ViewPager with fragments – onPause(), onResume()?
The ViewPager comes with the OnPageChangeListener interface. By setting some flags for the previous and currently shown pages, you can emulate this behavior.
The ViewPager comes with the OnPageChangeListener interface. By setting some flags for the previous and currently shown pages, you can emulate this behavior.
After a lengthy investigation it turns out to be a problem with the fragment manager. When using a construct like the one above the fragment transaction to reattach the fragment to the page list is silently discarded. It is basically the same problem that causes a java.lang.IllegalStateException: Recursive entry to executePendingTransactions when trying to alter … Read more
In Support Package, r4 you can use these methods: setPageMargin(int marginPixels) setPageMarginDrawable(Drawable) setPageMarginDrawable(int) in ViewPager class. I don’t know why this doesn’t have equivalent in XML 🙁 If you need use dip unit you can use this method: public static int convertDip2Pixels(Context context, int dip) { return (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip, context.getResources().getDisplayMetrics()); }
Go to Project → Properties → Java Build Path than select Order and Export tab. Set android-support-v4.jar library checked and up it into top of the list. And clean and rebuild..It works for most of the cases
An interim solution while waiting for a patched release is to use a copy of the latest known good version of these classes (22.1.0) instead of the one bundled with the support library. Drop the attached files into your project and setup your ViewPager with these classes instead. Note: do not change their package name … Read more
SnapHelper supplies the necessary framework for what you are attempting, but it needs to be extended to handle blocks of views. The class SnapToBlock below extends SnapHelper to snap to blocks of views. In the example, I have used four views to a block but it can be more or less. Update: The code has … Read more
As per this issue: Navigation focuses on elements that affect the back stack and tabs do not affect the back stack – you should continue to manage tabs with a ViewPager and TabLayout
So I’ll post what I think is the solution to my problem. After adding a single line to my above code giving the ViewPager a “random” ID; it managed to fix my problem. At first I was convinced that setting your own ID is bad practice, but apparently there are legitimate ways of doing this. … Read more
Masoud Dadashi’s answer helped me figure it out. here is how it looks in the end. viewPager.setOnTouchListener(new OnTouchListener() { private int CLICK_ACTION_THRESHOLD = 200; private float startX; private float startY; @Override public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: startX = event.getX(); startY = event.getY(); break; case MotionEvent.ACTION_UP: float endX = … Read more
To show preview of left and right pages set the following two values viewpager.setClipToPadding(false); viewpager.setPadding(left,0,right,0); If you need space between two pages in the viewpager then add viewpager.setPageMargin(int);