From 46b1bba9979265e07c94cdb06fb5f0ec0c38055e Mon Sep 17 00:00:00 2001
From: crimean <alexey.kulish@osmand.net>
Date: Mon, 18 Jun 2018 00:08:29 +0300
Subject: [PATCH] Refactored Login screen

---
 OsmAnd-telegram/build.gradle                  | 200 +++++------
 .../res/drawable-hdpi/ic_arrow_back.png       | Bin 0 -> 1212 bytes
 .../res/drawable-mdpi/ic_arrow_back.png       | Bin 0 -> 1127 bytes
 .../res/drawable-xhdpi/ic_arrow_back.png      | Bin 0 -> 1294 bytes
 .../res/drawable-xxhdpi/ic_arrow_back.png     | Bin 0 -> 1385 bytes
 OsmAnd-telegram/res/drawable/btn_round.xml    |  23 ++
 .../res/drawable/btn_round_blue.xml           |  23 ++
 OsmAnd-telegram/res/layout/activity_main.xml  |  42 ++-
 .../res/layout/install_osmand_dialog.xml      |   2 +-
 OsmAnd-telegram/res/layout/login_dialog.xml   | 325 +++++++++++-------
 .../res/menu/bottom_navigation_menu.xml       |  12 +
 OsmAnd-telegram/res/values/attrs.xml          |   2 +
 OsmAnd-telegram/res/values/colors.xml         |  33 +-
 OsmAnd-telegram/res/values/dimens.xml         |  21 +-
 OsmAnd-telegram/res/values/strings.xml        | 129 +++----
 OsmAnd-telegram/res/values/styles.xml         |  62 +++-
 .../osmand/telegram/LoginDialogFragment.kt    | 182 +++++++---
 .../src/net/osmand/telegram/MainActivity.kt   |  23 +-
 .../net/osmand/telegram/utils/AndroidUtils.kt |   1 +
 19 files changed, 703 insertions(+), 377 deletions(-)
 create mode 100644 OsmAnd-telegram/res/drawable-hdpi/ic_arrow_back.png
 create mode 100644 OsmAnd-telegram/res/drawable-mdpi/ic_arrow_back.png
 create mode 100644 OsmAnd-telegram/res/drawable-xhdpi/ic_arrow_back.png
 create mode 100644 OsmAnd-telegram/res/drawable-xxhdpi/ic_arrow_back.png
 create mode 100644 OsmAnd-telegram/res/drawable/btn_round.xml
 create mode 100644 OsmAnd-telegram/res/drawable/btn_round_blue.xml
 create mode 100644 OsmAnd-telegram/res/menu/bottom_navigation_menu.xml

diff --git a/OsmAnd-telegram/build.gradle b/OsmAnd-telegram/build.gradle
index dfd1fed11e..3355892eb1 100644
--- a/OsmAnd-telegram/build.gradle
+++ b/OsmAnd-telegram/build.gradle
@@ -4,128 +4,134 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 27
+	compileSdkVersion 27
+	buildToolsVersion "27.0.3"
 
-    sourceSets {
-        main {
-            manifest.srcFile "AndroidManifest.xml"
-            jni.srcDirs = []
-            jniLibs.srcDirs = ["libs"]
-            aidl.srcDirs = ["src"]
-            java.srcDirs = ["src"]
-            resources.srcDirs = ["src"]
-            res.srcDirs = ["res"]
-        }
-    }
+	sourceSets {
+		main {
+			manifest.srcFile "AndroidManifest.xml"
+			jni.srcDirs = []
+			jniLibs.srcDirs = ["libs"]
+			aidl.srcDirs = ["src"]
+			java.srcDirs = ["src"]
+			resources.srcDirs = ["src"]
+			res.srcDirs = ["res"]
+		}
+	}
 
-    defaultConfig {
-        applicationId "net.osmand.telegram"
-        minSdkVersion 15
-        targetSdkVersion 27
-        versionCode 1
-        versionCode System.getenv("APK_NUMBER_VERSION") ? System.getenv("APK_NUMBER_VERSION").toInteger() : versionCode
-        versionName "1.0"
-        versionName System.getenv("APK_VERSION")? System.getenv("APK_VERSION").toString(): versionName
-    }
+	defaultConfig {
+		applicationId "net.osmand.telegram"
+		minSdkVersion 15
+		targetSdkVersion 27
+		versionCode 1
+		versionCode System.getenv("APK_NUMBER_VERSION") ? System.getenv("APK_NUMBER_VERSION").toInteger() : versionCode
+		versionName "1.0"
+		versionName System.getenv("APK_VERSION") ? System.getenv("APK_VERSION").toString() : versionName
+	}
 
-    flavorDimensions "abi"
+	flavorDimensions "abi"
 
-    productFlavors {
-        x86 {
-            dimension "abi"
-            ndk {
-                abiFilter "x86"
-            }
-        }
-        armv7 {
-            dimension "abi"
-            ndk {
-                abiFilter "armeabi-v7a"
-            }
-        }
-        arm64 {
-            dimension "abi"
-            ndk {
-                abiFilter "arm64-v8a"
-            }
-        }
-        fat {
-            dimension "abi"
-        }
-    }
-    signingConfigs {
-        development {
-            storeFile file("../keystores/debug.keystore")
-            storePassword "android"
-            keyAlias "androiddebugkey"
-            keyPassword "android"
-        }
+	productFlavors {
+		x86 {
+			dimension "abi"
+			ndk {
+				abiFilter "x86"
+			}
+		}
+		armv7 {
+			dimension "abi"
+			ndk {
+				abiFilter "armeabi-v7a"
+			}
+		}
+		arm64 {
+			dimension "abi"
+			ndk {
+				abiFilter "arm64-v8a"
+			}
+		}
+		fat {
+			dimension "abi"
+		}
+	}
+	signingConfigs {
+		development {
+			storeFile file("../keystores/debug.keystore")
+			storePassword "android"
+			keyAlias "androiddebugkey"
+			keyPassword "android"
+		}
 
-        publishing {
-            storeFile file("/var/lib/jenkins/osmand_key")
-            storePassword System.getenv("OSMAND_APK_PASSWORD")
-            keyAlias "osmand"
-            keyPassword System.getenv("OSMAND_APK_PASSWORD")
-        }
-    }
+		publishing {
+			storeFile file("/var/lib/jenkins/osmand_key")
+			storePassword System.getenv("OSMAND_APK_PASSWORD")
+			keyAlias "osmand"
+			keyPassword System.getenv("OSMAND_APK_PASSWORD")
+		}
+	}
 
 
-    buildTypes {
-        debug {
-            signingConfig signingConfigs.development
-            applicationIdSuffix ".debug"
-        }
-        release {
-            signingConfig signingConfigs.publishing
-        }
-    }
+	buildTypes {
+		debug {
+			signingConfig signingConfigs.development
+			applicationIdSuffix ".debug"
+		}
+		release {
+			signingConfig signingConfigs.publishing
+		}
+	}
 
