Keep legacy compatibility with old speech recognizer

android-aac-enc/src/com/todoroo/aacenc/RecognizerApi.java

@@ -125,6 +125,7 @@ public class RecognizerApi implements RecognitionListener {
     }
     
     public void destroy() {
+    	sr.setRecognitionListener(null);
     	sr.destroy();
     }
     

astrid/src/com/todoroo/astrid/activity/EditPreferences.java

@@ -62,6 +62,7 @@ import com.todoroo.astrid.utility.Constants;
 import com.todoroo.astrid.utility.Flags;
 import com.todoroo.astrid.voice.VoiceInputAssistant;
 import com.todoroo.astrid.voice.VoiceOutputService;
+import com.todoroo.astrid.voice.VoiceRecognizer;
 import com.todoroo.astrid.welcome.tutorial.WelcomeWalkthrough;
 import com.todoroo.astrid.widget.TasksWidget;
 
@@ -503,7 +504,7 @@ public class EditPreferences extends TodorooPreferenceActivity {
             return;
 
         final Resources r = getResources();
-        if (!voiceInputAssistant.isVoiceInputAvailable()) {
+        if (!VoiceRecognizer.voiceInputAvailable(this)) {
             if (AndroidUtilities.getSdkVersion() > 6) {
                 DialogUtilities.okCancelDialog(this,
                         r.getString(R.string.EPr_voiceInputInstall_dlg),

astrid/src/com/todoroo/astrid/ui/QuickAddBar.java

@@ -24,7 +24,6 @@ import android.widget.TextView.OnEditorActionListener;
 import android.widget.Toast;
 
 import com.timsu.astrid.R;
-import com.todoroo.aacenc.RecognizerApi;
 import com.todoroo.aacenc.RecognizerApi.RecognizerApiListener;
 import com.todoroo.andlib.service.Autowired;
 import com.todoroo.andlib.service.ContextManager;
@@ -57,6 +56,7 @@ import com.todoroo.astrid.service.StatisticsConstants;
 import com.todoroo.astrid.service.StatisticsService;
 import com.todoroo.astrid.service.TaskService;
 import com.todoroo.astrid.utility.Flags;
+import com.todoroo.astrid.voice.VoiceRecognizer;
 
 /**
  * Quick Add Bar lets you add tasks.
@@ -86,8 +86,10 @@ public class QuickAddBar extends LinearLayout implements RecognizerApiListener {
     @Autowired MetadataService metadataService;
     @Autowired ActFmPreferenceService actFmPreferenceService;
 
-    //private VoiceInputAssistant voiceInputAssistant;
-    private RecognizerApi recognizerApi;
+//    private VoiceInputAssistant voiceInputAssistant;
+//    private RecognizerApi recognizerApi;
+
+    private VoiceRecognizer voiceRecognizer;
 
     private Activity activity;
     private TaskListFragment fragment;
@@ -156,20 +158,11 @@ public class QuickAddBar extends LinearLayout implements RecognizerApiListener {
         // prepare and set listener for voice add button
         voiceAddButton = (ImageButton) findViewById(
                 R.id.voiceAddButton);
-        int prompt = R.string.voice_edit_title_prompt;
-        if (Preferences.getBoolean(R.string.p_voiceInputCreatesTask, false))
-            prompt = R.string.voice_create_prompt;
-//        voiceInputAssistant = new VoiceInputAssistant(fragment,
-//                voiceAddButton, quickAddBox);
-//        voiceInputAssistant.configureMicrophoneButton(prompt);
-        findViewById(R.id.voiceAddButton).setOnClickListener(new OnClickListener() {
+
+        voiceAddButton.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View v) {
-                if (currentVoiceFile == null)
-                    currentVoiceFile = Long.toString(DateUtilities.now());
-
-                recognizerApi.setTemporaryFile(currentVoiceFile);
-                recognizerApi.start();
+                startVoiceRecognition();
             }
         });
 
