I'd like to be able to get the current visible view from my ViewPager,
but the index reported to my OnPageChangeListener doesn't seem to
always be correct. (i.e. sometimes I get a null View, or a view other
than the one that's centered).
Here's some code:
public class ReaderViewPager extends ViewPager {
private int focusedIndex;
private int newFocusedIndex;
private Direction dir;
private final ViewPager.OnPageChangeListener mPageChangeListener =
new ViewPager.OnPageChangeListener() {
public void onPageSelected(int index) {
Log.d(TAG, "SELECTED "+index);
newFocusedIndex = index;
}
public void onPageScrolled(int arg0, float arg1, int arg2) {
Log.d(TAG, "onPageScrolled has happened");
}
public void onPageScrollStateChanged(int state) {
Log.d(TAG, "onPageScrollStateChanged has happened");
if (state == ViewPager.SCROLL_STATE_IDLE) {
focusedIndex = newFocusedIndex;
}
}
};
public ReaderViewPager(Context context) {
super(context);
initReaderViewPager(context);
}
public ReaderViewPager(Context context, AttributeSet attrs) {
super(context, attrs);
initReaderViewPager(context);
}
private void initReaderViewPager(Context context){
focusedIndex = 0;
setOnPageChangeListener(mPageChangeListener);
}
@Override
public boolean onInterceptTouchEvent(MotionEvent arg0) {
PageView view = (PageView) this.getChildAt(focusedIndex);
if (view != null && !view.hasNextViewport(Direction.RIGHT))
{
return super.onInterceptTouchEvent(arg0);
}
return false;
}
In the end, I'd like to be able to intercept touches from with my
child views before the parent container sees them. Suggestions etc?
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