-    
-    lintOptions {
-        // use this line to check all rules except those listed
-        disable 'InvalidPackage'
-    }
+
+	lintOptions {
+		// use this line to check all rules except those listed
+		disable 'InvalidPackage'
+	}
 }
 
 task downloadTdLibzip {
-    doLast {
-        ant.get(src: 'https://core.telegram.org/tdlib/tdlib.zip', dest: 'tdlib.zip', skipexisting: 'true')
-        ant.unzip(src: 'tdlib.zip', dest: 'tdlib/')
-    }
+	doLast {
+		ant.get(src: 'https://core.telegram.org/tdlib/tdlib.zip', dest: 'tdlib.zip', skipexisting: 'true')
+		ant.unzip(src: 'tdlib.zip', dest: 'tdlib/')
+	}
 }
 
 task copyNativeLibs(type: Copy) {
-    dependsOn downloadTdLibzip
-    from "tdlib/libtd/src/main/libs"
-    into "libs"
+	dependsOn downloadTdLibzip
+	from "tdlib/libtd/src/main/libs"
+	into "libs"
 }
 
-task copyJavaSources(type: Copy)  {
-    dependsOn downloadTdLibzip
-    from "tdlib/libtd/src/main/java/org/drinkless/td"
-    into "src/org/drinkless/td"
+task copyJavaSources(type: Copy) {
+	dependsOn downloadTdLibzip
+	from "tdlib/libtd/src/main/java/org/drinkless/td"
+	into "src/org/drinkless/td"
 }
 
 task downloadPrebuiltTelegram {
-    dependsOn downloadTdLibzip, copyNativeLibs, copyJavaSources
+	dependsOn downloadTdLibzip, copyNativeLibs, copyJavaSources
 }
 
 
 afterEvaluate {
-  android.applicationVariants.all { variant ->
-    variant.javaCompiler.dependsOn(downloadPrebuiltTelegram)
-    variant.preBuild.dependsOn(downloadPrebuiltTelegram)
-  }
+	android.applicationVariants.all { variant ->
+		variant.javaCompiler.dependsOn(downloadPrebuiltTelegram)
+		variant.preBuild.dependsOn(downloadPrebuiltTelegram)
+	}
 }
 
 dependencies {
-    implementation project(path: ':OsmAnd-java', configuration: 'android')
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
+	implementation project(path: ':OsmAnd-java', configuration: 'android')
+	implementation fileTree(dir: 'libs', include: ['*.jar'])
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'com.android.support:appcompat-v7:27.1.1'
-    implementation 'com.android.support:support-annotations:27.1.1'
-    implementation 'commons-logging:commons-logging-api:1.1'
-    implementation 'com.android.support:recyclerview-v7:27.1.1'
-    implementation 'com.vividsolutions:jts-core:1.14.0'
+	implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+	implementation 'com.android.support:appcompat-v7:27.1.1'
+	implementation 'com.android.support:design:27.1.1'
+	implementation 'com.android.support:customtabs:27.1.1'
+	implementation 'com.android.support:support-annotations:27.1.1'
+	implementation 'commons-logging:commons-logging-api:1.1'
+	implementation 'com.android.support:recyclerview-v7:27.1.1'
+	implementation 'com.vividsolutions:jts-core:1.14.0'
+	implementation("com.github.HITGIF:TextFieldBoxes:1.4.4") {
+		exclude group: 'com.android.support'
+	}
 }
diff --git a/OsmAnd-telegram/res/drawable-hdpi/ic_arrow_back.png b/OsmAnd-telegram/res/drawable-hdpi/ic_arrow_back.png
new file mode 100644
index 0000000000000000000000000000000000000000..7a975df6138c61c9a61a4c183f90447dd992acd6
GIT binary patch
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diff --git a/OsmAnd-telegram/res/drawable-mdpi/ic_arrow_back.png b/OsmAnd-telegram/res/drawable-mdpi/ic_arrow_back.png
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GIT binary patch
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diff --git a/OsmAnd-telegram/res/drawable-xhdpi/ic_arrow_back.png b/OsmAnd-telegram/res/drawable-xhdpi/ic_arrow_back.png
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new file mode 100644
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GIT binary patch
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diff --git a/OsmAnd-telegram/res/drawable/btn_round.xml b/OsmAnd-telegram/res/drawable/btn_round.xml
new file mode 100644
index 0000000000..47458a958d
--- /dev/null
+++ b/OsmAnd-telegram/res/drawable/btn_round.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+	<item android:state_pressed="true">
+		<shape android:shape="rectangle">
+			<solid android:color="@color/ctrl_active_color_light" />
+			<corners android:radius="@dimen/dialog_button_radius" />
+		</shape>
+	</item>
+	<item android:state_enabled="false">
+		<shape android:shape="rectangle">
+			<solid android:color="@color/ctrl_color_light" />
+			<corners android:radius="@dimen/dialog_button_radius" />
+		</shape>
+	</item>
+	<item>
+		<shape android:shape="rectangle">
+			<solid android:color="@color/ctrl_color_light" />
+			<corners android:radius="@dimen/dialog_button_radius" />
+		</shape>
+	</item>
+
+</selector>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/drawable/btn_round_blue.xml b/OsmAnd-telegram/res/drawable/btn_round_blue.xml
new file mode 100644
index 0000000000..fb0e06cfb9
--- /dev/null
+++ b/OsmAnd-telegram/res/drawable/btn_round_blue.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+	<item android:state_pressed="true">
+		<shape android:shape="rectangle">
+			<solid android:color="@color/ctrl_active_color_light" />
+			<corners android:radius="@dimen/dialog_button_radius" />
+		</shape>
+	</item>
+	<item android:state_enabled="false">
+		<shape android:shape="rectangle">
+			<solid android:color="@color/ctrl_color_light" />
+			<corners android:radius="@dimen/dialog_button_radius" />
+		</shape>
+	</item>
+	<item>
+		<shape android:shape="rectangle">
+			<solid android:color="@color/ctrl_active_color_light" />
+			<corners android:radius="@dimen/dialog_button_radius" />
+		</shape>
+	</item>
+
+</selector>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/layout/activity_main.xml b/OsmAnd-telegram/res/layout/activity_main.xml
index 94c382c0dc..2036b6bcbe 100644
--- a/OsmAnd-telegram/res/layout/activity_main.xml
+++ b/OsmAnd-telegram/res/layout/activity_main.xml
@@ -1,14 +1,34 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".MainActivity">
+<android.support.design.widget.CoordinatorLayout 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"
+	tools:context=".MainActivity">
 
-    <android.support.v7.widget.RecyclerView
-        android:id="@+id/groups_view"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:scrollbars="vertical" />
+	<LinearLayout
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:orientation="vertical">
 
-</LinearLayout>
\ No newline at end of file
+		<android.support.v7.widget.RecyclerView
+			android:id="@+id/groups_view"
+			android:layout_width="match_parent"
+			android:layout_height="0dp"
+			android:layout_weight="1"
+			android:scrollbars="vertical" />
+
+		<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>
+
+</android.support.design.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/layout/install_osmand_dialog.xml b/OsmAnd-telegram/res/layout/install_osmand_dialog.xml
index 4708b4c39a..9d4e60ef21 100644
--- a/OsmAnd-telegram/res/layout/install_osmand_dialog.xml
+++ b/OsmAnd-telegram/res/layout/install_osmand_dialog.xml
@@ -7,7 +7,7 @@
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="@color/dialogTitleBackgroundColor"
+        android:background="?attr/ctrl_active_color"
         android:orientation="vertical"
         android:gravity="center_horizontal">
 
diff --git a/OsmAnd-telegram/res/layout/login_dialog.xml b/OsmAnd-telegram/res/layout/login_dialog.xml
index 2db8deb9b0..ddf957149f 100644
--- a/OsmAnd-telegram/res/layout/login_dialog.xml
+++ b/OsmAnd-telegram/res/layout/login_dialog.xml
@@ -1,143 +1,234 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:fillViewport="true"
-    android:paddingBottom="@dimen/dialog_padding_vertical"
-    android:paddingLeft="@dimen/dialog_padding_horizontal"
-    android:paddingRight="@dimen/dialog_padding_horizontal"
-    android:paddingTop="@dimen/dialog_padding_vertical">
+<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">
 
