📸 Code for generating screenshots

app/src/main/java/com/lorenzovainigli/foodexpirationdates/view/Navigation.kt

@@ -22,12 +22,13 @@ import com.lorenzovainigli.foodexpirationdates.view.composable.screen.SettingsSc
 fun Navigation(
  activity: MainActivity? = null,
  navController: NavHostController,
+ startDestination: String = Screen.MainScreen.route,
  showSnackbar: MutableState<Boolean>
 ) {
  NavHost(
  modifier = Modifier.fillMaxSize(),
  navController = navController,
- startDestination = Screen.MainScreen.route
+ startDestination = startDestination
  ) {
  composable(route = Screen.MainScreen.route) {
  MainScreen(

app/src/main/java/com/lorenzovainigli/foodexpirationdates/view/composable/MyBottomAppBar.kt

@@ -16,7 +16,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.tooling.preview.PreviewLightDark
-import androidx.navigation.NavBackStackEntry
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.rememberNavController
 import com.lorenzovainigli.foodexpirationdates.R
@@ -27,7 +26,7 @@ import com.lorenzovainigli.foodexpirationdates.view.preview.LanguagePreviews
 @Composable
 fun MyBottomAppBar(
  navController: NavHostController,
- currentBackStackEntry: NavBackStackEntry?
+ currentDestination: String?
 ){
  val navigationItems = listOf(
  NavigationItem(
@@ -50,7 +49,7 @@ fun MyBottomAppBar(
  )
  )
  NavigationBar {
- var selectedItem = when (currentBackStackEntry?.destination?.route) {
+ var selectedItem = when (currentDestination) {
  Screen.AboutScreen.route -> 0
  Screen.SettingsScreen.route -> 2
  else -> 1
@@ -91,7 +90,7 @@ fun MyBottomAppBarPreview(){
  Surface {
  MyBottomAppBar(
  navController = rememberNavController(),
- currentBackStackEntry = null
+ currentDestination = Screen.AboutScreen.route
  )
  }
  }

app/src/main/java/com/lorenzovainigli/foodexpirationdates/view/composable/MyScaffold.kt

@@ -49,6 +49,7 @@ data class NavigationItem(
 fun MyScaffold(
  activity: MainActivity? = null,
  navController: NavHostController,
+ navDestination: String? = null,
  showSnackbar: MutableState<Boolean>,
  content: @Composable () -> Unit
 ) {
@@ -91,9 +92,10 @@ fun MyScaffold(
  modifier = Modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
  snackbarHost = { SnackbarHost(snackbarHostState) },
  topBar = {
+ val destination = navDestination ?: currentBackStackEntry?.destination?.route
  MyTopAppBar(
  activity = activity,
- title = when (currentBackStackEntry?.destination?.route) {
+ title = when (destination) {
  Screen.AboutScreen.route -> stringResource(id = R.string.about_this_app)
  Screen.InsertScreen.route -> stringResource(id = R.string.insert)
  Screen.SettingsScreen.route -> stringResource(id = R.string.settings)
@@ -120,7 +122,7 @@ fun MyScaffold(
  bottomBar = {
  MyBottomAppBar(
  navController = navController,
- currentBackStackEntry = currentBackStackEntry
+ currentDestination = navDestination ?: currentBackStackEntry?.destination?.route
  )
  }
  ) { padding ->

app/src/main/java/com/lorenzovainigli/foodexpirationdates/view/preview/DefaultPreviews.kt

@@ -9,10 +9,12 @@ import androidx.compose.ui.tooling.preview.PreviewDynamicColors
 import androidx.compose.ui.tooling.preview.PreviewLightDark
 import androidx.navigation.compose.rememberNavController
 import com.lorenzovainigli.foodexpirationdates.ui.theme.FoodExpirationDatesTheme
+import com.lorenzovainigli.foodexpirationdates.view.Navigation
 import com.lorenzovainigli.foodexpirationdates.view.composable.screen.InfoScreen
 import com.lorenzovainigli.foodexpirationdates.view.composable.screen.MainScreen
 import com.lorenzovainigli.foodexpirationdates.view.composable.MyScaffold
 import com.lorenzovainigli.foodexpirationdates.view.composable.screen.InsertScreen
+import com.lorenzovainigli.foodexpirationdates.view.composable.screen.Screen
 import com.lorenzovainigli.foodexpirationdates.view.composable.screen.SettingsScreen
 
 class DefaultPreviews {
@@ -28,7 +30,7 @@ class DefaultPreviews {
  mutableStateOf(false)
  }
  MyScaffold(navController = navController, showSnackbar = showSnackbar) {
- MainScreen(navController = navController)
+ Navigation(navController = navController, showSnackbar = showSnackbar, startDestination = Screen.AboutScreen.route)
  }
  }
  }

app/src/main/java/com/lorenzovainigli/foodexpirationdates/view/preview/PlayStoreScreenshot.kt

