lockNow for turn on screen feature

OsmAnd/AndroidManifest.xml

@@ -10,7 +10,6 @@
 
 	<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 	<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
-	<uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
 	<uses-permission android:name="android.permission.INTERNET" />
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 	<uses-permission android:name="android.permission.WRITE_MEDIA_STORAGE" />
@@ -238,5 +237,19 @@
 
 		<receiver android:name="net.osmand.plus.OnNavigationServiceAlarmReceiver" />
 		<activity android:name="net.osmand.plus.activities.PrintDialogActivity" />
+		
+		<receiver
+			android:name="net.osmand.plus.DeviceAdminRecv"
+			android:label="@string/app_name"
+			android:permission="android.permission.BIND_DEVICE_ADMIN" >
+			<meta-data
+				android:name="android.app.device_admin"
+				android:resource="@xml/device_admin" />
+
+			<intent-filter>
+				<action android:name="android.app.action.DEVICE_ADMIN_ENABLED" />
+				<action android:name="android.app.action.DEVICE_ADMIN_DISABLED" />
+			</intent-filter>
+		</receiver>
 </application>
 </manifest> 

OsmAnd/res/values/strings.xml

@@ -9,8 +9,10 @@
          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="lock_screen_request_explanation">%1$s needs this permission to turn off the screen for the power saving feature.</string>
     <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="wake_on_voice_never">Never</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/device_admin.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<device-admin xmlns:android="http://schemas.android.com/apk/res/android" >
+    <uses-policies>
+        <force-lock />
+    </uses-policies>
+</device-admin>

OsmAnd/res/xml/navigation_settings.xml

@@ -28,6 +28,9 @@
 				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" />
+            <ListPreference
+                    android:key="wake_on_voice"
+                    android:title="@string/wake_on_voice"
+                    android:summary="@string/wake_on_voice_descr" />
         </PreferenceCategory>
 </PreferenceScreen>

OsmAnd/src/net/osmand/plus/DeviceAdminRecv.java

@@ -0,0 +1,24 @@
+package net.osmand.plus;
+
+import android.app.admin.DeviceAdminReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+public class DeviceAdminRecv extends DeviceAdminReceiver {
+	
+	private static final String TAG = "DeviceAdminReceiver";
+	
+    public void onEnabled(Context context, Intent intent) {
+    	Log.d(TAG, "permission disabled");
+    }
+    
+    public CharSequence onDisableRequested(Context context, Intent intent) {
+    	return null;
+    }
+    
+    public void onDisabled(Context context, Intent intent) {
+    	Log.d(TAG, "permission enabled");
+    }
+
+}

OsmAnd/src/net/osmand/plus/OsmandSettings.java

@@ -930,6 +930,15 @@ public class OsmandSettings {
         KEEP_INFORMING.setModeDefaultValue(ApplicationMode.PEDESTRIAN, 0);
 	}
 	
+	// screen power save
+	public final CommonPreference<Integer> WAKE_ON_VOICE = new IntPreference("wake_on_voice", 0).makeProfile();
+	{
+		// 0 means never
+		WAKE_ON_VOICE.setModeDefaultValue(ApplicationMode.CAR, 0);
+		WAKE_ON_VOICE.setModeDefaultValue(ApplicationMode.BICYCLE, 0);
+		WAKE_ON_VOICE.setModeDefaultValue(ApplicationMode.PEDESTRIAN, 0);
+	}
+
 	// this value string is synchronized with settings_pref.xml preference name
 	// try without AUTO_FOLLOW_ROUTE_NAV (see forum discussion 'Simplify our navigation preference menu')
 	//public final CommonPreference<Boolean> AUTO_FOLLOW_ROUTE_NAV = new BooleanPreference("auto_follow_route_navigation", true, false);
@@ -988,9 +997,6 @@ public class OsmandSettings {
 	
 	public CommonPreference<String> PREVIOUS_INSTALLED_VERSION = new StringPreference("previous_installed_version", "").makeGlobal();
 
-	public CommonPreference<Boolean> WAKE_ON_VOICE = new BooleanPreference("wake_on_voice", true).makeGlobal();
-
-
 	public ITileSource getMapTileSource(boolean warnWhenSelected) {
 		String tileName = MAP_TILE_SOURCES.get();
 		if (tileName != null) {

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

@@ -22,6 +22,7 @@ import net.osmand.map.MapTileDownloader.DownloadRequest;
 import net.osmand.map.MapTileDownloader.IMapDownloaderCallback;
 import net.osmand.plus.ApplicationMode;
 import net.osmand.plus.BusyIndicator;
+import net.osmand.plus.DeviceAdminRecv;
 import net.osmand.plus.OsmAndConstants;
 import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.OsmandPlugin;
@@ -49,11 +50,12 @@ import net.osmand.plus.views.corenative.NativeQtLibrary;
 import net.osmand.render.RenderingRulesStorage;
 import net.osmand.util.Algorithms;
 import android.app.Dialog;
-import android.app.KeyguardManager;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.ProgressDialog;
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -84,7 +86,6 @@ public class MapActivity extends AccessibleActivity implements
 	private static final int SHOW_POSITION_MSG_ID = OsmAndConstants.UI_HANDLER_MAP_VIEW + 1;
 	private static final int LONG_KEYPRESS_MSG_ID = OsmAndConstants.UI_HANDLER_MAP_VIEW + 2;
 	private static final int LONG_KEYPRESS_DELAY = 500;
-	private static final int WAKE_ON_VOICE_INTERVAL = 10000;		// 10 seconds
 	
 	private static MapViewTrackingUtilities mapViewTrackingUtilities;
 	
