[Jetcaster] Migrate from M2 to M3.

Jetcaster/README.md

@@ -3,7 +3,7 @@
 # Jetcaster sample 🎙️
 
 Jetcaster is a sample podcast app, built with [Jetpack Compose][compose]. The goal of the sample is to
-showcase dynamic theming and full featured architecture.
+showcase building with Compose across multiple form factors and full featured architecture.
 
 To try out this sample app, use the latest stable version
 of [Android Studio](https://developer.android.com/studio).
@@ -14,7 +14,7 @@ project from Android Studio following the steps
 ### Status: 🚧 In progress 🚧
 
 Jetcaster is still in the early stages of development, and as such only one screen has been created so far. However,
-most of the app's architecture has been implemented, as well as the data layer, and early stages of dynamic theming.
+most of the app's architecture has been implemented as well as the data layer.
 
 
 ## Screenshots
@@ -36,29 +36,6 @@ The player screen layout is adapting to different form factors, including a tabl
 
 <img src="docs/tabletop.png"/>
 
-### Dynamic theming
-The home screen currently implements dynamic theming, using the artwork of the currently selected podcast from the carousel to  update the  `primary` and `onPrimary` [colors](https://developer.android.com/reference/kotlin/androidx/compose/material/Colors). You can see it in action in the screenshots above: as the carousel item is changed, the background gradient is updated to match the artwork.
-
-This is implemented in [`DynamicTheming.kt`](app/src/main/java/com/example/jetcaster/util/DynamicTheming.kt), which provides the `DynamicThemePrimaryColorsFromImage` composable, to automatically animate the theme colors based on the provided image URL, like so:
-
-``` kotlin
-val dominantColorState: DominantColorState = rememberDominantColorState()
-
-DynamicThemePrimaryColorsFromImage(dominantColorState) {
-    var imageUrl = remember { mutableStateOf("") }
-
-    // When the image url changes, call updateColorsFromImageUrl()
-    launchInComposition(imageUrl) {
-        dominantColorState.updateColorsFromImageUrl(imageUrl)
-    }
-
-    // Content which will be dynamically themed....
-}
-```
-
-Underneath, [`DominantColorState`](app/src/main/java/com/example/jetcaster/util/DynamicTheming.kt) uses the [Coil][coil] library to fetch the artwork image 🖼️, and then [Palette][palette] to extract the dominant colors from the image 🎨.
-
-
 ### Others
 Some other notable things which are implemented:
 

Jetcaster/app/build.gradle.kts

@@ -100,9 +100,8 @@ dependencies {
     implementation(libs.androidx.constraintlayout.compose)
 
     implementation(libs.androidx.compose.foundation)
-    implementation(libs.androidx.compose.material)
     implementation(libs.androidx.compose.material3)
-    implementation(libs.androidx.compose.materialWindow)
+    implementation(libs.androidx.compose.material3.window)
     implementation(libs.androidx.compose.material.iconsExtended)
     implementation(libs.androidx.compose.ui.tooling.preview)
     debugImplementation(libs.androidx.compose.ui.tooling)

Jetcaster/app/src/main/java/com/example/jetcaster/ui/JetcasterApp.kt

@@ -16,9 +16,9 @@
 
 package com.example.jetcaster.ui
 
-import androidx.compose.material.AlertDialog
-import androidx.compose.material.Text
-import androidx.compose.material.TextButton
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
 import androidx.compose.material3.windowsizeclass.WindowSizeClass
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.res.stringResource

Jetcaster/app/src/main/java/com/example/jetcaster/ui/MainActivity.kt

@@ -16,10 +16,8 @@
 
 package com.example.jetcaster.ui
 
-import android.graphics.Color
 import android.os.Bundle
 import androidx.activity.ComponentActivity
-import androidx.activity.SystemBarStyle
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.compose.material3.windowsizeclass.ExperimentalMaterial3WindowSizeClassApi
@@ -32,10 +30,7 @@ class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        enableEdgeToEdge(
-            // This app is only ever in dark mode, so hard code detectDarkMode to true.
-            SystemBarStyle.auto(Color.TRANSPARENT, Color.TRANSPARENT, detectDarkMode = { true })
-        )
+        enableEdgeToEdge()
 
         setContent {
             val windowSizeClass = calculateWindowSizeClass(this)