need your help，How to dynamically set the page only up or down？Thank you