乐学成语——完整实现

1.程序列表

2.MainActivity.java

package cn.edu.bztc.happyidiom.activity;import cn.edu.bztc.happyidiom.R;import android.app.TabActivity;import android.content.Intent;import android.os.Bundle;import android.view.Menu;import android.view.Window;import android.widget.TabHost;@SuppressWarnings("deprecation")public class MainActivity extends TabActivity {private TabHost tabHost;protected void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);//取消标题栏setContentView(R.layout.activity_main);tabHost=getTabHost();addTab("study",R.string.title_study,R.drawable.study,StudyActivity.class);addTab("search",R.string.title_search,R.drawable.search,StudyActivity.class);addTab("game",R.string.title_game,R.drawable.game,StudyActivity.class);addTab("save",R.string.title_save,R.drawable.save,StudyActivity.class);addTab("help",R.string.title_help,R.drawable.help,StudyActivity.class);}@SuppressWarnings("rawtypes")private void addTab(String tag,int title_introduction,int title_icon,Class ActivityClass){tabHost.addTab(tabHost.newTabSpec(tag).setIndicator(getString(title_introduction), getResources().getDrawable(title_icon)).setContent(new Intent(this,ActivityClass)));}public boolean onCreateOptionsMenu(Menu menu){//inflate the menu;this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}

3.StudyActivity.java

package cn.edu.bztc.happyidiom.activity;import java.util.ArrayList;import java.util.List;import cn.edu.bztc.happyidiom.R;import cn.edu.bztc.happyidiom.adapter.CategoryAdapter;import cn.edu.bztc.happyidiom.entity.Category;import android.app.Activity;import android.content.Intent;import android.content.res.Resources;import android.os.Bundle;import android.view.Menu;import android.view.View;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ListView;import android.widget.Toast;public class StudyActivity extends Activity {private List<Category> categoryList;private String[] category_names;private int[] category_images;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.activity_study);initCategories();//初始化类别CategoryAdapter adapter = new CategoryAdapter(this, R.layout.category_item, categoryList);ListView listView=(ListView)findViewById(R.id.lvCategories);listView.setAdapter(adapter);listView.setOnItemClickListener(new OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> adapterView, View view, int position,long id) {// TODO Auto-generated method stubswitch(position){case 0:Intent intent=new Intent(StudyActivity.this,StudyAnimalActivity.class);startActivity(intent);break;default:break;}//Category category=categoryList.get(position);//Toast.makeText(StudyActivity.this,category.getName(),Toast.LENGTH_LONG).show();}});}private void initCategories(){categoryList=new ArrayList<Category>();Resources resources=getResources();category_names=resources.getStringArray(R.array.category);category_images=new int[]{R.drawable.category_animal,R.drawable.category_nature,R.drawable.category_human,R.drawable.category_season,R.drawable.category_number,R.drawable.category_fable,R.drawable.category_other};for(int i=0;i<category_names.length;i++){categoryList.add(new Category(category_names[i], category_images[i]));}}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// TODO Auto-generated method stubgetMenuInflater().inflate(R.menu.study, menu);return true;}}

4.StudyAnimalAcitivity.java

package cn.edu.bztc.happyidiom.activity;import java.util.List;import cn.edu.bztc.happyidiom.R;import cn.edu.bztc.happyidiom.adapter.AnimalAdapter;import cn.edu.bztc.happyidiom.dao.AnimalDao;import cn.edu.bztc.happyidiom.entity.Animal;import cn.edu.bztc.happyidiom.util.DialogUtil;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ListView;import android.widget.Toast;public class StudyAnimalActivity extends Activity{private List<Animal> animalList;private AnimalDao animalDao;private ListView lvAnimalList;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_animal);initAnimals();lvAnimalList=(ListView)findViewById(R.id.lvAnimalList);AnimalAdapter animalAdapter=new AnimalAdapter(this,R.layout.animal_item,animalList);lvAnimalList.setAdapter(animalAdapter);lvAnimalList.setOnItemClickListener(new OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {Animal animal=animalList.get(position);/*定义对话框中提示语句*/String result=animal.getName()+"\n"+animal.getPronounce()+"\n【解释】："+animal.getExplain()+"\n【近义词】："+animal.getHomoionym()+"\n【反义词】："+animal.getAntonym()+"\n【来源】："+animal.getDerivation()+"\n【示例】："+animal.getExamples();DialogUtil.showDialog(result,StudyAnimalActivity.this);}});}/*获取成语数据*/private void initAnimals() {animalDao=AnimalDao.getInstance(this);animalList=animalDao.getAllAnimals();}}

