hutong

问题非常大，java.lang.IndexOutOfBoundsException: Index: 0, Size: 0

1

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 at java.util.ArrayList.get(ArrayList.java:437) at com.chaychan.library.BottomBarLayout.onRestoreInstanceState(BottomBarLayout.java:272) at android.view.View.dispatchRestoreInstanceState(View.java:20929) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4019) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4025) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4025) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4025) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4025) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4025) at android.view.View.restoreHierarchyState(View.java:20907) at com.android.internal.policy.PhoneWindow.restoreHierarchyState(PhoneWindow.java:2185) at android.app.Activity.onRestoreInstanceState(Activity.java:1721)

Pages must fill the whole ViewPager2 (use match_parent)

2

这个问题很奇葩，就在fragment中使用了自定义的adapter，就报错了，用自带的adapter不会错