Add pull to refresh on the Lexion.

app/build.gradle.kts

@@ -64,6 +64,7 @@ android {
 
     buildFeatures {
         compose = true
+        buildConfig = true
     }
 
     composeOptions {
@@ -85,6 +86,7 @@ dependencies {
     implementation("androidx.compose.ui:ui:1.4.3")
     implementation("androidx.compose.ui:ui-graphics:1.4.3")
     implementation("androidx.compose.ui:ui-tooling-preview:1.4.3")
+    implementation("androidx.compose.material:material:1.4.3")
     implementation("androidx.compose.material3:material3:1.1.1")
     debugImplementation("androidx.compose.ui:ui-tooling:1.4.3")
 

app/src/main/java/com/pixelized/rplexicon/ui/screens/authentication/AuthenticationScreen.kt

@@ -2,7 +2,8 @@ package com.pixelized.rplexicon.ui.screens.authentication
 
 import android.content.res.Configuration.UI_MODE_NIGHT_NO
 import android.content.res.Configuration.UI_MODE_NIGHT_YES
-import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
@@ -18,7 +19,6 @@ import androidx.compose.runtime.State
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.buildAnnotatedString
@@ -38,17 +38,21 @@ import kotlinx.coroutines.CoroutineScope
 
 @Composable
 fun AuthenticationScreen(
-    viewModel: AuthenticationViewModel = hiltViewModel()
+    authenticationVM: AuthenticationViewModel = hiltViewModel(),
+    versionVM: VersionViewModel = hiltViewModel(),
 ) {
     val screen = LocalScreenNavHost.current
     val activity = LocalActivity.current
-    val state = viewModel.rememberAuthenticationState()
+    val state = authenticationVM.rememberAuthenticationState()
 
     Surface {
         AuthenticationScreenContent(
-            modifier = Modifier.fillMaxSize(),
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(all = 16.dp),
+            version = versionVM.version,
             onGoogleSignIn = {
-                viewModel.signIn(activity = activity)
+                authenticationVM.signIn(activity = activity)
             },
         )
 
@@ -74,34 +78,27 @@ fun HandleAuthenticationState(
 @Composable
 private fun AuthenticationScreenContent(
     modifier: Modifier = Modifier,
+    version: VersionViewModel.Version,
     onGoogleSignIn: () -> Unit,
 ) {
-    Box(
+    Column(
         modifier = modifier,
-        contentAlignment = Alignment.BottomCenter,
+        verticalArrangement = Arrangement.spacedBy(4.dp, Alignment.Bottom),
+        horizontalAlignment = Alignment.End,
     ) {
         Button(
             modifier = Modifier
                 .padding(all = 16.dp)
                 .fillMaxWidth(),
-            colors = ButtonDefaults.outlinedButtonColors(),
+            colors = ButtonDefaults.buttonColors(),
             onClick = onGoogleSignIn,
         ) {
             Text(text = rememeberGoogleStringResource())
         }
-    }
-}
 
-@Composable
+        Text(
-private fun rememberBackgroundGradient(): Brush {
+            style = MaterialTheme.typography.labelSmall,
-    val colorScheme = MaterialTheme.colorScheme
+            text = version.toText(),
-    return remember {
-        Brush.verticalGradient(
-            colors = listOf(
-                colorScheme.surface.copy(alpha = 0.2f),
-                colorScheme.surface.copy(alpha = 0.5f),
-                colorScheme.surface.copy(alpha = 1.0f),
-            )
         )
     }
 }
@@ -175,8 +172,14 @@ private fun rememeberGoogleStringResource(): AnnotatedString {
 @Preview(uiMode = UI_MODE_NIGHT_YES)
 private fun AuthenticationScreenContentPreview() {
     LexiconTheme {
+        Surface {
             AuthenticationScreenContent(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(all = 16.dp),
+                version = VersionViewModel.Version(R.string.app_name, "0.0.0", "0"),
                 onGoogleSignIn = { },
             )
         }
+    }
 }

app/src/main/java/com/pixelized/rplexicon/ui/screens/authentication/VersionViewModel.kt

