Organize files into packages

app/src/main/java/bbct/android/MainActivity.kt

@@ -4,6 +4,7 @@ import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
+import bbct.android.ui.App
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {

app/src/main/java/bbct/android/BaseballCard.kt → app/src/main/java/bbct/android/data/BaseballCard.kt

@@ -1,4 +1,4 @@
-package bbct.android
+package bbct.android.data
 
 data class BaseballCard(
     val id: Int,

app/src/main/java/bbct/android/App.kt → app/src/main/java/bbct/android/ui/App.kt

@@ -1,4 +1,4 @@
-package bbct.android
+package bbct.android.ui
 
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
@@ -19,6 +19,9 @@ import androidx.navigation.NavController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
+import bbct.android.R
+import bbct.android.ui.navigation.BaseballCardDetailsDestination
+import bbct.android.ui.navigation.BaseballCardListDestination
 import bbct.android.ui.theme.AppTheme
 
 @Composable

app/src/main/java/bbct/android/BaseballCardDetailsScreen.kt → app/src/main/java/bbct/android/ui/BaseballCardDetailsScreen.kt

@@ -1,4 +1,4 @@
-package bbct.android
+package bbct.android.ui
 
 import android.content.Context
 import androidx.compose.foundation.layout.Column
@@ -18,6 +18,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import bbct.android.R
 
 data class BaseballCardState(
     var autographed: Boolean = false,

app/src/main/java/bbct/android/BaseballCardListScreen.kt → app/src/main/java/bbct/android/ui/BaseballCardListScreen.kt

@@ -1,11 +1,12 @@
-package bbct.android
+package bbct.android.ui
 
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import bbct.android.data.BaseballCard
 
 val cards = listOf(
     BaseballCard(

app/src/main/java/bbct/android/Destinations.kt → app/src/main/java/bbct/android/ui/navigation/Destinations.kt

@@ -1,6 +1,8 @@
-package bbct.android
+package bbct.android.ui.navigation
 
 import androidx.compose.runtime.Composable
+import bbct.android.ui.BaseballCardDetailsScreen
+import bbct.android.ui.BaseballCardListScreen
 
 interface Destination {
     val route: String