Hey there! Let's work through this cell creation problem you're facing with the evrencoskun TableView library. Since you mentioned your MyAdapter error is incomplete, I'll cover the most common fixes and checks that typically resolve this scenario.

1. Verify Core Adapter Method Implementations #

Make sure your MyAdapter properly overrides all required TableView adapter methods:

• onCreateCellViewHolder: Ensure you're inflating the correct cell layout and returning a valid instance of your cell holder. Example:

  @Override
  public CellViewHolder onCreateCellViewHolder(ViewGroup parent, int viewType) {
      View cellView = LayoutInflater.from(parent.getContext()).inflate(R.layout.your_cell_layout, parent, false);
      return new YourCellViewHolder(cellView);
  }
  

• onBindCellViewHolder: Double-check that you're correctly attaching data to the cell's views, and that you're using holder.itemView.findViewById() (or pre-initialized views in the holder) to avoid null pointers.
• getCellItemCount: Confirm this method returns the correct number of cell items (e.g., the size of your cell data list). A wrong count here can prevent cells from being created entirely.

2. Validate Your Cell Holder Class #

Your cell holder must follow these rules to work with the library:

• It must extend TableViewCellHolder (not a generic RecyclerView.ViewHolder).
• The constructor must accept a View parameter and call super(itemView).
• All views in the cell should be initialized in the constructor to avoid repeated lookups. Example:

  public class YourCellViewHolder extends TableViewCellHolder {
      public final TextView cellText;
  
      public YourCellViewHolder(View itemView) {
          super(itemView);
          cellText = itemView.findViewById(R.id.cell_text_view);
      }
  }
  

3. Check Cell Layout File #

Even if your layout matches the sample, double-check these details:

• The root view of your cell layout has appropriate layout_width and layout_height values (e.g., match_parent for both, or fixed dimensions that make sense for your table).
• All view IDs in the layout match exactly what you're referencing in your cell holder (typos here are a common cause of hidden null pointer errors).

4. Share the Full Error Stack Trace #

The incomplete error message about MyAdapter is the biggest missing piece here. Grab the full error log from Logcat, including:

• The exact exception type (e.g., NullPointerException, ClassCastException)
• The line number where the error occurs
• Any associated stack trace details

This will let us pinpoint the exact issue—for example, a null pointer might mean a view wasn't initialized, while a class cast error could indicate a problem with your holder inheritance or adapter generics.

5. Cross-Reference with Library Sample Code #

Compare your MyAdapter implementation line-by-line with the sample adapter provided in the library. Pay close attention to:

• Generic type declarations (e.g., class MyAdapter extends TableViewAdapter<CornerHeaderModel, ColumnHeaderModel, RowHeaderModel, CellModel>)
• Whether you're calling super methods where required
• How data is passed to the adapter and bound to cells

Once you can share the full error details, we can zero in on the exact fix. Let me know what you find!

内容的提问来源于stack exchange，提问作者K.Pfis