@@ -0,0 +1,118 @@
+package com.lorenzovainigli.foodexpirationdates.view.preview
+
+import android.os.Build
+import androidx.annotation.RequiresApi
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.absoluteOffset
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.scale
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.navigation.compose.rememberNavController
+import com.lorenzovainigli.foodexpirationdates.R
+import com.lorenzovainigli.foodexpirationdates.ui.theme.FoodExpirationDatesTheme
+import com.lorenzovainigli.foodexpirationdates.view.Navigation
+import com.lorenzovainigli.foodexpirationdates.view.composable.MyScaffold
+import com.lorenzovainigli.foodexpirationdates.view.composable.screen.Screen
+
+@Composable
+fun PlayStoreScreenshot(
+ text: String,
+ content: @Composable () -> Unit
+){
+ FoodExpirationDatesTheme(
+ darkTheme = false,
+ dynamicColor = false
+ ) {
+ Box(
+ modifier = Modifier
+ .fillMaxSize()
+ .background(
+ brush = Brush.verticalGradient(
+ colors = listOf(
+ MaterialTheme.colorScheme.primaryContainer,
+ MaterialTheme.colorScheme.surface
+ )
+ )
+ )
+ ) {
+ Column(
+ modifier = Modifier
+ .fillMaxWidth()
+ .height(100.dp),
+ horizontalAlignment = Alignment.CenterHorizontally,
+ verticalArrangement = Arrangement.Center
+ ) {
+ Text(
+ modifier = Modifier.padding(6.dp),
+ text = text,
+ style = MaterialTheme.typography.headlineLarge,
+ fontWeight = FontWeight(600),
+ color = MaterialTheme.colorScheme.onPrimaryContainer,
+ textAlign = TextAlign.Center
+ )
+ }
+ Image(
+ modifier = Modifier
+ .padding(top = 100.dp, start = 6.dp, end = 6.dp, bottom = 6.dp)
+ .align(
+ Alignment.Center
+ ),
+ painter = painterResource(id = R.drawable.pixel_3a),
+ contentDescription = null
+ )
+ Box(
+ modifier = Modifier
+ .height(810.dp)
+ .scale(.8f)
+ .absoluteOffset(x = (-3).dp, y = 90.dp)
+ .clip(RoundedCornerShape(18.dp)),
+ ) {
+ content()
+ }
+ }
+ }
+}
+
+@RequiresApi(Build.VERSION_CODES.O)
+@Preview(showBackground = true)
+@Composable
+fun PlayStoreScreenshotPreview() {
+ val context = LocalContext.current
+ PlayStoreScreenshot(
+ text = stringResource(id = R.string.app_name)
+ ) {
+ FoodExpirationDatesTheme {
+ val navController = rememberNavController()
+ val showSnackbar = mutableStateOf(false)
+ MyScaffold(navController = navController, showSnackbar = showSnackbar) {
+ Navigation(
+ navController = navController ,
+ showSnackbar = showSnackbar,
+ startDestination = Screen.AboutScreen.route
+ )
+ }
+ }
+ }
+}

app/src/main/res/values-it/strings.xml

@@ -71,4 +71,12 @@
  <item>Funghi</item>
  <item>Pomodori</item>
  </string-array>
+ <string-array name="screenshot_titles">
+ <item>I tuoi alimenti ordinati per data di scadenza</item>
+ <item>Inserimento semplice</item>
+ <item>Personalizza comportamento e aspetto</item>
+ <item>Open source</item>
+ <item>Tema scuro</item>
+ <item>Colori dinamici</item>
+ </string-array>
 </resources>

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

@@ -70,4 +70,12 @@
  <item>Mushrooms</item>
  <item>Tomatoes</item>
  </string-array>
+ <string-array name="screenshot_titles">
+ <item>Your groceries sorted by expiration date</item>
+ <item>Easy insertion</item>
+ <item>Customize behavior and appearance</item>
+ <item>Open source</item>
+ <item>Dark theme</item>
+ <item>Dynamic colors</item>
+ </string-array>
 </resources>