5.StudyAnimalActivity.java

package cn.edu.bztc.happyidiom.activity;import java.util.List;import cn.edu.bztc.happyidiom.R;import cn.edu.bztc.happyidiom.adapter.AnimalAdapter;import cn.edu.bztc.happyidiom.dao.AnimalDao;import cn.edu.bztc.happyidiom.entity.Animal;import cn.edu.bztc.happyidiom.util.DialogUtil;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ListView;import android.widget.Toast;public class StudyAnimalActivity extends Activity{private List<Animal> animalList;private AnimalDao animalDao;private ListView lvAnimalList;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_animal);initAnimals();lvAnimalList=(ListView)findViewById(R.id.lvAnimalList);AnimalAdapter animalAdapter=new AnimalAdapter(this,R.layout.animal_item,animalList);lvAnimalList.setAdapter(animalAdapter);lvAnimalList.setOnItemClickListener(new OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {Animal animal=animalList.get(position);/*定义对话框中提示语句*/String result=animal.getName()+"\n"+animal.getPronounce()+"\n【解释】："+animal.getExplain()+"\n【近义词】："+animal.getHomoionym()+"\n【反义词】："+animal.getAntonym()+"\n【来源】："+animal.getDerivation()+"\n【示例】："+animal.getExamples();DialogUtil.showDialog(result,StudyAnimalActivity.this);}});}/*获取成语数据*/private void initAnimals() {animalDao=AnimalDao.getInstance(this);animalList=animalDao.getAllAnimals();}}

  6.AnimalAdapter.java

package cn.edu.bztc.happyidiom.adapter;import java.util.List;import cn.edu.bztc.happyidiom.entity.Animal;import cn.edu.bztc.happyidiom.R;import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.webkit.WebView.FindListener;import android.widget.ArrayAdapter;import android.widget.ImageButton;import android.widget.TextView;import android.widget.Toast;public class AnimalAdapter extends ArrayAdapter<Animal>{private int resourceId;private Context context;public AnimalAdapter(Context context, int resource,List<Animal> objects) {super(context,resource, objects);this.context=context;resourceId=resource;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {final Animal animal =getItem(position);//获取当前项的Animal实例View view;ViewHolder viewHolder;if(convertView==null){//判断是否第一次运行，如果是则进入，并将上下文环境保存进convertViewview=LayoutInflater.from(getContext()).inflate(resourceId,null);viewHolder=new ViewHolder();viewHolder.tvName=(TextView)view.findViewById(R.id.tvName);viewHolder.btnSave=(ImageButton)view.findViewById(R.id.btnSave);viewHolder.btnSave.setFocusable(false);viewHolder.btnSave.setFocusableInTouchMode(false);viewHolder.btnSave.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View arg0) {Toast.makeText(context,"你要收藏"+animal.getName()+"吗",Toast.LENGTH_SHORT).show();}});view.setTag(viewHolder);}else{//如果不是第一次运行，convertView不为空，直接取出赋值给viewview=convertView;viewHolder=(ViewHolder) view.getTag();}viewHolder.tvName.setText(animal.getName());//显示成语return view;}class ViewHolder{TextView tvName;ImageButton btnSave;}}

