From 17aba7ca71635b8f4f4a0d474b1e33cc27df6c6a Mon Sep 17 00:00:00 2001
From: Sebastian Kaspari <s.kaspari@googlemail.com>
Date: Sun, 29 Aug 2010 16:42:50 +0200
Subject: [PATCH] Added voice recognition to yaaic

---
 res/layout/conversations.xml                  | 23 +++++--
 .../yaaic/activity/ConversationActivity.java  | 28 +++++++++
 .../yaaic/listener/SpeechClickListener.java   | 63 +++++++++++++++++++
 3 files changed, 108 insertions(+), 6 deletions(-)
 create mode 100644 src/org/yaaic/listener/SpeechClickListener.java

diff --git a/res/layout/conversations.xml b/res/layout/conversations.xml
index cbcbc30..ce7bd1a 100644
--- a/res/layout/conversations.xml
+++ b/res/layout/conversations.xml
@@ -60,10 +60,21 @@ along with Yaaic.  If not, see <http://www.gnu.org/licenses/>.
 		android:id="@+id/dots"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content" />
-	<EditText
-	   android:id="@+id/input"
-	   android:layout_width="fill_parent"
-	   android:layout_height="wrap_content"
-	   android:singleLine="true"
-	   android:imeOptions="actionSend" />
+	<LinearLayout
+		android:layout_width="fill_parent"
+		android:layout_height="wrap_content"
+		android:orientation="horizontal">
+		<EditText
+			android:id="@+id/input"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_weight="1"
+			android:singleLine="true"
+            android:imeOptions="actionSend" />
+		<Button
+            android:id="@+id/speech"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:drawableLeft="@android:drawable/ic_btn_speak_now" />
+	</LinearLayout>
 </LinearLayout>
\ No newline at end of file
diff --git a/src/org/yaaic/activity/ConversationActivity.java b/src/org/yaaic/activity/ConversationActivity.java
index 5114aa4..edbf0fd 100644
--- a/src/org/yaaic/activity/ConversationActivity.java
+++ b/src/org/yaaic/activity/ConversationActivity.java
@@ -20,7 +20,9 @@ along with Yaaic.  If not, see <http://www.gnu.org/licenses/>.
 */
 package org.yaaic.activity;
 
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 
 import org.yaaic.R;
 import org.yaaic.Yaaic;
@@ -35,6 +37,7 @@ import org.yaaic.listener.ConversationClickListener;
 import org.yaaic.listener.ConversationListener;
 import org.yaaic.listener.ConversationSelectedListener;
 import org.yaaic.listener.ServerListener;
+import org.yaaic.listener.SpeechClickListener;
 import org.yaaic.model.Broadcast;
 import org.yaaic.model.Conversation;
 import org.yaaic.model.Extra;
@@ -54,8 +57,11 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.ServiceConnection;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.os.Bundle;
 import android.os.IBinder;
+import android.speech.RecognizerIntent;
 import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -63,6 +69,7 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnKeyListener;
 import android.view.Window;
+import android.widget.Button;
 import android.widget.EditText;
 import android.widget.Gallery;
 import android.widget.ImageView;
@@ -77,6 +84,8 @@ import android.widget.ViewSwitcher;
  */
 public class ConversationActivity extends Activity implements ServiceConnection, ServerListener, ConversationListener, OnKeyListener
 {
+	public static final int REQUEST_CODE_SPEECH = 99;
+
 	private static final int REQUEST_CODE_JOIN = 1;
 	private static final int REQUEST_CODE_USERS = 2;
 	private static final int REQUEST_CODE_USER = 3;
@@ -135,6 +144,16 @@ public class ConversationActivity extends Activity implements ServiceConnection,
 			deckAdapter.clearConversations();
 		}
 		
+		// Check if speech recognition is available
+		PackageManager pm = getPackageManager();
+		Button speechButton = (Button) findViewById(R.id.speech);
+		List<ResolveInfo> activities = pm.queryIntentActivities(new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
+		if (activities.size() != 0) {
+			((Button) findViewById(R.id.speech)).setOnClickListener(new SpeechClickListener(this));
+		} else {
+			speechButton.setVisibility(View.GONE);
+		}
+
 		// Optimization : cache field lookups 
 		Collection<Conversation> mConversations = server.getConversations();
 		
@@ -530,6 +549,15 @@ public class ConversationActivity extends Activity implements ServiceConnection,
 		}
 		
 		switch (requestCode) {
+			case REQUEST_CODE_SPEECH:
+				ArrayList<String> matches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
+				StringBuffer buffer = new StringBuffer();
+				for (String partial : matches) {
+					buffer.append(" ");
+					buffer.append(partial);
+				}
+				((EditText) findViewById(R.id.input)).setText(buffer.toString().trim());
+				break;
 			case REQUEST_CODE_JOIN:
 				joinChannelBuffer = data.getExtras().getString("channel");
 				break;
diff --git a/src/org/yaaic/listener/SpeechClickListener.java b/src/org/yaaic/listener/SpeechClickListener.java
new file mode 100644
index 0000000..d135d3d
--- /dev/null
+++ b/src/org/yaaic/listener/SpeechClickListener.java
@@ -0,0 +1,63 @@
+/*
+Yaaic - Yet Another Android IRC Client
+
+Copyright 2009-2010 Sebastian Kaspari
+
+This file is part of Yaaic.
+
+Yaaic is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Yaaic is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Yaaic.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package org.yaaic.listener;
+
+import org.yaaic.activity.ConversationActivity;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.speech.RecognizerIntent;
+import android.view.View;
+import android.view.View.OnClickListener;
+
+/**
+ * OnClickListener for the Speech Recognition Button
+ * 
+ * @author Sebastian Kaspari <sebastian@yaaic.org>
+ */
+public class SpeechClickListener implements OnClickListener
+{
+	private Activity activity;
+	
+	/**
+	 * Create a new listener for speech button
+	 * 
+	 * @param activity
+	 * @param input
+	 */
+	public SpeechClickListener(Activity activity)
+	{
+		this.activity = activity;
+	}
+	
+	/**
+	 * On Click on speech button
+	 */
+	public void onClick(View v)
+	{
+		Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
+		
+        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
+        intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "");
+        
+        activity.startActivityForResult(intent, ConversationActivity.REQUEST_CODE_SPEECH);
+	}
+}