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Updated on 2025-03-08

An example of ViewPager determining whether to mark left or right

An example of ViewPager determining whether to mark left or right

Updated: April 22, 2017 10:29:23 Submission: jingxian
Below, the editor will bring you an example of whether ViewPager determines whether to mark left or right. The editor thinks it is quite good, so I will share it with you now and give you a reference. Let's take a look with the editor

Examples are as follows:

//Record the positionOffsetPixels value of the last slide  private int lastValue = -1;
   private boolean isLeft = true;


 (new () {
    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
      if (positionOffset != 0) {
        if (lastValue >= positionOffsetPixels) {
          //Swipe right          isLeft = false;
        } else if (lastValue < positionOffsetPixels) {
          //Swipe left          isLeft = true;
        }
        setIndiactorView(positionOffset,isLeft);
      }
      lastValue = positionOffsetPixels;

    }

    @Override
    public void onPageSelected(int position) {
      if (isLeft){
        ("onPageScrolled","--->Stroke left");
      }else {
        ("onPageScrolled","--->Stroke right");

      }
    }

    @Override
    public void onPageScrollStateChanged(int state) {

    }
  });

The above example of whether to judge whether to mark left or right in ViewPager is all the content I have shared with you. I hope you can give you a reference and I hope you can support me more.

  • viewpager
  • Stroke left
  • Stroke right

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