[英]How to close the navigation drawer after clicking on item in RecyclerView that is in the nav drawer
我有一个里面有RecyclerView的导航抽屉。 当单击RecyclerView中的项目时,我可以使用以下RecyclerAdapter成功导航到所需的活动:
public class AdapterNavigation extends RecyclerView.Adapter<AdapterNavigation.Holder> {
private List<NavigationItem> mItemList;
private Context mContext;
//this class takes a context and a list of the items you want to populate into the recycler view
public AdapterNavigation(Context context, List<NavigationItem> itemList) {
mItemList = itemList;
mContext = context;
}
@Override
public Holder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
//our xml showing how one row looks
View row = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.recycler_view_navigation, viewGroup, false);
Holder holder = new Holder(row);
return holder;
}
@Override
public void onBindViewHolder(Holder holder, final int position) {
holder.recyclerNavigation.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
final Intent intent;
switch (position){
//specify what activity will launch on click
case 0:
intent = new Intent(mContext, Maintenance.class);
break;
case 1:
intent = new Intent(mContext, Contact.class);
break;
default:
intent = new Intent(mContext, MainActivity.class);
break;
}
mContext.startActivity(intent);
}
});
NavigationItem item = mItemList.get(position);
holder.iconImageView.setImageResource(item.getIcon());
holder.titleTextView.setText(item.getTitle());
holder.countTextView.setText(Integer.toString(item.getCount()));
}
@Override
public int getItemCount() {
return mItemList.size();
}
public class Holder extends RecyclerView.ViewHolder {
protected ImageView iconImageView;
protected TextView titleTextView;
protected TextView countTextView;
protected RelativeLayout recyclerNavigation;
public Holder(View view) {
super(view);
iconImageView = (ImageView) view.findViewById(R.id.iconImageView);
titleTextView = (TextView) view.findViewById(R.id.titleTextView);
countTextView = (TextView) view.findViewById(R.id.countTextView);
//the whole view
recyclerNavigation = (RelativeLayout) view.findViewById(R.id.recyclerNavigation);
}
}
}
现在,我要做的就是在单击某项之前关闭导航抽屉。 当您在android Gmail应用程序的导航菜单中单击某个项目时,它的外观。
因此,在此之前:
mContext.startActivity(intent);
我将关闭导航抽屉。
问题是获得对该导航抽屉的引用。 我正在考虑从我所拥有的上下文中获取观点,因为这就是我所拥有的。
有没有办法做到这一点,还是我必须更改一些代码?
首先,每次绑定一个Viewholder时都将创建一个clicklistener。 考虑在查看器的构造函数中this
设置一个clicklistener。 您可以在侦听器中使用ViewHolder.getAdapterPosition()
。
要回答这个问题,您已经将Context
传递给了适配器,为什么不同时将其(和视图持有者)传递给导航抽屉呢?
获取抽屉布局的参考,并在mContext.startActivity(intent)之前添加以下行; cabinetLayout.closeDrawers();
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.