0

在我的可扩展列表视图不必要的改动,我的EditText在每个孩子的看法,我必须更新每个文字更新模型,所以我试图textwatchers添加到每个EditText上。但是在使用TextWatchers时,我的模型在组&子位置输入的值不正确。Textwatchers导致扩展列表视图

这是我的适配器代码

package dularish.splitspends; 

    import android.content.Context; 
    import android.text.Editable; 
    import android.text.TextWatcher; 
    import android.view.LayoutInflater; 
    import android.view.View; 
    import android.view.ViewGroup; 
    import android.view.animation.Animation; 
    import android.view.animation.AnimationUtils; 
    import android.widget.BaseExpandableListAdapter; 
    import android.widget.EditText; 
    import android.widget.ExpandableListView; 
    import android.widget.ImageButton; 

    import java.util.List; 

    /** 
    * Created by pc on 11/3/2017. 
    */ 

    public class ExpandableListAdapter extends BaseExpandableListAdapter { 

     public List<CardViewModel> models; 
     public Context ctx; 
     public ExpandableListView listviewref; 



     public ExpandableListAdapter(List<CardViewModel> models, Context ctx, ExpandableListView expandableListView) { 
      this.models = models; 
      this.ctx = ctx; 
      this.listviewref = expandableListView; 
     } 

     @Override 
     public int getGroupCount() { 
      return models.size(); 
     } 

     @Override 
     public int getChildrenCount(int groupPosition) { 
      return models.get(groupPosition).getInnerModelsData().size(); 
     } 

     @Override 
     public Object getGroup(int groupPosition) { 
      return models.get(groupPosition); 
     } 

     @Override 
     public Object getChild(int groupPosition, int childPosition) { 
      return models.get(groupPosition).getInnerModelsData().get(childPosition); 
     } 

     @Override 
     public long getGroupId(int groupPosition) { 
      return groupPosition; 
     } 

     @Override 
     public long getChildId(int groupPosition, int childPosition) { 
      return childPosition; 
     } 

     @Override 
     public boolean hasStableIds() { 
      return false; 
     } 

     @Override 
     public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { 


      String Name = models.get(groupPosition).getName(); 
      String Amount = models.get(groupPosition).getAmount().toString(); 
      if(convertView == null){ 
       LayoutInflater layoutInflater = (LayoutInflater) this.ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 
       convertView = layoutInflater.inflate(R.layout.parent_cardview,null); 
      } 
      EditText namebox = (EditText) convertView.findViewById(R.id.namebox); 
      EditText amountbox = (EditText) convertView.findViewById(R.id.amountbox); 
      ImageButton dropdownbutton = (ImageButton) convertView.findViewById(R.id.dropdownbutton); 
      namebox.setText(Name); 
      amountbox.setText(Amount); 
      //listviewref.expandGroup(groupPosition);//This comment should remind you that on every refresh this method would be executed 
      dropdownbutton.setOnClickListener(new View.OnClickListener() { 
       @Override 
       public void onClick(View v) { 
        if(listviewref.isGroupExpanded(groupPosition)){ 
         System.out.println("Group Collapsed"); 
         Animation hyperspaceJumpAnimation = AnimationUtils.loadAnimation(ctx, R.anim.imagebutton_rotate_back); 
         hyperspaceJumpAnimation.setFillAfter(true); 
         v.startAnimation(hyperspaceJumpAnimation); 
         listviewref.collapseGroup(groupPosition); 
        } 
        else{ 
         System.out.println("Group expanded"); 
         Animation hyperspaceJumpAnimation = AnimationUtils.loadAnimation(ctx, R.anim.imagebutton_rotate); 
         hyperspaceJumpAnimation.setFillAfter(true); 
         v.startAnimation(hyperspaceJumpAnimation); 
         listviewref.expandGroup(groupPosition); 
        } 

       } 
      }); 

      return convertView; 
     } 

     @Override 
     public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { 

      String SubAmount = models.get(groupPosition).getInnerModelsData().get(childPosition).getInnerAmount().toString(); 
      String Purpose = models.get(groupPosition).getInnerModelsData().get(childPosition).getPurpose(); 

      if(convertView == null){ 
       LayoutInflater layoutInflater = (LayoutInflater) this.ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 
       convertView = layoutInflater.inflate(R.layout.child_cardview,null); 
      } 
      EditText subamountbox = (EditText) convertView.findViewById(R.id.subamountbox); 
      EditText purposebox = (EditText) convertView.findViewById(R.id.purposebox); 
      ImageButton addchildbutton = (ImageButton) convertView.findViewById(R.id.inneraddbutton); 
      ImageButton deletechildbutton = (ImageButton) convertView.findViewById(R.id.innerdeletebutton); 
      subamountbox.setText(SubAmount); 
      purposebox.setText(Purpose); 
      System.out.println("Child set for GroupPosition - " + groupPosition + " ChildPosition - " + childPosition + " Amt " + SubAmount + " Purpose " + Purpose); 

      addchildbutton.setOnClickListener(new View.OnClickListener() { 
       @Override 
       public void onClick(View v) { 
        System.out.println("AddChild button clicked"); 
        models.get(groupPosition).addInnerModelsData(new InnerCardViewModel(60,"DefaultAddChild")); 
        notifyDataSetChanged(); 
       } 
      }); 

      subamountbox.addTextChangedListener(new TextWatcher() { 

       @Override 
       public void beforeTextChanged(CharSequence s, int start, int count, int after) 
       { 

