Android 如何在javatechig示例中添加回收器项SetOnClickListener
我正在尝试为此Android 如何在javatechig示例中添加回收器项SetOnClickListener,android,onclicklistener,android-recyclerview,Android,Onclicklistener,Android Recyclerview,我正在尝试为此回收视图添加onclicklistener,但我尝试了所有操作,但都没有成功!: 饲料项目: public class FeedItem { private String title; private String thumbnail; private String date; private String tags; public String getTitle() { return title; } p
回收视图添加onclicklistener,但我尝试了所有操作,但都没有成功!:
饲料项目:
public class FeedItem {
private String title;
private String thumbnail;
private String date;
private String tags;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getThumbnail() {
return thumbnail;
}
public void setThumbnail(String thumbnail) {
this.thumbnail = thumbnail;
}
public String getDate() {
return date;
}
public void getDate(String date) {
this.date = date;
}
public String getTags() {
return tags;
}
public void setTags(String tags) {
this.tags = tags;
}
}
public class FeedListRowHolder extends RecyclerView.ViewHolder {
protected ImageView thumbnail;
protected TextView title;
protected TextView date;
protected TextView tags;
public FeedListRowHolder(View view) {
super(view);
this.thumbnail = (ImageView) view.findViewById(R.id.thumbnail);
this.title = (TextView) view.findViewById(R.id.title);
this.date = (TextView) view.findViewById(R.id.date);
this.tags = (TextView) view.findViewById(R.id.tagsItems);
}
}
public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener {
private OnItemClickListener mListener;
public interface OnItemClickListener {
public void onItemClick(View view, int position);
}
GestureDetector mGestureDetector;
public RecyclerItemClickListener(Context context, OnItemClickListener listener) {
mListener = listener;
mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onSingleTapUp(MotionEvent e) {
return true;
}
});
}
@Override
public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {
View childView = view.findChildViewUnder(e.getX(), e.getY());
if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {
mListener.onItemClick(childView, view.getChildAdapterPosition(childView));
return true;
}
return false;
}
@Override
public void onTouchEvent(RecyclerView view, MotionEvent motionEvent) {
}
@Override
public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
}
}
FeedListRowHolder:
public class FeedItem {
private String title;
private String thumbnail;
private String date;
private String tags;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getThumbnail() {
return thumbnail;
}
public void setThumbnail(String thumbnail) {
this.thumbnail = thumbnail;
}
public String getDate() {
return date;
}
public void getDate(String date) {
this.date = date;
}
public String getTags() {
return tags;
}
public void setTags(String tags) {
this.tags = tags;
}
}
public class FeedListRowHolder extends RecyclerView.ViewHolder {
protected ImageView thumbnail;
protected TextView title;
protected TextView date;
protected TextView tags;
public FeedListRowHolder(View view) {
super(view);
this.thumbnail = (ImageView) view.findViewById(R.id.thumbnail);
this.title = (TextView) view.findViewById(R.id.title);
this.date = (TextView) view.findViewById(R.id.date);
this.tags = (TextView) view.findViewById(R.id.tagsItems);
}
}
public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener {
private OnItemClickListener mListener;
public interface OnItemClickListener {
public void onItemClick(View view, int position);
}
GestureDetector mGestureDetector;
public RecyclerItemClickListener(Context context, OnItemClickListener listener) {
mListener = listener;
mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onSingleTapUp(MotionEvent e) {
return true;
}
});
}
@Override
public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {
View childView = view.findChildViewUnder(e.getX(), e.getY());
if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {
mListener.onItemClick(childView, view.getChildAdapterPosition(childView));
return true;
}
return false;
}
@Override
public void onTouchEvent(RecyclerView view, MotionEvent motionEvent) {
}
@Override
public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
}
}
适配器:
public class MyRecyclerAdapter extends RecyclerView.Adapter<FeedListRowHolder> {
private List<FeedItem> feedItemList;
private Context mContext;
public MyRecyclerAdapter(Context context, List<FeedItem> feedItemList) {
this.feedItemList = feedItemList;
this.mContext = context;
}
@Override
public FeedListRowHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View v = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.list_row, null);
return new FeedListRowHolder(v);
}
@Override
public void onBindViewHolder(FeedListRowHolder feedListRowHolder, int i) {
FeedItem feedItem = feedItemList.get(i);
Picasso.with(mContext).load(feedItem.getThumbnail())
.error(R.drawable.placeholder)
.placeholder(R.drawable.placeholder)
.into(feedListRowHolder.thumbnail);
feedListRowHolder.title.setText(Html.fromHtml(feedItem.getTitle()));
feedListRowHolder.date.setText(Html.fromHtml(feedItem.getDate()));
feedListRowHolder.tags.setText(Html.fromHtml(feedItem.getTags()));
}
@Override
public int getItemCount() {
return (null != feedItemList ? feedItemList.size() : 0);
}
}
公共类MyRecyclerAdapter扩展了RecyclerView.Adapter{
私有列表feedItemList;
私有上下文;
公共MyRecyclerAdapter(上下文,列表feedItemList){
this.feedItemList=feedItemList;
this.mContext=上下文;
}
@凌驾
public FeedListRowHolder onCreateViewHolder(视图组视图组,int i){
视图v=LayoutInflater.from(viewGroup.getContext()).flate(R.layout.list_行,null);
