Android自定义Menu（菜单）

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新建自定义Menu————>TabMenu.java如下：
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package com.ncw;
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.drawable.ColorDrawable;
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import android.view.Gravity;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import android.widget.GridView;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.PopupWindow;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.LinearLayout.LayoutParams;
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public class TabMenu extends PopupWindow {
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    private GridView gridView;
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    private LinearLayout mLayout;
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    public TabMenu(Context context, OnItemClickListener bodyClick, int colorBgTabMenu) {
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        super(context);
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        mLayout = new LinearLayout(context);
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        mLayout.setOrientation(LinearLayout.VERTICAL);
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        gridView = new GridView(context);
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        gridView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
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                LayoutParams.WRAP_CONTENT));
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        gridView.setSelector(new ColorDrawable(Color.TRANSPARENT));// 选中的时候为透明色
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        gridView.setNumColumns(4);
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        gridView.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
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        gridView.setVerticalSpacing(0);
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        gridView.setHorizontalSpacing(0);
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        gridView.setPadding(0, 0, 0, 0);
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        gridView.setGravity(Gravity.CENTER);
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        gridView.setOnItemClickListener(bodyClick);
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        mLayout.addView(gridView);
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        // 设置默认项
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        this.setContentView(mLayout);
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        this.setWidth(LayoutParams.FILL_PARENT);
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        this.setHeight(LayoutParams.WRAP_CONTENT);
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        this.setBackgroundDrawable(new ColorDrawable(colorBgTabMenu));// 设置TabMenu菜单背景
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        this.setFocusable(true);// menu菜单获得焦点如果没有获得焦点menu菜单中的控件事件无法响应
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    }
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    public void SetBodySelect(int index, int colorSelBody) {
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        int count = gridView.getChildCount();
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        for (int i = 0; i < count; i++) {
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            if (i != index)
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                ((LinearLayout) gridView.getChildAt(i))
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                        .setBackgroundColor(Color.TRANSPARENT);
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        }
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        ((LinearLayout) gridView.getChildAt(index))
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                .setBackgroundColor(colorSelBody);
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    }
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    public void SetBodyAdapter(MenuBodyAdapter bodyAdapter) {
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        gridView.setAdapter(bodyAdapter);
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    }
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    /**
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     * 自定义Adapter，TabMenu的每个分页的主体
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     *
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     */
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    static public class MenuBodyAdapter extends BaseAdapter {
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        private Context mContext;
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        private int[] resID;
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        /**
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         * 设置TabMenu的分页主体
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         *
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         * @param context
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         *            调用方的上下文
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         * @param resID
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         */
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        public MenuBodyAdapter(Context context, int[] resID) {
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            this.mContext = context;
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            this.resID = resID;
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        }
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        @Override
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        public int getCount() {
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            return resID.length;
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        }
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        public Object getItem(int position) {
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            return makeMenyBody(position);
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        }
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        public long getItemId(int position) {
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            return position;
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        }
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        private LinearLayout makeMenyBody(int position) {
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            LinearLayout result = new LinearLayout(this.mContext);
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            result.setOrientation(LinearLayout.VERTICAL);
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            result.setGravity(Gravity.CENTER_HORIZONTAL
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                    | Gravity.CENTER_VERTICAL);
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补充：移动开发 , Android ,