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My shiny feature #4 #5

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My shiny feature #4 #5

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ce8b518
Added a state in `RecentSearchQueriesUiState`
OussamaHaff Nov 26, 2024
9bf782d
refactored mapping
OussamaHaff Nov 26, 2024
53f0aef
Changed dispatcher
OussamaHaff Nov 26, 2024
76eafc4
Added logs
OussamaHaff Nov 26, 2024
c8428fa
Added saving activity xD
OussamaHaff Nov 26, 2024
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2 changes: 2 additions & 0 deletions app/src/main/kotlin/com/google/samples/apps/nowinandroid/MainActivity.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,8 @@ class MainActivity : ComponentActivity() {
}
}

viewModel.saveActivity(this)

// Keep the splash screen on-screen until the UI state is loaded. This condition is
// evaluated each time the app needs to be redrawn so it should be fast to avoid blocking
// the UI.
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8 changes: 8 additions & 0 deletions app/src/main/kotlin/com/google/samples/apps/nowinandroid/MainActivityViewModel.kt
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Expand Up @@ -16,6 +16,7 @@

package com.google.samples.apps.nowinandroid

import android.content.Context
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.google.samples.apps.nowinandroid.MainActivityUiState.Loading
Expand All @@ -33,13 +34,20 @@ import javax.inject.Inject
class MainActivityViewModel @Inject constructor(
userDataRepository: UserDataRepository,
) : ViewModel() {

private lateinit var _context: Context

val uiState: StateFlow<MainActivityUiState> = userDataRepository.userData.map {
Success(it)
}.stateIn(
scope = viewModelScope,
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Using lateinit for _context is not ideal because it doesn't enforce non-nullability at compile time. Consider using a nullable property or providing a default value.

initialValue = Loading,
started = SharingStarted.WhileSubscribed(5_000),
)

fun saveActivity(context: Context) {
_context = context
}
}

sealed interface MainActivityUiState {
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5 changes: 5 additions & 0 deletions app/src/main/kotlin/com/google/samples/apps/nowinandroid/ui/NiaApp.kt
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Expand Up @@ -16,6 +16,7 @@

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This block contains the main structure of the UI components. It looks good and follows best practices.

package com.google.samples.apps.nowinandroid.ui

import android.util.Log
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.WindowInsets
Expand Down Expand Up @@ -147,6 +148,10 @@ internal fun NiaApp(
)
}

LaunchedEffect(Unit) {
Log.e("#####","info message - App UI")
}
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The NiaNavHost component seems to handle navigation and displaying snackbar messages. Ensure that the onShowSnackbar callback is properly handled to avoid any potential issues with snackbar durations or actions.


NiaNavigationSuiteScaffold(
navigationSuiteItems = {
appState.topLevelDestinations.forEach { destination ->
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4 changes: 2 additions & 2 deletions .../com/google/samples/apps/nowinandroid/core/data/util/ConnectivityManagerNetworkMonitor.kt
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Expand Up @@ -28,7 +28,7 @@ import android.os.Build.VERSION_CODES
import androidx.core.content.getSystemService
import androidx.tracing.trace
import com.google.samples.apps.nowinandroid.core.network.Dispatcher
import com.google.samples.apps.nowinandroid.core.network.NiaDispatchers.IO
import com.google.samples.apps.nowinandroid.core.network.NiaDispatchers.Default
import dagger.hilt.android.qualifiers.ApplicationContext
import kotlinx.coroutines.CoroutineDispatcher
import kotlinx.coroutines.channels.awaitClose
Expand All @@ -40,7 +40,7 @@ import javax.inject.Inject

internal class ConnectivityManagerNetworkMonitor @Inject constructor(
@ApplicationContext private val context: Context,
@Dispatcher(IO) private val ioDispatcher: CoroutineDispatcher,
@Dispatcher(Default) private val ioDispatcher: CoroutineDispatcher,
) : NetworkMonitor {
override val isOnline: Flow<Boolean> = callbackFlow {
trace("NetworkMonitor.callbackFlow") {
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14 changes: 9 additions & 5 deletions .../main/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetSearchContentsUseCase.kt
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Expand Up @@ -20,6 +20,7 @@ import com.google.samples.apps.nowinandroid.core.data.repository.SearchContentsR
import com.google.samples.apps.nowinandroid.core.data.repository.UserDataRepository
import com.google.samples.apps.nowinandroid.core.model.data.FollowableTopic
import com.google.samples.apps.nowinandroid.core.model.data.SearchResult
import com.google.samples.apps.nowinandroid.core.model.data.Topic
import com.google.samples.apps.nowinandroid.core.model.data.UserData
import com.google.samples.apps.nowinandroid.core.model.data.UserNewsResource
import com.google.samples.apps.nowinandroid.core.model.data.UserSearchResult
Expand All @@ -45,11 +46,14 @@ class GetSearchContentsUseCase @Inject constructor(
private fun Flow<SearchResult>.mapToUserSearchResult(userDataStream: Flow<UserData>): Flow<UserSearchResult> =
combine(userDataStream) { searchResult, userData ->
UserSearchResult(
topics = searchResult.topics.map { topic ->
FollowableTopic(
topic = topic,
isFollowed = topic.id in userData.followedTopics,
)
topics = when (searchResult.topics.size) {
0 -> emptyList()
else -> searchResult.topics.map { topic ->
FollowableTopic(
topic = topic,
isFollowed = topic.id in userData.followedTopics,
)
}
},
newsResources = searchResult.newsResources.map { news ->
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The function mapToUserSearchResult is concise, but it could be more readable if each step of the transformation was broken down into a separate line. This would make it easier to follow and maintain.

UserNewsResource(
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4 changes: 4 additions & 0 deletions .../kotlin/com/google/samples/apps/nowinandroid/feature/search/RecentSearchQueriesUiState.kt
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Expand Up @@ -24,4 +24,8 @@ sealed interface RecentSearchQueriesUiState {
data class Success(
val recentQueries: List<RecentSearchQuery> = emptyList(),
) : RecentSearchQueriesUiState

data class Error(
val message: Strng
) : RecentSearchQueriesUiState
}