Android使用Gridview单行横向滚动显示

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  xmlns:tools="http://schemas.android.com/tools"  android:layout_width="match_parent"  android:layout_height="match_parent"  tools:context=".MainActivity"  android:orientation="vertical"  android:weightSum="2" >  <HorizontalScrollView    android:id="@+id/horizontal_scrollview"    android:layout_height="0dp"    android:layout_width="fill_parent"    android:layout_weight="1"    android:layout_gravity="center"    android:background="@android:color/darker_gray"    android:scrollbars="none">      <LinearLayout        android:layout_height="match_parent"        android:layout_width="match_parent"        android:orientation="horizontal">         <GridView           android:id="@+id/test_gridview"           android:layout_width="match_parent"          android:layout_height="wrap_content"          android:layout_gravity="center"/>      </LinearLayout>  </HorizontalScrollView></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="80dp"  android:layout_height="match_parent"  android:orientation="vertical" >  <ImageView     android:id="@+id/item_img"    android:layout_width="60dp"    android:layout_height="60dp"    android:layout_gravity="center_horizontal"    android:scaleType="fitXY"    android:background="#00000000"/>  <TextView     android:id="@+id/item_text"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:gravity="center_horizontal"    android:textSize="20dp"    android:text="233"    android:textColor="@android:color/white"/></LinearLayout>

package com.example.scrollgridview;import android.os.Bundle;import android.app.Activity;import android.content.Context;import android.util.DisplayMetrics;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.GridView;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;public class MainActivity extends Activity {  private GridView gridview;  private int imgs[]={R.drawable.remote_tv_0,      R.drawable.remote_tv_1,R.drawable.remote_tv_2,      R.drawable.remote_tv_3,R.drawable.remote_tv_4,      R.drawable.remote_tv_5,R.drawable.remote_tv_6,      R.drawable.remote_tv_7,R.drawable.remote_tv_8,      R.drawable.remote_tv_9};  private GridviewAdapter adapter;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    gridview = (GridView)findViewById(R.id.test_gridview);    adapter = new GridviewAdapter();    DisplayMetrics dm = new DisplayMetrics();    getWindowManager().getDefaultDisplay().getMetrics(dm);    float density = dm.density;    int size = imgs.length;//要显示数据的个数    //gridview的layout_widht,要比每个item的宽度多出2个像素，解决不能完全显示item的问题    int allWidth = (int) (82 * size * density);    //int allWidth = (int) ((width / 3 ) * size + (size-1)*3);//也可以这样使用，item的总的width加上horizontalspacing    int itemWidth = (int) (80 * density);//每个item宽度    LinearLayout.LayoutParams params = new         LinearLayout.LayoutParams(allWidth,LinearLayout.LayoutParams.MATCH_PARENT);    gridview.setLayoutParams(params);    gridview.setColumnWidth(itemWidth);    gridview.setHorizontalSpacing(3);    gridview.setStretchMode(GridView.NO_STRETCH);    gridview.setNumColumns(size);    gridview.setAdapter(adapter);    adapter.setindex(0);    adapter.notifyDataSetChanged();    gridview.setOnItemClickListener(new OnItemClickListener() {      @Override      public void onItemClick(AdapterView<?> parent, View view,          int position, long id) {        // TODO Auto-generated method stub        adapter.setindex(position);        adapter.notifyDataSetChanged();      }    });  }  class GridviewAdapter extends BaseAdapter{    private int index = 0;    @Override    public int getCount() {      // TODO Auto-generated method stub      return imgs.length;    }    @Override    public Object getItem(int position) {      // TODO Auto-generated method stub      return imgs[position];    }    @Override    public long getItemId(int position) {      // TODO Auto-generated method stub      return position;    }    public void setindex(int index){      this.index = index;    }    @Override    public View getView(int position, View convertView, ViewGroup parent) {      // TODO Auto-generated method stub      LayoutInflater mInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);      ViewHolder viewHolder;      if (convertView == null) {        convertView = mInflater.inflate(R.layout.gridview_itme, null);        viewHolder = new ViewHolder();        viewHolder.img = (ImageView)convertView.findViewById(R.id.item_img);        viewHolder.text = (TextView)convertView.findViewById(R.id.item_text);        convertView.setTag(viewHolder);      }else{        viewHolder = (ViewHolder)convertView.getTag();      }      if(this.index == position){        convertView.setBackgroundResource(R.drawable.list_item_bg_focus);      }      else{        convertView.setBackgroundResource(R.drawable.list_item_bg);      }      viewHolder.img.setImageResource(imgs[position]);      viewHolder.text.setText(position+"");      return convertView;    }    class ViewHolder{      ImageView img;      TextView text;    }  }}