{"id":16254,"date":"2024-03-15T12:37:10","date_gmt":"2024-03-15T12:37:10","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-android-adapter-listview\/"},"modified":"2025-08-07T01:28:27","modified_gmt":"2025-08-07T01:28:27","slug":"how-to-use-the-android-adapter-listview","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-android-adapter-listview\/","title":{"rendered":"How to use the Android adapter ListView."},"content":{"rendered":"<p>To use a ListView adapter in Android, the following steps can be taken:<\/p>\n<ol>\n<li>Create an adapter class that inherits from BaseAdapter and implements the corresponding methods. The adapter class is primarily responsible for binding the data source with the ListView.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyAdapter<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title class_\">BaseAdapter<\/span> {\r\n    <span class=\"hljs-keyword\">private<\/span> List&lt;String&gt; mData;\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-title function_\">MyAdapter<\/span><span class=\"hljs-params\">(List&lt;String&gt; data)<\/span> {\r\n        mData = data;\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">getCount<\/span><span class=\"hljs-params\">()<\/span> {\r\n        <span class=\"hljs-keyword\">return<\/span> mData.size();\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> Object <span class=\"hljs-title function_\">getItem<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> position)<\/span> {\r\n        <span class=\"hljs-keyword\">return<\/span> mData.get(position);\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-type\">long<\/span> <span class=\"hljs-title function_\">getItemId<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> position)<\/span> {\r\n        <span class=\"hljs-keyword\">return<\/span> position;\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> View <span class=\"hljs-title function_\">getView<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> position, View convertView, ViewGroup parent)<\/span> {\r\n        ViewHolder viewHolder;\r\n        <span class=\"hljs-keyword\">if<\/span> (convertView == <span class=\"hljs-literal\">null<\/span>) {\r\n            convertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item, parent, <span class=\"hljs-literal\">false<\/span>);\r\n            viewHolder = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">ViewHolder<\/span>();\r\n            viewHolder.textView = convertView.findViewById(R.id.text_view);\r\n            convertView.setTag(viewHolder);\r\n        } <span class=\"hljs-keyword\">else<\/span> {\r\n            viewHolder = (ViewHolder) convertView.getTag();\r\n        }\r\n        viewHolder.textView.setText(mData.get(position));\r\n        <span class=\"hljs-keyword\">return<\/span> convertView;\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">ViewHolder<\/span> {\r\n        TextView textView;\r\n    }\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>Add a ListView widget to the layout file.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">ListView<\/span>\r\n    <span class=\"hljs-attr\">android:id<\/span>=<span class=\"hljs-string\">\"@+id\/list_view\"<\/span>\r\n    <span class=\"hljs-attr\">android:layout_width<\/span>=<span class=\"hljs-string\">\"match_parent\"<\/span>\r\n    <span class=\"hljs-attr\">android:layout_height<\/span>=<span class=\"hljs-string\">\"match_parent\"<\/span>\/&gt;<\/span>\r\n<\/code><\/pre>\n<ol>\n<li>Obtain the ListView control in Activity or Fragment and set an adapter for it.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">ListView<\/span> <span class=\"hljs-variable\">listView<\/span> <span class=\"hljs-operator\">=<\/span> findViewById(R.id.list_view);\r\n<span class=\"hljs-type\">MyAdapter<\/span> <span class=\"hljs-variable\">adapter<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">MyAdapter<\/span>(data);\r\nlistView.setAdapter(adapter);\r\n<\/code><\/pre>\n<p>Data is a collection used for storing information, which can be a List or any other type of collection.<\/p>\n<ol>\n<li>You can choose to set a click event listener for the ListView.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>listView.setOnItemClickListener(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">AdapterView<\/span>.OnItemClickListener() {\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">onItemClick<\/span><span class=\"hljs-params\">(AdapterView&lt;?&gt; parent, View view, <span class=\"hljs-type\">int<\/span> position, <span class=\"hljs-type\">long<\/span> id)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u5904\u7406\u70b9\u51fb\u4e8b\u4ef6<\/span>\r\n    }\r\n});\r\n<\/code><\/pre>\n<p>By following the above steps, you can use the adapter to connect the data source with the ListView and display it on the interface.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To use a ListView adapter in Android, the following steps can be taken: Create an adapter class that inherits from BaseAdapter and implements the corresponding methods. The adapter class is primarily responsible for binding the data source with the ListView. public class MyAdapter extends BaseAdapter { private List&lt;String&gt; mData; public MyAdapter(List&lt;String&gt; data) { mData = [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[453,1402,299,1404,1403],"class_list":["post-16254","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-development","tag-guide","tag-programming","tag-technology","tag-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to use the Android adapter ListView. - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn about how to use the android adapter listview.. 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