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Merge pull request #2 from tooploox/task/navigation
Navigation solution
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97 changes: 97 additions & 0 deletions
97
app/src/main/kotlin/co/touchlab/kampkit/android/ui/BreedDetailsScreen.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package co.touchlab.kampkit.android.ui | ||
|
|
||
| import androidx.compose.animation.Crossfade | ||
| import androidx.compose.animation.core.FastOutSlowInEasing | ||
| import androidx.compose.animation.core.TweenSpec | ||
| import androidx.compose.foundation.Image | ||
| import androidx.compose.foundation.clickable | ||
| import androidx.compose.foundation.layout.* | ||
| import androidx.compose.material.CircularProgressIndicator | ||
| import androidx.compose.material.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.res.painterResource | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.lifecycle.compose.collectAsStateWithLifecycle | ||
| import co.touchlab.kampkit.android.R | ||
| import co.touchlab.kampkit.domain.breed.Breed | ||
| import co.touchlab.kampkit.ui.breedDetails.BreedDetailsViewModel | ||
| import co.touchlab.kampkit.ui.breedDetails.BreedDetailsViewState | ||
|
|
||
| @Composable | ||
| fun BreedDetailsScreen(viewModel: BreedDetailsViewModel) { | ||
| val state by viewModel.detailsState.collectAsStateWithLifecycle() | ||
| val error = state.error | ||
| Box(Modifier.fillMaxSize()) { | ||
| when { | ||
| state.isLoading -> Loading() | ||
| error != null -> Error(error) | ||
| else -> DetailsContents( | ||
| state = state, | ||
| onFavoriteClick = viewModel::onFavoriteClick | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| private fun BoxScope.DetailsContents( | ||
| state: BreedDetailsViewState, | ||
| onFavoriteClick: () -> Unit | ||
| ) { | ||
| Row(Modifier.align(Alignment.Center)) { | ||
| Text(state.breed?.name ?: "") | ||
| Spacer(Modifier.width(4.dp)) | ||
| state.breed?.let { breed -> | ||
| FavoriteIcon( | ||
| breed = breed, | ||
| onClick = onFavoriteClick | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| private fun BoxScope.Error(error: String) { | ||
| Text( | ||
| text = error, | ||
| color = Color.Red, | ||
| modifier = Modifier.align(Alignment.Center) | ||
| ) | ||
| } | ||
|
|
||
| @Composable | ||
| fun BoxScope.Loading() { | ||
| CircularProgressIndicator(Modifier.align(Alignment.Center)) | ||
| } | ||
|
|
||
| @Composable | ||
| fun FavoriteIcon( | ||
| breed: Breed, | ||
| onClick: () -> Unit | ||
| ) { | ||
| Crossfade( | ||
| targetState = !breed.favorite, | ||
| animationSpec = TweenSpec( | ||
| durationMillis = 500, | ||
| easing = FastOutSlowInEasing | ||
| ), | ||
| modifier = Modifier.clickable { onClick() } | ||
| ) { fav -> | ||
| if (fav) { | ||
| Image( | ||
| painter = painterResource(id = R.drawable.ic_favorite_border_24px), | ||
| contentDescription = stringResource(R.string.favorite_breed, breed.name) | ||
| ) | ||
| } else { | ||
| Image( | ||
| painter = painterResource(id = R.drawable.ic_favorite_24px), | ||
| contentDescription = stringResource(R.string.unfavorite_breed, breed.name) | ||
| ) | ||
| } | ||
| } | ||
| } |
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45 changes: 45 additions & 0 deletions
45
app/src/main/kotlin/co/touchlab/kampkit/android/ui/MainNavCoordinator.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,45 @@ | ||
| package co.touchlab.kampkit.android.ui | ||
|
|
||
| import androidx.compose.runtime.Composable | ||
| import androidx.navigation.NavController | ||
| import androidx.navigation.NavType | ||
| import androidx.navigation.compose.NavHost | ||
| import androidx.navigation.compose.composable | ||
| import androidx.navigation.compose.rememberNavController | ||
| import androidx.navigation.navArgument | ||
| import org.koin.androidx.compose.get | ||
| import org.koin.androidx.compose.koinViewModel | ||
| import org.koin.core.parameter.parametersOf | ||
|
|
||
| private const val BREEDS = "breeds" | ||
| private const val BREED_DETAILS = "breedDetails" | ||
| private const val BREED_ID_ARG = "breedId" | ||
|
|
||
| @Composable | ||
| fun MainNavCoordinator() { | ||
| val navController = rememberNavController() | ||
| NavHost(navController = navController, startDestination = "breeds") { | ||
| composable(BREEDS) { | ||
| BreedsScreen( | ||
| viewModel = koinViewModel(), | ||
| onBreedDetailsNavRequest = { breedId -> | ||
| navController.navigateToBreedDetails(breedId) | ||
| }, | ||
| log = get { parametersOf("BreedsScreen") } | ||
| ) | ||
| } | ||
| composable( | ||
| route = "$BREED_DETAILS/{$BREED_ID_ARG}", | ||
| arguments = listOf(navArgument(BREED_ID_ARG) { type = NavType.LongType }) | ||
| ) { | ||
| val breedId = it.arguments?.getLong(BREED_ID_ARG) | ||
| BreedDetailsScreen( | ||
| viewModel = koinViewModel { parametersOf(breedId) }, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun NavController.navigateToBreedDetails(breedId: Long) { | ||
| navigate("$BREED_DETAILS/$breedId") | ||
| } |
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