Android GridView显示一行,左右滑动

一、Activity部分代码

package com.max.test.gridview_viewpager;

import android.app.Activity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.Menu;
import android.widget.GridView;
import android.widget.HorizontalScrollView;
import android.widget.LinearLayout.LayoutParams;

public class MainActivity extends Activity {
	HorizontalScrollView horizontalScrollView;
	GridView gridView;
	DisplayMetrics dm;
	private int NUM = 4; // 每行显示个数
	
	private int LIEWIDTH;//每列宽度
	private int LIE = 12;//列数

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		horizontalScrollView = (HorizontalScrollView) findViewById(R.id.scrollView);
		gridView = (GridView) findViewById(R.id.gridView1);

		horizontalScrollView.setHorizontalScrollBarEnabled(false);// 隐藏滚动条
		getScreenDen();
		LIEWIDTH = dm.widthPixels / NUM;
		setValue();
	}

	private void setValue() {
		MyGridViewAdapter adapter = new MyGridViewAdapter(this, LIE);
		gridView.setAdapter(adapter);
		LayoutParams params = new LayoutParams(adapter.getCount() * LIEWIDTH,
				LayoutParams.WRAP_CONTENT);
		gridView.setLayoutParams(params);
		gridView.setColumnWidth(dm.widthPixels / NUM);
		gridView.setStretchMode(GridView.NO_STRETCH);
		int count = adapter.getCount();
		gridView.setNumColumns(count);
	}

	private void getScreenDen() {
		dm = new DisplayMetrics();
		getWindowManager().getDefaultDisplay().getMetrics(dm);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}

二、适配器

package com.max.test.gridview_viewpager;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class MyGridViewAdapter extends BaseAdapter {
	int count;
	Context context;

	public MyGridViewAdapter(Context context, int count) {
		// TODO Auto-generated constructor stub
		this.context = context;
		this.count = count;
	}

	@Override
	public int getCount() {
		// TODO Auto-generated method stub
		return count;
	}

	@Override
	public Object getItem(int position) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public long getItemId(int position) {
		// TODO Auto-generated method stub
		return position;
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		// TODO Auto-generated method stud
		ViewHolder holder;
		if (null == convertView) {
			holder = new ViewHolder();
			convertView = LayoutInflater.from(context).inflate(
					R.layout.listitem, null);
			holder.tv = (TextView) convertView.findViewById(R.id.textView1);
			convertView.setTag(holder);
		} else {
			holder = (ViewHolder) convertView.getTag();
		}
		holder.tv.setText("数量 " + (position + 1) + " ");
		return convertView;
	}

	class ViewHolder {
		ImageView iv;
		TextView tv;
	}

}

三、main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="78dip"
    android:orientation="vertical"
    android:background="#FF83FA" >

    <HorizontalScrollView
        android:id="@+id/scrollView"
        android:layout_width="wrap_content"
        android:layout_height="78dip"
        android:layout_weight="0.10" >

        <LinearLayout
            android:id="@+id/linearLayout1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" >

            <GridView
                android:id="@+id/gridView1"
                android:layout_width="match_parent"
                android:layout_height="match_parent" >
            </GridView>
        </LinearLayout>
    </HorizontalScrollView>

</LinearLayout>

四、listitem.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center_horizontal"
    android:orientation="vertical" >

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="48dp"
        android:scaleType="fitCenter"
        android:src="@drawable/ic_launcher" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="#FFFFFF" />

</LinearLayout>