垃圾文件清理.bat

2011-05-03 10:22:04

先看效果图： 如下



下面是代码部分：

1. 在main.xml中添加GridView

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:background="@drawable/background"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<GridView
android:id="@+id/grid_view"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:numColumns="5"
android:horizontalSpacing="10dp"
android:verticalSpacing="10dp">
</GridView>
</RelativeLayout>

2.注意：菜单栏中的每一子项都需要一个布局文件



如上图 是一个垂直布局的LinearLayout

menu_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/item_iamge"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
/>
<TextView
android:id="@+id/item_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"/>
</LinearLayout>

3.主要代码部分 MainActivity.java

package com.yin.bottom_menu;
import java.util.ArrayList;
import java.util.HashMap;
import android.app.Activity;
import android.os.Bundle;
import android.widget.GridView;
import android.widget.SimpleAdapter;
public class MainActivity extends Activity {
//图片资源
private static int[] images = {
R.drawable.menu_add_new,
R.drawable.menu_delete,
R.drawable.menu_exit,
R.drawable.menu_search,
R.drawable.menu__list
};
//菜单栏中的文字显示
private static String[] menu_texts = {
"增加","删除","退出","查找","菜单"
};

private ArrayList<HashMap<String,Object>> menu_data ;

private GridView grid_view;

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

init_menu();
}
//初始化底部菜单栏
private void init_menu(){
grid_view = (GridView) findViewById(R.id.grid_view);

add_menu_data();

//向菜单栏中的控件添加适配其
SimpleAdapter adapter = new SimpleAdapter(this, menu_data, R.layout.menu_item,
new String[]{"menu_image","menu_text"}, new int[]{R.id.item_iamge,R.id.item_text});

grid_view.setAdapter(adapter);
}
//添加菜单栏中显示的数据
private void add_menu_data(){
menu_data = new ArrayList<HashMap<String,Object>>();
for(int i=0;i<images.length;i++){
HashMap<String,Object> map = new HashMap<String, Object>();
map.put("menu_image", images[i]);
map.put("menu_text", menu_texts[i]);
menu_data.add(map);
}
}
}