@@ -0,0 +1,34 @@
+package com.pixelized.rplexicon.ui.screens.authentication
+
+import androidx.annotation.StringRes
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Stable
+import androidx.compose.ui.res.stringResource
+import androidx.lifecycle.ViewModel
+import com.pixelized.rplexicon.BuildConfig
+import com.pixelized.rplexicon.R
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
+
+@HiltViewModel
+class VersionViewModel @Inject constructor() : ViewModel() {
+
+    val version = Version(
+        appName = R.string.app_name,
+        version = BuildConfig.VERSION_NAME,
+        code = BuildConfig.VERSION_CODE.toString()
+    )
+
+    @Stable
+    data class Version(
+        @StringRes val appName: Int,
+        val version: String,
+        val code: String,
+    ) {
+        @Composable
+        @Stable
+        fun toText(): String {
+            return "${stringResource(id = appName)} ${version}.${code}"
+        }
+    }
+}

app/src/main/java/com/pixelized/rplexicon/ui/screens/detail/CharacterDetailViewModel.kt

@@ -21,7 +21,7 @@ class CharacterDetailViewModel @Inject constructor(
         val source = repository.data.value[savedStateHandle.characterDetailArgument.id]
         return CharacterDetailUio(
             name = source.name,
-            diminutive = source.diminutive?.let { "./ $it" },
+            diminutive = source.diminutive?.takeIf { it.isNotBlank() }?.let { "./ $it" },
             gender = when (source.gender) {
                 Lexicon.Gender.MALE -> "homme"
                 Lexicon.Gender.FEMALE -> "femme"

app/src/main/java/com/pixelized/rplexicon/ui/screens/lexicon/LexiconScreen.kt

@@ -7,13 +7,23 @@ import android.content.res.Configuration.UI_MODE_NIGHT_YES
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
+import androidx.compose.material.ExperimentalMaterialApi
+import androidx.compose.material.pullrefresh.PullRefreshIndicator
+import androidx.compose.material.pullrefresh.PullRefreshState
+import androidx.compose.material.pullrefresh.pullRefresh
+import androidx.compose.material.pullrefresh.rememberPullRefreshState
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.Stable
@@ -21,11 +31,14 @@ import androidx.compose.runtime.State
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import com.pixelized.rplexicon.LocalSnack
+import com.pixelized.rplexicon.R
 import com.pixelized.rplexicon.ui.navigation.LocalScreenNavHost
 import com.pixelized.rplexicon.ui.navigation.navigateToCharacterDetail
 import com.pixelized.rplexicon.ui.screens.lexicon.LexiconErrorUio.Default
@@ -43,15 +56,28 @@ sealed class LexiconErrorUio {
     object Default : LexiconErrorUio()
 }
 
+@OptIn(ExperimentalMaterialApi::class)
 @Composable
 fun LexiconScreen(
     viewModel: LexiconViewModel = hiltViewModel(),
 ) {
+    val scope = rememberCoroutineScope()
     val screen = LocalScreenNavHost.current
 
+    val refresh = rememberPullRefreshState(
+        refreshing = viewModel.isLoading.value,
+        onRefresh = {
+            scope.launch {
+                viewModel.fetchLexicon()
+            }
+        },
+    )
+
     Surface {
         LexiconScreenContent(
             items = viewModel.items,
+            refresh = refresh,
+            refreshing = viewModel.isLoading,
             onItem = {
                 screen.navigateToCharacterDetail(id = it.id)
             },
@@ -66,23 +92,49 @@ fun LexiconScreen(
     }
 }
 
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalMaterialApi::class)
 @Composable
 private fun LexiconScreenContent(
     modifier: Modifier = Modifier,
+    refresh: PullRefreshState,
+    refreshing: State<Boolean>,
     items: State<List<LexiconItemUio>>,
     onItem: (LexiconItemUio) -> Unit,
 ) {
-    LazyColumn(
+    Scaffold(
         modifier = modifier,
+        topBar = {
+            TopAppBar(
+                title = {
+                    Text(text = stringResource(id = R.string.app_name))
+                },
+            )
+        }
+    ) {
+        Box(
+            modifier = Modifier.padding(paddingValues = it),
+            contentAlignment = Alignment.TopCenter,
+        ) {
+            LazyColumn(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .pullRefresh(state = refresh),
                 contentPadding = PaddingValues(vertical = 8.dp),
             ) {
-        items(items = items.value) {
+                items(items = items.value) { item ->
                     LexiconItem(
                         modifier = Modifier
-                    .clickable { onItem(it) }
+                            .clickable { onItem(item) }
                             .fillMaxWidth()
                             .padding(vertical = 8.dp, horizontal = 16.dp),
-                item = it,
+                        item = item,
+                    )
+                }
+            }
+
+            PullRefreshIndicator(
+                refreshing = refreshing.value,
+                state = refresh,
             )
         }
     }
@@ -116,6 +168,7 @@ fun HandleError(
     }
 }
 