  7.CategoryAdapter.java

package cn.edu.bztc.happyidiom.adapter;import java.util.List;import cn.edu.bztc.happyidiom.entity.Category;import cn.edu.bztc.happyidiom.R;import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.webkit.WebView.FindListener;import android.widget.ArrayAdapter;import android.widget.ImageView;import android.widget.TextView;public class CategoryAdapter extends ArrayAdapter<Category>{private int resourceId;public CategoryAdapter(Context context, int resource,List<Category> categoryList) {super(context,resource, categoryList);resourceId=resource;}public View getView(int position, android.view.View convertView, android.view.ViewGroup parent) {Category category=getItem(position);//获取当前项的Category实例View view;ViewHolder viewHolder;if(convertView==null){view=LayoutInflater.from(getContext()).inflate(resourceId,null);viewHolder=new ViewHolder();viewHolder.categoryImage=(ImageView)view.findViewById(cn.edu.bztc.happyidiom.R.id.category_image);viewHolder.categoryName=(TextView)view.findViewById(cn.edu.bztc.happyidiom.R.id.category_name);view.setTag(viewHolder);}else{view=convertView;viewHolder=(ViewHolder) view.getTag();}viewHolder.categoryImage.setImageResource(category.getImageId());viewHolder.categoryName.setText(category.getName());return view;}class ViewHolder{ImageView categoryImage;TextView categoryName;}}

  8.AnimalDao.java

package cn.edu.bztc.happyidiom.dao;import java.util.ArrayList;import java.util.List;import cn.edu.bztc.happyidiom.db.DBOpenHelper;import cn.edu.bztc.happyidiom.entity.Animal;import android.content.Context;import android.database.Cursor;import android.database.sqlite.SQLiteDatabase;public class AnimalDao {private static AnimalDao animaiDao;private SQLiteDatabase db;/*将构造方法私有化*/private AnimalDao(Context context){DBOpenHelper dbHelper=new DBOpenHelper(context);db=dbHelper.openDatabase();}/*获取AnimalDao的实例*/public synchronized static AnimalDao getInstance(Context context){if(animaiDao==null){animaiDao=new AnimalDao(context);}return animaiDao;}/*从数据库读取所有的动物类成语*/public List<Animal> getAllAnimals(){List<Animal> list=new ArrayList<Animal>();Cursor cursor=db.query("animal",null,null,null,null,null,null);if(cursor.moveToNext()){do{Animal animal=new Animal();animal.setId(cursor.getInt(cursor.getColumnIndex("_id")));animal.setName(cursor.getString(cursor.getColumnIndex("name")));animal.setPronounce(cursor.getString(cursor.getColumnIndex("pronounce")));animal.setAntonym(cursor.getString(cursor.getColumnIndex("antonym")));animal.setHomoionym(cursor.getString(cursor.getColumnIndex("homoionym")));animal.setDerivation(cursor.getString(cursor.getColumnIndex("derivation")));animal.setExamples(cursor.getString(cursor.getColumnIndex("examples")));animal.setExplain(cursor.getString(cursor.getColumnIndex("explain")));list.add(animal);}while(cursor.moveToNext());}return list;}}

  9.DBOpenHelper.java

package cn.edu.bztc.happyidiom.db;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import android.content.Context;import android.database.sqlite.SQLiteDatabase;import android.os.Environment;import android.util.Log;/*实现将数据库文件从raw目录拷贝到手机里存放数据库的位置*/public class DBOpenHelper {private final int BUFFER_SIZE=400000;//缓冲区大小public static final String DB_NAME="idioms.db";//保存的数据库文件名public static final String PACKAGE_NAME="cn.edu.bztc.happyidiom";//应用的包名public static final String DB_PATH="/data"+Environment.getDataDirectory().getAbsolutePath()+"/"+PACKAGE_NAME+"/databases";//在手机里存放数据库的位置private Context context;public DBOpenHelper(Context context){this.context=context;}public SQLiteDatabase openDatabase(){try {File myDataPath=new File(DB_PATH);if(!myDataPath.exists()){myDataPath.mkdirs();//如果没有这个目录则创建}String dbfile=myDataPath+"/"+DB_NAME;if(!(new File(dbfile).exists())){//判断数据库文件是否存在，如果不存在则执行导入，否则直接打开数据库InputStream is=context.getResources().openRawResource(cn.edu.bztc.happyidiom.R.raw.idioms);FileOutputStream fos=new FileOutputStream(dbfile);byte[] buffer=new byte[BUFFER_SIZE];int count=0;while((count=is.read(buffer))>0){fos.write(buffer,0,count);}fos.close();is.close();}SQLiteDatabase db=SQLiteDatabase.openOrCreateDatabase(dbfile,null);return db;} catch (FileNotFoundException e) {Log.e("MainActivity","File not found");e.printStackTrace();}catch (IOException e) {Log.e("MainActivity","IO exception");e.printStackTrace();}return null;}}

  10.Animal.java

package cn.edu.bztc.happyidiom.entity;public class Animal {private int id;private String name;//成语名称private String pronounce;//成语发音private String explain;//成语解释private String antonym;//反义词private String homoionym;//同义词private String derivation;//源自private String examples;//例子public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getPronounce() {return pronounce;}public void setPronounce(String pronounce) {this.pronounce = pronounce;}public String getExplain() {return explain;}public void setExplain(String explain) {this.explain = explain;}public String getAntonym() {return antonym;}public void setAntonym(String antonym) {this.antonym = antonym;}public String getHomoionym() {return homoionym;}public void setHomoionym(String homoionym) {this.homoionym = homoionym;}public String getDerivation() {return derivation;}public void setDerivation(String derivation) {this.derivation = derivation;}public String getExamples() {return examples;}public void setExamples(String examples) {this.examples = examples;}}

  11.Category.java

package cn.edu.bztc.happyidiom.entity;public class Category {private String name;private int imageId;public Category(String name, int imageId) {super();this.name = name;this.imageId = imageId;}public String getName() {return name;}public int getImageId() {return imageId;}}

  12.AnimalDaoTest.java

package cn.edu.bztc.happyidiom.test;import java.util.List;import cn.edu.bztc.happyidiom.dao.AnimalDao;import cn.edu.bztc.happyidiom.entity.Animal;import android.test.AndroidTestCase;public class AnimalDaoTest extends AndroidTestCase{public void testGetAllAnimals(){AnimalDao animalDao=AnimalDao.getInstance(getContext());List<Animal> animals=animalDao.getAllAnimals();System.out.println(animals.size());for(Animal animal:animals){System.out.println(animal.getName());}}}

  13.DBOpenHelperTest.java

package cn.edu.bztc.happyidiom.test;import cn.edu.bztc.happyidiom.db.DBOpenHelper;import android.test.AndroidTestCase;public class DBOpenHelperTest extends AndroidTestCase{public void testDBCopy(){DBOpenHelper dbOpenHelper=new DBOpenHelper(getContext());dbOpenHelper.openDatabase();}}

  14.DialogUtil.java

package cn.edu.bztc.happyidiom.util;import cn.edu.bztc.happyidiom.R;import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;import android.view.LayoutInflater;import android.view.View;import android.widget.TextView;public class DialogUtil {public static void showDialog(String result,Context context){AlertDialog.Builder builder=new AlertDialog.Builder(context);LayoutInflater layoutInflater=LayoutInflater.from(context);View view=layoutInflater.inflate(R.layout.dialog_info, null);builder.setView(view);TextView tvIdiomInfo=(TextView) view.findViewById(R.id.tvIdiomInfo);tvIdiomInfo.setText(result);builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubdialog.dismiss();}});builder.create().show();}}

  15.animal_layout_listview.xml

<?xml version="1.0" encoding="utf-8"?><layoutAnimation xmlns:android="http://schemas.android.com/apk/res/android"    android:animation="@anim/anim_listview"    android:animationOrder="random"    android:delay="0.2"></layoutAnimation>

  16.animal_listview.xml

<?xml version="1.0" encoding="utf-8"?><alpha xmlns:android="http://schemas.android.com/apk/res/android"    android:duration="1000"     android:fromAlpha="0.0"    android:toAlpha="1.0">   </alpha>

  17.activity_animal.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="@drawable/bg_animal"    android:orientation="vertical" >    <ListView         android:id="@+id/lvAnimalList"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layoutAnimation="@anim/anim_layout_listview"        android:listSelector="#00000000"        ></ListView>    </LinearLayout>

  18.activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context=".MainActivity" >    <TabHost        android:id="@android:id/tabhost"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_alignParentLeft="true"        android:layout_alignParentTop="true">        <LinearLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:orientation="vertical">            <TabWidget                android:id="@android:id/tabs"                android:layout_width="match_parent"                android:layout_height="wrap_content" >            </TabWidget>            <FrameLayout                 android:id="@android:id/tabcontent"                android:layout_width="match_parent"                android:layout_height="match_parent">                <LinearLayout                     android:id="@+id/tab1"                    android:orientation="vertical"                    android:layout_width="match_parent"                    android:layout_height="match_parent">                </LinearLayout>                <LinearLayout                     android:id="@+id/tab2"                    android:orientation="vertical"                    android:layout_width="match_parent"                    android:layout_height="match_parent">                </LinearLayout>                <LinearLayout                     android:id="@+id/tab3"                    android:orientation="vertical"                    android:layout_width="match_parent"                    android:layout_height="match_parent">                </LinearLayout>            </FrameLayout>        </LinearLayout>          </TabHost></RelativeLayout>

  19.activity_study.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="@drawable/bg_ling"    tools:context=".StudyActivity" >    <ListView        android:id="@+id/lvCategories"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:listSelector="#00000000"        android:layoutAnimation="@anim/anim_layout_listview"        android:layout_alignParentLeft="true"        android:layout_alignParentTop="true" >    </ListView></RelativeLayout>

  20.animal_item.xml

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"     android:padding="10dp">    <TextView         android:id="@+id/tvName"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignParentLeft="true"        android:layout_alignParentTop="true"        android:gravity="center"        android:text="助人为乐"        android:textAppearance="?android:attr/textAppearanceLarge"/>    <ImageButton        android:id="@+id/btnSave"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:background="@null"        android:layout_alignParentRight="true"        android:layout_alignTop="@+id/tvName"        android:src="@drawable/btnsave"/>   </RelativeLayout>

  21.category_item.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:padding="10dp"    android:orientation="horizontal" >    <ImageView         android:id="@+id/category_image"        android:layout_width="wrap_content"        android:layout_height="wrap_content"           android:src="@drawable/category_animal"/>    <TextView         android:id="@+id/category_name"        android:layout_width="wrap_content"        android:text="@string/animal"        android:layout_height="wrap_content"        android:gravity="center"        android:textAppearance="?android:attr/textAppearanceLarge"/></LinearLayout>

  22.dialog_info.xml

<?xml version="1.0" encoding="utf-8"?><ScrollView xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent" >    <LinearLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:background="@drawable/bg_ling"        android:orientation="vertical" >        <TextView            android:id="@+id/tvIdiomInfo"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:text="Medium Text"            android:textAppearance="?android:attr/textAppearanceMedium" />    </LinearLayout></ScrollView>

  23.strings.xml

<?xml version="1.0" encoding="utf-8"?><resources>    <string name="app_name">happyidiom</string>    <string name="action_settings">Settings</string>    <string name="title_study">学习</string>    <string name="title_search">搜搜</string>    <string name="title_game">游戏</string>    <string name="title_save">收藏</string>    <string name="title_help">帮助</string>    <string name="animal">动物类</string>    <string-array name="category">        <item>动物类</item>        <item>自然类</item>        <item>人物类</item>        <item>季节类</item>        <item>数字类</item>        <item>寓言类</item>        <item>其它类</item>    </string-array>    <string name="title_activity_study_animal">StudyAnimalActivity</string>    <string name="hello_world">Hello world!</string>    <string name="title_activity_study">StudyActivity</string>    <string name="title_activity_main">MainActivity</string></resources>

  24.AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="cn.edu.bztc.happyidiom"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="14"        android:targetSdkVersion="17" />    <application        android:allowBackup="true"        android:icon="@drawable/logo"        android:label="@string/app_name"        android:theme="@android:style/Theme.NoTitleBar" >        <uses-library android:name="android.test.runner" />         <activity            android:name="cn.edu.bztc.happyidiom.activity.MainActivity"            android:label="@string/title_activity_main">            <intent-filter>                            <action android:name="android.intent.action.MAIN" />                               <category android:name="android.intent.category.LAUNCHER" />             </intent-filter>        </activity>         <activity            android:name="cn.edu.bztc.happyidiom.activity.StudyActivity"            android:label="@string/title_activity_study" >                    </activity>        <activity            android:name="cn.edu.bztc.happyidiom.activity.StudyAnimalActivity"            android:label="@string/title_activity_study_animal" >        </activity>              </application>    <instrumentation        android:name="android.test.InstrumentationTestRunner"        android:targetPackage="cn.edu.bztc.happyidiom" >    </instrumentation></manifest>