diff --git a/OsmAnd-telegram/res/drawable-hdpi/bg_bottom_bar_shadow_with_line_day.png b/OsmAnd-telegram/res/drawable-hdpi/bg_bottom_bar_shadow_with_line_day.png
new file mode 100644
index 0000000000..96389533b4
Binary files /dev/null and b/OsmAnd-telegram/res/drawable-hdpi/bg_bottom_bar_shadow_with_line_day.png differ
diff --git a/OsmAnd-telegram/res/drawable-hdpi/bg_bottom_bar_shadow_with_line_night.png b/OsmAnd-telegram/res/drawable-hdpi/bg_bottom_bar_shadow_with_line_night.png
new file mode 100644
index 0000000000..d72a8bc35f
Binary files /dev/null and b/OsmAnd-telegram/res/drawable-hdpi/bg_bottom_bar_shadow_with_line_night.png differ
diff --git a/OsmAnd-telegram/res/drawable-mdpi/bg_bottom_bar_shadow_with_line_day.png b/OsmAnd-telegram/res/drawable-mdpi/bg_bottom_bar_shadow_with_line_day.png
new file mode 100644
index 0000000000..6afcd4791d
Binary files /dev/null and b/OsmAnd-telegram/res/drawable-mdpi/bg_bottom_bar_shadow_with_line_day.png differ
diff --git a/OsmAnd-telegram/res/drawable-mdpi/bg_bottom_bar_shadow_with_line_night.png b/OsmAnd-telegram/res/drawable-mdpi/bg_bottom_bar_shadow_with_line_night.png
new file mode 100644
index 0000000000..50179439a6
Binary files /dev/null and b/OsmAnd-telegram/res/drawable-mdpi/bg_bottom_bar_shadow_with_line_night.png differ
diff --git a/OsmAnd-telegram/res/drawable-xhdpi/bg_bottom_bar_shadow_with_line_day.png b/OsmAnd-telegram/res/drawable-xhdpi/bg_bottom_bar_shadow_with_line_day.png
new file mode 100644
index 0000000000..9d66a91a0d
Binary files /dev/null and b/OsmAnd-telegram/res/drawable-xhdpi/bg_bottom_bar_shadow_with_line_day.png differ
diff --git a/OsmAnd-telegram/res/drawable-xhdpi/bg_bottom_bar_shadow_with_line_night.png b/OsmAnd-telegram/res/drawable-xhdpi/bg_bottom_bar_shadow_with_line_night.png
new file mode 100644
index 0000000000..b4f96c78b0
Binary files /dev/null and b/OsmAnd-telegram/res/drawable-xhdpi/bg_bottom_bar_shadow_with_line_night.png differ
diff --git a/OsmAnd-telegram/res/drawable-xxhdpi/bg_bottom_bar_shadow_with_line_day.png b/OsmAnd-telegram/res/drawable-xxhdpi/bg_bottom_bar_shadow_with_line_day.png
new file mode 100644
index 0000000000..7939f4b3ab
Binary files /dev/null and b/OsmAnd-telegram/res/drawable-xxhdpi/bg_bottom_bar_shadow_with_line_day.png differ
diff --git a/OsmAnd-telegram/res/drawable-xxhdpi/bg_bottom_bar_shadow_with_line_night.png b/OsmAnd-telegram/res/drawable-xxhdpi/bg_bottom_bar_shadow_with_line_night.png
new file mode 100644
index 0000000000..88f85b40c9
Binary files /dev/null and b/OsmAnd-telegram/res/drawable-xxhdpi/bg_bottom_bar_shadow_with_line_night.png differ
diff --git a/OsmAnd-telegram/res/layout/activity_main.xml b/OsmAnd-telegram/res/layout/activity_main.xml
index 2036b6bcbe..26ab79daa4 100644
--- a/OsmAnd-telegram/res/layout/activity_main.xml
+++ b/OsmAnd-telegram/res/layout/activity_main.xml
@@ -1,34 +1,47 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:app="http://schemas.android.com/apk/res-auto"
 	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
 	android:layout_height="match_parent"
+	android:orientation="vertical"
 	tools:context=".MainActivity">
 
-	<LinearLayout
+	<FrameLayout
 		android:layout_width="match_parent"
-		android:layout_height="match_parent"
-		android:orientation="vertical">
+		android:layout_height="0dp"
+		android:layout_weight="1">
 
 		<android.support.v7.widget.RecyclerView
 			android:id="@+id/groups_view"
 			android:layout_width="match_parent"
-			android:layout_height="0dp"
-			android:layout_weight="1"
+			android:layout_height="match_parent"
 			android:scrollbars="vertical" />
 
-		<android.support.design.widget.BottomNavigationView
-			android:id="@+id/bottom_navigation"
+		<net.osmand.telegram.views.LockableViewPager
+			android:id="@+id/pager"
+			android:layout_width="match_parent"
+			android:layout_height="match_parent"
+			android:visibility="gone" />
+
+		<android.support.v7.widget.AppCompatImageView
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
-			android:visibility="visible"
-			app:itemBackground="?attr/bg_color"
-			app:menu="@menu/bottom_navigation_menu"
-			tools:itemIconTint="@color/ctrl_active_color_light"
-			tools:itemTextColor="@color/ctrl_active_color_light"
-			tools:visibility="visible" />
+			android:layout_gravity="bottom"
+			android:scaleType="fitXY"
+			android:src="?attr/bottom_nav_shadow" />
 
-	</LinearLayout>
+	</FrameLayout>
 
-</android.support.design.widget.CoordinatorLayout>
\ No newline at end of file
+	<android.support.design.widget.BottomNavigationView
+		android:id="@+id/bottom_navigation"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:visibility="visible"
+		app:itemBackground="?attr/bg_color"
+		app:menu="@menu/bottom_navigation_menu"
+		tools:itemIconTint="@color/ctrl_active_color_light"
+		tools:itemTextColor="@color/ctrl_active_color_light"
+		tools:visibility="visible" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/values/attrs.xml b/OsmAnd-telegram/res/values/attrs.xml
index 8eb8a22285..0beeb60bcb 100644
--- a/OsmAnd-telegram/res/values/attrs.xml
+++ b/OsmAnd-telegram/res/values/attrs.xml
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <declare-styleable name="AppTheme">
-        <attr name="bg_color" format="reference" />
-        <attr name="icon_color" format="reference" />
-        <attr name="ctrl_active_color" format="reference" />
-        <attr name="ctrl_color" format="reference" />
-    </declare-styleable>
+	<declare-styleable name="AppTheme">
+		<attr name="bg_color" format="reference" />
+		<attr name="icon_color" format="reference" />
+		<attr name="ctrl_active_color" format="reference" />
+		<attr name="ctrl_color" format="reference" />
+		<attr name="bottom_nav_shadow" format="reference" />
+	</declare-styleable>
 </resources>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/values/styles.xml b/OsmAnd-telegram/res/values/styles.xml
index 95b9dc5850..ddb7ad85e2 100644
--- a/OsmAnd-telegram/res/values/styles.xml
+++ b/OsmAnd-telegram/res/values/styles.xml
@@ -19,6 +19,8 @@
 		<item name="icon_color">@color/icon_color_light</item>
 		<item name="ctrl_active_color">@color/ctrl_active_color_light</item>
 		<item name="ctrl_color">@color/ctrl_color_light</item>
+
+		<item name="bottom_nav_shadow">@drawable/bg_bottom_bar_shadow_with_line_day</item>
 	</style>
 
 	<style name="AppTheme.NoActionbar">
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/MainActivity.kt b/OsmAnd-telegram/src/net/osmand/telegram/MainActivity.kt
index 7966b67f01..309516cadd 100644
--- a/OsmAnd-telegram/src/net/osmand/telegram/MainActivity.kt
+++ b/OsmAnd-telegram/src/net/osmand/telegram/MainActivity.kt
@@ -340,6 +340,10 @@ class MainActivity : AppCompatActivity(), TelegramListener {
 					if (settings.hasAnyChatToShareLocation()) {
 						app.shareLocationHelper.startSharingLocation()
 					}
+				} else {
+					settings.stopSharingLocationToChats()
+					app.shareLocationHelper.stopSharingLocation()
+					updateChatsList()
 				}
 				if (settings.hasAnyChatToShowOnMap() && osmandHelper.isOsmandNotInstalled()) {
 					showOsmandMissingDialog()
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/TelegramApplication.kt b/OsmAnd-telegram/src/net/osmand/telegram/TelegramApplication.kt
index 0e7b64a226..2116ca483d 100644
--- a/OsmAnd-telegram/src/net/osmand/telegram/TelegramApplication.kt
+++ b/OsmAnd-telegram/src/net/osmand/telegram/TelegramApplication.kt
@@ -127,6 +127,10 @@ class TelegramApplication : Application(), OsmandHelperListener {
 		telegramService?.stopIfNeeded(this, TelegramService.USED_BY_MY_LOCATION)
 	}
 