+@OptIn(ExperimentalMaterialApi::class)
 @Composable
 @Preview(uiMode = UI_MODE_NIGHT_NO)
 @Preview(uiMode = UI_MODE_NIGHT_YES)
@@ -124,6 +177,11 @@ private fun LexiconScreenContentPreview() {
         Surface {
             LexiconScreenContent(
                 modifier = Modifier.fillMaxSize(),
+                refresh = rememberPullRefreshState(
+                    refreshing = false,
+                    onRefresh = {},
+                ),
+                refreshing = remember { mutableStateOf(false) },
                 items = remember {
                     mutableStateOf(
                         listOf(

app/src/main/java/com/pixelized/rplexicon/ui/screens/lexicon/LexiconViewModel.kt

@@ -9,7 +9,6 @@ import com.google.api.client.googleapis.extensions.android.gms.auth.UserRecovera
 import com.pixelized.rplexicon.model.Lexicon
 import com.pixelized.rplexicon.repository.LexiconRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.launch
@@ -20,6 +19,9 @@ class LexiconViewModel @Inject constructor(
     private val repository: LexiconRepository,
 ) : ViewModel() {
 
+    private val _isLoading = mutableStateOf(false)
+    val isLoading: State<Boolean> get() = _isLoading
+
     private val _items = mutableStateOf<List<LexiconItemUio>>(emptyList())
     val items: State<List<LexiconItemUio>> get() = _items
 
@@ -52,6 +54,7 @@ class LexiconViewModel @Inject constructor(
 
     suspend fun fetchLexicon() {
         try {
+            _isLoading.value = true
             repository.fetchLexicon()
         }
         // user need to accept OAuth2 permission.
@@ -64,6 +67,10 @@ class LexiconViewModel @Inject constructor(
             Log.e(TAG, exception.message, exception)
             _error.emit(LexiconErrorUio.Default)
         }
+        // clean the laoding state
+        finally {
+            _isLoading.value = false
+        }
     }
 
     companion object {

app/src/main/java/com/pixelized/rplexicon/ui/theme/Theme.kt

@@ -1,17 +1,13 @@
 package com.pixelized.rplexicon.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.toArgb
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalView
 import androidx.core.view.WindowCompat
 
@@ -25,42 +21,32 @@ private val LightColorScheme = lightColorScheme(
     primary = Purple40,
     secondary = PurpleGrey40,
     tertiary = Pink40
-
-    /* Other default colors to override
-    background = Color(0xFFFFFBFE),
-    surface = Color(0xFFFFFBFE),
-    onPrimary = Color.White,
-    onSecondary = Color.White,
-    onTertiary = Color.White,
-    onBackground = Color(0xFF1C1B1F),
-    onSurface = Color(0xFF1C1B1F),
-    */
 )
 
 @Composable
 fun LexiconTheme(
     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) {
+    val view = LocalView.current
-//        SideEffect {
+    if (!view.isInEditMode) {
-//            val window = (view.context as Activity).window
+        SideEffect {
-//            window.statusBarColor = colorScheme.primary.toArgb()
+            val window = (view.context as Activity).window
-//            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+            colorScheme.background.toArgb().let {
-//        }
+                window.statusBarColor = it
-//    }
+                window.navigationBarColor = it
+            }
+            WindowCompat.getInsetsController(window, view).let {
+                it.isAppearanceLightStatusBars = !darkTheme
+                it.isAppearanceLightNavigationBars = !darkTheme
+            }
+        }
+    }
 
     MaterialTheme(
         colorScheme = colorScheme,