Sosees04ka/PIbd-32_Kashin_M.I_Mobile
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Так и живем

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This commit is contained in:
Кашин Максим 2023-11-29 22:50:13 +04:00
parent 2884f2b4eb
commit c358c953ba
4 changed files with 6 additions and 6 deletions
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4
app/src/main/java/com/example/labwork/button_navigation/Screens.kt
View File

@ -83,10 +83,10 @@ fun ScreenListProduct(
bicycles.apply {
when {
loadState.refresh is LoadState.Loading -> {
item { CircularProgressIndicator(modifier = Modifier.fillParentMaxSize(), color = Color(0xff423a99)) }
item { CircularProgressIndicator(modifier = Modifier.fillParentMaxSize(), color = LightBluePolitech) }
}
loadState.append is LoadState.Loading -> {
item { CircularProgressIndicator(modifier = Modifier.fillParentMaxSize(), color = Color(0xff423a99)) }
item { CircularProgressIndicator(modifier = Modifier.fillParentMaxSize(), color = LightBluePolitech) }
}
loadState.refresh is LoadState.Error -> {
val err = bicycles.loadState.refresh as LoadState.Error

4
app/src/main/java/com/example/labwork/database/DAO/BicycleDao.kt
View File

@ -27,6 +27,6 @@ interface BicycleDao {
@Query("SELECT * FROM bicycles WHERE userId = :userId")
suspend fun getBicyclesByUserId(userId: Int): List<Bicycle>
@Query("SELECT * FROM bicycles ORDER BY id DESC LIMIT :pageSize OFFSET :offset")
suspend fun getBicycles(offset: Int, pageSize: Int): List<Bicycle>
@Query("SELECT * FROM bicycles ORDER BY id ASC LIMIT :limit OFFSET :offset")
suspend fun getBicycles(limit: Int, offset: Int): List<Bicycle>
}

2
app/src/main/java/com/example/labwork/database/Paging/BicyclePagingSource.kt
View File

@ -15,7 +15,7 @@ class BicyclePagingSource(private val dao: BicycleDao,
return try {
Log.d("MainPagingSource", "load: $page")
val entities = dao.getBicycles(params.loadSize, page * params.loadSize)
if (page != 0) delay(1000)
if (page != 0) delay(2000)
LoadResult.Page(
data = entities,
prevKey = if (page == 0) null else page - 1,

2
app/src/main/java/com/example/labwork/repository/OfflineBicycleRepository.kt
View File

@ -33,7 +33,7 @@ class OfflineBicycleRepository(private val bicycleDao: BicycleDao) : BicycleRepo
return bicycleDao.getBicycleById(bicycleId)
}
override fun getBicycles(): Flow<PagingData<Bicycle>> = Pager(config = PagingConfig(pageSize = 4, jumpThreshold = 4, initialLoadSize = 4) )
override fun getBicycles(): Flow<PagingData<Bicycle>> = Pager(config = PagingConfig(pageSize = 3, jumpThreshold = 3, initialLoadSize = 3) )
{
BicyclePagingSource(bicycleDao)
}.flow