Gallery 的 Demo(8)

 
MainListAdapter.java 
 
代码  
package com.webabcd.view; 
 
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; 
 
// 继承 BaseAdapter 以实现自定义的列表适配器 
public class MainListAdapter extends BaseAdapter { 
 
    private LayoutInflater mInflater; 
    private List<String> mData; 
 
    public MainListAdapter(Context context, List<String> data) { 
        mInflater = LayoutInflater.from(context); 
        mData = data; 
    } 
 
    @Override 
    public int getCount() { 
        return mData.size(); 
    } 
 
    @Override 
    public Object getItem(int position) { 
        return mData.get(position); 
    } 
 
    @Override 
    public long getItemId(int position) { 
        return position; 
    } 
 
    @Override 
    public View getView(int position, View convertView, ViewGroup parent) { 
 
        TextView text; 
 
        if (convertView == null) { 
            // 指定一个 layout 作为自定义列表适配器的 layout 
            convertView = mInflater.inflate(R.layout.main_list_adapter, null); 
            text = (TextView) convertView.findViewById(R.id.text); 
            convertView.setTag(text); 
        } else { 
            text = (TextView) convertView.getTag(); 
        } 
         
        String mItem = mData.get(position); 
        text.setText(mItem);