GridView 设置选中状态，安卓移动开发实验报告

if (PullToRefreshGridView.MODE_PULL_DOWN_TO_REFRESH == mPullRefreshGridView.getCurrentMode()) {

Toast.makeText(MainActivity.this, “下拉刷新”, Toast.LENGTH_SHORT).show();

mPullRefreshGridView.onRefreshComplete();

} else if (mode == PullToRefreshGridView.MODE_PULL_UP_TO_REFRESH) {

// 加载更多

Toast.makeText(MainActivity.this, “上拉加载更多”, Toast.LENGTH_SHORT).show();

mPullRefreshGridView.onRefreshComplete();

}

}

};

}

adapter

package com.example.refreshgridview;

import java.util.ArrayList;

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 GridViewAdapter extends BaseAdapter {

private List mList = new ArrayList();

private Context mContext;

public GridViewAdapter(Context context,List list) {

super();

this.mContext = context;

this.mList = list;

}

@Override

public int getCount() {

return mList.size();

}

@Override

public GridInfo getItem(int position) {

return mList.get(position);

}

@Override

public long getItemId(int position) {

return position;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

ChildHolderOne holder;

if (convertView == null) {

convertView = LayoutInflater.from(mContext).inflate(R.layout.item_grid_live_show, parent, false);

holder = new ChildHolderOne();

holder.tvTitle = (TextView)convertView.findViewById(R.id.title_tv);

convertView.setTag(holder);

} else {

holder = (ChildHolderOne) convertView.getTag();

}

final GridInfo gridInfo = mList.get(position);

if(gridInfo.isSelect() == true){

holder.tvTitle.setBackgroundColor(mContext.getResources().getColor(R.color.grays));

} else {

holder.tvTitle.setBackgroundColor(mContext.getResources().getColor(R.color.gray_max));

}

final String number = gridInfo.getTitle();

holder.tvTitle.setText(number);

return convertView;

}

class ChildHolderOne {

TextView tvTitle;

}

}

bean

package com.example.refreshgridview;

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标签：GridView,安卓,convertView,position,import,android,实验报告,holder,public
来源： https://blog.csdn.net/m0_66264798/article/details/122783297