@@ -113,10 +114,12 @@ public class MapActivity extends AccessibleActivity implements
 	private FrameLayout lockView;
 	private GpxImportHelper gpxImportHelper;
 	private PowerManager.WakeLock wakeLock = null;
-	private KeyguardManager.KeyguardLock keyguardLock = null;
 	private ReleaseWakeLocksRunnable releaseWakeLocksRunnable = new ReleaseWakeLocksRunnable();
 	private boolean active = false;
 	
+	private DevicePolicyManager mDevicePolicyManager;
+	private ComponentName mDeviceAdmin;
+	
 	private Notification getNotification() {
 		Intent notificationIndent = new Intent(this, getMyApplication().getAppCustomization().getMapActivity());
 		notificationIndent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
@@ -222,6 +225,9 @@ public class MapActivity extends AccessibleActivity implements
 		gpxImportHelper = new GpxImportHelper(this, getMyApplication(), getMapView());
 
 		mapActions.prepareStartOptionsMenu();
+		
+		mDeviceAdmin = new ComponentName(getApplicationContext(), DeviceAdminRecv.class);
+		mDevicePolicyManager = (DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE);
 	}
 	
 	public void addLockView(FrameLayout lockView) {
@@ -292,7 +298,7 @@ public class MapActivity extends AccessibleActivity implements
 	@Override
 	protected void onResume() {
 		super.onResume();
-		if ((wakeLock != null) || (keyguardLock != null)) {
+		if (wakeLock != null) {
 			return;
 		}
 		cancelNotification();
@@ -541,7 +547,7 @@ public class MapActivity extends AccessibleActivity implements
 	protected void onStart() {
 		super.onStart();
 		active = true;
-		if ((wakeLock == null) || (keyguardLock == null)) {
+		if (wakeLock == null) {
 			VoiceRouter voiceRouter = app.getRoutingHelper().getVoiceRouter();
 			voiceRouter.removeVoiceMessageListener(this);
 		}
@@ -567,7 +573,7 @@ public class MapActivity extends AccessibleActivity implements
 			progressDlg.dismiss();
 			progressDlg = null;
 		}
-		if (!isFinishing() && settings.WAKE_ON_VOICE.get()) {
+		if (!isFinishing() && (settings.WAKE_ON_VOICE.get() > 0)) {
 			VoiceRouter voiceRouter = app.getRoutingHelper().getVoiceRouter();
 			voiceRouter.addVoiceMessageListener(this);
 		}
@@ -788,36 +794,45 @@ public class MapActivity extends AccessibleActivity implements
 
 	@Override
 	public void onVoiceMessage() {
-		if (settings.WAKE_ON_VOICE.get()) {
+		final Integer screenPowerSave = settings.WAKE_ON_VOICE.get();
+		if (screenPowerSave > 0) {
 			uiHandler.removeCallbacks(releaseWakeLocksRunnable);
 
-			if (!active && (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();
-				}
 			}
 
-			uiHandler.postDelayed(releaseWakeLocksRunnable, WAKE_ON_VOICE_INTERVAL);
+			uiHandler.postDelayed(releaseWakeLocksRunnable,
+					screenPowerSave * 1000L);
 		}
 	}
 	
 	private void releaseWakeLocks() {
-		if (keyguardLock != null) {
-			keyguardLock.reenableKeyguard();
-			keyguardLock = null;
-		}
 		if (wakeLock != null) {
 			wakeLock.release();
 			wakeLock = null;
 		}
+		
+		if (mDevicePolicyManager != null && mDeviceAdmin != null) {
+			final Integer screenPowerSave = settings.WAKE_ON_VOICE.get();
+			if (screenPowerSave > 0) {
+				if (mDevicePolicyManager.isAdminActive(mDeviceAdmin)) {
+					try {
+						mDevicePolicyManager.lockNow();
+					} catch (SecurityException e) {
+//						Log.d(TAG,
+//								"SecurityException: No device admin permission to lock the screen!");
+					}
+				} else {
+//					Log.d(TAG,
+//							"No device admin permission to lock the screen!");
+				}
+			}
+		}
 	}
 	
 	private class ReleaseWakeLocksRunnable implements Runnable {

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

@@ -6,18 +6,23 @@ import java.util.List;
 import java.util.Map;
 
