theming: respect user current color scheme

kivymd/theming.py

@@ -45,7 +45,10 @@
 from kivymd.dynamic_color import DynamicColor
 from kivymd.font_definitions import theme_font_styles
 from kivymd.material_resources import DEVICE_IOS
-from kivymd.utils.get_wallpaper import get_wallpaper
+from kivymd.utils.wallpaper import (
+    get_wallpaper,
+    get_pregenerated_color_and_scheme,
+)
 
 from PIL import Image
 
@@ -54,6 +57,12 @@
     MaterialDynamicColors,
 )
 from materialyoucolor.scheme.scheme_tonal_spot import SchemeTonalSpot
+from materialyoucolor.scheme.scheme_expressive import SchemeExpressive
+from materialyoucolor.scheme.scheme_fruit_salad import SchemeFruitSalad
+from materialyoucolor.scheme.scheme_monochrome import SchemeMonochrome
+from materialyoucolor.scheme.scheme_rainbow import SchemeRainbow
+from materialyoucolor.scheme.scheme_vibrant import SchemeVibrant
+from materialyoucolor.scheme.scheme_neutral import SchemeNeutral
 from materialyoucolor.hct import Hct
 from materialyoucolor.quantize import QuantizeCelebi
 from materialyoucolor.score.score import Score
@@ -150,7 +159,8 @@ def build(self):
 
     dynamic_color_quality = NumericProperty(1 if platform == "android" else 10)
     """
-    The quality of the generated color scheme from the system wallpaper.
+    The quality of the generated color scheme from the system wallpaper. 
+    It is equal to or higher than `1`, with `1` representing the maximum quality.
 
     .. warning::
 
@@ -466,6 +476,8 @@ def on_start(*args):
     and defaults to `'Light'`.
     """
 
+    _android_api_scheme = {}
+
     def _get_theme_style(self, opposite: bool) -> str:
         if opposite:
             return "Light" if self.theme_style == "Dark" else "Dark"
@@ -645,24 +657,46 @@ def set_colors(self, *args) -> None:
             else:
                 self._set_palette_color()
         else:
-            path_to_wallpaper = get_wallpaper(
-                App.get_running_app().user_data_dir, self.path_to_wallpaper
-            )
-            if path_to_wallpaper:
-                size_wallpaper = os.path.getsize(path_to_wallpaper)
-                if size_wallpaper != self._size_current_wallpaper:
-                    self._size_current_wallpaper = os.path.getsize(
-                        path_to_wallpaper
-                    )
-                    self._set_dynamic_color(path_to_wallpaper)
+            self._android_api_scheme = {"color": None}
+
+            # First check android default theme
+            if platform == "android":
+                self._android_api_scheme = get_pregenerated_color_and_scheme()
+
+            if self._android_api_scheme["color"] is None:
+                path_to_wallpaper = get_wallpaper(
+                    App.get_running_app().user_data_dir, self.path_to_wallpaper
+                )
+                if path_to_wallpaper:
+                    size_wallpaper = os.path.getsize(path_to_wallpaper)
+                    if size_wallpaper != self._size_current_wallpaper:
+                        self._size_current_wallpaper = os.path.getsize(
+                            path_to_wallpaper
+                        )
+                        self._set_dynamic_color(path_to_wallpaper)
+                    else:
+                        Logger.info(
+                            "KivyMD: "
+                            f"Color scheme generated. The color scheme of these "
+                            f"wallpapers has already been generated. Skip it."
+                        )
                 else:
-                    Logger.info(
-                        "KivyMD: "
-                        f"Color scheme generation. The color scheme of these "
-                        f"wallpapers has already been generated. Skip it."
-                    )
+                    self._set_palette_color()
             else:
-                self._set_palette_color()
+                # No color generation needed
+                self._set_application_scheme(
+                    color=self._android_api_scheme["color"],
+                    scheme={
+                        "TONAL_SPOT": SchemeTonalSpot,
+                        "SPRITZ": SchemeNeutral,
+                        "VIBRANT": SchemeVibrant,
+                        "EXPRESSIVE": SchemeExpressive,
+                        "FRUIT_SALAD": SchemeFruitSalad,
+                        "RAINBOW": SchemeRainbow,
+                        "MONOCHROME": SchemeMonochrome,
+                    }[self._android_api_scheme["parsed_scheme"]],
+                    is_android_generated=True,
+                )
 
     def update_theme_colors(self, *args) -> None:
         """Fired when the `theme_style` value changes."""
@@ -713,7 +747,11 @@ def _set_dynamic_color(self, path_to_wallpaper: str) -> None:
         self._set_application_scheme(color=selected[0])
 
     def _set_application_scheme(
-        self, default_color: str = None, color: int = None
+        self,
+        default_color: str = None,
+        color: int = None,
+        scheme=SchemeTonalSpot,
+        is_android_generated=False,
     ) -> None:
         # Default blue of Google.
         start_time = default_timer()
@@ -725,7 +763,7 @@ def _set_application_scheme(
             )
             color = argb_from_rgb(*[c * 255 for c in color[:-1]])
 
-        scheme = SchemeTonalSpot(
+        scheme = scheme(
             Hct.from_int(color),  # the color of current theme in int form
             False if self.theme_style == "Light" else True,  # dark mode
             0.0,  # contrast level
@@ -739,11 +777,11 @@ def _set_application_scheme(
 
         self.disabledTextColor = self._get_disabled_hint_text_color()
         end_time = default_timer()
-
+        
         Logger.info(
-            "KivyMD: "
-            f"Color scheme generation. Get a color scheme from an installed "
-            f"palette - {end_time - start_time} sec."
+            "KivyMD: Color scheme generated. Get a color scheme using "
+            + ("an installed palette" if not is_android_generated else "android api")
+            + f"- {end_time - start_time} sec."
         )
 
     def _set_palette_color(self) -> None:

kivymd/uix/textfield/textfield.py

@@ -1351,7 +1351,7 @@ def set_text(*args):
                 self.text and not self.focus
             ):
                 self.on_focus(instance, False)
-
+        # set_text()
         Clock.schedule_once(set_text)
 
     def on_focus(self, instance, focus: bool) -> None: