Android Open Source - android-gridview-example1 Grid Adapter

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Back to project page android-gridview-example1.

License

The source code is released under:

Apache License

Java Source Code

package com.tdrury.gridviewactivitywithcontextmenu;
//from   w w w  .j  a v  a 2  s.c om
import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

public class GridAdapter extends BaseAdapter {

  private Context context;
  private List<String> elements;
  private int layoutId;
  private int selectedPosition = -1;
  
  public GridAdapter(Context context, int layoutId, List<String> elements) {
    this.context = context;
    this.layoutId = layoutId;
    this.elements = elements;
  }

  @Override
  public int getCount() {
    return elements.size();
  }

  @Override
  public Object getItem(int position) {
    return elements.get(position);
  }

  @Override
  public long getItemId(int position) {
    return position;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    if (convertView == null) {
      LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      convertView = inflater.inflate(layoutId, null);
    }
    String t = elements.get(position);
    TextView taskView = (TextView)convertView.findViewById(R.id.grid_element_text);
    taskView.setText(t);
    return convertView;
  }

  public void setSelectedPosition(int selectedPosition) {
    this.selectedPosition = selectedPosition;
  }
  
  public int getSelectedPosition() {
    return selectedPosition;
  }
  
  public String getSelectedTask() {
    if (selectedPosition >= 0) return elements.get(selectedPosition);
    return null;
  }

}

Java Source Code List

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