 import net.osmand.plus.ApplicationMode;
+import net.osmand.plus.DeviceAdminRecv;
 import net.osmand.plus.OsmandSettings;
 import net.osmand.plus.OsmandSettings.AutoZoomMap;
 import net.osmand.plus.OsmandSettings.OsmandPreference;
 import net.osmand.plus.R;
+import net.osmand.plus.Version;
 import net.osmand.plus.routing.RouteProvider.RouteService;
 import net.osmand.router.GeneralRouter;
 import net.osmand.router.GeneralRouter.RoutingParameter;
 import net.osmand.router.GeneralRouter.RoutingParameterType;
 import android.app.AlertDialog;
 import android.app.AlertDialog.Builder;
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnMultiChoiceClickListener;
+import android.content.Intent;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 import android.preference.ListPreference;
@@ -35,6 +40,8 @@ public class SettingsNavigationActivity extends SettingsBaseActivity {
 	private ListPreference autoZoomMapPreference;
 	private ListPreference speedLimitExceed;
 	
+	private ComponentName mDeviceAdmin;
+	private static final int DEVICE_ADMIN_REQUEST = 5;
 	
 	private List<RoutingParameter> avoidParameters = new ArrayList<RoutingParameter>();
 	private List<RoutingParameter> preferParameters = new ArrayList<RoutingParameter>();
@@ -51,6 +58,40 @@ public class SettingsNavigationActivity extends SettingsBaseActivity {
 		createUI();
     }
 	
+	@Override
+	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+		super.onActivityResult(requestCode, resultCode, data);
+		if (requestCode == DEVICE_ADMIN_REQUEST) {
+			if (resultCode == RESULT_OK) {
+//				Log.d("DeviceAdmin", "Lock screen permission approved.");
+			} else {
+				settings.WAKE_ON_VOICE.set(0);
+//				Log.d("DeviceAdmin", "Lock screen permission refused.");
+			}
+			return;
+		}
+	}
+
+	private void requestLockScreenAdmin() {
+		mDeviceAdmin = new ComponentName(getApplicationContext(),
+				DeviceAdminRecv.class);
+
+		DevicePolicyManager mDevicePolicyManager = (DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE);
+
+		if (!mDevicePolicyManager.isAdminActive(mDeviceAdmin)) {
+			// request permission from user
+			Intent intent = new Intent(
+					DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);
+			intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN,
+					mDeviceAdmin);
+			intent.putExtra(
+					DevicePolicyManager.EXTRA_ADD_EXPLANATION,
+					getString(R.string.lock_screen_request_explanation,
+							Version.getAppName(getMyApplication())));
+			startActivityForResult(intent, DEVICE_ADMIN_REQUEST);
+		}
+	};
+	
 	private void createUI() {
 		addPreferencesFromResource(R.xml.navigation_settings);
 		PreferenceScreen screen = getPreferenceScreen();
@@ -91,8 +132,17 @@ public class SettingsNavigationActivity extends SettingsBaseActivity {
         }
         registerListPreference(settings.KEEP_INFORMING, screen, keepInformingNames, keepInformingValues);
         
+		// screen power save option:
+		Integer[] screenPowerSaveValues = new Integer[] { 0, 5, 10, 15, 20, 30, 45, 60 };
+		String[] screenPowerSaveNames = new String[screenPowerSaveValues.length];
+		screenPowerSaveNames[0] = getString(R.string.wake_on_voice_never);
+		for (int i = 1; i < screenPowerSaveValues.length; i++) {
+			screenPowerSaveNames[i] = screenPowerSaveValues[i] + " "
+					+ getString(R.string.int_seconds);
+		}
+		registerListPreference(settings.WAKE_ON_VOICE, screen, screenPowerSaveNames, screenPowerSaveValues);
+        
         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);
@@ -248,6 +298,16 @@ public class SettingsNavigationActivity extends SettingsBaseActivity {
 					+ settings.ROUTER_SERVICE.get() + "]");
 			prepareRoutingPrefs(getPreferenceScreen());
 			super.updateAllSettings();
+		} else if (id.equals(settings.WAKE_ON_VOICE.getId())) {
+			Integer value;
+			try {
+				value = Integer.parseInt(newValue.toString());
+			} catch (NumberFormatException e) {
+				value = 0;
+			}
+			if (value > 0) {
+				requestLockScreenAdmin();
+			}
 		}
 		return true;
 	}

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

@@ -871,11 +871,11 @@ public class VoiceRouter {
 					for (final VoiceMessageListener voiceMessageListener : voiceMessageListeners) {
 						Runnable closure = new Runnable() {
 							public void run() {
-								if (settings.WAKE_ON_VOICE.get()) {
+								if (settings.WAKE_ON_VOICE.get() > 0) {
 									synchronized (voiceMessageListeners) {
 										if (voiceMessageListeners
 												.contains(voiceMessageListener)
-												&& settings.WAKE_ON_VOICE.get()) {
+												&& (settings.WAKE_ON_VOICE.get() > 0)) {
 											voiceMessageListener
 													.onVoiceMessage();
 										}