JSONArrayAdapter.java

/**
 * 
 */
package edu.hebtu.movingcampus.utils;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.graphics.Color;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import edu.hebtu.movingcampus.R;

/**
 * Description: <br/>
 * This program is protected by copyright laws. <br/>
 * Program Name: <br/>
 * Date:
 * 
 * @version 1.0
 */
public class JSONArrayAdapter extends BaseAdapter {
	private Context ctx;
	private JSONArray jsonArray;
	private String property;
	private boolean hasIcon;

	public JSONArrayAdapter(Context ctx, JSONArray jsonArray, String property,
			boolean hasIcon) {
		this.ctx = ctx;
		this.jsonArray = jsonArray;
		this.property = property;
		this.hasIcon = hasIcon;
	}

	@Override
	public int getCount() {
		return jsonArray.length();
	}

	@Override
	public Object getItem(int position) {
		return jsonArray.optJSONObject(position);
	}

	@Override
	public long getItemId(int position) {
		try {
			// ������Ʒ��ID
			return ((JSONObject) getItem(position)).getInt("id");
		} catch (JSONException e) {
			e.printStackTrace();
		}
		return 0;
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		LinearLayout linear = new LinearLayout(ctx);
		linear.setOrientation(0);
		ImageView iv = new ImageView(ctx);
		iv.setPadding(10, 0, 20, 0);
		iv.setImageResource(R.drawable.icon);
		linear.addView(iv);
		TextView tv = new TextView(ctx);
		try {
			String itemName = ((JSONObject) getItem(position))
					.getString(property);
			tv.setText(itemName);
		} catch (JSONException e) {
			e.printStackTrace();
		}

		tv.setTextSize(20);
		if (hasIcon) {
			linear.addView(tv);
			return linear;
		} else {
			tv.setTextColor(Color.BLACK);
			return tv;
		}
	}
}