Added "Turn on the screen" item in the settings. Added additional checks

in the mechanism of switching the screen, just in case.

OsmAnd/res/values/strings.xml

@@ -9,6 +9,8 @@
          3. All your modified/created strings are in the top of the file (to make easier find what\'s translated).
     PLEASE: Have a look at http://code.google.com/p/osmand/wiki/UIConsistency, it may really improve your and our work  :-)  Thx - Hardy
     -->
+    <string name="wake_on_voice">Turn on the screen</string>
+    <string name="wake_on_voice_descr">Turn on the phone screen when approaching a turn</string>
     <string name="select_impassable_road">Select on map</string>
     <string name="impassable_road">Avoid roads&#8230;</string>
     <string name="rendering_attr_tramTrainRoutes_name">Tram and train</string>

OsmAnd/res/xml/navigation_settings.xml

@@ -28,5 +28,6 @@
 				android:title="@string/speed_limit_exceed"
 				android:summary="@string/speed_limit_exceed_message"/>
             <CheckBoxPreference android:title="@string/show_zoom_buttons_navigation" android:summary="@string/show_zoom_buttons_navigation_descr" android:key="show_zoom_buttons_navigation" />
+            <CheckBoxPreference android:title="@string/wake_on_voice" android:summary="@string/wake_on_voice_descr" android:key="wake_on_voice" />
         </PreferenceCategory>
 </PreferenceScreen>

OsmAnd/src/net/osmand/plus/activities/MapActivity.java

@@ -114,7 +114,8 @@ public class MapActivity extends AccessibleActivity implements
 	private GpxImportHelper gpxImportHelper;
 	private PowerManager.WakeLock wakeLock = null;
 	private KeyguardManager.KeyguardLock keyguardLock = null;
-	private ReleaseWakeLocksRunnable releaseWakeLocksRunnable = new ReleaseWakeLocksRunnable();	
+	private ReleaseWakeLocksRunnable releaseWakeLocksRunnable = new ReleaseWakeLocksRunnable();
+	private boolean active = false;
 	
 	private Notification getNotification() {
 		Intent notificationIndent = new Intent(this, getMyApplication().getAppCustomization().getMapActivity());
@@ -539,6 +540,7 @@ public class MapActivity extends AccessibleActivity implements
 	@Override
 	protected void onStart() {
 		super.onStart();
+		active = true;
 		if ((wakeLock == null) || (keyguardLock == null)) {
 			VoiceRouter voiceRouter = app.getRoutingHelper().getVoiceRouter();
 			voiceRouter.removeVoiceMessageListener(this);
@@ -565,10 +567,11 @@ public class MapActivity extends AccessibleActivity implements
 			progressDlg.dismiss();
 			progressDlg = null;
 		}
-		if (!isFinishing()) {
+		if (!isFinishing() && settings.WAKE_ON_VOICE.get()) {
 			VoiceRouter voiceRouter = app.getRoutingHelper().getVoiceRouter();
 			voiceRouter.addVoiceMessageListener(this);
 		}
+		active = false;
 		super.onStop();
 	}
 
@@ -788,17 +791,18 @@ public class MapActivity extends AccessibleActivity implements
 		if (settings.WAKE_ON_VOICE.get()) {
 			uiHandler.removeCallbacks(releaseWakeLocksRunnable);
 
-			if (wakeLock == null) {
+			if (!active && (wakeLock == null)) {
 				PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
 				wakeLock = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK
 						| PowerManager.ACQUIRE_CAUSES_WAKEUP,
 						"OsmAndOnVoiceWakeupTag");
 				wakeLock.acquire();
-			}
-			if (keyguardLock == null) {
-				KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
-				keyguardLock = km.newKeyguardLock("OsmAndKeyguardLock");
-				keyguardLock.disableKeyguard();
+				
+				if (keyguardLock == null) {
+					KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
+					keyguardLock = km.newKeyguardLock("OsmAndKeyguardLock");
+					keyguardLock.disableKeyguard();
+				}
 			}
 
 			uiHandler.postDelayed(releaseWakeLocksRunnable, WAKE_ON_VOICE_INTERVAL);

OsmAnd/src/net/osmand/plus/activities/SettingsNavigationActivity.java

@@ -92,6 +92,7 @@ public class SettingsNavigationActivity extends SettingsBaseActivity {
         registerListPreference(settings.KEEP_INFORMING, screen, keepInformingNames, keepInformingValues);
         
         registerBooleanPreference(settings.SHOW_ZOOM_BUTTONS_NAVIGATION, screen);
+        registerBooleanPreference(settings.WAKE_ON_VOICE, screen);
 
 		autoZoomMapPreference = (ListPreference) screen.findPreference(settings.AUTO_ZOOM_MAP.getId());
 		autoZoomMapPreference.setOnPreferenceChangeListener(this);

OsmAnd/src/net/osmand/plus/routing/VoiceRouter.java

@@ -871,10 +871,14 @@ public class VoiceRouter {
 					for (final VoiceMessageListener voiceMessageListener : voiceMessageListeners) {
 						Runnable closure = new Runnable() {
 							public void run() {
-								synchronized (voiceMessageListeners) {
-									if (voiceMessageListeners
-											.contains(voiceMessageListener)) {
-										voiceMessageListener.onVoiceMessage();
+								if (settings.WAKE_ON_VOICE.get()) {
+									synchronized (voiceMessageListeners) {
+										if (voiceMessageListeners
+												.contains(voiceMessageListener)
+												&& settings.WAKE_ON_VOICE.get()) {
+											voiceMessageListener
+													.onVoiceMessage();
+										}
 									}
 								}
 							}