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;
最后
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[外链图片转存中…(img-fodBGhAX-1643957771736)]
[外链图片转存中…(img-TN0AAyJf-1643957771736)]
[外链图片转存中…(img-GGtwa78M-1643957771736)]
