按照教程进行操作

不知道显示怎么成这样的效果

上下两行的间隔太大

而且文字和图片之间的间隔也很大

布局文件也进行了修改

还是不行

有遇到过类似问题的人么

希望您给我一点意见

mainactivity.java

package com.example.imageview;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import android.R.integer;

import android.R.string;

import android.app.Activity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.GridView;

import android.widget.SimpleAdapter;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

GridView gridView=(GridView) findViewById(R.id.gridView1);

int[] imageid=new int[]{R.drawable.img01,R.drawable.img02,R.drawable.img03,

R.drawable.img04,R.drawable.img05,R.drawable.img06,

R.drawable.img07};

String[] title=new String[]{"a","b","c","d","e","f","i"};

List>listitems=new ArrayList>();

for (int i = 0; i < imageid.length; i++) {

Map map=new HashMap();

map.put("image", imageid[i]);

map.put("title", title[i]);

listitems.add(map);

}

SimpleAdapter adapter=new SimpleAdapter(this,

listitems, R.layout.items,

new String[]{"title","image"},

new int[]{R.id.title, R.id.image});

gridView.setAdapter(adapter);

}

}

activity_main.xml

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical">

android:id="@+id/gridView1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:numColumns="4"

android:horizontalSpacing="10dp"

android:verticalSpacing="10dp"

>

items.xml

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical" >

android:id="@+id/image"

android:layout_gravity="center"

android:scaleType="fitCenter"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

/>

android:layout_width="match_parent"

android:layout_height="match_parent"

android:padding="5px"

android:layout_gravity="center"

android:id="@+id/title"

/>