added new "about" screen

installer/android/src/version

@@ -1 +1 @@
-1.15.241
+1.17.243

src/components/main_win.kv

@@ -121,6 +121,21 @@
                         app.main_window.nav().set_state("close")
                         app.main_window.select_screen('settings_screen', verify_state=True)
 
+            OneLineIconListItem:
+                id: menu_item_about
+                text: "about"
+                on_release:
+                    app.main_window.nav().set_state("close")
+                    app.main_window.select_screen('about_screen', verify_state=True)
+                CustomIconPackLeftWidget:
+                    icon: "information-outline"
+                    icon_size: "32sp"
+                    md_bg_color: app.color_transparent
+                    md_bg_color_disabled: app.color_transparent
+                    on_release:
+                        app.main_window.nav().set_state("close")
+                        app.main_window.select_screen('about_screen', verify_state=True)
+
 
 <MainWin>:
     id: main_win

src/components/main_win.py

@@ -129,14 +129,14 @@ def is_screen_selectable(self, screen_id):
         if not self.control:
             return False
         if self.state_process_health != 1:
-            return screen_id in ['engine_status_screen', 'startup_screen', 'welcome_screen', ]
+            return screen_id in ['engine_status_screen', 'startup_screen', 'welcome_screen', 'about_screen', ]
         if self.state_identity_get != 1:
             return screen_id in ['engine_status_screen', 'startup_screen', 'welcome_screen', 'settings_screen',
-                                 'my_id_screen', 'new_identity_screen', 'recover_identity_screen', ]
+                                 'my_id_screen', 'new_identity_screen', 'recover_identity_screen', 'about_screen', ]
         if self.state_network_connected != 1:
             return screen_id in ['engine_status_screen', 'startup_screen', 'welcome_screen',
                                  'connecting_screen', 'settings_screen',
-                                 'my_id_screen', 'new_identity_screen', 'recover_identity_screen', ]
+                                 'my_id_screen', 'new_identity_screen', 'recover_identity_screen', 'about_screen', ]
         return True
 
     def update_menu_items(self):

src/screens/controller.py

@@ -51,6 +51,8 @@ def all_screens():
             f'{KV_FILES_BASE}screens/screen_settings.kv', 'screens.screen_settings', 'SettingsScreen', ),
         'my_id_screen': (
             f'{KV_FILES_BASE}screens/screen_my_id.kv', 'screens.screen_my_id', 'MyIDScreen', ),
+        'about_screen': (
+            f'{KV_FILES_BASE}screens/screen_about.kv', 'screens.screen_about', 'AboutScreen', ),
         'search_people_screen': (
             f'{KV_FILES_BASE}screens/screen_search_people.kv', 'screens.screen_search_people', 'SearchPeopleScreen', ),
         'friends_screen': (
@@ -99,6 +101,7 @@ def identity_missing_screens_list():
         'recover_identity_screen',
         'settings_screen',
         'my_id_screen',
+        'about_screen',
     ]
 
 #------------------------------------------------------------------------------

src/screens/screen_about.kv

@@ -0,0 +1,42 @@
+<AboutScreen>:
+
+    ScreenContainerLayout:
+
+        TopEmptyScreenSpace:
+
+        AppScreenLayout:
+
+            AutomatShortStatusPanel:
+                id: state_panel
+                size_hint_x: 1
+                statuses: root.get_statuses()
+
+            VerticalScrollView:
+
+                VerticalWithPaddingLayout:
+                    size_hint: None, None
+                    pos_hint: {"top": 1}
+                    height: self.minimum_height
+                    width: root.width - app.scroll_bar_width
+
+                    VFixedEmptySpace:
+
+                    Image:
+                        size_hint: None, None
+                        width: dp(300)
+                        height: dp(72)
+                        pos_hint: {"left": 1, "top": 1}
+                        allow_stretch: True
+                        keep_ratio: True
+                        source: "./src/images/bitdust_logo.png"
+
+                    MarkupLabel:
+                        id: about_text
+                        size_hint_y: None
+                        text_size: self.width, None
+                        height: self.texture_size[1]
+                        color: app.color_black
+                        text: ""
+                        on_ref_press: root.on_about_text_ref_pressed(*args)
+
+        BottomEmptyScreenSpace:

src/screens/screen_about.py

@@ -0,0 +1,61 @@
+import webbrowser
+
+from components import screen
+
+#------------------------------------------------------------------------------
+
+_Debug = False
+
+#------------------------------------------------------------------------------
+
+about_temlate_text = """
+BitDust is an [u][color=#0000ff][ref=github_link]open-source[/ref][/color][/u] project of a worldwide distributed network that is aiming to provide online storage, safe personal communications and full control of your own private data.
+
+The BitDist p2p-app is a peer-to-peer application which provides secure distributed data storage and safe private communications.
+
+This is a story about respecting the digital freedoms of all people on this planet and taking full control over our own personal data that we send and receive over the Internet.
+
+We are currently with a small team primarily focusing on the development and supporting the BitDust project and community.
+
+More about the project you can read on [u][color=#0000ff][ref=web_site_link]www.bitdust.io[/ref][/color][/u].
+
+Also you can give us your feedback about the BitDust p2p-app or report a bug directly via that [u][color=#0000ff][ref=feedback_link]link[/ref][/color][/u].
+"""
+
+#------------------------------------------------------------------------------
+
+class AboutScreen(screen.AppScreen):
+
+    def get_title(self):
+        return 'about'
+
+    def get_statuses(self):
+        return {
+            None: 'main process is not started yet',
+            'AT_STARTUP': 'starting the application',
+            'LOCAL': 'initializing local environment',
+            'MODULES': 'starting sub-modules',
+            'INSTALL': 'installing application',
+            'READY': 'application is ready',
+            'STOPPING': 'application is shutting down',
+            'SERVICES': 'starting network services',
+            'INTERFACES': 'starting application interfaces',
+            'EXIT': 'application is closed',
+        }
+
+    def on_enter(self, *args):
+        self.ids.state_panel.attach(automat_id='initializer')
+        self.ids.about_text.text = about_temlate_text.format()
+
+    def on_leave(self, *args):
+        self.ids.state_panel.release()
+
+    def on_about_text_ref_pressed(self, *args):
+        if _Debug:
+            print('AboutScreen.on_about_text_ref_pressed', args)
+        if args[1] == 'github_link':
+            webbrowser.open('https://github.com/bitdust-io')
+        elif args[1] == 'web_site_link':
+            webbrowser.open('https://bitdust.io')
+        elif args[1] == 'feedback_link':
+            webbrowser.open('https://forms.gle/RkJW3L7NTamZ5K8m6')