+	fun forceUpdateMyLocation() {
+		telegramService?.forceLocationUpdate()
+	}
+
 	fun startUserLocationService() {
 		startTelegramService(TelegramService.USED_BY_USERS_LOCATIONS)
 	}
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/TelegramService.kt b/OsmAnd-telegram/src/net/osmand/telegram/TelegramService.kt
index a6991b6bfb..0bcabf45d9 100644
--- a/OsmAnd-telegram/src/net/osmand/telegram/TelegramService.kt
+++ b/OsmAnd-telegram/src/net/osmand/telegram/TelegramService.kt
@@ -1,5 +1,6 @@
 package net.osmand.telegram
 
+import android.annotation.SuppressLint
 import android.app.AlarmManager
 import android.app.PendingIntent
 import android.app.Service
@@ -14,7 +15,9 @@ import android.widget.Toast
 import net.osmand.PlatformUtil
 import net.osmand.telegram.helpers.TelegramHelper.TelegramIncomingMessagesListener
 import net.osmand.telegram.notifications.TelegramNotification.NotificationType
+import net.osmand.telegram.utils.AndroidUtils
 import org.drinkless.td.libcore.telegram.TdApi
+import java.util.ArrayList
 import java.util.concurrent.Executors
 
 class TelegramService : Service(), LocationListener, TelegramIncomingMessagesListener {
@@ -127,7 +130,15 @@ class TelegramService : Service(), LocationListener, TelegramIncomingMessagesLis
 		stopForeground(java.lang.Boolean.TRUE)
 	}
 
+	fun forceLocationUpdate() {
+		val location = getFirstTimeRunDefaultLocation()
+		app().shareLocationHelper.updateLocation(location)
+	}
+
 	private fun initLocationUpdates() {
+		val firstLocation = getFirstTimeRunDefaultLocation()
+		app().shareLocationHelper.updateLocation(firstLocation)
+
 		// requesting
 		if (isContinuous()) {
 			// request location updates
@@ -146,6 +157,32 @@ class TelegramService : Service(), LocationListener, TelegramIncomingMessagesLis
 		}
 	}
 
+	@SuppressLint("MissingPermission")
+	private fun getFirstTimeRunDefaultLocation(): net.osmand.Location? {
+		val app = app()
+		if (!AndroidUtils.isLocationPermissionAvailable(app)) {
+			return null
+		}
+		val service = app.getSystemService(Context.LOCATION_SERVICE) as LocationManager
+		val ps = service.getProviders(true) ?: return null
+		val providers = ArrayList(ps)
+		// note, passive provider is from API_LEVEL 8 but it is a constant, we can check for it.
+		// constant should not be changed in future
+		val passiveFirst = providers.indexOf("passive") // LocationManager.PASSIVE_PROVIDER
+		// put passive provider to first place
+		if (passiveFirst > -1) {
+			providers.add(0, providers.removeAt(passiveFirst))
+		}
+		// find location
+		for (provider in providers) {
+			val location = convertLocation(service.getLastKnownLocation(provider))
+			if (location != null) {
+				return location
+			}
+		}
+		return null
+	}
+
 	private fun setupAlarm() {
 		val alarmManager = getSystemService(Context.ALARM_SERVICE) as AlarmManager
 		pendingIntent = PendingIntent.getBroadcast(this, 0, Intent(this, OnTelegramServiceAlarmReceiver::class.java), PendingIntent.FLAG_UPDATE_CURRENT)
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/TelegramSettings.kt b/OsmAnd-telegram/src/net/osmand/telegram/TelegramSettings.kt
index a20fcd08dd..4686d0f214 100644
--- a/OsmAnd-telegram/src/net/osmand/telegram/TelegramSettings.kt
+++ b/OsmAnd-telegram/src/net/osmand/telegram/TelegramSettings.kt
@@ -72,6 +72,10 @@ class TelegramSettings(private val app: TelegramApplication) {
 		this.shareLocationChats = shareLocationChats.toHashSet()
 	}
 
