ui: use material 3

Author: superus8r

app/src/main/res/layout/activity_main.xml

@@ -12,6 +12,7 @@
         android:id="@+id/app_bar"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:background="?attr/colorPrimary"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent">
@@ -21,6 +22,7 @@
             style="@style/Widget.MaterialComponents.Toolbar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:background="?attr/colorPrimary"
             app:titleTextColor="@android:color/white"
             app:navigationIconTint="@android:color/white" />
 

app/src/main/res/values-v29/styles.xml

@@ -0,0 +1,12 @@
+<resources>
+    <!-- API 29+: disable forced contrast scrims on system bars -->
+    <style name="UsbTerminalTheme" parent="@style/AppTheme.Base">
+        <item name="android:enforceStatusBarContrast">false</item>
+        <item name="android:enforceNavigationBarContrast">false</item>
+    </style>
+
+    <style name="SettingModalBottomSheetTheme" parent="@style/ModalBottomSheetTheme.Base">
+        <item name="android:enforceStatusBarContrast">false</item>
+        <item name="android:enforceNavigationBarContrast">false</item>
+    </style>
+</resources>

app/src/main/res/values/styles.xml

@@ -1,7 +1,7 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
 
     <!-- Base application theme. -->
-    <style name="AppTheme.Base" parent="Theme.AppCompat.DayNight.DarkActionBar">
+    <style name="AppTheme.Base" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <!-- Ensure status bar tone matches app bar exactly -->
@@ -10,29 +10,16 @@
 
         <item name="android:textColorPrimary">@color/textColorPrimary</item>
         <item name="android:textColorSecondary">@color/textColorSecondary</item>
-
-        <!-- Make the status bar match the app bar color -->
-        <item name="android:statusBarColor">?attr/colorPrimary</item>
-        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
     </style>
 
     <!-- App theme alias; v23 will override this to add icon contrast -->
     <style name="UsbTerminalTheme" parent="@style/AppTheme.Base" />
 
-    <style name="ModalBottomSheet" parent="@style/Widget.MaterialComponents.BottomSheet.Modal">
-        <!-- Tint ensures Material background matches day/night color -->
-        <item name="backgroundTint">@color/bg_modal_bottom_sheet</item>
-        <item name="android:background">@drawable/bg_modal_bottom_sheet</item>
-    </style>
-
     <!-- Common items for the bottom sheet theme -->
-    <style name="ModalBottomSheetTheme.Base" parent="Theme.MaterialComponents.BottomSheetDialog">
-        <!-- Match activity/app bar color for a unified look -->
-        <item name="android:statusBarColor">?attr/colorPrimary</item>
+    <style name="ModalBottomSheetTheme.Base" parent="Theme.Material3.DayNight.BottomSheetDialog">
+        <!-- Edge-to-edge for modal as well; host handles coloring -->
         <item name="android:navigationBarColor">@color/bg_modal_bottom_sheet</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>
-        <item name="android:windowIsFloating">false</item>
-        <item name="bottomSheetStyle">@style/ModalBottomSheet</item>
     </style>
 
     <!-- Day variant adds light nav bar icons -->