simplify nav bar color set

apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexApp.kt

@@ -1,5 +1,7 @@
 package chat.simplex.app
 
+import android.animation.ArgbEvaluator
+import android.animation.ObjectAnimator
 import android.annotation.SuppressLint
 import android.app.*
 import android.content.Context
@@ -8,6 +10,7 @@ import android.content.Intent
 import android.content.pm.ActivityInfo
 import android.os.*
 import android.view.View
+import androidx.compose.animation.core.*
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.ui.graphics.Color
@@ -260,7 +263,6 @@ class SimplexApp: Application(), LifecycleEventObserver {
 
       override fun androidSetNightModeIfSupported() {
         if (Build.VERSION.SDK_INT < 31) return
-
         val light = if (CurrentColors.value.name == DefaultTheme.SYSTEM_THEME_NAME) {
           null
         } else {
@@ -275,6 +277,21 @@ class SimplexApp: Application(), LifecycleEventObserver {
         uiModeManager.setApplicationNightMode(mode)
       }
 
+      override fun androidSetStatusBarColor(isLight: Boolean, animatedColor: Animatable<Color, AnimationVector4D>) {
+        val window = mainActivity.get()?.window ?: return
+
+        @Suppress("DEPRECATION")
+        val windowInsetController = ViewCompat.getWindowInsetsController(window.decorView)
+        // Animate to the target color
+        //animatedColor.animateTo(targetColor, spec)
+        // Set the status bar color to the animated color
+        window.statusBarColor = animatedColor.value.toArgb()
+        // Update light status bar appearance if necessary
+        if (windowInsetController?.isAppearanceLightStatusBars != isLight) {
+          windowInsetController?.isAppearanceLightStatusBars = isLight
+        }
+    }
+
       override fun androidSetStatusAndNavBarColors(isLight: Boolean, backgroundColor: Color, hasTop: Boolean, hasBottom: Boolean) {
         val window = mainActivity.get()?.window ?: return
         @Suppress("DEPRECATION")

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Platform.kt

@@ -1,7 +1,6 @@
 package chat.simplex.common.platform
 
-import androidx.compose.animation.core.Animatable
-import androidx.compose.animation.core.AnimationVector1D
+import androidx.compose.animation.core.*
 import androidx.compose.foundation.ScrollState
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.runtime.*
@@ -22,6 +21,7 @@ interface PlatformInterface {
   fun androidIsBackgroundCallAllowed(): Boolean = true
   fun androidSetNightModeIfSupported() {}
   fun androidSetStatusAndNavBarColors(isLight: Boolean, backgroundColor: Color, hasTop: Boolean, hasBottom: Boolean) {}
+  fun androidSetStatusBarColor(isLight: Boolean, animatedColor: Animatable<Color, AnimationVector4D>) {}
   fun androidStartCallActivity(acceptCall: Boolean, remoteHostId: Long? = null, chatId: ChatId? = null) {}
   fun androidPictureInPictureAllowed(): Boolean = true
   fun androidCallEnded() {}

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chatlist/UserPicker.kt

@@ -348,10 +348,14 @@ fun UserPicker(
   LaunchedEffect(Unit) {
     snapshotFlow { newChat.isVisible() }
       .distinctUntilChanged()
-      .filter { !it }
-      .collect {
+      .collect { visible ->
         val c = CurrentColors.value.colors
-        platform.androidSetStatusAndNavBarColors(c.isLight, c.background, !appPrefs.oneHandUI.get(), appPrefs.oneHandUI.get())
+
+        if (visible) {
+          platform.androidSetStatusAndNavBarColors(c.isLight, c.surface, !appPrefs.oneHandUI.get(), false)
+        } else {
+          platform.androidSetStatusAndNavBarColors(c.isLight, c.background, !appPrefs.oneHandUI.get(), appPrefs.oneHandUI.get())
+        }
       }
   }
 
@@ -359,7 +363,7 @@ fun UserPicker(
     snapshotFlow { currentTheme }
       .distinctUntilChanged()
       .collect { _ ->
-        platform.androidSetStatusAndNavBarColors(CurrentColors.value.colors.isLight, CurrentColors.value.colors.surface, false, false)
+        platform.androidSetStatusAndNavBarColors(CurrentColors.value.colors.isLight, CurrentColors.value.colors.surface, !appPrefs.oneHandUI.get(), false)
       }
   }
   LaunchedEffect(Unit) {
@@ -367,7 +371,6 @@ fun UserPicker(
       .distinctUntilChanged()
       .filter { it }
       .collect {
-        platform.androidSetStatusAndNavBarColors(CurrentColors.value.colors.isLight, CurrentColors.value.colors.surface, false, false)
         try {
           val updatedUsers = chatModel.controller.listUsers(chatModel.remoteHostId()).sortedByDescending { it.user.activeUser }
           var same = users.size == updatedUsers.size