Creating Voice Recognition Test APP - Problem

1package android.testapp;
2
3import android.testapp.R;
4
5import android.app.Activity;
6import android.content.Intent;
7import android.content.pm.PackageManager;
8import android.content.pm.ResolveInfo;
9import android.os.Bundle;
10import android.speech.RecognizerIntent;
11import android.view.View;
12import android.view.View.OnClickListener;
13import android.widget.ArrayAdapter;
14import android.widget.Button;
15import android.widget.ListView;
16
17import java.util.ArrayList;
18import java.util.List;
19
20/**
21 * Sample code that invokes the speech recognition intent API.
22 */
23public class TestApp extends Activity implements OnClickListener {
24
25 private static final int VOICE_RECOGNITION_REQUEST_CODE = 1234;
26
27 private ListView mList;
28
29 /**
30 * Called with the activity is first created.
31 */
32 @Override
33 public void onCreate(Bundle savedInstanceState) {
34 super.onCreate(savedInstanceState);
35
36 // Inflate our UI from its XML layout description.
37 setContentView(R.layout.main);
38
39 // Get display items for later interaction
40 Button speakButton = (Button) findViewById(R.id.btn_speak);
41
42 mList = (ListView) findViewById(R.id.list);
43
44 // Check to see if a recognition activity is present
45 PackageManager pm = getPackageManager();
46 List<ResolveInfo> activities = pm.queryIntentActivities(
47 new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
48 if (activities.size() != 0) {
49 speakButton.setOnClickListener(this);
50 } else {
51 speakButton.setEnabled(false);
52 speakButton.setText("Recognizer not present");
53 }
54 }
55
56 /**
57 * Handle the click on the start recognition button.
58 */
59 public void onClick(View v) {
60 if (v.getId() == R.id.btn_speak) {
61 startVoiceRecognitionActivity();
62 }
63 }
64
65 /**
66 * Fire an intent to start the speech recognition activity.
67 */
68 private void startVoiceRecognitionActivity() {
69 Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
70 intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
71 RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
72 intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Speech recognition demo");
73 startActivityForResult(intent, VOICE_RECOGNITION_REQUEST_CODE);
74 }
75
76 /**
77 * Handle the results from the recognition activity.
78 */
79 @Override
80 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
81 if (requestCode == VOICE_RECOGNITION_REQUEST_CODE && resultCode == RESULT_OK) {
82 // Fill the list view with the strings the recognizer thought it could have heard
83 ArrayList<String> matches = data.getStringArrayListExtra(
84 RecognizerIntent.EXTRA_RESULTS);
85 mList.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,
86 matches));
87 }
88
89 super.onActivityResult(requestCode, resultCode, data);
90 }
91}

1<?xml version="1.0" encoding="utf-8"?>
2
3<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
4 android:layout_width="fill_parent"
5 android:layout_height="fill_parent"
6 android:orient ation="vertical">
7
8 <TextView
9 android:layout_width="fill_parent"
10 android:layout_height="wrap_content"
11 android:paddingBottom="4dip"
12 android:text="@string/voice_recognition_prompt" />
13
14 <Button android:id="@+id/btn_speak"
15 android:layout_width="fill_parent"
16 android:layout_height="wrap_content"
17 android:text="@string/speak_button" />
18
19 <ListView android:id="@+id/list"
20 android:layout_width="fill_parent"
21 android:layout_height="0dip"
22 android:layout_weight="1" />
23
24 </LinearLayout>

1[...]
2
3 Button speakButton = (Button) findViewById(R.id.btn_speak);
4 mList = (ListView) findViewById(R.id.list);
5
6[...]

1package com.example.android.apis.app;
2
3import com.example.android.apis.R;
4
5import android.app.Activity;
6import android.content.Intent;
7import android.content.pm.PackageManager;
8import android.content.pm.ResolveInfo;
9import android.os.Bundle;
10import android.speech.RecognizerIntent;
11import android.view.View;
12import android.view.View.OnClickListener;
13import android.widget.ArrayAdapter;
14import android.widget.Button;
15import android.widget.ListView;
16
17import java.util.ArrayList;
18import java.util.List;
19
20/**
21 * Sample code that invokes the speech recognition intent API.
22 */
23public class VoiceRecognition extends Activity implements OnClickListener {
24
25 private static final int VOICE_RECOGNITION_REQUEST_CODE = 1234;
26
27 private ListView mList;
28
29 /**
30 * Called with the activity is first created.
31 */
32 @Override
33 public void onCreate(Bundle savedInstanceState) {
34 super.onCreate(savedInstanceState);
35
36 // Inflate our UI from its XML layout description.
37 setContentView(R.layout.voice_recognition);
38
39 // Get display items for later interaction
40 Button speakButton = (Button) findViewById(R.id.btn_speak);
41
42 mList = (ListView) findViewById(R.id.list);
43
44 // Check to see if a recognition activity is present
45 PackageManager pm = getPackageManager();
46 List<ResolveInfo> activities = pm.queryIntentActivities(
47 new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
48 if (activities.size() != 0) {
49 speakButton.setOnClickListener(this);
50 } else {
51 speakButton.setEnabled(false);
52 speakButton.setText("Recognizer not present");
53 }
54 }
55
56 /**
57 * Handle the click on the start recognition button.
58 */
59 public void onClick(View v) {
60 if (v.getId() == R.id.btn_speak) {
61 startVoiceRecognitionActivity();
62 }
63 }
64
65 /**
66 * Fire an intent to start the speech recognition activity.
67 */
68 private void startVoiceRecognitionActivity() {
69 Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
70 intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
71 RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
72 intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Speech recognition demo");
73 startActivityForResult(intent, VOICE_RECOGNITION_REQUEST_CODE);
74 }
75
76 /**
77 * Handle the results from the recognition activity.
78 */
79 @Override
80 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
81 if (requestCode == VOICE_RECOGNITION_REQUEST_CODE && resultCode == RESULT_OK) {
82 // Fill the list view with the strings the recognizer thought it could have heard
83 ArrayList<String> matches = data.getStringArrayListExtra(
84 RecognizerIntent.EXTRA_RESULTS);
85 mList.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,
86 matches));
87 }
88
89 super.onActivityResult(requestCode, resultCode, data);
90 }
91}

1<?xml version="1.0" encoding="utf-8"?>
2<resources>
3 <string name="voice_recognition_prompt"></string>
4 <string name="speak_button"></string>
5</resources>