{"id":26456,"date":"2024-11-24T17:32:45","date_gmt":"2024-11-24T09:32:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26456\/"},"modified":"2024-11-24T17:32:45","modified_gmt":"2024-11-24T09:32:45","slug":"%e5%a6%82%e4%bd%95%e6%9e%84%e5%bb%ba%e4%b8%80%e4%b8%aa%e5%8f%af%e5%8a%a8%e6%80%81%e5%a1%ab%e5%85%85%e6%95%b0%e6%8d%ae%e7%9a%84%e7%bb%84%e4%bb%b6%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26456\/","title":{"rendered":"\u5982\u4f55\u6784\u5efa\u4e00\u4e2a\u53ef\u52a8\u6001\u586b\u5145\u6570\u636e\u7684\u7ec4\u4ef6\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u6784\u5efa\u4e00\u4e2a\u53ef\u52a8\u6001\u586b\u5145\u6570\u636e\u7684\u7ec4\u4ef6\uff1f\u63d2\u56fe\"<\/p>\n

q&a\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6570\u636e\u586b\u5145\u7684\u7ec4\u4ef6\uff1f<\/strong><\/p>\n

\u95ee\u9898\u63cf\u8ff0\uff1a\u6784\u5efa\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u7528\u4e8e\u52a8\u6001\u586b\u5145\u6570\u636e\uff0c\u4f46\u7531\u4e8e\u6570\u636e\u662f\u975e\u56fa\u5b9a\u7684\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u53ef\u6269\u5c55\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\u7b54\u6848\uff1a<\/strong><\/p>\n

\u5b9e\u73b0\u52a8\u6001\u6570\u636e\u586b\u5145\u7ec4\u4ef6\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u4f7f\u7528 ListView \u6216 RecyclerView \u7b49\u7ec4\u4ef6\u3002\u8fd9\u4e9b\u7ec4\u4ef6\u5141\u8bb8\u8f7b\u677e\u6dfb\u52a0\u6216\u79fb\u9664\u5143\u7d20\uff0c\u5e76\u652f\u6301\u5bf9\u6570\u636e\u8fdb\u884c\u5b9e\u65f6\u66f4\u65b0\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4f7f\u7528 ListView \u5b9e\u73b0\u8be5\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff1a<\/p>\n

