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How to dynamically add and remove view to viewpager?
// The app should call this to remove pages; not used by ViewPager. public int removeView (ViewPager pager, int position) { // ViewPager doesn’t have a delete method; the closest is to set the adapter // again. When doing so, it deletes all its views.
How does view pager set current page programmatically?
I have three Tab in my view pager, but when I call viewPager.setCurrentItem (viewPager.getCurrentItem ()+1) on the first Fragment, it moves to the third Fragment instead of the second Fragment. And if I call same function in the second Fragment, it goes to the third.
How to disable scroll in viewpager programmatically?
I wrote a custom ViewPager to disable Swipe Scroll, but I want to swipe programmatically. I have three Tab in my view pager, but when I call viewPager.setCurrentItem (viewPager.getCurrentItem ()+1) on the first Fragment, it moves to the third Fragment instead of the second Fragment.
How to obtain unique ID in Android viewpager?
How to obtain unique id (which is generated in R class) without having a component defined in the xml file is written here: Android: View.setID (int id) programmatically – how to avoid ID conflicts? (the post with ids.xml in res/values answer). Thanks for contributing an answer to Stack Overflow!
Why does viewpager wrap _ content-Stack Overflow not work?
The height is wraped around the first child view. This could lead to unexpected results if the child views are not exactly the same height. For that the class can be easily extended to let’s say animate to the size of the current view/page. But I didn’t need that.
Is it possible to use viewpager in relativelayout?
Advantage: This approach allows using the ViewPager in any layout including RelativeLayout to overlay other ui elements. One drawback remains: If you want to use margins, you have to create two nested layouts and give the inner one the desired margins.
What does overriding onmeasure of viewpager do?
Overriding onMeasure of your ViewPager as follows will make it get the height of the biggest child it currently has.
Why does the viewpager not remove the fragments?
The ViewPager doesn’t remove your fragments with the code above because it loads several views (or fragments in your case) into memory. In addition to the visible view, it also loads the view to either side of the visible one. This provides the smooth scrolling from view to view that makes the ViewPager so cool.
When to delete embedded pages in a page list?
My requirement is to delete embedded pages in a page list when a property in those embedded pages has certain value. 1.
What does position _ none mean in viewpager?
Because POSITION_NONE means that fragment should be destroyed and a new fragment will be created. You can check that in dataSetChanged function in the source code of ViewPager. So I think you’d better use an arraylist of weakReference to save all the fragments you have created.