+	fun stopSharingLocationToChats() {
+		this.shareLocationChats = emptySet()
+	}
+
 	fun showChatOnMap(chatTitle: String, show: Boolean) {
 		val showOnMapChats = showOnMapChats.toMutableList()
 		if (show) {
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/helpers/ShareLocationHelper.kt b/OsmAnd-telegram/src/net/osmand/telegram/helpers/ShareLocationHelper.kt
index 09f3bc5499..196d32bf04 100644
--- a/OsmAnd-telegram/src/net/osmand/telegram/helpers/ShareLocationHelper.kt
+++ b/OsmAnd-telegram/src/net/osmand/telegram/helpers/ShareLocationHelper.kt
@@ -58,6 +58,8 @@ class ShareLocationHelper(private val app: TelegramApplication) {
 			app.startMyLocationService()
 
 			refreshNotification()
+		} else {
+			app.forceUpdateMyLocation()
 		}
 	}
 
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/views/LockableViewPager.kt b/OsmAnd-telegram/src/net/osmand/telegram/views/LockableViewPager.kt
new file mode 100644
index 0000000000..45c931ebb4
--- /dev/null
+++ b/OsmAnd-telegram/src/net/osmand/telegram/views/LockableViewPager.kt
@@ -0,0 +1,26 @@
+package net.osmand.telegram.views
+
+import android.content.Context
+import android.support.v4.view.ViewPager
+import android.util.AttributeSet
+import android.view.MotionEvent
+
+class LockableViewPager : ViewPager {
+	var swipeLocked: Boolean = false
+
+	constructor(context: Context) : super(context) {}
+
+	constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {}
+
+	override fun onTouchEvent(event: MotionEvent): Boolean {
+		return !swipeLocked && super.onTouchEvent(event)
+	}
+
+	override fun onInterceptTouchEvent(event: MotionEvent): Boolean {
+		return !swipeLocked && super.onInterceptTouchEvent(event)
+	}
+
+	override fun canScrollHorizontally(direction: Int): Boolean {
+		return !swipeLocked && super.canScrollHorizontally(direction)
+	}
+}
diff --git a/OsmAndCore-sample/build.gradle b/OsmAndCore-sample/build.gradle
index 6ed7085f94..1d52a40dac 100644
--- a/OsmAndCore-sample/build.gradle
+++ b/OsmAndCore-sample/build.gradle
@@ -9,8 +9,8 @@ android {
     }
 
     defaultConfig {
-        minSdkVersion 14
-        targetSdkVersion 23
+        minSdkVersion 15
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
     }
diff --git a/plugins/Osmand-Nautical/build.gradle b/plugins/Osmand-Nautical/build.gradle
index b5c83f456d..bffb49fe7a 100644
--- a/plugins/Osmand-Nautical/build.gradle
+++ b/plugins/Osmand-Nautical/build.gradle
@@ -20,8 +20,8 @@ android {
 	}
 
 	defaultConfig {
-		minSdkVersion 9
-		targetSdkVersion 21
+		minSdkVersion 15
+		targetSdkVersion 27
 	}
 
 	lintOptions {
diff --git a/plugins/Osmand-ParkingPlugin/build.gradle b/plugins/Osmand-ParkingPlugin/build.gradle
index 9b541939c6..64c0e887e9 100644
--- a/plugins/Osmand-ParkingPlugin/build.gradle
+++ b/plugins/Osmand-ParkingPlugin/build.gradle
@@ -21,8 +21,8 @@ android {
 	}
 
 	defaultConfig {
-		minSdkVersion 9
-		targetSdkVersion 23
+		minSdkVersion 15
+		targetSdkVersion 27
 	}
 
 	lintOptions {
diff --git a/plugins/Osmand-SRTMPlugin/build.gradle b/plugins/Osmand-SRTMPlugin/build.gradle
index f7da45a082..08f2a28c72 100644
--- a/plugins/Osmand-SRTMPlugin/build.gradle
+++ b/plugins/Osmand-SRTMPlugin/build.gradle
@@ -21,8 +21,8 @@ android {
 	}
 
 	defaultConfig {
-		minSdkVersion 9
-		targetSdkVersion 21
+		minSdkVersion 15
+		targetSdkVersion 27
 	}
 
 	lintOptions {
diff --git a/plugins/Osmand-Skimaps/build.gradle b/plugins/Osmand-Skimaps/build.gradle
index 0306667dc6..91210d7b80 100644
--- a/plugins/Osmand-Skimaps/build.gradle
+++ b/plugins/Osmand-Skimaps/build.gradle
@@ -21,8 +21,8 @@ android {
 	}
 
 	defaultConfig {
-		minSdkVersion 9
-		targetSdkVersion 21
+		minSdkVersion 15
+		targetSdkVersion 27
 	}
 
 	lintOptions {