Android能发音的生词本

---前台界面部分

</EditText>
<EditText
android:id="@+id/jieshi"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/_jieshi"
android:layout_marginTop="25sp"
android:ems="10" >
</EditText>

<Button
android:id="@+id/insert"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="25sp"
android:text="@string/_insert"
android:textSize="20sp"
android:textColor="@android:color/holo_blue_bright"
android:background="@android:color/holo_green_light"
/>

<EditText
android:id="@+id/sh"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/_sh"
android:layout_marginTop="5sp"
android:ems="10" >
</EditText>
<Button
android:id="@+id/search"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="25sp"
android:text="@string/_search"
android:textSize="20sp"
android:textColor="@android:color/holo_green_light"
android:background="@android:color/holo_blue_bright"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/_yw"
android:gravity="center"
android:textColor="@android:color/holo_orange_dark"
android:textSize="25sp"
/>
<TextView
android:id="@+id/yw"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text=""
android:textSize="25sp"
android:gravity="center"
android:textColor="@android:color/holo_red_light"
android:layout_marginTop="5sp"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/_dcys"
android:gravity="center"
android:textColor="@android:color/holo_purple"
android:textSize="25sp"
/>
<TextView
android:id="@+id/tv"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5sp"
android:gravity="center"
android:textColor="@android:color/holo_red_light"
android:textSize="25sp"
/>
</LinearLayout>

-----MyDBHelper

package com.example.note;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.database.sqlite.SQLiteOpenHelper;

public class MyDBHelper extends SQLiteOpenHelper {

public MyDBHelper(Context context, String name, CursorFactory factory,
int version) {
super(context, name, factory, version);
}

@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("create table word_scb(_id integer primary key autoincrement," +
"word,detail)");
}

@Override
public void onUpgrade(SQLiteDatabase db, int arg1, int arg2) {

}

----MainActivity

package com.example.note;

import java.util.Locale;
import android.app.Activity;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
private TextView dcys;
private TextView ywdc;
private MyDBHelper myDBHelper;
private Button insert;//插入
private Button search;//查找
private EditText et1;//单词
private EditText et2;//解释
private EditText cz;
private TextToSpeech tts;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
myDBHelper=new MyDBHelper(MainActivity.this,"danci.db",null,3);
SQLiteDatabase db=myDBHelper.getWritableDatabase();
//db.execSQL("insert into word_scb (word,detail) values('vds','hh')");
et1=(EditText)findViewById(R.id.word);
et2=(EditText)findViewById(R.id.jieshi);
insert=(Button)findViewById(R.id.insert);
search=(Button)findViewById(R.id.search);
dcys=(TextView)findViewById(R.id.tv);
ywdc=(TextView)findViewById(R.id.yw);
cz=(EditText)findViewById(R.id.sh);
//单词的朗读
tts=new TextToSpeech(MainActivity.this,new OnInitListener() {

@Override
public void onInit(int status) {
if(tts.SUCCESS==status){
int result=tts.setLanguage(Locale.US);
//int lan=tts.setLanguage(Locale.CHINESE);
if(result!=TextToSpeech.LANG_COUNTRY_AVAILABLE&&result!=TextToSpeech.LANG_AVAILABLE){
Toast.makeText(MainActivity.this,"暂时不支持该语种朗读！",Toast.LENGTH_LONG).show();
}
}

}
});
//添加单词与解释
insert.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
SQLiteDatabase db=myDBHelper.getWritableDatabase();
ContentValues cValues=new ContentValues();
String str1=et1.getText().toString().trim();
String str2=et2.getText().toString().trim();
if(str1.length()==0|str2.length()==0){
Toast.makeText(MainActivity.this,"请添加生词",Toast.LENGTH_SHORT).show();
}else{
cValues.put("word",str1);
cValues.put("detail",str2);
db.insert("word_scb",null, cValues);
Toast.makeText(MainActivity.this,"添加生词成功",Toast.LENGTH_LONG).show();
}
cValues.clear();
db.close();

}
});

//查找单词与解释
search.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View arg0) {
String key=cz.getText().toString().trim();

SQLiteDatabase db=myDBHelper.getReadableDatabase();
tts.speak(cz.getText().toString(), TextToSpeech.QUEUE_ADD, null);
if(key.length()==0){
Toast.makeText(MainActivity.this,"请输入单词或者该单词意思",Toast.LENGTH_LONG).show();
}else{
Cursor cursor=db.rawQuery("select * from word_scb where word like '"+key+"' or detail like '"+key+"'",null);

while(cursor.moveToNext()){

String ws=cursor.getString(cursor.getColumnIndex("word"));
String del=cursor.getString(cursor.getColumnIndex("detail"));

dcys.setText(del);

ywdc.setText(ws);

}

db.close();
}
}
});
}
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
if(tts !=null){
tts.stop();
}
}

}

--非常简单在这里就不一一解释了，谢谢大家关注

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