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical">
+	<LinearLayout
+		android:id="@+id/welcome_layout"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:layout_marginLeft="@dimen/dialog_padding_horizontal_edit"
+		android:layout_marginRight="@dimen/dialog_padding_horizontal_edit"
+		android:layout_marginTop="@dimen/dialog_padding_vertical"
+		android:orientation="vertical"
+		android:visibility="visible">
 
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="0.2"
-            android:gravity="center"
-            android:text="@string/login_to_telegram"
-            android:textSize="@dimen/dialog_title_text_size"
-            android:textStyle="bold" />
+		<TextView
+			android:id="@+id/welcome_title"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:text="@string/shared_string_welcome"
+			android:textColor="?android:attr/textColorPrimary"
+			android:textSize="@dimen/title_text_size"
+			android:textStyle="bold" />
 
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_gravity="center"
-            android:layout_weight="0.6"
-            android:gravity="center"
-            android:orientation="vertical">
+		<ScrollView
+			android:layout_width="match_parent"
+			android:layout_height="0dp"
+			android:layout_marginTop="@dimen/dialog_padding_vertical"
+			android:layout_weight="1"
+			android:fillViewport="true">
 
-            <LinearLayout
-                android:id="@+id/enterPhoneNumberLayout"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical"
-                android:visibility="visible">
+			<TextView
+				android:id="@+id/welcome_descr"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:textColor="?android:attr/textColorSecondary"
+				android:textSize="@dimen/descr_text_size"
+				tools:text="@string/welcome_descr" />
 
-                <TextView
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:text="@string/phone_number_title" />
+		</ScrollView>
 
-                <EditText
-                    android:id="@+id/phoneNumberEditText"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:hint="@string/phone_number_title"
-                    android:inputType="phone"
-                    tools:text="+380661234567" />
+		<Button
+			android:id="@+id/welcome_continue_button"
+			style="@style/DialogActionButtonActive"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_gravity="center"
+			android:layout_marginBottom="@dimen/dialog_padding_vertical"
+			android:layout_marginLeft="@dimen/content_padding_standard"
+			android:layout_marginRight="@dimen/content_padding_standard"
+			android:layout_marginTop="@dimen/content_padding_standard"
+			android:text="@string/shared_string_continue" />
 
-            </LinearLayout>
+	</LinearLayout>
 
-            <LinearLayout
-                android:id="@+id/enterCodeLayout"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical"
-                android:visibility="gone">
+	<LinearLayout
+		android:id="@+id/login_layout"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:orientation="vertical"
+		android:visibility="gone">
 
-                <TextView
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:text="@string/authentication_code" />
+		<LinearLayout
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:gravity="center_vertical"
+			android:minHeight="@dimen/action_bar_height"
+			android:orientation="horizontal">
 
-                <EditText
-                    android:id="@+id/codeEditText"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:hint="@string/authentication_code"
-                    android:inputType="number"
-                    tools:text="123456" />
+			<android.support.v7.widget.AppCompatImageView
+				android:id="@+id/back_button"
+				android:layout_width="@dimen/dialog_button_height"
+				android:layout_height="@dimen/dialog_button_height"
+				android:layout_marginEnd="@dimen/content_padding_standard"
+				android:layout_marginLeft="@dimen/content_padding_half"
+				android:layout_marginRight="@dimen/content_padding_standard"
+				android:layout_marginStart="@dimen/content_padding_half"
+				android:background="?attr/selectableItemBackgroundBorderless"
+				android:scaleType="centerInside"
+				android:src="@drawable/ic_arrow_back"
+				android:tint="?attr/icon_color" />
 
-            </LinearLayout>
+			<TextView
+				android:id="@+id/login_title"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_marginEnd="@dimen/content_padding_standard"
+				android:layout_marginRight="@dimen/content_padding_standard"
+				android:textColor="?attr/ctrl_active_color"
+				android:textSize="@dimen/title_text_size"
+				android:textStyle="bold"
+				tools:text="@string/shared_string_authorization" />
 
-            <LinearLayout
-                android:id="@+id/enterPasswordLayout"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical"
-                android:visibility="gone">
+		</LinearLayout>
 
-                <TextView
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:text="@string/shared_string_password" />
+		<TextView
+			android:id="@+id/login_description"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:layout_marginBottom="@dimen/content_padding_standard"
+			android:layout_marginEnd="@dimen/dialog_padding_horizontal"
+			android:layout_marginLeft="@dimen/dialog_padding_horizontal"
+			android:layout_marginRight="@dimen/dialog_padding_horizontal"
+			android:layout_marginStart="@dimen/dialog_padding_horizontal"
+			android:layout_marginTop="@dimen/content_padding_standard"
+			android:textColor="?android:attr/textColorSecondary"
+			android:textSize="@dimen/descr_text_size"
+			tools:text="@string/shared_string_authorization_descr" />
 
-                <EditText
-                    android:id="@+id/passwordEditText"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:hint="@string/shared_string_password"
-                    android:inputType="textPassword"
-                    tools:text="12345678" />
+		<ScrollView
+			android:layout_width="match_parent"
+			android:layout_height="0dp"
+			android:layout_weight="1"
+			android:fillViewport="true">
 
-            </LinearLayout>
+			<LinearLayout
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_marginEnd="@dimen/dialog_padding_horizontal_edit"
+				android:layout_marginLeft="@dimen/dialog_padding_horizontal_edit"
+				android:layout_marginRight="@dimen/dialog_padding_horizontal_edit"
+				android:layout_marginStart="@dimen/dialog_padding_horizontal_edit"
+				android:layout_marginTop="@dimen/content_padding_standard"
+				android:orientation="vertical">
 
-            <LinearLayout
-                android:id="@+id/progressLayout"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity="center"
-                android:orientation="vertical"
-                android:visibility="visible">
+				<LinearLayout
+					android:id="@+id/enter_phone_number_layout"
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"
+					android:orientation="vertical"
+					android:visibility="visible">
 
-                <ProgressBar
-                    android:layout_width="@dimen/progress_bar_size_small"
-                    android:layout_height="@dimen/progress_bar_size_small" />
+					<studio.carbonylgroup.textfieldboxes.TextFieldBoxes
+						android:layout_width="match_parent"
+						android:layout_height="wrap_content"
+						app:hasClearButton="true"
+						app:labelText="@string/phone_number_title">
 
-            </LinearLayout>
+						<studio.carbonylgroup.textfieldboxes.ExtendedEditText
+							android:id="@+id/phone_number_edit_text"
+							android:layout_width="match_parent"
+							android:layout_height="wrap_content"
+							android:inputType="phone"
+							android:text="@string/plus"
+							tools:text="+380661234567" />
 
-        </LinearLayout>
+					</studio.carbonylgroup.textfieldboxes.TextFieldBoxes>
 
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="0.2"
-            android:gravity="bottom"
-            android:orientation="horizontal">
+				</LinearLayout>
 
