Android GridView 横向滚动 一行显示

都知道gridview和listview是android比较重要的数据组件，

接到一个横向显示数据的任务，头大半天，最后只能用gridview试试了。呵呵，费了N多脑细胞，搞定。

=====

布局文件main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical" android:layout_width="fill_parent"android:layout_height="fill_parent"android:background="#FFFFFF"android:gravity="center"><TextView android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="向右滑动"android:textColor="#000000"android:textSize="20dip"/><HorizontalScrollView android:layout_width="fill_parent" android:layout_height="wrap_content"android:background="#CCCCCC"><LinearLayout android:layout_width="fill_parent"android:layout_height="wrap_content" android:orientation="horizontal"><GridView android:id="@+id/gridView" android:layout_width="fill_parent"android:layout_height="wrap_content" /></LinearLayout></HorizontalScrollView></LinearLayout>

类文件MainActivity.java

package com.test;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.view.Window;import android.widget.AdapterView;import android.widget.BaseAdapter;import android.widget.GridView;import android.widget.ImageView;import android.widget.TextView;import android.widget.AdapterView.OnItemClickListener;import android.widget.LinearLayout.LayoutParams;public class MainActivity extends Activity {private GridView gridView;private List<Item> itemList;private MyListAdapter adapter;private ItemClickEvent listener;private MyHandler handler;public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);setContentView(R.layout.main);gridView = (GridView) findViewById(R.id.gridView);handler = new MyHandler();new Thread() {public void run() {itemList = new ArrayList<Item>();for(int i=0;i<10;i++){Item item = new Item("北极熊生存如履薄冰" + i,"如果我们从现在开始就采取措施降低气温" + i);itemList.add(item);}Message msg = Message.obtain();msg.what = 1;handler.sendMessage(msg);}}.start();}private class MyHandler extends Handler{public void handleMessage(Message msg) {switch (msg.what) {case 1:if ((itemList == null) || (itemList.size() == 0)) {return;} else {LayoutParams params = new LayoutParams(itemList.size() * (420 + 6), LayoutParams.WRAP_CONTENT);gridView.setLayoutParams(params);gridView.setColumnWidth(420);gridView.setHorizontalSpacing(6);gridView.setStretchMode(GridView.NO_STRETCH);gridView.setNumColumns(itemList.size());adapter = new MyListAdapter(MainActivity.this);listener = new ItemClickEvent();gridView.setAdapter(adapter);gridView.setOnItemClickListener(listener);}break;}}}private class MyListAdapter extends BaseAdapter {private final String TAG = "MyListAdapter";private LayoutInflater mInflater;private final Context context;public MyListAdapter(Context context) {this.context = context;mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);}public int getCount() {return itemList.size();}public Object getItem(int position) {return itemList.get(position);}public long getItemId(int position) {return position;}public View getView(int position, View convertView, ViewGroup parent) {Item item = itemList.get(position);CellHolder cellHolder;if (convertView == null) {cellHolder = new CellHolder();convertView = mInflater.inflate(R.layout.item, null);cellHolder.ivIcon = (ImageView) convertView.findViewById(R.id.ivIcon);cellHolder.tvTitle = (TextView) convertView.findViewById(R.id.tvTitle);cellHolder.tvContent = (TextView) convertView.findViewById(R.id.tvContent);convertView.setTag(cellHolder);}else{cellHolder = (CellHolder) convertView.getTag();}cellHolder.ivIcon.setImageResource(R.drawable.bear);cellHolder.tvTitle.setText(item.getTitle());cellHolder.tvContent.setText(item.getContent());return convertView;}}private class CellHolder{ImageView ivIcon;TextView tvTitle;TextView tvContent;}private class ItemClickEvent implements OnItemClickListener{public void onItemClick(AdapterView<?> parent, View view, int position,long id) {}}}

Item

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal" android:layout_width="fill_parent"android:layout_height="wrap_content"android:padding="10dip"android:background="#FFFFFF"><ImageView android:id="@+id/ivIcon"android:layout_width="wrap_content"android:layout_height="wrap_content"android:src="@drawable/icon"android:layout_marginRight="10dip"/><LinearLayout android:orientation="vertical" android:layout_width="fill_parent"android:layout_height="wrap_content"><TextView android:id="@+id/tvTitle"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="标题标题标题标题标题"android:textColor="#000000"android:textSize="20dip"android:textStyle="bold"/><TextView android:id="@+id/tvContent"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="内容内容内容内容内容内容内容"android:textColor="#000000"/></LinearLayout></LinearLayout>

新注册不让发图，过些天再发了。