android-recyclerview

来源： https://stackoverflow.com/questions/63070004/how-to-attach-a-permanent-listener-to-a-firestore-query

来源： https://stackoverflow.com/questions/63368961/no-adapter-attached-skipping-layout-issue-in-recycler-vierw-after-fragment-resu

来源： https://stackoverflow.com/questions/63368961/no-adapter-attached-skipping-layout-issue-in-recycler-vierw-after-fragment-resu

来源： https://stackoverflow.com/questions/45238053/recyclerview-children-match-parent

来源： https://stackoverflow.com/questions/58025961/w-firestore-customclassmapper-no-setter-field-for-class-android

来源： https://stackoverflow.com/questions/58025961/w-firestore-customclassmapper-no-setter-field-for-class-android

来源： https://stackoverflow.com/questions/58025961/w-firestore-customclassmapper-no-setter-field-for-class-android

来源： https://stackoverflow.com/questions/36908448/android-getadapterposition-returns-1-after-deleting-an-item

来源： https://stackoverflow.com/questions/36908448/android-getadapterposition-returns-1-after-deleting-an-item

问题 I have an app that stores some data in room database. At first, my adapter was like that: public class ViewCourseAdapter extends ListAdapter<Course, ViewCourseAdapter.ViewCourseHolder> { private int previousPosition = 0; public ViewCourseAdapter() { super(DIFF_CALLBACK); } private static final DiffUtil.ItemCallback<Course> DIFF_CALLBACK = new DiffUtil.ItemCallback<Course>() { @Override public boolean areItemsTheSame(@NonNull Course oldItem, @NonNull Course newItem) { return oldItem.getId() ==