-            <Button
-                android:id="@+id/calcelButton"
-                style="?android:attr/buttonBarButtonStyle"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/shared_string_cancel" />
+				<LinearLayout
+					android:id="@+id/enter_code_layout"
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"
+					android:orientation="vertical"
+					android:visibility="gone">
 
-            <Button
-                android:id="@+id/continueButton"
-                style="?android:attr/buttonBarButtonStyle"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/shared_string_continue" />
+					<studio.carbonylgroup.textfieldboxes.TextFieldBoxes
+						android:layout_width="match_parent"
+						android:layout_height="wrap_content"
+						app:hasClearButton="true"
+						app:labelText="@string/authentication_code">
 
-        </LinearLayout>
+						<studio.carbonylgroup.textfieldboxes.ExtendedEditText
+							android:id="@+id/code_edit_text"
+							android:layout_width="match_parent"
+							android:layout_height="wrap_content"
+							android:inputType="number"
+							tools:text="123456" />
 
-    </LinearLayout>
+					</studio.carbonylgroup.textfieldboxes.TextFieldBoxes>
 
-</ScrollView>
\ No newline at end of file
+				</LinearLayout>
+
+				<LinearLayout
+					android:id="@+id/enter_password_layout"
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"
+					android:orientation="vertical"
+					android:visibility="gone">
+
+					<studio.carbonylgroup.textfieldboxes.TextFieldBoxes
+						android:layout_width="match_parent"
+						android:layout_height="wrap_content"
+						app:hasClearButton="true"
+						app:labelText="@string/shared_string_password">
+
+						<studio.carbonylgroup.textfieldboxes.ExtendedEditText
+							android:id="@+id/password_edit_text"
+							android:layout_width="match_parent"
+							android:layout_height="wrap_content"
+							android:inputType="textPassword"
+							tools:text="12345678" />
+
+					</studio.carbonylgroup.textfieldboxes.TextFieldBoxes>
+
+				</LinearLayout>
+
+				<LinearLayout
+					android:id="@+id/progress_layout"
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"
+					android:gravity="center"
+					android:orientation="vertical"
+					android:visibility="gone">
+
+					<ProgressBar
+						android:layout_width="@dimen/progress_bar_size_small"
+						android:layout_height="@dimen/progress_bar_size_small" />
+
+				</LinearLayout>
+
+			</LinearLayout>
+
+		</ScrollView>
+
+		<Button
+			android:id="@+id/continue_button"
+			style="@style/DialogActionButtonActive"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_gravity="center"
+			android:layout_marginBottom="@dimen/dialog_padding_vertical"
+			android:layout_marginLeft="@dimen/content_padding_standard"
+			android:layout_marginRight="@dimen/content_padding_standard"
+			android:layout_marginTop="@dimen/content_padding_standard"
+			android:text="@string/shared_string_continue" />
+
+	</LinearLayout>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/menu/bottom_navigation_menu.xml b/OsmAnd-telegram/res/menu/bottom_navigation_menu.xml
new file mode 100644
index 0000000000..37cf381ca9
--- /dev/null
+++ b/OsmAnd-telegram/res/menu/bottom_navigation_menu.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+	<item
+		android:id="@+id/action_my_location"
+		android:icon="@drawable/ic_action_polygom_dark"
+		android:title="@string/my_location"/>
+
+	<item
+		android:id="@+id/action_live_now"
+		android:icon="@drawable/ic_action_view"
+		android:title="@string/live_now"/>
+</menu>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/values/attrs.xml b/OsmAnd-telegram/res/values/attrs.xml
index 7bbaffc998..8eb8a22285 100644
--- a/OsmAnd-telegram/res/values/attrs.xml
+++ b/OsmAnd-telegram/res/values/attrs.xml
@@ -3,5 +3,7 @@
     <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>
 </resources>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/values/colors.xml b/OsmAnd-telegram/res/values/colors.xml
index 90dde03d70..48222a3ade 100644
--- a/OsmAnd-telegram/res/values/colors.xml
+++ b/OsmAnd-telegram/res/values/colors.xml
@@ -1,16 +1,31 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#3F51B5</color>
-    <color name="colorPrimaryDark">#303F9F</color>
-    <color name="colorAccent">#FF4081</color>
+	<color name="white_color">#fff</color>
 
-    <color name="bg_color_light">#fff</color>
-    <color name="bg_color_dark">#333b40</color>
-    <color name="icon_color_light">#ccc</color>
-    <color name="icon_color_dark">#ff4f4f4f</color>
+	<color name="bg_color_light">#fff</color>
+	<color name="bg_color_dark">#222526</color>
 
-    <color name="osmand_orange">#ff8f00</color>
+	<color name="icon_color_light">#727272</color>
+	<color name="icon_color_dark">#727272</color>
 
-    <color name="dialogTitleBackgroundColor">#2f7af5</color>
+	<color name="osmand_orange">#ff8f00</color>
+
+	<color name="ctrl_active_color_light">#237bff</color>
+	<color name="ctrl_active_color_dark">#d28521</color>
+
+	<color name="ctrl_color_light">#f0f0f0</color>
+	<color name="ctrl_color_dark">#17191a</color>
+
+	<color name="primary_text_color_light">#212121</color>
+	<color name="primary_text_color_dark">#cccccc</color>
+
+	<color name="secondary_text_color_light">#727272</color>
+	<color name="secondary_text_color_dark">#727272</color>
+
+	<color name="description_text_color_light">#b3b3b3</color>
+	<color name="description_text_color_dark">#4d4d4d</color>
+
+	<color name="divider_color_light">#f0f0f0</color>
+	<color name="divider_color_dark">#2d3133</color>
 
