Detect first location. Stop sharing if no permission. UI fix.

OsmAnd-telegram/res/layout/activity_main.xml

@@ -1,23 +1,38 @@
 <?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:layout_height="0dp"
-		android:orientation="vertical">
+		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_height="match_parent"
-			android:layout_weight="1"
 			android:scrollbars="vertical" />
 
+		<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:layout_gravity="bottom"
+			android:scaleType="fitXY"
+			android:src="?attr/bottom_nav_shadow" />
+
+	</FrameLayout>
+
 	<android.support.design.widget.BottomNavigationView
 		android:id="@+id/bottom_navigation"
 		android:layout_width="match_parent"
@@ -30,5 +45,3 @@
 		tools:visibility="visible" />
 
 </LinearLayout>
-
-</android.support.design.widget.CoordinatorLayout>

OsmAnd-telegram/res/values/attrs.xml

@@ -5,5 +5,6 @@
 		<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>

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">

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()

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 {
@@ -128,6 +131,9 @@ class TelegramService : Service(), LocationListener, TelegramIncomingMessagesLis
 	}
 
 	private fun initLocationUpdates() {
+		val firstLocation = getFirstTimeRunDefaultLocation()
+		app().shareLocationHelper.updateLocation(firstLocation)
+
 		// requesting
 		if (isContinuous()) {
 			// request location updates
@@ -146,6 +152,32 @@ 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)

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) {

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)
+	}
+}