Сделал кринж года, есть пагинация, но мне вообще не нравится не проект, не реализация, не мои программистические способности :(

app/build.gradle.kts

@@ -62,6 +62,8 @@ dependencies {
     implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.6.2")
     implementation ("androidx.lifecycle:lifecycle-runtime-ktx:2.4.0")
 
+    implementation ("androidx.paging:paging-runtime:3.2.1")
+
 
     implementation("androidx.core:core-ktx:1.9.0")
     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.1")

app/src/main/java/com/example/labwork/button_navigation/Screens.kt

@@ -1,10 +1,20 @@
 package com.example.labwork.button_navigation
 
+import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Button
+import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
@@ -12,8 +22,12 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
 import androidx.navigation.NavHostController
 import com.example.labwork.database.DAO.UserDao
 import com.example.labwork.models.Bicycle
@@ -22,6 +36,7 @@ import com.example.labwork.pages.product.FormNewProduct
 import com.example.labwork.pages.product.ListProduct
 import com.example.labwork.pages.user.RegisteryOrLogin
 import com.example.labwork.repository.BicycleRepository
+import com.example.labwork.ui.theme.LightBluePolitech
 import com.example.labwork.viewmodel.BicycleViewModel
 import com.example.labwork.viewmodel.UserViewModel
 import kotlinx.coroutines.Dispatchers
@@ -43,25 +58,76 @@ fun ScreenListProduct(
     navHostController: NavHostController
 ) {
     val bicycles by bicycleViewModel.bicycles.collectAsState()
+    var currentIndex by remember { mutableStateOf(0) }
 
     LaunchedEffect(Unit) {
         bicycleViewModel.fetchBicycles()
     }
 
+    val paginatedBicycles = bicycles.chunked(3)
+
+
     Column(
         modifier = Modifier.fillMaxHeight().padding(bottom = 65.dp)
     ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            modifier = Modifier.fillMaxWidth().padding(top = 8.dp)
+        ) {
+            Button(
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(9.dp),
+                onClick = {
+                    if (currentIndex > 0) {
+                        currentIndex--
+                    }
+                },
+                shape = RoundedCornerShape(15.dp),
+                enabled = currentIndex > 0
+            ) {
+                Text(text = "Предыдущая страничка",
+                    color = Color.White,
+                    fontSize = 10.sp,
+                    textAlign = TextAlign.Center)
+
+            }
+
+            Spacer(modifier = Modifier.width(8.dp))
+
+            Button(
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(9.dp),
+                onClick = {
+                    if (currentIndex < paginatedBicycles.size - 1) {
+                        currentIndex++
+                    }
+                },
+                shape = RoundedCornerShape(15.dp),
+                enabled = currentIndex < paginatedBicycles.size - 1
+            ) {
+                Text(text = "Следущая страничка",
+                    color = Color.White,
+                    fontSize = 10.sp,
+                    textAlign = TextAlign.Center)
+            }
+        }
         FormNewProduct(bicycleViewModel, navHostController)
         LazyColumn {
-            itemsIndexed(bicycles) { index, item ->
+            paginatedBicycles.getOrNull(currentIndex)?.let { paginatedList ->
-                ListProduct(
+                itemsIndexed(paginatedList) { _, item ->
-                    item = item,
+                    ListProduct(
-                    bicycleViewModel = bicycleViewModel,
+                        item = item,
-                    navHostController = navHostController
+                        bicycleViewModel = bicycleViewModel,
-                )
+                        navHostController = navHostController
+                    )
+                }
             }
         }
     }
+
 }
 
-

app/src/main/java/com/example/labwork/pages/user/LoginPage.kt

@@ -59,7 +59,6 @@ fun LoginPage(
         user?.let { userProfile ->
             ProfileForm(item = userProfile, userViewModel = userViewModel, navHostController = navHostController)
         }
-        //navHostController.navigate("Info")
     }
 
     else {