 </resources>
diff --git a/OsmAnd-telegram/res/values/dimens.xml b/OsmAnd-telegram/res/values/dimens.xml
index b28658b4cb..24378ab076 100644
--- a/OsmAnd-telegram/res/values/dimens.xml
+++ b/OsmAnd-telegram/res/values/dimens.xml
@@ -1,10 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <dimen name="content_padding_half">8dp</dimen>
-    <dimen name="content_padding_standard">16dp</dimen>
-    <dimen name="progress_bar_size_small">32dp</dimen>
-    <dimen name="dialog_title_text_size">22sp</dimen>
-    <dimen name="dialog_padding_vertical">24dp</dimen>
-    <dimen name="dialog_padding_horizontal">48dp</dimen>
-    <dimen name="list_item_height_min">48dp</dimen>
+	<dimen name="content_padding_half">8dp</dimen>
+	<dimen name="content_padding_standard">16dp</dimen>
+	<dimen name="progress_bar_size_small">32dp</dimen>
+	<dimen name="dialog_title_text_size">22sp</dimen>
+	<dimen name="dialog_padding_vertical">24dp</dimen>
+	<dimen name="dialog_padding_horizontal">60dp</dimen>
+	<dimen name="dialog_padding_horizontal_edit">44dp</dimen>
+	<dimen name="list_item_height_min">48dp</dimen>
+	<dimen name="dialog_button_height">36dp</dimen>
+	<dimen name="dialog_button_radius">2dp</dimen>
+	<dimen name="title_text_size">18sp</dimen>
+	<dimen name="descr_text_size">16sp</dimen>
+	<dimen name="action_bar_height">60dp</dimen>
+
 </resources>
\ No newline at end of file
diff --git a/OsmAnd-telegram/res/values/strings.xml b/OsmAnd-telegram/res/values/strings.xml
index 87e368618c..3133c46467 100644
--- a/OsmAnd-telegram/res/values/strings.xml
+++ b/OsmAnd-telegram/res/values/strings.xml
@@ -1,64 +1,75 @@
 <resources>
-    <string name="app_name">OsmAnd Telegram</string>
-    <string name="phone_number_title">Phone number in the international format</string>
-    <string name="shared_string_password">Password</string>
-    <string name="authentication_code">Authentication code</string>
-    <string name="login_to_telegram">Login to telegram</string>
-    <string name="shared_string_login">Login</string>
-    <string name="shared_string_logout">Logout</string>
-    <string name="not_logged_in">You are not logged in</string>
-    <string name="initialization">Initialization</string>
-    <string name="logging_out">Logging out</string>
-    <string name="closing">Closing</string>
-    <string name="shared_string_continue">Continue</string>
-    <string name="shared_string_cancel">Cancel</string>
-    <string name="gps_network_not_enabled">Location service not enabled. Turn it on?</string>
-    <string name="shared_string_settings">Settings</string>
-    <string name="no_location_permission">App has no permission to access location data.</string>
-    <string name="gps_not_available">Please enable GPS in the settings</string>
-    <string name="location_service_no_gps_available">The share location service requires a location provider to be turned on.</string>
-    <string name="osmand_service">Background mode</string>
-    <string name="osmand_service_descr">OsmAnd Telegram runs in the background with the screen off.</string>
-    <string name="shared_string_distance">Distance</string>
-    <string name="share_location">Share location</string>
-    <string name="sharing_location">Sharing location</string>
-    <string name="shared_string_paused">Paused</string>
-    <string name="shared_string_no_data">No data</string>
-    <string name="shared_string_pause">Pause</string>
-    <string name="shared_string_start">Start</string>
-    <string name="shared_string_stop">Stop</string>
-    <string name="process_service">OsmAnd Telegram service</string>
-    <string name="osmand_logo">OsmAnd logo</string>
-    <string name="install_osmand_dialog_message">You need to install free or paid version of OsmAnd first</string>
-    <string name="install_osmand">Install OsmAnd</string>
-    <string name="show_users_on_map">Show users on map</string>
-    <string name="active_chats">Active chats</string>
+	<string name="app_name">OsmAnd Telegram</string>
+	<string name="phone_number_title">Phone number</string>
+	<string name="phone_number_descr">Phone number in the international format</string>
+	<string name="shared_string_password">Password</string>
+	<string name="enter_code">Enter code</string>
+	<string name="authentication_code">Authentication code</string>
+	<string name="authentication_code_descr">You have been sent a code by Telegram. It will be used by OsmAnd to login into your account.</string>
+	<string name="enter_password">Enter password</string>
+	<string name="password_descr">Please enter your Telegram account\'s password to finish authorization</string>
+	<string name="shared_string_login">Login</string>
+	<string name="shared_string_logout">Logout</string>
+	<string name="not_logged_in">You are not logged in</string>
+	<string name="initialization">Initialization</string>
+	<string name="logging_out">Logging out</string>
+	<string name="closing">Closing</string>
+	<string name="shared_string_continue">Continue</string>
+	<string name="shared_string_cancel">Cancel</string>
+	<string name="gps_network_not_enabled">Location service not enabled. Turn it on?</string>
+	<string name="shared_string_settings">Settings</string>
+	<string name="no_location_permission">App has no permission to access location data.</string>
+	<string name="gps_not_available">Please enable GPS in the settings</string>
+	<string name="location_service_no_gps_available">The share location service requires a location provider to be turned on.</string>
+	<string name="osmand_service">Background mode</string>
+	<string name="osmand_service_descr">OsmAnd Telegram runs in the background with the screen off.</string>
+	<string name="shared_string_distance">Distance</string>
+	<string name="share_location">Share location</string>
+	<string name="sharing_location">Sharing location</string>
+	<string name="shared_string_paused">Paused</string>
+	<string name="shared_string_no_data">No data</string>
+	<string name="shared_string_pause">Pause</string>
+	<string name="shared_string_start">Start</string>
+	<string name="shared_string_stop">Stop</string>
+	<string name="process_service">OsmAnd Telegram service</string>
+	<string name="osmand_logo">OsmAnd logo</string>
+	<string name="install_osmand_dialog_message">You need to install free or paid version of OsmAnd first</string>
+	<string name="install_osmand">Install OsmAnd</string>
+	<string name="show_users_on_map">Show users on map</string>
+	<string name="active_chats">Active chats</string>
+	<string name="shared_string_authorization">Authorization</string>
+	<string name="shared_string_authorization_descr">Please enter the phone number of your Telegram account in the international format</string>
+	<string name="shared_string_welcome">Welcome</string>
 
-    <string name="yard">yd</string>
-    <string name="foot">ft</string>
-    <string name="mile">mi</string>
-    <string name="km">km</string>
-    <string name="m">m</string>
-    <string name="nm">nmi</string>
-    <string name="min_mile">min/m</string>
-    <string name="min_km">min/km</string>
-    <string name="nm_h">nmi/h</string>
-    <string name="m_s">m/s</string>
-    <string name="km_h">km/h</string>
-    <string name="mile_per_hour">mph</string>
-    <string name="si_kmh">Kilometers per hour</string>
-    <string name="si_mph">Miles per hour</string>
-    <string name="si_m_s">Meters per second</string>
-    <string name="si_min_km">Minutes per kilometer</string>
-    <string name="si_min_m">Minutes per mile</string>
-    <string name="si_nm_h">Nautical miles per hour (knot)</string>
-    <string name="si_mi_feet">Miles/feet</string>
-    <string name="si_mi_yard">Miles/yards</string>
-    <string name="si_km_m">Kilometers/meters</string>
-    <string name="si_nm">Nautical miles</string>
-    <string name="si_mi_meters">Miles/meters</string>
-    <string name="shared_string_hour_short">h</string>
-    <string name="shared_string_minute_short">min</string>
+	<string name="yard">yd</string>
+	<string name="foot">ft</string>
+	<string name="mile">mi</string>
+	<string name="km">km</string>
+	<string name="m">m</string>
+	<string name="nm">nmi</string>
+	<string name="min_mile">min/m</string>
+	<string name="min_km">min/km</string>
+	<string name="nm_h">nmi/h</string>
+	<string name="m_s">m/s</string>
+	<string name="km_h">km/h</string>
+	<string name="mile_per_hour">mph</string>
+	<string name="si_kmh">Kilometers per hour</string>
+	<string name="si_mph">Miles per hour</string>
+	<string name="si_m_s">Meters per second</string>
+	<string name="si_min_km">Minutes per kilometer</string>
+	<string name="si_min_m">Minutes per mile</string>
+	<string name="si_nm_h">Nautical miles per hour (knot)</string>
+	<string name="si_mi_feet">Miles/feet</string>
+	<string name="si_mi_yard">Miles/yards</string>
+	<string name="si_km_m">Kilometers/meters</string>
+	<string name="si_nm">Nautical miles</string>
+	<string name="si_mi_meters">Miles/meters</string>
+	<string name="shared_string_hour_short">h</string>
+	<string name="shared_string_minute_short">min</string>
+	<string name="plus">+</string>
+	<string name="welcome_descr"><![CDATA[<b>OsmAnd Location Sharing</b> allows you to share your location and see locations of other people in the OsmAnd.<br/><br/>The application works on base of Telegram API. To use this app you must have a Telegram account.]]></string>
+	<string name="my_location">My location</string>
+	<string name="live_now">Live now</string>
 