import android.content.Context;\nimport android.util.AttributeSet;\nimport android.view.LayoutInflater;\nimport android.view.View;\nimport android.view.ViewGroup;\nimport android.widget.ArrayAdapter;\nimport android.widget.ListView;\n\nimport java.util.ArrayList;\nimport java.util.List;\n\npublic class DynamicListViewComponent extends ListView {\n\n    private List<String> data = new ArrayList<>();\n    private ArrayAdapter<String> adapter;\n\n    public DynamicListViewComponent(Context context) {\n        super(context);\n        init();\n    }\n\n    public DynamicListViewComponent(Context context, AttributeSet attrs) {\n        super(context, attrs);\n        init();\n    }\n\n    private void init() {\n        this.setDivider(null);\n        this.setDividerHeight(0);\n\n        adapter = new ArrayAdapter<>(getContext(), android.R.layout.simple_list_item_1, data);\n        this.setAdapter(adapter);\n    }\n\n    public void addData(String item) {\n        data.add(item);\n        adapter.notifyDataSetChanged();\n    }\n\n    public void clearData() {\n        data.clear();\n        adapter.notifyDataSetChanged();\n    }\n}\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4f7f\u7528 RecyclerView \u65f6\uff0c\u5b9e\u73b0\u65b9\u6cd5\u7c7b\u4f3c\uff0c\u4f46\u9700\u8981\u81ea\u5b9a\u4e49\u4e00\u4e2a RecyclerView.Adapter \u6765\u7ba1\u7406\u6570\u636e\u3002\u53c2\u8003\u4ee5\u4e0b\u793a\u4f8b\uff1a<\/p>\n
import android.content.Context;\nimport android.util.AttributeSet;\nimport android.view.LayoutInflater;\nimport android.view.View;\nimport android.view.ViewGroup;\nimport android.widget.TextView;\n\nimport androidx.recyclerview.widget.RecyclerView;\n\nimport java.util.ArrayList;\nimport java.util.List;\n\npublic class DynamicRecyclerViewComponent extends RecyclerView {\n\n    private List<String> data = new ArrayList<>();\n    private MyAdapter adapter;\n\n    public DynamicRecyclerViewComponent(Context context) {\n        super(context);\n        init();\n    }\n\n    public DynamicRecyclerViewComponent(Context context, AttributeSet attrs) {\n        super(context, attrs);\n        init();\n    }\n\n    private void init() {\n        this.setDivider(null);\n        this.setDividerHeight(0);\n\n        adapter = new MyAdapter(data);\n        this.setAdapter(adapter);\n    }\n\n    public void addData(String item) {\n        data.add(item);\n        adapter.notifyDataSetChanged();\n    }\n\n    public void clearData() {\n        data.clear();\n        adapter.notifyDataSetChanged();\n    }\n\n    static class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {\n\n        private List<String> data;\n\n        public MyAdapter(List<String> data) {\n            this.data = data;\n        }\n\n        @Override\n        public MyAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {\n            View v = LayoutInflater.from(parent.getContext()).inflate(android.R.layout.simple_list_item_1, parent, false);\n            return new MyAdapter.ViewHolder(v);\n        }\n\n        @Override\n        public void onBindViewHolder(MyAdapter.ViewHolder holder, int position) {\n            holder.textView.setText(data.get(position));\n        }\n\n        @Override\n        public int getItemCount() {\n            return data.size();\n        }\n\n        static class ViewHolder extends RecyclerView.ViewHolder {\n\n            TextView textView;\n\n            public ViewHolder(View itemView) {\n                super(itemView);\n                textView = itemView.findViewById(android.R.id.text1);\n            }\n        }\n    }\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8fd9\u4e9b\u7ec4\u4ef6\u5141\u8bb8\u60a8\u8f7b\u677e\u63d2\u5165\u3001\u66f4\u65b0\u548c\u5220\u9664\u6570\u636e\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u52a8\u6001\u586b\u5145\u53ef\u53d8\u6570\u636e\u5217\u8868\u7684\u53ef\u91cd\u7528\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u6784\u5efa\u4e00\u4e2a\u53ef\u52a8\u6001\u586b\u5145\u6570\u636e\u7684\u7ec4\u4ef6\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
q&a\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6570\u636e\u586b\u5145\u7684\u7ec4\u4ef6\uff1f \u95ee\u9898\u63cf\u8ff0\uff1a\u6784\u5efa\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u7528\u4e8e\u52a8\u6001\u586b\u5145\u6570\u636e\uff0c\u4f46\u7531\u4e8e\u6570\u636e\u662f\u975e\u56fa\u5b9a\u7684\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u53ef\u6269\u5c55\u7684\u89e3\u51b3\u65b9\u6848\u3002 \u7b54\u6848\uff1a \u5b9e\u73b0\u52a8\u6001\u6570\u636e\u586b\u5145\u7ec4\u4ef6\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u4f7f\u7528 ListView \u6216 RecyclerView \u7b49\u7ec4\u4ef6\u3002\u8fd9\u4e9b\u7ec4\u4ef6\u5141\u8bb8\u8f7b\u677e\u6dfb\u52a0\u6216\u79fb\u9664\u5143\u7d20\uff0c\u5e76\u652f\u6301\u5bf9\u6570\u636e\u8fdb\u884c\u5b9e\u65f6\u66f4\u65b0\u3002 \u4ee5\u4e0b\u662f\u4f7f\u7528 ListView \u5b9e\u73b0\u8be5\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff1a import android.content.Context; import android.util.AttributeSet; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.ListView; import java.util.ArrayList; import java.util.List; public class DynamicListViewComponent extends ListView { private List<String> data = new ArrayList<>(); private ArrayAdapter<String> adapter; public DynamicListViewComponent(Context context) { super(context); init(); } public DynamicListViewComponent(Context context, AttributeSet […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-26456","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=26456"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26456\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=26456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=26456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=26456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}