基于Android平臺的菜譜實現(xiàn)

1、基于Android平臺的菜譜實現(xiàn)1需求分析隨著手機的廣泛普及，無線技術的突飛猛進，移動生活、移動辦公逐漸由概念轉變?yōu)楝F(xiàn) 實，對于傳統(tǒng)的餐飲業(yè)也產(chǎn)生了潛移默化的影響。目前，大多數(shù)餐廳仍然以傳統(tǒng)的紙質菜單為主。但是，這種點菜方式存在諸多弊端：從 消費者角度來講，菜譜不能及時更新，導致菜譜信息舊，點菜時經(jīng)常出現(xiàn)某菜品已下架等情 況。用戶需求：從餐廳老板來說，及時更新紙質的菜譜，無疑會增加餐廳的額外支出。為了 改善傳統(tǒng)紙質菜譜的弊端，將菜譜應用于手機客戶端，為消費者帶來更為便利的客戶體驗。 而實時的菜品更新，不僅解決了紙質菜譜短時間就出現(xiàn)臟、亂、差的問題，實現(xiàn)餐廳無紙化 操作，而且潛在的提升了飯店的形

2、象。功能需求：用戶可以進入菜單界面選擇菜品分類，進入相應的分類，查看該分類中的菜 品信息，并對菜品的等級程度進行評價，查詢某特定菜品，也可添加新菜品，刪除菜品等。2功能實現(xiàn)本APP基于自身的需求，同時對西北大學周圍眾多餐廳現(xiàn)狀的合理分析，結合實際，設 計并實現(xiàn)了一個基于移動手機平臺的智能菜譜顯示，該系統(tǒng)的設計基于Android智能操作系 統(tǒng)，簡單的SQLite數(shù)據(jù)庫，實現(xiàn)了對菜品的增、刪、查、改各個功能。消費者可以添加要點的菜品，在餐后可以對菜品的口味及好感程度進行具體化的評價， 這樣是對餐廳工作人員的一個回饋，同時也可以為其他消費者就餐提供建議。2. 1主界面1、實現(xiàn)了對菜品的具體分類。如圖

3、2-142 .HllOk/s10:43 Q iCll © 40 76%圖2T單擊所選擇的菜品分類，出現(xiàn)菜品的鏡像顯示，為消費者提供更為直觀的視覺效果，有 助于消費者做出選擇。如圖2-2頁腳4G “III Ms 區(qū)10:439 iQl (5 * 尤區(qū)1菜譜顯示圖2-22、是進入菜品顯示的入口，同時也顯示了該軟件的使用方法如圖2-3：圖2-32. 2菜譜顯示界面1、該類菜品中所有菜品的具體展示，菜品名稱、菜品分類、菜品描述、菜品編號、以及菜 品的星級評價，單選或多選菜品。如圖2-4：70% CM圖2-42,搜索菜品菜漕顯示界面會顯示該分類下的所有菜品，當需要直接看到某單個菜品的具體消息時

4、, 可以通過搜索框，進行菜名的特定篩選。如圖2-54C .till o10479 iDc QJ * nr%OBI< 榮酒顯示泡羊商品列表廠BE 圖2-53、對菜品進行漆加4、刪除菜品當菜品長時間被消費者冷落，或者有不想再推出的菜品時，進行及時的刪除。為消費者 提供實時的消息。如圖2-6：商品列表：圖2-62. 3菜品添加界面當有新的菜品推出時，進行及時的添加，為消費者提供更多選擇。軟件對菜品的分類給與明 確的選擇，給用戶提供便利。如圖2-7：工川加.10:459® w.Add Food Activity名稱：分類：姆比：名林:泡英粥品/分會：派和糕點,粥品派和糕點膨化食品描述:

5、外層蛋糕，內(nèi)層包裹濃濃的媯油，味道微甜,口 感極好的!|普菜輔料保存敢愛敢做 餅干保存圖2-73編碼3.1鏡像顯示public class MyMirrorGa11eryActivity extends Activitypublic MyMirrorGa11ery gallery；Overridepub1ic void onCreate(Bundle savedlnstanceState) super. onCreate(savedlnstanceState)；setContentView(R. layout, my gallery)；/Action BarActionBar actionBa

6、r = getActionBar()；actionBar. setDisplayHomeAsUpEnabled(true)；actionBar. setDi sp1ayShowHomeEnab1ed(true)； actionBar. hide()；actionBar. show()； /show it again ga11ery=(MyMirrorGa11 ery)f indViewById(R. id. Mygallery)；gallery.setAdapter(new MyAdapter(this)；Overridepublic boolean onCreateOptionsMenu(M

7、enu menu) super.onCreateOptionsMenu(menu)；CreateMenu(menu)；return true；)Overridepublic boolean onOptionsItemSe1ected(MenuItem item)(return MenuChoice(item)；)private void CreateMenu(Menu menu)(Menu I tem mnul = menu. add(Ot 0, 0,"詳情顯示")；mnul. seticon(R. drawable. ic launcher)； mnul. setShow