 
 </resources>
diff --git a/OsmAnd-telegram/res/values/styles.xml b/OsmAnd-telegram/res/values/styles.xml
index 90b91cd756..95b9dc5850 100644
--- a/OsmAnd-telegram/res/values/styles.xml
+++ b/OsmAnd-telegram/res/values/styles.xml
@@ -1,19 +1,55 @@
 <resources>
 
-    <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
-        <!-- Customize your theme here. -->
-        <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="colorAccent">@color/colorAccent</item>
+	<!-- Base application theme. -->
+	<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+		<item name="android:windowBackground">@color/bg_color_light</item>
+		<item name="android:colorBackground">@color/bg_color_light</item>
+		<item name="colorControlNormal">@color/primary_text_color_light</item>
+		<item name="colorControlActivated">@color/ctrl_active_color_light</item>
+		<item name="android:windowLightStatusBar">true</item>
 
-        <item name="bg_color">@color/bg_color_light</item>
-        <item name="icon_color">@color/icon_color_light</item>
-    </style>
+		<item name="colorPrimary">@color/ctrl_active_color_light</item>
+		<item name="colorPrimaryDark">@color/bg_color_light</item>
+		<item name="colorAccent">@color/ctrl_active_color_light</item>
+		<item name="android:textColorPrimary">@color/primary_text_color_light</item>
+		<item name="android:textColorSecondary">@color/secondary_text_color_light</item>
+		<item name="android:textColorTertiary">@color/description_text_color_light</item>
 
-    <style name="AppTheme.NoActionbar">
-        <item name="windowActionBar">false</item>
-        <item name="windowNoTitle">true</item>
-    </style>
+		<item name="bg_color">@color/bg_color_light</item>
+		<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>
+	</style>
+
+	<style name="AppTheme.NoActionbar">
+		<item name="windowActionBar">false</item>
+		<item name="windowNoTitle">true</item>
+	</style>
+
+	<style name="DialogActionButtonActive">
+		<item name="android:layout_width">wrap_content</item>
+		<item name="android:layout_height">wrap_content</item>
+		<item name="android:minHeight">@dimen/dialog_button_height</item>
+		<item name="android:paddingLeft">16dp</item>
+		<item name="android:paddingRight">16dp</item>
+		<item name="android:paddingTop">8dp</item>
+		<item name="android:paddingBottom">8dp</item>
+		<item name="android:textColor">@color/white_color</item>
+		<item name="android:textAllCaps">false</item>
+		<item name="android:background">@drawable/btn_round_blue</item>
+	</style>
+
+	<style name="DialogActionButton">
+		<item name="android:layout_width">wrap_content</item>
+		<item name="android:layout_height">wrap_content</item>
+		<item name="android:minHeight">@dimen/dialog_button_height</item>
+		<item name="android:paddingLeft">16dp</item>
+		<item name="android:paddingRight">16dp</item>
+		<item name="android:paddingTop">8dp</item>
+		<item name="android:paddingBottom">8dp</item>
+		<item name="android:textColor">@color/secondary_text_color_light</item>
+		<item name="android:textAllCaps">false</item>
+		<item name="android:background">@drawable/btn_round</item>
+	</style>
 
 </resources>
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/LoginDialogFragment.kt b/OsmAnd-telegram/src/net/osmand/telegram/LoginDialogFragment.kt
index 41abbe5289..4042c1f05a 100644
--- a/OsmAnd-telegram/src/net/osmand/telegram/LoginDialogFragment.kt
+++ b/OsmAnd-telegram/src/net/osmand/telegram/LoginDialogFragment.kt
@@ -1,18 +1,25 @@
 package net.osmand.telegram
 
+import android.app.Dialog
 import android.content.DialogInterface
+import android.os.Build
 import android.os.Bundle
+import android.support.annotation.StringRes
 import android.support.v4.app.DialogFragment
 import android.support.v4.app.FragmentManager
+import android.support.v7.widget.AppCompatImageView
+import android.text.Html
+import android.text.TextUtils
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.WindowManager
 import android.view.inputmethod.EditorInfo
 import android.widget.Button
-import android.widget.EditText
-import net.osmand.telegram.utils.AndroidUtils
+import android.widget.TextView
 import net.osmand.PlatformUtil
+import net.osmand.telegram.utils.AndroidUtils
+import studio.carbonylgroup.textfieldboxes.ExtendedEditText
 
 
 class LoginDialogFragment : DialogFragment() {
@@ -22,24 +29,44 @@ class LoginDialogFragment : DialogFragment() {
 		private const val TAG = "LoginDialogFragment"
 		private val LOG = PlatformUtil.getLog(LoginDialogFragment::class.java)
 
-		private const val ENTER_PHONE_NUMBER_PARAM_KEY: String = "enter_phone_number_param_key"
-		private const val ENTER_CODE_PARAM_KEY = "enter_code_param_key"
-		private const val ENTER_PASSWORD_PARAM_KEY = "enter_password_param_key"
-		private const val SHOW_PROGRESS_PARAM_KEY = "show_progress_param_key"
+		private const val LOGIN_DIALOG_TYPE_PARAM_KEY = "login_dialog_type_param"
+		private const val SHOW_PROGRESS_PARAM_KEY = "show_progress_param"
+		private const val SHOW_WELCOME_DIALOG_PARAM_KEY = "show_welcome_dialog_param"
 
-		fun showDialog(fragmentManager: FragmentManager, vararg loginDialogType: LoginDialogType) {
+		var welcomeDialogShown = false
+			private set
+
+		fun showWelcomeDialog(fragmentManager: FragmentManager) {
+			welcomeDialogShown = true
+			showDialog(fragmentManager, welcomeDialog = true)
+		}
+
+		fun showDialog(fragmentManager: FragmentManager, loginDialogType: LoginDialogType? = null, welcomeDialog: Boolean = false) {
 			try {
+
+				/*
+				mapActivity.getSupportFragmentManager().beginTransaction()
+						.setCustomAnimations(slideInAnim, slideOutAnim, slideInAnim, slideOutAnim)
+						.add(R.id.fragmentContainer, fragment, TAG)
+						.addToBackStack(TAG).commitAllowingStateLoss()
+						*/
+
 				var fragment = getFragment(fragmentManager)
 				if (fragment == null) {
 					fragment = LoginDialogFragment()
 					val args = Bundle()
-					for (t in loginDialogType) {
-						args.putBoolean(t.paramKey, true)
+					if (loginDialogType != null) {
+						args.putString(LOGIN_DIALOG_TYPE_PARAM_KEY, loginDialogType.name)
 					}
+					args.putBoolean(SHOW_WELCOME_DIALOG_PARAM_KEY, welcomeDialog)
 					fragment.arguments = args
 					fragment.show(fragmentManager, TAG)
 				} else {
-					fragment.updateDialog(*loginDialogType)
+					var showWelcomeDialog = welcomeDialog
+					if (fragment.showWelcomeDialog) {
+						showWelcomeDialog = fragment.showWelcomeDialog
+					}
+					fragment.updateDialog(loginDialogType, showWelcomeDialog)
 				}
 			} catch (e: RuntimeException) {
 				LOG.error(e)
@@ -57,15 +84,20 @@ class LoginDialogFragment : DialogFragment() {
 		}
 	}
 
