如何在Android Recycler视图中为onClick listner分隔视图布局？

我正试图拿起一个单独的卡片元素保存在回收站视图中，并聆听点击和长时间点击事件。但是，由于您只能在视图上设置setOnClickListener，因此我很难从视图中分离出特定元素（卡片）。因此，点击事件发生在整个布局区域内。请帮助我从整个cardview布局中分离出一张卡片，并帮助我为其编写点击事件。如何在Android Recycler视图中为onClick listner分隔视图布局？

这里是我的代码

CustomAdapter.java 

public class CardAdapterLib 
extends RecyclerView.Adapter<CardAdapterLib.LibHolder> { 
private ArrayList<LibModel> libModel; 
public CardAdapterLib(ArrayList<LibModel> data){ 
    this.libModel = data; 
} 
@Override 
public LibHolder onCreateViewHolder(ViewGroup parent, int viewType) { 
    LayoutInflater inflater = LayoutInflater.from(parent.getContext()); 
    View view = inflater.inflate(R.layout.recycle_items,parent,false); 
    // TODO: figure out how to isolate that view 
//The listner I have written is getting applied to 
    the entire layout of R.layout.recycle_items 
    view.setOnClickListener(LibFragment.myOnClickListener); 
    return new LibHolder(view); 
} 
}

我的片段类的主机回收视图

public class LibFragment extends Fragment { 

private static RecyclerView.Adapter adapter; 
private RecyclerView.LayoutManager layoutManager; 
private static RecyclerView recyclerView; 

private static ArrayList<LibModel> data; 
public static View.OnClickListener myOnClickListener; 
private static ArrayList<Integer> removedItems; 
@Override 
public View onCreateView(LayoutInflater inflater, ViewGroup container, 
         Bundle savedInstanceState) { 

    // Inflate the layout for this fragment 
    View view=inflater.inflate 
    (R.layout.fragment_lib_frgment,container,false); 
    final CoordinatorLayout LibCoordinatorLayout = 
      (CoordinatorLayout)view.findViewById(R.id.Lib_coordinatorLayout); 
    myOnClickListener = new MyOnClickListener(getContext()); 
    recyclerView = (RecyclerView) view.findViewById(R.id.library_rv); 
    recyclerView.setHasFixedSize(true); 
    layoutManager = new LinearLayoutManager(getContext()); 
    recyclerView.setLayoutManager(layoutManager); 
    recyclerView.setItemAnimator(new DefaultItemAnimator()); 

    data = new ArrayList<LibModel>(); 
    for (int i = 0; i < myData.titles.length; i++) { 
     data.add(new LibModel(myData.titles[i], 
    myData.authors[i],myData.lang[i],myData.id_[i])); 
    } 

    removedItems = new ArrayList<Integer>(); 
    adapter = new CardAdapterLib(data); 
    recyclerView.setAdapter(adapter); 
    recyclerView.addOnItemTouchListener(
      new RecyclerItemClickListener(getActivity(), recyclerView , 
    new RecyclerItemClickListener.OnItemClickListener() { 
       @Override public void onItemClick(View view, int position) 
    {Toast.makeText(getActivity(), 
    "SoftPress",Toast.LENGTH_SHORT).show(); 
        // Launch the Requests Fragment here 
       } 

     @Override 
    public void onLongItemClick(View view, int position) { 
    Toast.makeText(getActivity(),"Hard Press",Toast.LENGTH_SHORT).show(); 
        //Launch the Delete Fragment here 
       } 
      }) 
    );  
    return view; 
} 

private static class MyOnClickListener implements View.OnClickListener { 
     private final Context context ; 
     private MyOnClickListener(Context context) { 
      this.context = context; 
     } 
     @Override 
     public void onClick(View v) { 
     // This Toast happens wherever 
     I click on the R.layout.fragment_lib_frgment area. 
     // I want to make it happen only when a single card is clicked! 
     Toast.makeText(context,"Clicked here DA",Toast.LENGTH_SHORT).show(); 
      removeItem(v); 
     } 
     private void removeItem(View v) { 
      int selectedItemPosition = recyclerView.getChildPosition(v); 
      RecyclerView.ViewHolder viewHolder 
        = recyclerView.findViewHolderForPosition 
     (selectedItemPosition); 
      TextView =(TextView)viewHolder.itemView. 
     findViewById(R.id.title_card); 
      String selectedName = (String) titleTV.getText(); 
      int selectedItemId = -1; 
      for (int i = 0; i < myData.titles.length; i++) { 
       if (selectedName.equals(myData.titles[i])) { 
        selectedItemId = myData.id_[i]; 
       } 
      } 
      removedItems.add(selectedItemId); 
      data.remove(selectedItemPosition); 
      adapter.notifyItemRemoved(selectedItemPosition); 
     } 
     } 
    } 

