Android中GridView插件的使用方法

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import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.app.Activity;
import android.os.Bundle;
import android.widget.GridView;
public class MainActivity extends Activity {
  private GridView gridView;
  private GridViewAdapter adapter;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    // 设置适配器的图片资源
    int[] imageId = new int[] { R.drawable.chat_tool_camera,
        R.drawable.chat_tool_location, R.drawable.chat_tool_paint,
        R.drawable.chat_tool_video, R.drawable.chat_tool_voice,
        R.drawable.chat_tool_camera, R.drawable.chat_tool_location,
        R.drawable.chat_tool_paint, R.drawable.chat_tool_video,
        R.drawable.chat_tool_voice, R.drawable.chat_tool_camera,
        R.drawable.chat_tool_location, R.drawable.chat_tool_paint,
        R.drawable.chat_tool_video, R.drawable.chat_tool_voice,
        R.drawable.chat_tool_camera, R.drawable.chat_tool_location,
        R.drawable.chat_tool_paint, R.drawable.chat_tool_video,
        R.drawable.chat_tool_voice };
    // 设置标题
    String[] title = new String[] { "相机", "定位", "画笔", "视频", "声音", "相机",
        "定位", "画笔", "视频", "声音", "相机", "定位", "画笔", "视频", "声音", "相机",
        "定位", "画笔", "视频", "声音" };
    List> listitem = new ArrayList>();
    // 将上述资源转化为list集合
    for (int i = 0; i  map = new HashMap();
      map.put("image", imageId[i]);
      map.put("title", title[i]);
      listitem.add(map);
    }
    adapter = new GridViewAdapter(MainActivity.this, listitem);
    gridView = (GridView) this.findViewById(R.id.gridView);
    gridView.setAdapter(adapter);
  }
}

import java.util.List;
import java.util.Map;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
public class GridViewAdapter extends BaseAdapter {
  private Context context;
  private List> listitem;
  public GridViewAdapter(Context context,List> listitem) {
    this.cOntext= context;
    this.listitem = listitem;
  }
  @Override
  public int getCount() {
    return listitem.size();
  }
  @Override
  public Object getItem(int position) {
    return listitem.get(position);
  }
  @Override
  public long getItemId(int position) {
    return position;
  }
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    if (cOnvertView== null) {
      cOnvertView= LayoutInflater.from(context).inflate(R.layout.gridview_item, null);
    }
    ImageView imageView = (ImageView) convertView.findViewById(R.id.image);
    TextView textView = (TextView) convertView.findViewById(R.id.textView);
    Map map = listitem.get(position);
    imageView.setImageResource((Integer) map.get("image"));
    textView.setText(map.get("title") + "");
    return convertView;
  }
}