       } 

       @Override 
       public void onTextChanged(CharSequence s, int start, int before, int count) { 

       } 

       @Override 
       public void afterTextChanged(Editable s) { 
        System.out.println("TextChanged for GroupPosition - " + groupPosition + " ChildPosition - " + childPosition + " Amt " + s.toString()); 
       models.get(groupPosition).getInnerModelsData().get(childPosition).setInnerAmount(Integer.parseInt(String.valueOf(s))); 
        //notifyDataSetChanged(); 

       } 
      });/* 
      purposebox.addTextChangedListener(new TextWatcher() { 
       @Override 
       public void beforeTextChanged(CharSequence s, int start, int count, int after) 
       { 

       } 

       @Override 
       public void onTextChanged(CharSequence s, int start, int before, int count) { 

       } 

       @Override 
       public void afterTextChanged(Editable s) { 
        models.get(groupPosition).getInnerModelsData().get(childPosition).setPurpose(s.toString()); 
       } 
      }); 
    */ 
      return convertView; 
     } 

     @Override 
     public boolean isChildSelectable(int groupPosition, int childPosition) { 
      return true; 
     } 
    } 

这是我没有TextWatcher控制台输出为Subamount的EditText:

11-04 08:19:52.138 30714-30714/dularish.splitspends I/System.out: Group expanded 
    11-04 08:19:52.154 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 0 Amt 1500 Purpose Default 
    11-04 08:19:52.157 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 1 Amt 50 Purpose Trial2 
    11-04 08:19:52.166 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 0 Amt 1500 Purpose Default 
    11-04 08:19:52.174 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 1 Amt 50 Purpose Trial2 
    11-04 08:19:55.548 30714-30714/dularish.splitspends I/System.out: AddChild button clicked 
    11-04 08:19:55.561 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 0 Amt 1500 Purpose Default 
    11-04 08:19:55.563 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 1 Amt 50 Purpose Trial2 
    11-04 08:19:55.565 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 2 Amt 60 Purpose DefaultAddChild 
    11-04 08:19:55.572 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 0 Amt 1500 Purpose Default 
    11-04 08:19:55.574 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 1 Amt 50 Purpose Trial2 
    11-04 08:19:55.575 30714-30714/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 2 Amt 60 Purpose DefaultAddChild 

这是我与TextWatchers控制台输出

11-04 08:16:17.860 27184-27184/dularish.splitspends I/System.out: Group expanded 
    11-04 08:16:17.885 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 0 Amt 1500 Purpose Default 
    11-04 08:16:17.888 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 0 Amt 50 
    11-04 08:16:17.889 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 1 Amt 50 Purpose Trial2 
    11-04 08:16:17.897 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 0 Amt 50 
    11-04 08:16:17.897 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 1 Amt 50 
    11-04 08:16:17.897 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 0 Amt 50 Purpose Default 
    11-04 08:16:17.906 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 1 Amt 50 Purpose Trial2 
    11-04 08:16:37.699 27184-27184/dularish.splitspends I/System.out: AddChild button clicked 
    11-04 08:16:37.717 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 0 Amt 50 Purpose Default 
    11-04 08:16:37.719 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 0 Amt 50 
    11-04 08:16:37.720 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 1 Amt 50 Purpose Trial2 
    11-04 08:16:37.722 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 0 Amt 60 
    11-04 08:16:37.722 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 1 Amt 60 
    11-04 08:16:37.722 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 2 Amt 60 Purpose DefaultAddChild 
    11-04 08:16:37.731 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 0 Amt 60 
    11-04 08:16:37.731 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 1 Amt 60 
    11-04 08:16:37.731 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 0 Amt 60 
    11-04 08:16:37.732 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 0 Amt 60 Purpose Default 
    11-04 08:16:37.733 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 1 Amt 60 
    11-04 08:16:37.734 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 1 Amt 60 Purpose Trial2 
    11-04 08:16:37.735 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 0 Amt 60 
    11-04 08:16:37.735 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 1 Amt 60 
    11-04 08:16:37.735 27184-27184/dularish.splitspends I/System.out: TextChanged for GroupPosition - 0 ChildPosition - 2 Amt 60 
    11-04 08:16:37.736 27184-27184/dularish.splitspends I/System.out: Child set for GroupPosition - 0 ChildPosition - 2 Amt 60 Purpose DefaultAddChild 

注意:我没有更改UI中任何EditText的数据。

是我的错实现TextWatchers的方法,还是有带适配器的任何问题?虽然我明确提到要更新TextWatcher仅适用于相应的小组职位&,但他们正在混淆。

一个多观察,我认为convertView在所有childViews的“getChildView的回报意见。由于我设置TextChangedListener在convertview中查看,是否会导致问题?

回答

0

绑定类型布尔的一个数组列表与您的数据的默认设置所有的布尔值false,当用户选择查看设置的位置真的这样你就可以检测则位置根据其位置工作。

你也可以在喜欢-1 XML集编辑文本标记标签做的,而在活动结合数据 与它当用户点击添加布尔或选择的位置得到这样的位置:

Integer Pos = Integer.parseInt(holder.edittext.getTag().toString()); 

并根据所选位置工作,除选定的所有其他视图将不起作用。

也检查本实施例:

Select checkbox is duplicated when scrolling on an ExpandableListView