-	private var loginDialogActiveTypes: Set<LoginDialogType>? = null
+	private var loginDialogActiveType: LoginDialogType? = null
 
+	private var showWelcomeDialog = false
+	private var showProgress = false
 	private var dismissedManually = false
 
-	enum class LoginDialogType(val paramKey: String, val viewId: Int, val editorId: Int) {
-		ENTER_PHONE_NUMBER(ENTER_PHONE_NUMBER_PARAM_KEY, R.id.enterPhoneNumberLayout, R.id.phoneNumberEditText),
-		ENTER_CODE(ENTER_CODE_PARAM_KEY, R.id.enterCodeLayout, R.id.codeEditText),
-		ENTER_PASSWORD(ENTER_PASSWORD_PARAM_KEY, R.id.enterPasswordLayout, R.id.passwordEditText),
-		SHOW_PROGRESS(SHOW_PROGRESS_PARAM_KEY, R.id.progressLayout, 0);
+	enum class LoginDialogType(val viewId: Int, val editorId: Int,
+							   @StringRes val titleId: Int, @StringRes val descriptionId: Int) {
+		ENTER_PHONE_NUMBER(R.id.enter_phone_number_layout, R.id.phone_number_edit_text,
+				R.string.shared_string_authorization, R.string.shared_string_authorization_descr),
+		ENTER_CODE(R.id.enter_code_layout, R.id.code_edit_text,
+				R.string.enter_code, R.string.authentication_code_descr),
+		ENTER_PASSWORD(R.id.enter_password_layout, R.id.password_edit_text,
+				R.string.enter_password, R.string.password_descr);
 	}
 
 	override fun onCreate(savedInstanceState: Bundle?) {
@@ -77,25 +109,30 @@ class LoginDialogFragment : DialogFragment() {
 	}
 
 	override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-
-		val loginDialogActiveTypes: MutableSet<LoginDialogType> = HashSet()
-
 		val args = savedInstanceState ?: arguments
 		if (args != null) {
-			for (t in LoginDialogType.values()) {
-				if (args.getBoolean(t.paramKey, false)) {
-					loginDialogActiveTypes.add(t)
-				}
+			val loginDialogTypeParam = args.getString(LOGIN_DIALOG_TYPE_PARAM_KEY)
+			if (loginDialogTypeParam != null) {
+				loginDialogActiveType = LoginDialogType.valueOf(loginDialogTypeParam)
 			}
+			showProgress = args.getBoolean(SHOW_PROGRESS_PARAM_KEY, false)
+			showWelcomeDialog = args.getBoolean(SHOW_WELCOME_DIALOG_PARAM_KEY, false)
 		}
-
-		this.loginDialogActiveTypes = loginDialogActiveTypes
-
 		val view = inflater.inflate(R.layout.login_dialog, container)
 		buildDialog(view)
 		return view
 	}
 
+	override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+		return object : Dialog(requireActivity(), theme) {
+			override fun onBackPressed() {
+				if (!dismissedManually) {
+					activity?.finish()
+				}
+			}
+		}
+	}
+
 	override fun onDismiss(dialog: DialogInterface?) {
 		super.onDismiss(dialog)
 		if (!dismissedManually) {
@@ -103,22 +140,46 @@ class LoginDialogFragment : DialogFragment() {
 		}
 	}
 
+	@Suppress("DEPRECATION")
 	private fun buildDialog(view: View?) {
-		val loginDialogActiveTypes = this.loginDialogActiveTypes
-		var hasProgress = false
+		if (showWelcomeDialog) {
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+				view?.findViewById<TextView>(R.id.welcome_descr)?.text = Html.fromHtml(getString(R.string.welcome_descr), android.text.Html.FROM_HTML_MODE_LEGACY)
+			} else {
+				view?.findViewById<TextView>(R.id.welcome_descr)?.text = Html.fromHtml(getString(R.string.welcome_descr))
+			}
+			val continueButton = view?.findViewById<Button>(R.id.welcome_continue_button)
+			continueButton?.setOnClickListener {
+				showWelcomeDialog = false
+				if (loginDialogActiveType == null) {
+					loginDialogActiveType = LoginDialogType.ENTER_PHONE_NUMBER
+					showProgress = true
+				}
+				buildDialog(view)
+			}
+			view?.findViewById<View>(R.id.login_layout)?.visibility = View.GONE
+			view?.findViewById<View>(R.id.welcome_layout)?.visibility = View.VISIBLE
+		} else {
+			view?.findViewById<View>(R.id.login_layout)?.visibility = View.VISIBLE
+			view?.findViewById<View>(R.id.welcome_layout)?.visibility = View.GONE
+		}
+
+		val loginDialogActiveType = this.loginDialogActiveType
 		var focusRequested = false
 		for (t in LoginDialogType.values()) {
 			val layout: View? = view?.findViewById(t.viewId)
-			val contains = loginDialogActiveTypes?.contains(t) ?: false
+			val contains = t == loginDialogActiveType && !showProgress
 			when {
 				contains -> {
-					if (t == LoginDialogType.SHOW_PROGRESS) {
-						hasProgress = true
-					}
 					if (layout != null) {
+						val titleView: TextView? = view.findViewById(R.id.login_title)
+						val descriptionView: TextView? = view.findViewById(R.id.login_description)
+						titleView?.text = getText(t.titleId)
+						descriptionView?.text = getText(t.descriptionId)
+
 						layout.visibility = View.VISIBLE
-						val editText: EditText? = layout.findViewById(t.editorId)
-						if (editText != null) {
+						val editText: ExtendedEditText? = layout.findViewById(t.editorId)
+						if (editText != null && !showWelcomeDialog) {
 							editText.setOnEditorActionListener { _, actionId, _ ->
 								if (actionId == EditorInfo.IME_ACTION_DONE) {
 									applyAuthParam(t, editText.text.toString())
@@ -127,7 +188,7 @@ class LoginDialogFragment : DialogFragment() {
 								false
 							}
 							if (!focusRequested) {
-								editText.requestFocus()
+								editText.setSelection(editText.length())
 								AndroidUtils.softKeyboardDelayed(editText)
 								focusRequested = true
 							}
@@ -136,30 +197,39 @@ class LoginDialogFragment : DialogFragment() {
 				}
 				else -> layout?.visibility = View.GONE
 			}
+			val progressView: View? = view?.findViewById(R.id.progress_layout)
+			if (showProgress) {
+				progressView?.visibility = View.VISIBLE
+			} else {
+				progressView?.visibility = View.GONE
+			}
 		}
-		val continueButton: Button? = view?.findViewById(R.id.continueButton)
+		val continueButton: Button? = view?.findViewById(R.id.continue_button)
 		if (continueButton != null) {
-			continueButton.isEnabled = !hasProgress
-			if (hasProgress) {
+			continueButton.isEnabled = !showProgress
+			if (showProgress) {
 				continueButton.setOnClickListener(null)
 			} else {
 				continueButton.setOnClickListener {
 					for (t in LoginDialogType.values()) {
 						val layout: View? = view.findViewById(t.viewId)
-						val contains = loginDialogActiveTypes?.contains(t) ?: false
+						val contains = t == loginDialogActiveType
 						if (contains && layout != null) {
-							val editText: EditText? = layout.findViewById(t.editorId)
-							if (editText != null) {
-								applyAuthParam(t, editText.text.toString())
+							val editText: ExtendedEditText? = layout.findViewById(t.editorId)
+							val text = editText?.text.toString()
+							if (!TextUtils.isEmpty(text) && text.length > 1) {
+								applyAuthParam(t, text)
 							}
 						}
 					}
 				}
 			}
 		}
-		val cancelButton: Button? = view?.findViewById(R.id.calcelButton)
+		val cancelButton: AppCompatImageView? = view?.findViewById(R.id.back_button)
+		cancelButton?.visibility = if (loginDialogActiveType == LoginDialogType.ENTER_PHONE_NUMBER) View.INVISIBLE else View.VISIBLE
 		cancelButton?.setOnClickListener {
-			dismiss()
+			showProgress()
+			getMainActivity()?.loginTelegram()
 		}
 	}
 