@@ -189,7 +182,7 @@ public class QuickAddBar extends LinearLayout implements RecognizerApiListener {
 
         if (addOnService.hasPowerPack()
                 && Preferences.getBoolean(R.string.p_voiceInputEnabled, true)
-                /*&& voiceInputAssistant.isVoiceInputAvailable()*/) {
+                && VoiceRecognizer.voiceInputAvailable(activity)) {
             voiceAddButton.setVisibility(View.VISIBLE);
         } else {
             voiceAddButton.setVisibility(View.GONE);
@@ -348,7 +341,7 @@ public class QuickAddBar extends LinearLayout implements RecognizerApiListener {
                         .append("_audio.mp4");
                 String filePath = filePathBuilder.toString();
                 System.err.println("Saving to " + filePath);
-                recognizerApi.convert(filePath);
+                voiceRecognizer.convert(filePath);
                 currentVoiceFile = null;
 
                 Metadata fileMetadata = FileMetadata.createNewFileMetadata(task.getId(), filePath, FileMetadata.FILE_TYPE_AUDIO);
@@ -449,17 +442,19 @@ public class QuickAddBar extends LinearLayout implements RecognizerApiListener {
         return false;
     }
 
-    public void setupRecognizerApi() {
-        if (recognizerApi != null)
-            recognizerApi.destroy();
+    public void startVoiceRecognition() {
+        if (VoiceRecognizer.speechRecordingAvailable(activity) && currentVoiceFile == null) {
+            currentVoiceFile = Long.toString(DateUtilities.now());
+        }
+        voiceRecognizer.startVoiceRecognition(activity, currentVoiceFile);
+    }
 
-        recognizerApi = new RecognizerApi(activity);
-        recognizerApi.setListener(this);
+    public void setupRecognizerApi() {
+        voiceRecognizer = VoiceRecognizer.instantiateVoiceRecognizer(activity, this, fragment, voiceAddButton, quickAddBox);
     }
 
     public void destroyRecognizerApi() {
-        recognizerApi.destroy();
-        recognizerApi = null;
+        voiceRecognizer.destroyRecognizerApi();
     }
 
     @Override
@@ -469,7 +464,7 @@ public class QuickAddBar extends LinearLayout implements RecognizerApiListener {
 
     @Override
     public void onSpeechError(int error) {
-        recognizerApi.cancel();
+        voiceRecognizer.cancel();
 
         int errorStr = 0;
         switch(error) {

astrid/src/com/todoroo/astrid/voice/VoiceInputAssistant.java

@@ -2,15 +2,12 @@ package com.todoroo.astrid.voice;
 
 import java.security.InvalidParameterException;
 import java.util.ArrayList;
-import java.util.List;
 
 import junit.framework.Assert;
 import android.app.Activity;
 import android.content.ActivityNotFoundException;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
 import android.speech.RecognizerIntent;
 import android.support.v4.app.Fragment;
 import android.util.Log;
@@ -270,29 +267,8 @@ public class VoiceInputAssistant {
         return null;
     }
 
-    /**
-     * Call this to see if your phone supports voiceinput in its current configuration.
-     * If this method returns false, it could also mean that Google Voicesearch is simply
-     * not installed.
-     * If this method returns true, internal use of it enables the registered microphone-button.
-     *
-     * @return whether this phone supports voiceinput
-     */
-    public boolean isVoiceInputAvailable() {
-        // Check to see if a recognition activity is present
-        PackageManager pm = null;
-        if (fragment == null) {
-            pm = ContextManager.getContext().getPackageManager();
-        } else {
-            pm = fragment.getActivity().getPackageManager();
-        }
-        List<ResolveInfo> activities = pm.queryIntentActivities(
-                new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
-        return (activities.size() != 0);
-    }
-
     public void configureMicrophoneButton(final int prompt) {
-        if (Preferences.getBoolean(R.string.p_voiceInputEnabled, true) && isVoiceInputAvailable()) {
+        if (Preferences.getBoolean(R.string.p_voiceInputEnabled, true) && VoiceRecognizer.voiceInputAvailable(ContextManager.getContext())) {
             voiceButton.setVisibility(View.VISIBLE);
             voiceButton.setOnClickListener(new OnClickListener() {
                 public void onClick(View v) {

