app/build.gradle.kts

@@ -123,6 +123,12 @@ dependencies {
 
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.0")
 
+
+    // Ktor
+    val ktor_version = "2.3.1"
+    implementation("io.ktor:ktor-client-core:$ktor_version")
+    implementation("io.ktor:ktor-client-cio:$ktor_version")
+
     implementation(platform("dev.forkhandles:forkhandles-bom:2.6.0.0"))
     implementation("dev.forkhandles:result4k")
 
@@ -143,5 +149,6 @@ dependencies {
 
     implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.4.0")
 
-
+    // Map Compose library
+    implementation("ovh.plrapps:mapcompose:2.7.1")
 }

app/src/main/java/ru/nm17/narodmon/ui/elements/AgreementDialog.kt

@@ -2,9 +2,6 @@
 
 package ru.nm17.narodmon.ui.elements
 
-import android.content.Context
-import android.content.Intent
-import android.net.Uri
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.padding
@@ -22,9 +19,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.activity.ComponentActivity
 import androidx.compose.ui.platform.LocalUriHandler
-import androidx.core.content.ContextCompat.startActivity
 import ru.nm17.narodmon.R
 import kotlin.system.exitProcess
 
@@ -40,7 +35,7 @@ fun AgreementDialog(modifier: Modifier = Modifier, onClick: () -> Unit) {
                 Text(text = stringResource(id = R.string.agreement_dialog_text))
                 Divider(Modifier.padding(vertical = 8.dp))
                 ListItem(
-                    headlineText = {
+                    headlineContent = {
                         Text(
                             text = stringResource(id = R.string.privacy_policy),
                             style = MaterialTheme.typography.titleSmall
@@ -56,7 +51,7 @@ fun AgreementDialog(modifier: Modifier = Modifier, onClick: () -> Unit) {
                 )
 
                 ListItem(
-                    headlineText = {
+                    headlineContent = {
                         Text(
                             text = stringResource(id = R.string.user_agreement),
                             style = MaterialTheme.typography.titleSmall

app/src/main/java/ru/nm17/narodmon/ui/elements/Scaffolds.kt

@@ -35,7 +35,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontStyle
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
-import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.rememberNavController
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch

app/src/main/java/ru/nm17/narodmon/ui/pages/Sensors.kt

@@ -1,46 +1,97 @@
 package ru.nm17.narodmon.ui.pages
 
+import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.FilterChip
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.platform.LocalConfiguration
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
-import ru.nm17.narodmon.Greeting
+import ovh.plrapps.mapcompose.api.scale
+import ovh.plrapps.mapcompose.api.setScroll
+import ovh.plrapps.mapcompose.ui.MapUI
 import ru.nm17.narodmon.R
 import ru.nm17.narodmon.ui.elements.GenericNavScaffold
+import ru.nm17.narodmon.ui.viewmodel.MapViewModel
+
+enum class SensorsFilter {
+    All, Thermometer, Camera,
+}
 
 @ExperimentalMaterial3Api
 @Composable
 fun SensorsPage(navController: NavController) {
+    val mapVM by remember { mutableStateOf(MapViewModel()) }
+    var filter by remember { mutableStateOf(SensorsFilter.All) }
+
+    val scrConfig = LocalConfiguration.current
+    val mapHeight = scrConfig.screenHeightDp / 3
+    
+    LaunchedEffect(mapVM) {
+        // TODO: Подгружать сохранённую позицию
+        mapVM.state.setScroll(Offset(28702.6F, 14787.6F))
+        mapVM.state.scale = 1.4658884F
+    }
+
     GenericNavScaffold(
         title = { Text(text = stringResource(R.string.sensors_page_title)) }
     ) {
-        Column {
+        Column(modifier = Modifier.padding(it)) {
-            Greeting("Hello sensors")
+
-            Row {
+            MapUI(state = mapVM.state, modifier = Modifier.height(mapHeight.dp))
-                FilterChip(
+
-                    selected = true,
+            Row(
-                    onClick = { },
+                modifier = Modifier.padding(horizontal = 8.dp),
-                    label = { Text("Temp") }
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+            ) {
+                SensorsFilterChip(
+                    name = stringResource(R.string.sensors_filter_all),
+                    checkFilter = { filter == SensorsFilter.All },
+                    updateFilter = { filter = SensorsFilter.All },
                 )
 
-                FilterChip(
+                SensorsFilterChip(
-                    selected = false,
+                    name = stringResource(R.string.sensors_filter_temp),
-                    onClick = { },
+                    checkFilter = { filter == SensorsFilter.Thermometer },
-                    label = { Text("Abc") }
+                    updateFilter = { filter = SensorsFilter.Thermometer },
                 )
 
-                FilterChip(
+                SensorsFilterChip(
-                    selected = false,
+                    name = stringResource(R.string.sensors_filter_camera),
-                    onClick = { },
+                    checkFilter = { filter == SensorsFilter.Camera },
-                    label = { Text("Def") }
+                    updateFilter = { filter = SensorsFilter.Camera },
                 )
             }
+
+            //Text(mapVM.state.scroll.toString())
+            //Text(mapVM.state.scale.toString())
         }
     }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SensorsFilterChip(
+    name: String,
+    checkFilter: () -> Boolean,
+    updateFilter: () -> Unit,
+) {
+    FilterChip(
+        selected = checkFilter(),
+        onClick = updateFilter,
+        label = { Text(name) },
+    )
 }

app/src/main/java/ru/nm17/narodmon/ui/viewmodel/MapViewModel.kt

@@ -0,0 +1,39 @@
+package ru.nm17.narodmon.ui.viewmodel
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.ViewModel
+import io.ktor.client.HttpClient
+import io.ktor.client.engine.cio.CIO
+import io.ktor.client.request.get
+import io.ktor.client.statement.bodyAsChannel
+import io.ktor.utils.io.jvm.javaio.toInputStream
+import ovh.plrapps.mapcompose.api.addLayer
+import ovh.plrapps.mapcompose.core.TileStreamProvider
+import ovh.plrapps.mapcompose.ui.state.MapState
+import java.io.InputStream
+
+class MapViewModel : ViewModel() {
+    private val client = HttpClient(CIO)
+
+    private val tileStreamProvider = TileStreamProvider { row, col, zoom ->
+        requestTile(row, col, zoom)
+    }
+
+    private val mapSize = 32768
+    val state: MapState by mutableStateOf(
+        MapState(
+            levelCount = 8,
+            fullWidth = mapSize,
+            fullHeight = mapSize,
+            workerCount = 16,
+        ).apply {
+            addLayer(tileStreamProvider)
+        }
+    )
+
+    private suspend fun requestTile(row: Int, col: Int, zoom: Int): InputStream {
+        val response = client.get("https://tile.openstreetmap.org/${zoom}/${col}/${row}.png")
+        return response.bodyAsChannel().toInputStream()
+    }
+}

app/src/main/res/values/strings.xml

@@ -15,4 +15,7 @@
     <string name="agreement_dialog_title">Примите необходимые соглашения</string>
     <string name="sensors_page_title">Сенсоры</string>
     <string name="waiting_for_user_agreement">Ожидаю соглашение пользователя</string>
+    <string name="sensors_filter_all">Все</string>
+    <string name="sensors_filter_temp">Термометры</string>
+    <string name="sensors_filter_camera">Камеры</string>
 </resources>