PHP后端android项目(三)APP主界面九宫格

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PHP后端android项目(三)APP主界面九宫格

代码：

https://code.csdn.net/u012995856/androidpro/tree/master

参考：

http://www.cnblogs.com/yourancao520/archive/2011/11/22/2259532.html

效果：

这里写图片描述

界面布局：

这里写图片描述

activity_main.xml

使用网格布局布局主界面

<?xml version="1.0" encoding="utf-8"?>    <GridView xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/gridview_main"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:numColumns="auto_fit"    android:horizontalSpacing="10dp"    android:verticalSpacing="10dp"    android:columnWidth="90dp"    android:stretchMode="columnWidth"    android:gravity="center"    tools:context="com.huijiasoft.androidpro.MainActivity">    </GridView>

menu_item_main.xml

布局每个宫格的样式，由图片和文字组成

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    >    <ImageView  android:layout_width="wrap_content"        android:id="@+id/ItemImage"        android:layout_height="wrap_content"        android:layout_centerHorizontal="true"/>    <TextView   android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_below="@+id/ItemImage"        android:id="@+id/ItemText"        android:layout_centerHorizontal="true"        /></RelativeLayout>

MainActivity.java

package com.huijiasoft.androidpro;import android.content.Intent;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.AdapterView;import android.widget.GridView;import android.widget.SimpleAdapter;import java.util.ArrayList;import java.util.HashMap;/*    author:pangPython    func:app主界面-九宫格 */public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        //创建网格布局        GridView gridView = (GridView) findViewById(R.id.gridview_main);        //使用列表储存九宫格图片和标题        ArrayList<HashMap<String,Object>> menuList = new ArrayList<HashMap<String, Object>>();        String func_name[] = {"部门","员工","项目","新闻","公告","荣誉","成就","设置","关于"};        //key-value形式装入集合并添加到列表中        for (int i=1;i<10;i++){            HashMap<String,Object> map = new HashMap<String,Object>();            map.put("ItemImage",R.mipmap.ic_launcher);            map.put("ItemText",func_name[i-1]);            menuList.add(map);        }        //监听器        SimpleAdapter saMenuList = new SimpleAdapter(this,                menuList,                R.layout.menu_item_main,                new String[]{"ItemImage","ItemText"},                new int[]{R.id.ItemImage,R.id.ItemText}                );        gridView.setAdapter(saMenuList);        gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {                Intent intent = null;            //点击九宫格进行跳转                switch (i){                    case 0:                        intent = new Intent(MainActivity.this,DepartmentActivity.class);                        break;                    case 1:                        intent = new Intent(MainActivity.this,StaffActivity.class);                        break;                    case 2:                        intent = new Intent(MainActivity.this,ProjectActivity.class);                        break;                    case 3:                        intent = new Intent(MainActivity.this,NewsActivity.class);                        break;                    case 4:                        intent = new Intent(MainActivity.this,NoticeActivity.class);                        break;                    case 5:                        intent = new Intent(MainActivity.this,HonorActivity.class);                        break;                    case 6:                        intent = new Intent(MainActivity.this,AchievementActivity.class);                        break;                    case 7:                        intent = new Intent(MainActivity.this,SetupActivity.class);                        break;                    case 8:                        intent = new Intent(MainActivity.this,AboutActivity.class);                        break;                }                MainActivity.this.startActivity(intent);            }        });    }}

认为此处逻辑代码中最重要的是监听器代码。

每个activity要在AndroidManifest.xml文件中注册，才能合法使用，还有APP要使用到的权限

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.huijiasoft.androidpro">    <!-- Required -->    <permission        android:name="com.huijiasoft.androidpro.permission.JPUSH_MESSAGE"        android:protectionLevel="signature" />    <!-- Required  一些系统要求的权限，如访问网络等-->    <uses-permission android:name="com.huijiasoft.androidpro.permission.JPUSH_MESSAGE" />    <uses-permission android:name="android.permission.RECEIVE_USER_PRESENT" />    <uses-permission android:name="android.permission.INTERNET" />    <uses-permission android:name="android.permission.WAKE_LOCK" />    <uses-permission android:name="android.permission.READ_PHONE_STATE" />    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />    <uses-permission android:name="android.permission.WRITE_SETTINGS" />    <uses-permission android:name="android.permission.VIBRATE" />    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />    <!-- Optional for location -->    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" /> <!-- 用于开启 debug 版本的应用在6.0 系统上 层叠窗口权限 -->    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />    <uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" />    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />    <uses-permission android:name="android.permission.GET_TASKS" />    <application        android:allowBackup="true"        android:icon="@mipmap/ic_launcher"        android:label="@string/app_name"        android:supportsRtl="true"        android:theme="@style/AppTheme">        <activity android:name=".LoginActivity">            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <activity android:name=".MainActivity" />        <activity android:name=".DepartmentActivity" />        <activity android:name=".StaffActivity" />        <activity android:name=".ProjectActivity" />        <activity android:name=".NewsActivity" />        <activity android:name=".NoticeActivity" />        <activity android:name=".HonorActivity" />        <activity android:name=".AchievementActivity" />        <activity android:name=".SetupActivity" />        <activity            android:name=".AboutActivity"            android:label="@string/title_activity_about"            android:theme="@style/AppTheme.NoActionBar"></activity>    </application></manifest>

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