Android有道词典查询功能

有道词典

任务要求：完成查词等功能

 

因为需要申请API key，这里直接给出地址供使用：http://fanyi.youdao.com/openapi?path=data-mode

1、activity_main.xml基本格局（不做任何说明）

代码如下：

<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/wyf"
    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/ff"
        android:textAppearance="?android:attr/textAppearanceMedium" />

</RelativeLayout>

注意：这里使用WebView、TextView是一样的，布局格式可随意更换。

2、MainActivity

（1）代码如下：

public class MainActivity extends Activity {
    private WordDao wordDao;
    private EditText etWord;
    private TextView tvResult;

    @Override
    protected 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);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        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);
        }
    }

}

注意：自定义的java类较多不在一一列出，这里介绍其他MainActivity的写法。

（2）代码如下：

public class MainActivity extends Activity {
    private EditText etWord;
    private WebView tvResult;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        initViews();
    }

    private void initViews() {
        etWord = (EditText) findViewById(R.id.etWord);
        tvResult = (WebView) findViewById(R.id.tvSearchResult);
        tvResult.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    public void searchWord(View view) {
        String word = etWord.getText().toString();
        if (TextUtils.isEmpty(word)) {
            Toast.makeText(this, "内容不为空", Toast.LENGTH_LONG).show();
        } else {

            final String strUrl = "http://dict.youdao.com/m/search?keyfrom=dict.mindex&vendor=&q="
                    + word;
            wvResult.loadUrl(strUrl);
        }
    }
}

（3）代码如下：

public class MainActivity extends Activity {
 private Button btnSearch;
 private Button btnClear;
 private EditText editText;
 private WebView reswebView;
 private void SetView() {
  btnSearch = (Button) findViewById(R.id.btnsearch);
  btnClear = (Button) findViewById(R.id.btnclear);
  editText = (EditText) findViewById(R.id.editText);
  reswebView = (WebView) findViewById(R.id.reswebView);
  btnSearch.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View v) {
    String strUri = editText.getText().toString();
    strUri = strUri.trim();
    if (strUri.length() == 0) {
     Toast.makeText(getApplicationContext(), "请输入查询字符", 1).show();
    } else {
     String strURL = "http://dict.youdao.com/m/search?keyfrom=dict.mindex&q=" + strUri;
     reswebView.loadUrl(strURL);
    }
   }
  });
  btnClear.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View v) {
    editText.setText("");
   }
  });
 }
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  SetView();
 }
}

注意：最后不要忘了添加访问权限

代码如下：

<uses-permission android:name="android.permission.INTERNET" />

程序完成！

如图：

代码仅供参考！！