8、AsAction(MenuItem. SHOW AS ACTION NEVER |MenuItem. SHOW AS ACTION WITH TEXT)；)Menu Item mnu2 = menu. add(Of 1, 1,”軟件所有權”)； mnu2. seticon(R. drawable, ic launcher)；mnu2. setShowAsAction (MenuItem. SHOW AS ACTION NEVER |MenuItem. SHOW AS ACTION WITH TEXT)；)Menu Item mnu3 = menu. add(0, 2, 2,"使用說明

9、");mnu3. seticon(R. drawable, ic launcher)；mnu3. setShowAs/ction (MenuItem. SHOW AS ACTION NEVER |MenuItem. SHOW AS ACTION WITH一TEXT)；)private boolean MenuChoice(MenuItem item)(switch (item, getltemld() case android. R. id. home：Toast. makeText(this,"You clicked on the Application icon&quo

10、t;,Toast. LENGTH LONG). show()；Intent i = new Intent(this, MyMirrorGalleryActivity. class)；i. addFlags(Intent. FLAG ACTIVITY CLEAR TOP)；startActivity(i)；return true；case 0：Intent i2 = new Intent(this, MenuActivity. class)；i2. addFlags(Intent. FLAG ACTIVITY CLEAR_TOP)；startActivity(i2)；return true；ca

11、se 1：Toast. makeText (this, ”軟件說明：二Toast. LENGTH LONG). show()；new AlertDialog. Bui Ider (MyMii'rorGallery/ctivity. this).setTitle("軟件說明:").setMessage("軟件著作:*n適用圍：所有愛好美食的人n").setPositiveButton("確定",null).show()；return true；case 2：Toast. makeText (this,"使用說明”，To

12、ast. LENGTH LONG). show()；new AlertDialog. Builder(MyMii'rorGalleryActivity. this). setTitle("使用說明:w).setMessage("使用方法:n 1.選擇食物類型；n 2.查看食物n 3.選擇 心儀的菜品n").setPositiveButton("確定".null).show ()；return true；)return false；)3. 2添加菜品public class AddFoodActivity extends Activity

13、 protected void onCreate(Bundle savedInstanceState) super. onCreate(savedlnstanceState)；setContentView(R. layout. addfood)；Spinner ()；Button btn save=(Button) findViewByld(R. id. btn save)；btn save. setOnClickListener(new OnClickListener() public void onClick(View v) / TODO Auto-generated method stu

14、bEditTexted i tText l_foodnanie= (Ed i tText)findViewById(R. id. editText1 foodname)；/EditText spinnerl=(EditText) findViewById(R. id. spinnerl)；Spinner spinnerGroup = (Spinner) findViewById(R. id. spinnerl)；EditTexteditTextl_describe=(EditText)findViewById(R. id. editText1 describe)；String foodname

15、=editText1 foodname. getText(). toStringO；/String editspinner1=spinner1. getText(). toStringO；StringclassificationspinnerGroup. getSelectedltemO. toStringO ；String describe=editText1 describe. getText(). toStringO；FoodMenu food=new FoodMenu(foodname, describe, classification)；MenuService dbOpenHelpe

16、r=new MenuService(AddFoodActivity.this)；dbOpenHelper. add(food)；修改Intent i = new Intent(AddFoodActivity.this, MenuActivity.class)；i.addFlags(Intent. FLAG ACTIVITY CLEAR TOP)；startActivity(i)；f inishO ；);)public boolean onCreateOptionsMenu(Menu menu) / Inflate the menu； this adds items to the action

17、bar if it is present.getMenuInflater(). inflate(R. menu. add food, menu)；return true；)public boolean onOptionsItemSelected(Menuitem item) / Handle action bar item clicks here. The action bar wi11/ automatically handle clicks on the Home/Up button, so long/ as you specify a parent activity in /ndroid

18、Manifest. id = item. getltemldO ；if (id = R. id.action settings) return true；)return super. onOptions11emSe1ected(itern)；)private void Spinner()分組Spinner填充Ai'rayList<String> group = new ArrayList<String>()；group, add("粥品")；group, add ("派和糕點")；group, add(&q

19、uot;膨化食品")；group, add("醬菜輔料")；group, add("敢愛敢做")；group, add ("餅干")；創(chuàng)建適配器newArrayAdapter<St r i ng>adapterAn'ayAdapter<String>(this, R. layout. item spinner, R. id. item style,group)；獲得控件對象Spinner groupSpinner = (Spinner) this.findViewById(R. id. spi

20、nnerl)；設置spinner對象的數(shù)據(jù)適配器groupSpinner. setAdapter(adapter)；groupSpinner. setPrompt ("食物分類")；)3. 3菜譜顯示public class MenuActivity extends Activity(private ArrayList<CheckBox> checkBox = new ArrayList<CheckBox>()；private boolean hasChecked；private ListView listView；private RatingBar

21、 ratBar；private android, widget. SimpleAdapter adapter；private List<Map<String, Object» listitems；private Integer imgid = R. drawable, pl,R. drawable. p2t R. drawable. p3,R. drawable. p4, R. drawable. p5,):private CheckBox check；Overrideprotected void onCreate(Bundle savedInstanceState) s

