本文实例为大家分享了Android仿淘宝商品列表切换,供大家参考,具体内容如下<
源码:Android实现淘宝商品列表切换
布局文件
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<? xml version = "1.0" encoding = "utf-8" ?> < FrameLayout xmlns:android = "http://schemas.android.com/apk/res/android" xmlns:tools = "http://schemas.android.com/tools" android:id = "@+id/activity_main" android:layout_width = "match_parent" android:layout_height = "match_parent" android:padding = "3dp" tools:context = "com.example.a3_.MainActivity" > < Button android:id = "@+id/change" android:text = "切换布局" android:textSize = "20dp" android:layout_width = "wrap_content" android:layout_height = "wrap_content" /> < ListView android:id = "@+id/lv" android:layout_width = "match_parent" android:layout_height = "match_parent" > </ ListView > < GridView android:id = "@+id/gv" android:numColumns = "2" android:visibility = "gone" android:layout_width = "match_parent" android:layout_height = "match_parent" > </ GridView > </ FrameLayout > |
核心代码
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package com.example.a3_; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.GridView; import android.widget.ListView; public class MainActivity extends AppCompatActivity { private ListView lv; private GridView gv; private Button button; //设置默认的显示或隐藏 private boolean isLvShow = true ; private boolean isGvShow = false ; @Override protected void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout.activity_main); //初始化控件 lv = (ListView) findViewById(R.id.lv); gv = (GridView) findViewById(R.id.gv); button = (Button) findViewById(R.id.change); //设置适配器 lv.setAdapter( new MyAdapter()); gv.setAdapter( new MyAdapter()); //为按钮设置点击事件 button.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { if (isLvShow){ lv.setVisibility(View.GONE); gv.setVisibility(View.VISIBLE); } else { lv.setVisibility(View.VISIBLE); gv.setVisibility(View.GONE); } //对显示或隐藏进行取反 isLvShow = !isLvShow; isGvShow = !isGvShow; } }); } class MyAdapter extends BaseAdapter{ @Override public int getCount() { return 20 ; } @Override public Object getItem( int position) { return null ; } @Override public long getItemId( int position) { return 0 ; } @Override public View getView( int position, View convertView, ViewGroup parent) { //为listview设置布局 if (convertView== null ){ convertView = View.inflate(getApplicationContext(),R.layout.item, null ); } return convertView; } } } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/qq_32890771/article/details/72915547