■ JDK 7以上が必須

public class MainActivity extends Activity {



    private static final int REQUEST_CODE = 1;

    private ListView wordsList;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        Button speakButton = (Button) findViewById(R.id.speakButton);

        

        wordsList = (ListView) findViewById(R.id.list);

 

        // 対応する音声認識のサービスがない場合はボタンを無効に

        PackageManager pm = getPackageManager();

        List activities = pm.queryIntentActivities(

                new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);

        if (activities.size() == 0) {

            speakButton.setEnabled(false);

            speakButton.setText("Recognizer not present");

        }

    }



    public void speakButtonClicked(View v) {

        //音声認識へインテントを送信

        Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,

                RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);

        intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Voice recognition test...");

        startActivityForResult(intent, REQUEST_CODE);

    }

 

    /**

     * 音声認識からの結果を受け取る

     */

    @Override

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

        if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {

            // 音声認識のエンジンからのいくつかの結果

            ArrayList results = data.getStringArrayListExtra(

                    RecognizerIntent.EXTRA_RESULTS);

            // 認識結果を表示

            wordsList.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,

                    results));

        }

        super.onActivityResult(requestCode, resultCode, data);

    }

}

<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:orientation="vertical" >

 

    <Button android:id="@+id/speakButton"

        android:layout_width="fill_parent"

        android:onClick="speakButtonClicked"

        android:layout_height="wrap_content"

        android:text="Speak!" />

 

    <ListView android:id="@+id/list"

        android:layout_width="fill_parent"

        android:layout_height="0dip"

        android:layout_weight="1" />



</LinearLayout>