/* * Copyright (C) 2024 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.example.tracing.demo.ui.theme import android.app.Activity import android.os.Build import androidx.compose.foundation.isSystemInDarkTheme import androidx.compose.material3.MaterialTheme import androidx.compose.material3.darkColorScheme import androidx.compose.material3.dynamicDarkColorScheme import androidx.compose.material3.dynamicLightColorScheme import androidx.compose.material3.lightColorScheme import androidx.compose.runtime.Composable import androidx.compose.runtime.SideEffect import androidx.compose.ui.graphics.Color import androidx.compose.ui.graphics.toArgb import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.platform.LocalView import androidx.core.view.ViewCompat private val DarkColorScheme = darkColorScheme(surface = Blue, onSurface = Navy, primary = Navy, onPrimary = Chartreuse) private val LightColorScheme = lightColorScheme(surface = Blue, onSurface = Color.White, primary = LightBlue, onPrimary = Navy) @Suppress("DEPRECATION") @Composable fun BasicsCodelabTheme( darkTheme: Boolean = isSystemInDarkTheme(), // Dynamic color is available on Android 12+ dynamicColor: Boolean = true, content: @Composable () -> Unit, ) { val colorScheme = when { dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> { val context = LocalContext.current if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context) } darkTheme -> DarkColorScheme else -> LightColorScheme } val view = LocalView.current if (!view.isInEditMode) { SideEffect { (view.context as Activity).window.statusBarColor = colorScheme.primary.toArgb() ViewCompat.getWindowInsetsController(view)?.isAppearanceLightStatusBars = darkTheme } } MaterialTheme(colorScheme = colorScheme, typography = Typography, content = content) }