Do not turn off WIFI or BT while in use.

Added if blocks to check if WIFI or BT is in used before changing their
state. 

Also added a new receiver to monitor the number of connected BT devices

Signed-off-by: Ricky Barrette <rickbarrette@gmail.com>

LocationRinger/AndroidManifest.xml

@@ -2,8 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.RickBarrette.android.LocationRinger"
     android:installLocation="internalOnly"
-    android:versionCode="209"
-    android:versionName="1.0" >
+    android:versionCode="219"
+    android:versionName="2a1fd40" >
 
     <uses-sdk android:minSdkVersion="8" />
 
@@ -35,6 +35,7 @@
 
     <!-- licensing library -->
     <uses-permission android:name="com.android.vending.CHECK_LICENSE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
 
     <application
         android:allowBackup="true"
@@ -133,6 +134,12 @@
         </activity>
         <activity android:name="LegalActivity" >
         </activity>
+        <receiver android:name=".receivers.BluetoothReceiver">
+            <intent-filter>
+                <action android:name="android.bluetooth.device.action.ACL_CONNECTED"/>
+                <action android:name="android.bluetooth.device.action.ACL_DISCONNECTED"/>
+            </intent-filter>
+        </receiver>
     </application>
 
 </manifest>

LocationRinger/src/org/RickBarrette/android/LocationRinger/receivers/BluetoothReceiver.java

@@ -0,0 +1,57 @@
+/**
+ * BluetoothReceiver.java
+ * @date Jan 4, 2013
+ * @author ricky barrette
+ * 
+ * Copyright 2012 Richard Barrette 
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License. 
+ * You may obtain a copy of the License at 
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0 
+ * 
+ * Unless required by applicable law or agreed to in writing, software 
+ * distributed under the License is distributed on an "AS IS" BASIS, 
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+ * See the License for the specific language governing permissions and 
+ * limitations under the License
+ */
+package org.RickBarrette.android.LocationRinger.receivers;
+
+import android.bluetooth.BluetoothDevice;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+
+/**
+ * This class will be used to maintain a log of connected devices
+ * @author ricky barrette
+ */
+public class BluetoothReceiver extends BroadcastReceiver {
+	
+	public static final String TAG = "BluetoothReceiver";
+	public static final String NUMBER_CONNECTED = "number_connected";
+
+	@Override
+    public void onReceive(Context context, Intent intent) {
+        String action = intent.getAction();
+        BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+
+        SharedPreferences sp = context.getSharedPreferences(TAG, Context.MODE_MULTI_PROCESS);
+        Editor editor = sp.edit();
+        int connected = sp.getInt(NUMBER_CONNECTED, 0);
+        
+        if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action))
+           connected++;
+
+        else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action))
+           connected--;
+        
+        editor.putInt(NUMBER_CONNECTED, connected);
+        editor.apply();
+    }
+
+}

LocationRinger/src/org/RickBarrette/android/LocationRinger/services/RingerProcessingService.java

@@ -11,6 +11,7 @@ import java.util.Map.Entry;
 import org.RickBarrette.android.LocationRinger.Constraints;
 import org.RickBarrette.android.LocationRinger.Log;
 import org.RickBarrette.android.LocationRinger.db.RingerDatabase;
+import org.RickBarrette.android.LocationRinger.receivers.BluetoothReceiver;
 import org.RickBarrette.android.LocationRinger.receivers.GetLocationWidget;
 import org.RickBarrette.android.LocationRinger.ui.SettingsActivity;
 
@@ -24,6 +25,8 @@ import android.database.Cursor;
 import android.location.Location;
 import android.media.AudioManager;
 import android.media.RingtoneManager;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
 import android.net.Uri;
 import android.net.wifi.WifiManager;
 import android.os.IBinder;
@@ -105,18 +108,30 @@ public class RingerProcessingService extends Service {
 				setStreamVolume(values.getAsInteger(RingerDatabase.KEY_ALARM_VOLUME), AudioManager.STREAM_ALARM);
 
 		/*
-		 * wifi & bluetooth
+		 * wifi
+		 * 
+		 * only change wifi state IF NOT connected
 		 */
-		if (values.containsKey(RingerDatabase.KEY_WIFI))
-			if (mWifiManager != null)
-				mWifiManager.setWifiEnabled(RingerDatabase.parseBoolean(values.getAsString(RingerDatabase.KEY_WIFI)));
+		ConnectivityManager connManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
+		NetworkInfo wifiNetInfo = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
 
-		if (values.containsKey(RingerDatabase.KEY_BT))
-			if (mBluetoothAdapter != null)
-				if (RingerDatabase.parseBoolean(values.getAsString(RingerDatabase.KEY_BT)))
-					mBluetoothAdapter.enable();
-				else
-					mBluetoothAdapter.disable();
+		if (! wifiNetInfo.isConnected())
+			if (values.containsKey(RingerDatabase.KEY_WIFI))
+				if (mWifiManager != null)
+					mWifiManager.setWifiEnabled(RingerDatabase.parseBoolean(values.getAsString(RingerDatabase.KEY_WIFI)));
+
+		/*
+		 * bluetooth
+		 * 
+		 * only updated bt state IF NOT connected
+		 */
+		if(getSharedPreferences(BluetoothReceiver.TAG, Context.MODE_MULTI_PROCESS).getInt(BluetoothReceiver.NUMBER_CONNECTED, 0) < 1)
+			if (values.containsKey(RingerDatabase.KEY_BT))
+				if (mBluetoothAdapter != null)
+					if (RingerDatabase.parseBoolean(values.getAsString(RingerDatabase.KEY_BT)))
+						mBluetoothAdapter.enable();
+					else
+						mBluetoothAdapter.disable();
 
 		/*
 		 * airplane mode