到目前为止的应用程序的简要说明：
用户看到一个包含单词的TextView 。用户将单击将触发 Speech To Text API的ImageButton并说出TextView上给出的单词。如果 Speech To Text 中的文本与TextView中的文本匹配，则TextView会将文本更改为“正确！” 等等
问题是比较字符串文本值。TextView有“你好” 。当我说“Hello”时，SpeechToText api 返回“Hello”，但文本值被认为是不同的。
activity_main.xml
<LinearLayout 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: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=".Main"
android:orientation="vertical" >
<ImageButton
android:id="@+id/btnSpeak"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
android:src="@android:drawable/ic_btn_speak_now" />
<TextView
android:id="@+id/inputText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
android:textAppearance="?android:attr/textAppearanceLarge"
android:layout_gravity="center"/>
<TextView
android:id="@+id/givenText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/text"
android:layout_gravity="center" />
</LinearLayout>
主.Java
package com.example.speechtotext;
import java.util.ArrayList;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.os.Bundle;
import android.speech.RecognizerIntent;
import android.view.Menu;
import android.view.View;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;
public class Main extends Activity {
protected static final int RESULT_SPEECH = 1;
private ImageButton btnSpeak;
private TextView inputText;
private TextView givenText;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
inputText = (TextView)findViewById(R.id.inputText);
givenText = (TextView)findViewById(R.id.givenText);
btnSpeak = (ImageButton)findViewById(R.id.btnSpeak);
btnSpeak.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, "en-US");
try{
startActivityForResult(intent, RESULT_SPEECH);
inputText.setText("");
}catch(ActivityNotFoundException a) {
Toast t = Toast.makeText(getApplicationContext(),
"your device does not support Speech to Text!",Toast.LENGTH_SHORT);
t.show();
}
}
});
}
@Override
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;
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case RESULT_SPEECH: {
if (resultCode == RESULT_OK && null != data) {
ArrayList<String> text = data
.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
inputText.setText(text.get(0));
if(givenText.getText().toString().equals(inputText.getText().toString())){
givenText.setText("Correct!");
}
else{
givenText.setText("Incorrect!");
}
}
break;
}
}
}
}
有任何想法吗？