Android Adapter推荐写法

it2022-05-05  135

package jason.fragmentdemo.adapter; import nqy.fragmentdemo.R; import nqy.fragmentdemo.model.ArticleModel; 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 ArticleTitleFragmentAdapter extends BaseAdapter { private LayoutInflater mInflater; private ArticleModel[] articles; public ArticleTitleFragmentAdapter(Context context, ArticleModel[] articles) { mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); this.articles = articles; } @Override public int getCount() { if (articles != null) { return articles.length; } return 0; } @Override public Object getItem(int position) { if (articles != null && position >= 0 && position < articles.length) { return articles[position]; } return null; } @Override public long getItemId(int position) { if (articles != null && position >= 0 && position < articles.length) { return articles[position].id; } return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { View view = convertView; ViewHolder holder; if (view == null) { view = mInflater.inflate(R.layout.item_article_list, parent, false); holder = new ViewHolder(); holder.tv = (TextView)view.findViewById(R.id.list_lable); view.setTag(holder); } else { holder = (ViewHolder)view.getTag(); } holder.tv.setText(articles[position].title); return view; } private class ViewHolder { public TextView tv; } }

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转载于:https://www.cnblogs.com/jasonkent27/p/4751342.html


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