我正在开发一个简单的助理应用程序,通过硬编码回复它。它有一个按钮,点击后会显示语音识别器的意图。但它现在没有出现在按钮点击上。我在这里附上了我的代码,请帮我找出导致错误的错误。
还请帮助我如何在不点击按钮的情况下调用语音识别器,只需在'Ok google'中说出一些指定的单词。
MainActivity.java
package com.example.rv00485448.neha1;
import android.content.Intent;
import android.os.Build;
import android.speech.RecognizerIntent;
import android.speech.SpeechRecognizer;
import android.speech.tts.TextToSpeech;
import android.speech.tts.UtteranceProgressListener;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import java.util.ArrayList;
import java.util.Locale;
import static android.speech.RecognizerIntent.ACTION_RECOGNIZE_SPEECH;
public class MainActivity extends Activity{
private TextToSpeech tts;
private ArrayList<String> questions;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(R.id.microphoneButton).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
listen();
}
});
loadQuestions();
tts = new TextToSpeech(MainActivity.this, new TextToSpeech.OnInitListener() {
@Override
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
int result = tts.setLanguage(Locale.US);
if (result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED) {
Log.e("TTS", "This Language is not supported");
}
speak("Hello");
} else {
Log.e("TTS", "Initilization Failed!");
}
}
});
}
private void loadQuestions(){
questions = new ArrayList<>();
questions.clear();
questions.add("hi how are you");
questions.add("I am good. how are you feeling today?");
questions.add("Do you have vitals readings?");
questions.add("you seem to have fever. Do you want me to book an appointment with doctor nandan ");
questions.add("I have booked an appointment with doctor nandan at 5 PM");
questions.add("Thank you too");
}
private void listen(){
Intent i = new Intent(ACTION_RECOGNIZE_SPEECH);
i.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
i.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.getDefault());
i.putExtra(RecognizerIntent.EXTRA_PROMPT, "Say something");
// speak("I am listening to you");
// try {
// startActivityForResult(i, 100);
// } catch (ActivityNotFoundException a) {
// Toast.makeText(MainActivity.this, "Your device doesn't support Speech Recognition", Toast.LENGTH_SHORT).show();
// }
}
@Override
public void onDestroy() {
if (tts != null) {
tts.stop();
tts.shutdown();
}
super.onDestroy();
}
private void speak(String text){
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
tts.speak(text, TextToSpeech.QUEUE_FLUSH, null, null);
}else{
tts.speak(text, TextToSpeech.QUEUE_FLUSH, null);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(requestCode == 100){
if (resultCode == RESULT_OK && null != data) {
ArrayList<String> res = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
String inSpeech = res.get(0);
recognition(inSpeech);
}
}
}
private void recognition(String text){
switch (text)
{
case "hello":
{
speak(questions.get(0));
break;
}
case "fine how about you":
{
speak(questions.get(1));
break;
}
case "feeling dizzy":
{
speak(questions.get(2));
break;
}
case "yeah":
{
speak(questions.get(3));
break;
}
case "yes":
{
speak(questions.get(4));
break;
}
case "thank you":
{
speak(questions.get(5));
break;
}
}
}
}
答案 0 :(得分:1)
你没有触发那项活动。
在listen方法中使用startActivityForResult(i)。
答案 1 :(得分:0)
您需要在清单文件中添加INTERNET权限