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Start the view in the nav so that it doesn't refetch every time

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Joren
2024-04-29 16:08:03 +02:00
parent e8881a2921
commit 32662281b3
3 changed files with 15 additions and 11 deletions
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12
app/src/main/java/com/ti/mobpo/ui/Navigation.kt
View File

@@ -27,12 +27,12 @@ import androidx.compose.runtime.saveable.rememberSaveable
import androidx.compose.runtime.setValue import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier import androidx.compose.ui.Modifier
import androidx.compose.ui.tooling.preview.Preview import androidx.compose.ui.tooling.preview.Preview
import androidx.lifecycle.viewmodel.compose.viewModel
import androidx.navigation.compose.NavHost import androidx.navigation.compose.NavHost
import androidx.navigation.compose.composable import androidx.navigation.compose.composable
import androidx.navigation.compose.currentBackStackEntryAsState import androidx.navigation.compose.currentBackStackEntryAsState
import androidx.navigation.compose.rememberNavController import androidx.navigation.compose.rememberNavController
import com.ti.mobpo.ui.screens.Favourites import com.ti.mobpo.ui.screens.Favourites
import com.ti.mobpo.ui.screens.PokeSearch
import com.ti.mobpo.ui.screens.PokeSearchScreen import com.ti.mobpo.ui.screens.PokeSearchScreen
import com.ti.mobpo.ui.screens.Profile import com.ti.mobpo.ui.screens.Profile
@@ -70,6 +70,8 @@ fun Navigation() {
val updatedSelectedIndex = items.indexOfFirst { it.route == currentRoute } val updatedSelectedIndex = items.indexOfFirst { it.route == currentRoute }
selectedItemIndex = rememberUpdatedState(updatedSelectedIndex).value selectedItemIndex = rememberUpdatedState(updatedSelectedIndex).value
val pokeSearchViewModel: PokeSearchViewModel = viewModel()
Scaffold ( Scaffold (
bottomBar = { bottomBar = {
NavigationBar { NavigationBar {
@@ -112,9 +114,8 @@ fun Navigation() {
exitTransition = { exitTransition = {
ExitTransition.None ExitTransition.None
}) { }) {
composable( composable(route = Screen.PokeSearch.route) {
route = Screen.PokeSearch.route) { PokeSearchScreen(pokeSearchViewModel)
PokeSearch()
} }
composable( composable(
route = Screen.Favourites.route) { route = Screen.Favourites.route) {
@@ -136,6 +137,7 @@ fun Navigation() {
@Composable @Composable
fun NavigationPreview() { fun NavigationPreview() {
Surface { Surface {
PokeSearchScreen() val pokeSearchViewModel: PokeSearchViewModel = viewModel()
PokeSearchScreen(pokeSearchViewModel)
} }
} }

7
app/src/main/java/com/ti/mobpo/ui/PokeSearchViewModel.kt
View File

@@ -13,6 +13,7 @@ import retrofit2.http.GET
import java.io.IOException import java.io.IOException
private const val BASE_URL = "https://pokeapi.co/api/v2/"; private const val BASE_URL = "https://pokeapi.co/api/v2/";
private const val SHOW_LIMIT = 20;
data class PokemonSpecies( data class PokemonSpecies(
@SerializedName("name") val name: String, @SerializedName("name") val name: String,
@SerializedName("url") val url: String @SerializedName("url") val url: String
@@ -49,7 +50,7 @@ class PokeSearchViewModel : ViewModel() {
try { try {
val response = service.getPokemonSpecies() val response = service.getPokemonSpecies()
_initialPokemonList.value = response.results _initialPokemonList.value = response.results
_filteredPokemonList.value = response.results _filteredPokemonList.value = response.results.take(SHOW_LIMIT)
} catch (e: IOException) { } catch (e: IOException) {
/*TODO*/ /*TODO*/
} }
@@ -60,9 +61,9 @@ class PokeSearchViewModel : ViewModel() {
val initialPokemonList = _initialPokemonList.value val initialPokemonList = _initialPokemonList.value
if (query.isNotBlank() && initialPokemonList != null) { if (query.isNotBlank() && initialPokemonList != null) {
val filteredList = initialPokemonList.filter { it.name.contains(query, ignoreCase = true) } val filteredList = initialPokemonList.filter { it.name.contains(query, ignoreCase = true) }
_filteredPokemonList.value = filteredList _filteredPokemonList.value = filteredList.take(SHOW_LIMIT);
} else { } else {
_filteredPokemonList.value = initialPokemonList _filteredPokemonList.value = initialPokemonList?.take(SHOW_LIMIT);
} }
} }
} }

7
app/src/main/java/com/ti/mobpo/ui/screens/PokeSearch.kt
View File

@@ -21,12 +21,12 @@ import com.ti.mobpo.ui.SearchBar
import androidx.lifecycle.viewmodel.compose.viewModel import androidx.lifecycle.viewmodel.compose.viewModel
@Composable @Composable
fun PokeSearchScreen(pokeSearchViewModel: PokeSearchViewModel = viewModel()) { fun PokeSearchScreen(pokeSearchViewModel: PokeSearchViewModel) {
PokeSearch(pokeSearchViewModel) PokeSearch(pokeSearchViewModel)
} }
@Composable @Composable
fun PokeSearch(pokeSearchViewModel: PokeSearchViewModel = viewModel()) { fun PokeSearch(pokeSearchViewModel: PokeSearchViewModel) {
val searchResults by pokeSearchViewModel.pokemonList.collectAsState() val searchResults by pokeSearchViewModel.pokemonList.collectAsState()
Column( Column(
@@ -57,5 +57,6 @@ fun PokeSearch(pokeSearchViewModel: PokeSearchViewModel = viewModel()) {
@Preview(showBackground = true) @Preview(showBackground = true)
@Composable @Composable
fun PokeSearchApp(){ fun PokeSearchApp(){
PokeSearchScreen() val pokeSearchViewModel: PokeSearchViewModel = viewModel()
PokeSearchScreen(pokeSearchViewModel)
} }