展会信息港展会大全

android Gridview生成程序快捷键的简单方法
来源:互联网   发布日期:2015-10-03 10:49:40   浏览:1053次  

导读:mainpage.xml<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas....

mainpage.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

<TextView

android:id="@+id/textView1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Large Text"

android:textAppearance="?android:attr/textAppearanceLarge" />

<GridView xmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/gridview"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:padding="10dp"

android:verticalSpacing="10dp"

android:horizontalSpacing="10dp"

android:numColumns="auto_fit"

android:columnWidth="60dp"

android:stretchMode="columnWidth"

android:gravity="center"

/>

</LinearLayout>

icon_item.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout

xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_height="wrap_content"

android:paddingBottom="4dip" android:layout_width="fill_parent">

<ImageView

android:layout_height="65dp"

android:layout_width="65dp"

android:id="@+id/ItemImage"

android:layout_centerHorizontal="true">

</ImageView>

<TextView

android:layout_width="wrap_content"

android:layout_below="@+id/ItemImage"

android:layout_height="wrap_content"

android:text="TextView01"

android:layout_centerHorizontal="true"

android:id="@+id/ItemText">

</TextView>

</RelativeLayout>

MainPageActivity

package Android.ERP;

import java.util.ArrayList;

import java.util.HashMap;

import android.content.Intent;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.GridView;

import android.widget.SimpleAdapter;

public class MainPageActivity extends Activity{

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.mainpage);

createShutCut();

}

//生成快捷键

void createShutCut()

{

GridView gridview = (GridView) findViewById(R.id.gridview);

//生成动态数组,并且转入数据

ArrayList<HashMap<String, Object>> lstImageItem = new ArrayList<HashMap<String, Object>>();

lstImageItem.add(getIcon("我的通讯录", R.drawable.inco_1));

lstImageItem.add(getIcon("我的课表", R.drawable.inco_5));

lstImageItem.add(getIcon("退出", R.drawable.inco_4));

//生成适配器的ImageItem <====> 动态数组的元素,两者一一对应

SimpleAdapter saImageItems = new SimpleAdapter(this, //没什么解释

lstImageItem,//数据来源

R.layout.icon_item,//night_item的XML实现

//动态数组与ImageItem对应的子项

new String[] {"ItemImage","ItemText"},

//ImageItem的XML文件里面的一个ImageView,两个TextView ID

new int[] {R.id.ItemImage,R.id.ItemText});

//添加并且显示

gridview.setAdapter(saImageItems);

//添加消息处理

gridview.setOnItemClickListener(new ItemClickListener());

}

HashMap<String, Object>getIcon(String IconTitle,int drawableIconID)

{

HashMap<String, Object> map = new HashMap<String, Object>();

map.put("ItemImage", drawableIconID);//添加图像资源的ID

map.put("ItemText",IconTitle);//按序号做ItemText

returnmap;

}

classItemClickListener implements OnItemClickListener

{

public void onItemClick(AdapterView<?> arg0,//The AdapterView where the click happened

View arg1,//The view within the AdapterView that was clicked

int arg2,//The position of the view in the adapter

long arg3//The row id of the item that was clicked

) {

//arg2=arg3

HashMap<String, Object> item=(HashMap<String, Object>) arg0.getItemAtPosition(arg2);

//显示所选Item的ItemText

setTitle((String)item.get("ItemText"));

Stringtitle=(String)item.get("ItemText");

switchMoudel(title);

}

//进入指定模块

void switchMoudel(String strTitle)

{

if(strTitle.equalsIgnoreCase("我的课表"))

enterMoudel(MyClassListActivity.class );

if(strTitle.equalsIgnoreCase("我的通讯录"))

enterMoudel( ContactBookListActivity.class );

if (strTitle.equalsIgnoreCase("退出"))

{

Log.d("activity count:", activityList.size()+"");

QuitSystem();

}

}

//进入指定模块 strTitle:模块名称,enterActivityName:进入的activityh名称

void enterMoudel(Class<?> enterActivityName)

{

Intent intent=new Intent(MainPageActivity.this,enterActivityName) ;

startActivity(intent);

}

}

}

作者:guozh

赞助本站

人工智能实验室

相关热词: android开发 教程

AiLab云推荐
展开

热门栏目HotCates

Copyright © 2010-2024 AiLab Team. 人工智能实验室 版权所有    关于我们 | 联系我们 | 广告服务 | 公司动态 | 免责声明 | 隐私条款 | 工作机会 | 展会港