switch (requestCode) {

case RESULT_SPEECH: {

if (resultCode == RESULT_OK && data != null) {

ArrayList text = data

.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);

//这里集合列表中第一个值为匹配度最高的值

txtText.setText(text.get(0));

}

break;

}

}

}

完整代码

---

1.MainActivity.java代码

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import android.content.ActivityNotFoundException;

import android.content.Intent;

import android.speech.RecognizerIntent;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.EditText;

import android.widget.ImageButton;

import android.widget.TextView;

import android.widget.Toast;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

protected static final int RESULT_SPEECH = 1;

private ImageButton btnSpeak;

private EditText txtText;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

txtText = findViewById(R.id.txtText);

btnSpeak = (ImageButton) findViewById(R.id.btnSpeak);

btnSpeak.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

//开启语音识别功能

Intent intent = new Intent(

RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

//设置模式

intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,“en-US”);

//提示语音开始文字

intent.putExtra(RecognizerIntent.EXTRA_PROMPT,“Please start your voice”);

//开始进行语音识别，这里先检测手机(模拟器)是否支持语音识别并且捕获异常

try {

startActivityForResult(intent, RESULT_SPEECH);

txtText.setText("");

} catch (ActivityNotFoundException a) {

Toast t = Toast.makeText(getApplicationContext(),

“Opps! Your device doesn’t 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.menu_main, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

// Handle action bar item clicks here. The action bar will

// automatically handle clicks on the Home/Up button, so long

// as you specify a parent activity in AndroidManifest.xml.

int id = item.getItemId();

//noinspection SimplifiableIfStatement

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

@Override

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

super.onActivityResult(requestCode, resultCode, data);

switch (requestCode) {

case RESULT_SPEECH: {

if (resultCode == RESULT_OK && data != null) {

ArrayList text = data

.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);

//这里集合列表中第一个值为匹配度最高的值

txtText.setText(text.get(0));

}

break;

}

}

}

}

2.activity_main.xml代码

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

xml

ns:android=“http://schemas.android/apk/res/android”

xmlns:tools=“http://schemas.android/tools”

android:layout_width=“fill_parent”

android:layout_height=“wrap_content”

android:layout_toLeftOf="@+id/txtText"

android:gravity=“center”

android:orientation=“vertical”>

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l">

资源分享

• 最新大厂面试专题

这个题库内容是比较多的，除了一些流行的热门技术面试题，如Kotlin，数据库，Java虚拟机面试题，数组，Framework ，混合跨平台开发，等

[外链图片转存中…(img-zouSZo1z-1647756785329)]

• 对应导图的Android高级工程师进阶系统学习视频
  最近热门的，NDK，热修复，MVVM，源码等一系列系统学习视频都有！

[外链图片转存中…(img-t4ayzV6Q-1647756785330)]