My Layout Files 
<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
android:orientation="vertical" 
android:tag="cards main container"> 
<android.support.v7.widget.CardView 
xmlns:card_view="https://schemas.android.com/apk/res-auto" 
xmlns:android="http://schemas.android.com/apk/res/android" 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:id="@+id/card_view" 
android:layout_margin="5dp" 
card_view:cardCornerRadius="10dp"> 

<LinearLayout 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:orientation="horizontal" 
    android:weightSum="6"> 
    <TextView 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:text="1" 
     android:layout_weight="1" 
     android:id="@+id/lib_counter" 
     android:textSize="120px" 
     android:padding="10dp" 
     android:layout_centerInParent="true" 
     android:gravity="center" /> 
    <LinearLayout 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:orientation="vertical" 
     android:layout_weight="4" 
     android:id="@+id/details_holder"> 
     <TextView 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/title_card" 
      android:layout_margin="5dp" 
      android:text="Title"/> 
     <TextView 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/author_card" 
      android:layout_margin="5dp" 
      android:text="Author"/> 
     <TextView 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/lang_card" 
      android:layout_margin="5dp" 
      android:text="Language"/> 
    </LinearLayout> 
</LinearLayout> 
</android.support.v7.widget.CardView> 
</LinearLayout> 

And for the Fragment 
<?xml version="1.0" encoding="utf-8"?> 
<android.support.design.widget.CoordinatorLayout 
xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:app="http://schemas.android.com/apk/res-auto" 
xmlns:tools="http://schemas.android.com/tools" 
android:id="@+id/Lib_coordinatorLayout" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
tools:context="com.example.ch330232.pager.Activities.MainActivity"> 
<RelativeLayout 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:id="@+id/rvRl" 
    android:layout_gravity="center_horizontal" 
    android:paddingBottom="@dimen/activity_vertical_margin" 
    android:paddingLeft="@dimen/activity_horizontal_margin" 
    android:paddingRight="@dimen/activity_horizontal_margin" 
    android:paddingTop="@dimen/activity_vertical_margin" 
    android:orientation="vertical"> 

    <android.support.v7.widget.RecyclerView 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:id="@+id/library_rv" 
     android:scrollbars="vertical" /> 

</RelativeLayout> 
</android.support.design.widget.CoordinatorLayout>

来源

2017-03-02 Chiraag Kashyap

请参阅下面的链接这些将为你工作[http://stackoverflow.com/questions/27945078/onlongitemclick-in-recyclerview](http://stackoverflow.com/questions/27945078/onlongitemclick-in-recyclerview） [http://stackoverflow.com/questions/24471109/recyclerview-onclick](http://stackoverflow.com/questions/24471109/recyclerview-onclick） –

可以与下面两个视图分离点击听众在recycleView适配器上的点击分开：

  @Override 
      public YourViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { 
       View itemView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.list_item, viewGroup, false); 

       itemView.setOnClickListener(new View.OnClickListener() { 
        @Override 
        public void onClick(View v) { 
         Log.w("Test", "Parent clicked"); 
        } 
       }); 
       return new YourViewHolder(itemView); 

      } 

      @Override 
      public void onBindViewHolder(YourViewHolder viewHolder, int i) { 

       viewHolder.checkBox.setOnClickListener(new View.OnClickListener() { 
        @Override 
        public void onClick(View v) { 
         Log.w("Test", "Checkbox clicked"); 
        } 
       }); 
      }

来源

2017-03-02 13:05:40

@Chirag如果它解决了您的查询，请接受答案。很高兴再次帮助。 –

它每当你点击片段时发生因此您将其设置为您的回收站视图所具有的每个适配器（或卡视图）的点击侦听器。使用RecyclerView.addOnItemTouchListener()来激活单个项目点击。不要将点击侦听器添加到onBindView方法中的每个视图。

来源

2017-03-02 13:08:28

如何在Android Recycler视图中为onClick listner分隔视图布局？

回答

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