app/src/test/java/screenshot/Screenshot.kt

@@ -1,79 +1,108 @@
 package screenshot
 
+import androidx.compose.runtime.Composable
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
+import androidx.compose.ui.res.stringArrayResource
 import androidx.navigation.compose.rememberNavController
 import app.cash.paparazzi.Paparazzi
+import com.lorenzovainigli.foodexpirationdates.R
 import com.lorenzovainigli.foodexpirationdates.ui.theme.FoodExpirationDatesTheme
 import com.lorenzovainigli.foodexpirationdates.view.composable.MyScaffold
 import com.lorenzovainigli.foodexpirationdates.view.composable.screen.InfoScreen
 import com.lorenzovainigli.foodexpirationdates.view.composable.screen.InsertScreen
 import com.lorenzovainigli.foodexpirationdates.view.composable.screen.MainScreen
+import com.lorenzovainigli.foodexpirationdates.view.composable.screen.Screen
 import com.lorenzovainigli.foodexpirationdates.view.composable.screen.SettingsScreen
+import com.lorenzovainigli.foodexpirationdates.view.preview.PlayStoreScreenshot
 
 open class Screenshot {
 
- fun screen1MainActivity(paparazzi: Paparazzi) {
- paparazzi.snapshot {
+ @Composable
+ fun Screenshot(
+ header: String,
+ darkMode: Boolean = false,
+ dynamicColors: Boolean = false,
+ navDestination: String
+ ) {
+ PlayStoreScreenshot(
+ text = header
+ ) {
  FoodExpirationDatesTheme(
- dynamicColor = false
+ darkTheme = darkMode,
+ dynamicColor = dynamicColors
  ) {
  val navController = rememberNavController()
- val showSnackbar = remember {
- mutableStateOf(false)
- }
- MyScaffold(navController = navController, showSnackbar = showSnackbar) {
- MainScreen(navController = navController)
+ val showSnackbar = mutableStateOf(false)
+ MyScaffold(
+ navController = navController,
+ showSnackbar = showSnackbar,
+ navDestination = navDestination
+ ) {
+ // Navigation composable not work here
+ when (navDestination){
+ Screen.AboutScreen.route -> InfoScreen()
+ Screen.InsertScreen.route -> InsertScreen(navController = navController)
+ Screen.SettingsScreen.route -> SettingsScreen()
+ else -> MainScreen(navController = navController)
+ }
  }
  }
  }
  }
 
+ fun screen1MainActivity(paparazzi: Paparazzi) {
+ paparazzi.snapshot {
+ Screenshot(
+ header = stringArrayResource(id = R.array.screenshot_titles)[0],
+ navDestination = Screen.MainScreen.route
+ )
+ }
+ }
+
  fun screen2InsertActivity(paparazzi: Paparazzi) {
  paparazzi.snapshot {
- FoodExpirationDatesTheme(
- dynamicColor = false
- ) {
- val navController = rememberNavController()
- val showSnackbar = remember {
- mutableStateOf(false)
- }
- MyScaffold(navController = navController, showSnackbar = showSnackbar) {
- InsertScreen(navController = navController)
- }
- }
+ Screenshot(
+ header = stringArrayResource(id = R.array.screenshot_titles)[1],
+ navDestination = Screen.InsertScreen.route
+ )
  }
  }
 
  fun screen3SettingsActivity(paparazzi: Paparazzi) {
  paparazzi.snapshot {
- FoodExpirationDatesTheme(
- dynamicColor = false
- ) {
- val navController = rememberNavController()
- val showSnackbar = remember {
- mutableStateOf(false)
- }
- MyScaffold(navController = navController, showSnackbar = showSnackbar) {
- SettingsScreen()
- }
- }
+ Screenshot(
+ header = stringArrayResource(id = R.array.screenshot_titles)[2],
+ navDestination = Screen.SettingsScreen.route
+ )
  }
  }
 
  fun screen4InfoActivity(paparazzi: Paparazzi) {
  paparazzi.snapshot {
- FoodExpirationDatesTheme(
- dynamicColor = false
- ) {
- val navController = rememberNavController()
- val showSnackbar = remember {
- mutableStateOf(false)
- }
- MyScaffold(navController = navController, showSnackbar = showSnackbar) {
- InfoScreen()
- }
- }
+ Screenshot(
+ header = stringArrayResource(id = R.array.screenshot_titles)[3],
+ navDestination = Screen.AboutScreen.route
+ )
+ }
+ }
+
+ fun screen5DarkMode(paparazzi: Paparazzi) {
+ paparazzi.snapshot {
+ Screenshot(
+ header = stringArrayResource(id = R.array.screenshot_titles)[4],
+ darkMode = true,
+ navDestination = Screen.MainScreen.route
+ )
+ }
+ }
+
+ fun screen6DynamicColors(paparazzi: Paparazzi) {
+ paparazzi.snapshot {
+ Screenshot(
+ header = stringArrayResource(id = R.array.screenshot_titles)[5],
+ dynamicColors = true,
+ navDestination = Screen.MainScreen.route
+ )
  }
  }