@@ -169,12 +239,12 @@ class LoginDialogFragment : DialogFragment() {
 
 	override fun onSaveInstanceState(outState: Bundle) {
 		super.onSaveInstanceState(outState)
-		val loginDialogActiveTypes = this.loginDialogActiveTypes
-		if (loginDialogActiveTypes != null) {
-			for (t in loginDialogActiveTypes) {
-				outState.putBoolean(t.paramKey, true)
-			}
+		val loginDialogActiveType = this.loginDialogActiveType
+		if (loginDialogActiveType != null) {
+			outState.putString(LOGIN_DIALOG_TYPE_PARAM_KEY, loginDialogActiveType.name)
 		}
+		outState.putBoolean(SHOW_PROGRESS_PARAM_KEY, showProgress)
+		outState.putBoolean(SHOW_WELCOME_DIALOG_PARAM_KEY, showWelcomeDialog)
 	}
 
 	private fun getMainActivity(): MainActivity? {
@@ -186,13 +256,15 @@ class LoginDialogFragment : DialogFragment() {
 		}
 	}
 
-	fun updateDialog(vararg loginDialogType: LoginDialogType) {
-		val loginDialogActiveTypes: MutableSet<LoginDialogType> = HashSet()
-		for (t in loginDialogType) {
-			loginDialogActiveTypes.add(t)
-		}
-		this.loginDialogActiveTypes = loginDialogActiveTypes
+	private fun updateDialog(loginDialogType: LoginDialogType? = null, welcomeDialog: Boolean = false) {
+		this.loginDialogActiveType = loginDialogType
+		showProgress = false
+		showWelcomeDialog = welcomeDialog
+		buildDialog(view)
+	}
 
+	fun showProgress() {
+		showProgress = true
 		buildDialog(view)
 	}
 }
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/MainActivity.kt b/OsmAnd-telegram/src/net/osmand/telegram/MainActivity.kt
index 5bc51cf9ab..7966b67f01 100644
--- a/OsmAnd-telegram/src/net/osmand/telegram/MainActivity.kt
+++ b/OsmAnd-telegram/src/net/osmand/telegram/MainActivity.kt
@@ -66,7 +66,10 @@ class MainActivity : AppCompatActivity(), TelegramListener {
 
 			// specify an viewAdapter (see also next example)
 			adapter = chatViewAdapter
+		}
 
+		if (!LoginDialogFragment.welcomeDialogShown) {
+			LoginDialogFragment.showWelcomeDialog(supportFragmentManager)
 		}
 
 		telegramAuthorizationRequestHandler = telegramHelper.setTelegramAuthorizationRequestHandler(object : TelegramAuthorizationRequestListener {
@@ -132,9 +135,7 @@ class MainActivity : AppCompatActivity(), TelegramListener {
 		runOnUi {
 			val fm = supportFragmentManager
 			when (newTelegramAuthorizationState) {
-				TelegramAuthorizationState.READY,
-				TelegramAuthorizationState.CLOSED,
-				TelegramAuthorizationState.UNKNOWN -> LoginDialogFragment.dismiss(fm)
+				TelegramAuthorizationState.READY -> LoginDialogFragment.dismiss(fm)
 				else -> Unit
 			}
 			invalidateOptionsMenu()
@@ -216,6 +217,13 @@ class MainActivity : AppCompatActivity(), TelegramListener {
 		}
 	}
 
+	fun loginTelegram() {
+		if (telegramHelper.getTelegramAuthorizationState() != TelegramAuthorizationState.CLOSED) {
+			telegramHelper.logout()
+		}
+		telegramHelper.init()
+	}
+
 	fun logoutTelegram(silent: Boolean = false) {
 		if (telegramHelper.getTelegramAuthorizationState() == TelegramAuthorizationState.READY) {
 			telegramHelper.logout()
@@ -241,7 +249,7 @@ class MainActivity : AppCompatActivity(), TelegramListener {
 	override fun onOptionsItemSelected(item: MenuItem?): Boolean {
 		return when (item?.itemId) {
 			LOGIN_MENU_ID -> {
-				telegramHelper.init()
+				loginTelegram()
 				true
 			}
 			LOGOUT_MENU_ID -> {
@@ -312,12 +320,11 @@ class MainActivity : AppCompatActivity(), TelegramListener {
 	}
 
 	fun applyAuthParam(loginDialogFragment: LoginDialogFragment?, loginDialogType: LoginDialogType, text: String) {
-		loginDialogFragment?.updateDialog(LoginDialogType.SHOW_PROGRESS)
+		loginDialogFragment?.showProgress()
 		when (loginDialogType) {
 			LoginDialogType.ENTER_PHONE_NUMBER -> telegramAuthorizationRequestHandler?.applyAuthenticationParameter(TelegramAuthenticationParameterType.PHONE_NUMBER, text)
 			LoginDialogType.ENTER_CODE -> telegramAuthorizationRequestHandler?.applyAuthenticationParameter(TelegramAuthenticationParameterType.CODE, text)
 			LoginDialogType.ENTER_PASSWORD -> telegramAuthorizationRequestHandler?.applyAuthenticationParameter(TelegramAuthenticationParameterType.PASSWORD, text)
-			else -> Unit
 		}
 	}
 
@@ -351,11 +358,11 @@ class MainActivity : AppCompatActivity(), TelegramListener {
 			val builder = AlertDialog.Builder(requireContext())
 			builder.setView(R.layout.install_osmand_dialog)
 					.setNegativeButton("Cancel", null)
-					.setPositiveButton("Install", { _, _ ->
+					.setPositiveButton("Install") { _, _ ->
 						val intent = Intent()
 						intent.data = Uri.parse("market://details?id=net.osmand.plus")
 						startActivity(intent)
-					})
+					}
 			return builder.create()
 		}
 	}
diff --git a/OsmAnd-telegram/src/net/osmand/telegram/utils/AndroidUtils.kt b/OsmAnd-telegram/src/net/osmand/telegram/utils/AndroidUtils.kt
index 6f089c80a9..2e257b3a05 100644
--- a/OsmAnd-telegram/src/net/osmand/telegram/utils/AndroidUtils.kt
+++ b/OsmAnd-telegram/src/net/osmand/telegram/utils/AndroidUtils.kt
@@ -25,6 +25,7 @@ object AndroidUtils {
 
 	fun softKeyboardDelayed(view: View) {
 		view.post {
+			view.requestFocus()
 			if (!isHardwareKeyboardAvailable(view.context)) {
 				val imm = view.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager?
 				imm?.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT)