调用有道词典查词
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有道词典
一、具体实现过程:如下:
2.activity_mian.xml:
3.DbHelper类:
4.界面实现效果:
二、Jason 数据格式:
一、具体实现过程:如下:
package com.example.happydictionary;import android.app.Activity;import android.os.Bundle;import android.text.TextUtils;import android.view.Menu;import android.view.View;import android.widget.EditText;import android.widget.TextView;import com.example.happydictionary.dao.WordDao;public class MainActivity extends Activity {private WordDao wordDao;private EditText etWord;private TextView tvResult;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initViews();}private void initViews() {etWord = (EditText) findViewById(R.id.etWord);tvResult = (TextView) findViewById(R.id.tvSearchResult);}@Overridepublic 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;}public void searchWord(View view) {String english = etWord.getText().toString();wordDao = new WordDao(this);if (TextUtils.isEmpty(english)) {tvResult.setText("请输入您想查询的单词");} else {String chinese = wordDao.getChinese(english);tvResult.setText(chinese);}}}
2.activity_mian.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/mainbg" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <EditText android:id="@+id/etWord" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:layout_marginTop="31dp" android:background="@android:drawable/edit_text" android:ems="10" android:hint="@string/searchHint" android:singleLine="true" android:textColor="#552006" android:textColorHint="#782f10" > <requestFocus /> </EditText> <Button android:id="@+id/btnSearch" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBaseline="@+id/etWord" android:layout_alignBottom="@+id/etWord" android:layout_marginLeft="16dp" android:layout_toRightOf="@+id/etWord" android:background="@drawable/ibsearchword" android:onClick="searchWord" android:text="@string/serachWord" /> <TextView android:id="@+id/tvSearchResult" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_alignLeft="@+id/etWord" android:layout_below="@+id/etWord" android:layout_marginTop="22dp" android:textSize="25sp" android:background="@drawable/bg_roundcorner" android:textAppearance="?android:attr/textAppearanceMedium" /></RelativeLayout>
3.DbHelper类:
import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import com.example.happydictionary.R;import com.example.happydictionary.R.raw;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 * * @author cabbage */public class DBHelper {private final int BUFFER_SIZE = 400000;public static final String DB_NAME = "idiom.db"; // 保存的数据库文件名public static final String PACKAGE_NAME = "com.example.happydictionary";// 应用的包名public static final String DB_PATH = "/data"+ Environment.getDataDirectory().getAbsolutePath() + "/"+ PACKAGE_NAME + "/databases";/*// SDCard 定义数据库的存放路径private final String DATABASE_PATH = android.os.Environment.getExternalStorageDirectory().getAbsolutePath() + "/dictionary";*/private Context context;public DBHelper(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,若不存在则执行导入,否则直接打开数据库InputStream is = context.getResources().openRawResource(R.raw.dictionary); // 欲导入的数据库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("Database", "File not found");e.printStackTrace();} catch (IOException e) {Log.e("Database", "IO exception");e.printStackTrace();}return null;}
4.界面实现效果:
二、Jason 数据格式:
http://fanyi.youdao.com/openapi.do?keyfrom=<keyfrom>&key=<key>&type=data&doctype=json&version=1.1&q=翻译 { "errorCode":0 "query":"翻译", "translation":["translation"], // 有道翻译 "basic":{ // 有道词典-基本词典 "phonetic":"fān yì", "explains":[ "translate", "interpret" ] }, "web":[ // 有道词典-网络释义 { "key":"翻译", "value":["translator","translation","translate","Interpreter"] }, {...} ] }
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