返回新的FeedListRowHolder(v);
}
@凌驾
BindViewHolder上的公共无效(FeedListRowHolder FeedListRowHolder,int i){
FeedItem FeedItem=feedItemList.get(i);
毕加索.with(mContext).load(feedItem.getThumbnail())
.错误(R.drawable.placeholder)
.placeholder(R.drawable.placeholder)
.输入(feedListRowHolder.缩略图);
feedListRowHolder.title.setText(Html.fromHtml(feedItem.getTitle());
feedListRowHolder.date.setText(Html.fromHtml(feedItem.getDate());
feedListRowHolder.tags.setText(Html.fromHtml(feedItem.getTags());
}
@凌驾
public int getItemCount(){
返回值(null!=feedItemList?feedItemList.size():0);
}
}
如何将OnClickListener
添加到此RecyclerView
谢谢您可以像这样点击回收项目
public class FeedListRowHolder extends RecyclerView.ViewHolder {
protected ImageView thumbnail;
protected TextView title;
protected TextView date;
protected TextView tags;
public FeedListRowHolder(View view) {
super(view);
this.thumbnail = (ImageView) view.findViewById(R.id.thumbnail);
this.title = (TextView) view.findViewById(R.id.title);
this.date = (TextView) view.findViewById(R.id.date);
this.tags = (TextView) view.findViewById(R.id.tagsItems);
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// do you stuff here
}
});
}
}
您应该在RecyclerView.ViewHolder中实现View.OnClickListener。如果要收听整个项目,请单击。请参见下面修改的viewholder类
public class FeedListRowHolder extends RecyclerView.ViewHolder implements View.OnClickListener{
protected ImageView thumbnail;
protected TextView title;
protected TextView date;
protected TextView tags;
public FeedListRowHolder(View view) {
super(view);
this.thumbnail = (ImageView) view.findViewById(R.id.thumbnail);
this.title = (TextView) view.findViewById(R.id.title);
this.date = (TextView) view.findViewById(R.id.date);
this.tags = (TextView) view.findViewById(R.id.tagsItems);
}
@Override
public void onClick(View v) {
}
}
让我们这样做。如果您需要单个视图,请单击,然后将每个按钮或视图单击注册到此视图保持架中。例如,缩略图单击可以注册如下
public class FeedListRowHolder extends RecyclerView.ViewHolder implements View.OnClickListener{
protected ImageView thumbnail;
protected TextView title;
protected TextView date;
protected TextView tags;
public FeedListRowHolder(View view) {
super(view);
this.thumbnail = (ImageView) view.findViewById(R.id.thumbnail);
this.thumbnail.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
this.title = (TextView) view.findViewById(R.id.title);
this.date = (TextView) view.findViewById(R.id.date);
this.tags = (TextView) view.findViewById(R.id.tagsItems);
}
@Override
public void onClick(View v) {
}
}
有很多方法可以解决这个问题,但是下面给出了其中一种方法
RecyclerView recyclerView = findViewById(R.id.recycler);
recyclerView.addOnItemTouchListener(
new RecyclerItemClickListener(context, new RecyclerItemClickListener.OnItemClickListener() {
@Override public void onItemClick(View view, int position) {
// do whatever
}
})
);
RecyclerItemClickListener实现:
import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener {
private OnItemClickListener mListener;
public interface OnItemClickListener {
public void onItemClick(View view, int position);
}
GestureDetector mGestureDetector;
public RecyclerItemClickListener(Context context, OnItemClickListener listener) {
mListener = listener;
mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
@Override public boolean onSingleTapUp(MotionEvent e) {
return true;
}
});
}
@Override public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {
View childView = view.findChildViewUnder(e.getX(), e.getY());
if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {
mListener.onItemClick(childView, view.getChildPosition(childView));
return true;
}
return false;
}
@Override public void onTouchEvent(RecyclerView view, MotionEvent motionEvent) { }
}
写OnCreate方法
RecyclerItemClickListener类:
public class FeedItem {
private String title;
private String thumbnail;
private String date;
private String tags;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getThumbnail() {
return thumbnail;
}
public void setThumbnail(String thumbnail) {
this.thumbnail = thumbnail;
}
public String getDate() {
return date;
}
public void getDate(String date) {
this.date = date;
}
public String getTags() {
return tags;
}
public void setTags(String tags) {
this.tags = tags;
}
}
public class FeedListRowHolder extends RecyclerView.ViewHolder {
protected ImageView thumbnail;
protected TextView title;
protected TextView date;
protected TextView tags;
public FeedListRowHolder(View view) {
super(view);
this.thumbnail = (ImageView) view.findViewById(R.id.thumbnail);
this.title = (TextView) view.findViewById(R.id.title);
this.date = (TextView) view.findViewById(R.id.date);
this.tags = (TextView) view.findViewById(R.id.tagsItems);
}
}
public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener {
private OnItemClickListener mListener;
public interface OnItemClickListener {
public void onItemClick(View view, int position);
}
GestureDetector mGestureDetector;
public RecyclerItemClickListener(Context context, OnItemClickListener listener) {
mListener = listener;
mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onSingleTapUp(MotionEvent e) {
return true;
}
});
}
@Override
public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {
View childView = view.findChildViewUnder(e.getX(), e.getY());
if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {
mListener.onItemClick(childView, view.getChildAdapterPosition(childView));
return true;
}
return false;
}
@Override
public void onTouchEvent(RecyclerView view, MotionEvent motionEvent) {
}
@Override
public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
}
}
是否要单击整个列表项?或列表中的任何特定项目?仅显示所有项目的详细信息。。。