Android 网格视图

package com.xyz.gridview;

import java.util.HashMap;

import java.util.Set;

import android.app.Activity;

import android.content.Context;

import android.os.Bundle;

import android.view.ActionMode;

import android.view.LayoutInflater;

import android.view.MenuItem;

import android.view.ViewGroup;

import android.widget.AbsListView.LayoutParams;

import android.widget.AbsListView.MultiChoiceModeListener;

import android.widget.BaseAdapter;

import android.widget.Checkable;

import android.widget.FrameLayout;

import android.widget.GridView;

import android.widget.ImageView;

import android.widget.ListAdapter;

import android.widget.TextView;

public class HomeActivity extends Activity implements MultiChoiceModeListener {

private GridView mGridView;
private GridAdapter mGridAdapter;
private TextView mActionText;
private static final int MENU_SELECT_ALL = 0;
private static final int MENU_UNSELECT_ALL = MENU_SELECT_ALL + 1;
private Map mSelectMap = new HashMap();
private int[] mImgIds = new int[] { R.drawab