lab8

app/build.gradle.kts

@@ -1,7 +1,6 @@
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
-    id("com.google.gms.google-services")
 }
 
 android {
@@ -47,6 +46,5 @@ dependencies {
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
 
-    implementation(platform("com.google.firebase:firebase-bom:34.3.0"))
+    implementation("org.osmdroid:osmdroid-android:6.1.20")
-    implementation("com.google.firebase:firebase-database")
 }

app/src/main/AndroidManifest.xml

@@ -2,6 +2,11 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="28"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="28"/>
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"

app/src/main/java/com/example/myapplication/MainActivity.kt

@@ -1,50 +1,33 @@
 package com.example.myapplication
 
 import android.os.Bundle
-import android.widget.Button
+import androidx.appcompat.app.AppCompatActivity
-import android.widget.EditText
+import org.osmdroid.config.Configuration
-import android.widget.TextView
+import org.osmdroid.util.GeoPoint
-import android.widget.Toast
+import org.osmdroid.views.MapView
-import androidx.activity.ComponentActivity
+import org.osmdroid.views.overlay.Marker
-import com.google.firebase.database.FirebaseDatabase
 
-class MainActivity : ComponentActivity() {
+class MainActivity : AppCompatActivity() {
-
+    private lateinit var map: MapView
-    private lateinit var etInput: EditText
-    private lateinit var btnSave: Button
-    private lateinit var btnLoad: Button
-    private lateinit var tvResult: TextView
-
-    private val db = FirebaseDatabase.getInstance().reference
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
+        Configuration.getInstance().load(this, getSharedPreferences("osmdroid", MODE_PRIVATE))
         setContentView(R.layout.activity_main)
 
-        etInput = findViewById(R.id.etInput)
+        map = findViewById(R.id.map)
-        btnSave = findViewById(R.id.btnSave)
+        map.setMultiTouchControls(true)
-        btnLoad = findViewById(R.id.btnLoad)
-        tvResult = findViewById(R.id.tvResult)
 
-        // Сохранение данных
+        // Координаты Москвы
-        btnSave.setOnClickListener {
+        val startPoint = GeoPoint(55.751244, 37.618423)
-            val text = etInput.text.toString()
+        map.controller.setZoom(12.0)
-            if (text.isNotEmpty()) {
+        map.controller.setCenter(startPoint)
-                val noteId = db.push().key!!    // генерируем уникальный id
-                db.child("notes").child(noteId).setValue(text)
-                Toast.makeText(this, "Сохранено", Toast.LENGTH_SHORT).show()
-                etInput.text.clear()
-            }
-        }
 
-        // Загрузка данных
+        // Маркер
-        btnLoad.setOnClickListener {
+        val marker = Marker(map)
-            db.child("notes").get().addOnSuccessListener { snapshot ->
+        marker.position = startPoint
-                val list = snapshot.children.mapNotNull { it.getValue(String::class.java) }
+        marker.title = "Москва"
-                tvResult.text = list.joinToString("\n")
+        map.overlays.add(marker)
-            }.addOnFailureListener {
-                Toast.makeText(this, "Ошибка загрузки", Toast.LENGTH_SHORT).show()
-            }
-        }
     }
 }

app/src/main/res/layout/activity_main.xml

@@ -1,41 +1,4 @@
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<org.osmdroid.views.MapView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/map"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="match_parent" />
-    android:orientation="vertical"
-    android:padding="16dp">
-
-    <EditText
-        android:id="@+id/etInput"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="Введите текст" />
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        android:layout_marginTop="16dp">
-
-        <Button
-            android:id="@+id/btnSave"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Сохранить" />
-
-        <Button
-            android:id="@+id/btnLoad"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Загрузить" />
-    </LinearLayout>
-
-    <TextView
-        android:id="@+id/tvResult"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="24dp"
-        android:text="Здесь появятся данные"
-        android:textSize="18sp" />
-</LinearLayout>

build.gradle.kts

@@ -2,5 +2,4 @@
 plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.kotlin.android) apply false
-    id("com.google.gms.google-services") version "4.4.3" apply false
 }