astrid/src/com/todoroo/astrid/voice/VoiceRecognizer.java

@@ -0,0 +1,100 @@
+package com.todoroo.astrid.voice;
+
+import java.util.List;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.speech.RecognizerIntent;
+import android.speech.SpeechRecognizer;
+import android.support.v4.app.Fragment;
+import android.widget.EditText;
+import android.widget.ImageButton;
+
+import com.timsu.astrid.R;
+import com.todoroo.aacenc.RecognizerApi;
+import com.todoroo.aacenc.RecognizerApi.RecognizerApiListener;
+import com.todoroo.andlib.utility.AndroidUtilities;
+import com.todoroo.andlib.utility.Preferences;
+
+public class VoiceRecognizer {
+
+    protected RecognizerApi recognizerApi;
+    protected VoiceInputAssistant voiceInputAssistant;
+
+    public static boolean speechRecordingAvailable(Context context) {
+        return AndroidUtilities.getSdkVersion() >= 8 && SpeechRecognizer.isRecognitionAvailable(context);
+    }
+
+    /**
+     * Call this to see if your phone supports voiceinput in its current configuration.
+     * If this method returns false, it could also mean that Google Voicesearch is simply
+     * not installed.
+     * If this method returns true, internal use of it enables the registered microphone-button.
+     *
+     * @return whether this phone supports voiceinput
+     */
+    public static boolean voiceInputAvailable(Context context) {
+        PackageManager pm = context.getPackageManager();
+        List<ResolveInfo> activities = pm.queryIntentActivities(
+                new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
+        return (activities.size() != 0);
+    }
+
+    private VoiceRecognizer() {
+        //
+    }
+
+    private static VoiceRecognizer instance = null;
+
+    public static VoiceRecognizer instantiateVoiceRecognizer(Context context, RecognizerApiListener listener,
+            Fragment fragment, ImageButton voiceAddButton, EditText quickAddBox) {
+        synchronized(VoiceRecognizer.class) {
+            if (instance == null)
+                instance = new VoiceRecognizer();
+        }
+
+        if (speechRecordingAvailable(context)) {
+            if (instance.recognizerApi != null)
+                instance.recognizerApi.destroy();
+
+            instance.recognizerApi = new RecognizerApi(context);
+            instance.recognizerApi.setListener(listener);
+        } else {
+            instance.voiceInputAssistant = new VoiceInputAssistant(fragment,
+                    voiceAddButton, quickAddBox);
+        }
+        return instance;
+    }
+
+    public void startVoiceRecognition(Context context, String currentVoiceFile) {
+        if (speechRecordingAvailable(context)) {
+
+            recognizerApi.setTemporaryFile(currentVoiceFile);
+            recognizerApi.start();
+        } else {
+            int prompt = R.string.voice_edit_title_prompt;
+            if (Preferences.getBoolean(R.string.p_voiceInputCreatesTask, false))
+                prompt = R.string.voice_create_prompt;
+            voiceInputAssistant.startVoiceRecognitionActivity(prompt);
+        }
+    }
+
+    public void destroyRecognizerApi() {
+        if (instance != null && instance.recognizerApi != null) {
+            instance.recognizerApi.destroy();
+            instance.recognizerApi = null;
+        }
+    }
+
+    public void cancel() {
+        if (instance != null && instance.recognizerApi != null)
+            instance.recognizerApi.cancel();
+    }
+
+    public void convert(String filePath) {
+        if (instance != null && instance.recognizerApi != null)
+            instance.recognizerApi.convert(filePath);
+    }
+}