CommonAdapter.java

package com.stx.openeyes.utils;

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

import java.util.List;

/**
 * Created by xhb on 2016/2/20.
 * 通用的Adapter工具类
 */
public abstract class CommonAdapter<T> extends BaseAdapter {
    //protected让子类可以访问
    protected LayoutInflater mInflater;
    protected Context mContext;
    protected List<T> mDatas;
    private int layoutId;
    public CommonAdapter(Context context, List<T> mDatas,int layoutId) {
        mInflater=LayoutInflater.from(context);
        this.mContext = context;
        this.mDatas = mDatas;
        this.layoutId=layoutId;
    }

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

    @Override
    public T getItem(int position) {
        return mDatas.get(position);
    }

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

    @Override
    public  View getView(int position, View convertView, ViewGroup parent){
        //实例化一个ViewHolder
        ViewHolder viewHolder = ViewHolder.get(mContext, convertView, parent,layoutId, position);
        //把viewHolder和当前Item对于的Bean对象给传出去
        convert(viewHolder,getItem(position));
        return viewHolder.getConvertView();
    }

    /**
     * 对外公布了一个convert方法，把viewHolder和当前Item对于的Bean对象给传出去
     * @param viewHolder
     * @param t
     */
    public abstract void  convert(ViewHolder viewHolder,T t);

}