GridView实例

源代码：

package com.mobimtech.com;

import android.app.Activity;import android.graphics.Color;import android.os.Bundle;import android.view.Gravity;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.BaseAdapter;import android.widget.GridView;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.AdapterView.OnItemClickListener;

public class GridViewDemo extends Activity { /** Called when the activity is first created. */  GridView grid; ComplexLayoutAdapter adapter;

 int image[] = { R.drawable.look, R.drawable.map, R.drawable.delete }; String name[] = { "查看信息", "地理位置", "删除好友" };

 @Override public void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.main);  grid= (GridView) findViewById(R.id.gride);  adapter=new ComplexLayoutAdapter(this);  grid.setAdapter(adapter);  grid.setOnItemClickListener(new OnItemClickListener(){

   @Override   public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,     long arg3) {    // TODO Auto-generated method stub    setTitle(name[arg2]);   }     });   }

 class ComplexLayoutAdapter extends BaseAdapter {

  Activity a;  public ComplexLayoutAdapter(Activity a){   this.a=a;  }    @Override  public int getCount() {   // TODO Auto-generated method stub   return image.length;  }

  @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 stub   return composeLayout(position);  }  public View composeLayout(int i){   LinearLayout layout=new LinearLayout(a);   layout.setOrientation(LinearLayout.VERTICAL);   ImageView iv=new ImageView(a);   iv.setImageResource(image[i]);   layout.addView(iv,new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT));   TextView tv=new TextView(a);   tv.setGravity(Gravity.CENTER_HORIZONTAL);   tv.setTextColor(Color.WHITE);   tv.setText(name[i]);   layout.addView(tv,new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT));   return layout;  }

 }}

 

布局文件：

<?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"      >   <GridView         android:id="@+id/gride"      android:layout_width="fill_parent"        android:layout_height="wrap_content"     android:numColumns="3"    />   </LinearLayout>