22、uper. onCreate(savedlnstanceState)；去除標題/this. requestWindowFeature(Window. FEATURE NO TITLE)；setContentView(R. layout, showfood)；/Action Bar/XctionBar actionBar = getActionBar ()；act ionBar. setDisplayllomeAsUpEnabled (true)；actionBar. setDisplayShowHomeEnabled(true)；actionBar. show()； /show it agai

23、n獲得搜索按鈕對象ImageButton searchbtn = (ImageButton) findViewById(R. id. searchbtn)；/searchButton注冊監(jiān)聽事件searchbtn. setOnClickListener(new View. OnClickListener() (Overridepublic void onClick(View v) / TODO Auto-generated method stubEditTextsearchtext=(EditText)findViewById(R. id. editTextSearch)；String nam

24、e = searchtext. getText (). toStringO ；MenuService ms = new MenuService(Menu.Activity. this)；ArrayList<HashMap<String,Object» datal = newArrayList<HashMap<String,Object»()；List<FoodMenu> list = ms. QueryAl IDataO ； for(FoodMenu foodmenu：list) foodmenu. getName(). toString

25、O ：if (name, equals (foodmenu. getNameO. toStringO) HashMap<String,Object> foodMap = new HashMap<String,Object>()；foodMap. put ("num”, foodmenu， getNumO )；foodMap. put ("name，, foodmenu. getNameO)；foodMap. put("classification”,foodmenu. getClassification()；foodMap. put (&q

26、uot;describe”, foodmenu. getDescribeO)；datal. add(foodMap)； )inta=newintR. id. tvno, R. id. tvfoodname,R. id. tvclassif ication, R. id. bdetail)；adapter=newandroid, widget. Simp 1 eAdaptei*(MenuActivity. this. getAppl icationContext (), datal, R. layout, list item2, new StringE"num","

27、name","classification"."describe", a)；1istView=(ListView) findViewByld(R. id. 1istview)；1istView. setTextFilterEnabled(true)；/將1 istView控件和adapter綁定1istView. setAdapter (adapter)；1istView. setOnltemClickListener(newAdapterView. OnltemClickListener() pubIic void onItemC1i ck(

28、AdapterV i ew<?> adapterView, Viewview,int position, long id) / TODO Auto-generated method stubHashMap<String,Object> itemMap = (HashMap<String,Object»adapterView. get ItemAtPosition(position)；int num = (Integer) itemMap. get("nunT)；String foodName = (String) itemMap. get(nf

29、oodNameH)；String foodclassification = (String) i temMap. get (HfoodClassif icatoin1')；String describe = (String) itemMap. get("describe")；FoodMenu foodm = new FoodMenu()；foodm. setNum(num)；foodm. setName(foodName)；foodm. setClassification(foodclassification)；foodm. setDescribe(describe

30、)；Intent intent = new Intent()；intent. putExtra(Mfood", foodm)；intent. setClass(MenuActivity. this,ShowInfoAct ivi ty. class)；MenuActivity. this. startActivity(intent)；););MenuService ms = new MenuService(this)；查詢所有的菜品List<FoodMenu> list = ms. QueryAlIDataO ；創(chuàng)建一個ArrayList集合,用于存放擁有food信息的M

31、AP集合ArrayList<HashMap<String,Object»data=newArrayList<HashMap<String,Object»()；for(FoodMenu foodmenu：list) HashMap<String,Object> foodMap = new HashMap<String,Object>()；foodMap. put (，numn F foodmenu. getNumO)；foodMap. put (w namen, foodmenu. getNameO)；foodMap. put(

32、"classificationH,foodmenu. getClassification()；foodMap. put ("describe", foodmenu. getDescribeO)；data, add(foodMap)；)inta=newintR. id. tvno, R. id. tvfoodname,R. id. tvclassif ication, R. id. bdetail)；adapter = new android. widget. Simp!eAdapter(this. getApplicationContext(), data,R.

33、layout. Iist_item2fnewStringE num","name","classification","describe", a)；1istView=(ListView) findViewByld(R. id. 1istview)；1istView. setTextFiIterEnabled(true)；將1 istView控件和adapter綁定1istView. setAdapter(adapter)；1istView. setOnltemClickListener(new AdapterView. On

34、ltemClickListener() Override頁腳public void onltemClick(AdapterView<?> adapterView, View view, int position, long id) / TODO Auto-generated method stubHashMap<Stringt Object> i temMap = (HashMap<String, Object»adapterView. get ItemAtPosition(position)；int num = (Integer) itemMap. g

35、et("num)；String foodName = (String) itemMap. get(nfoodName")；StringfoodClassification=(String)itemMap. get (nfoodClassif icatoin1')；String describe = (String) itemMap. get(udescribeH)；FoodMenu foodm = new FoodMenuO ；foodm. setNum(num)；foodm. setName(foodName)；foodm.setClassification(foodclassification)；foodm. setDescribe(describe)；Intent intent = new Intent()；intent. putExtra