diff --git a/.gitignore b/.gitignore
index 185b1a64..95af1b44 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ gradle.properties
/ShaderError.glsl
/.kotlin
/.lwjgl
+/local.properties
diff --git a/android/.gitignore b/android/.gitignore
new file mode 100644
index 00000000..42afabfd
--- /dev/null
+++ b/android/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/android/build.gradle.kts b/android/build.gradle.kts
new file mode 100644
index 00000000..642ae2c5
--- /dev/null
+++ b/android/build.gradle.kts
@@ -0,0 +1,62 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+ alias(libs.plugins.android.application)
+ alias(libs.plugins.kotlin.android)
+}
+
+android {
+ namespace = "com.icegps.orx"
+ compileSdk {
+ version = release(36)
+ }
+
+ defaultConfig {
+ applicationId = "com.icegps.orx"
+ minSdk = 28
+ targetSdk = 36
+ versionCode = 1
+ versionName = "1.0"
+
+ testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ isMinifyEnabled = false
+ proguardFiles(
+ getDefaultProguardFile("proguard-android-optimize.txt"),
+ "proguard-rules.pro"
+ )
+ }
+ }
+ buildFeatures {
+ viewBinding = true
+ }
+ compileOptions {
+ sourceCompatibility = JavaVersion.VERSION_17
+ targetCompatibility = JavaVersion.VERSION_17
+ }
+}
+
+kotlin {
+ compilerOptions.jvmTarget = JvmTarget.JVM_17
+}
+
+dependencies {
+ implementation(libs.core.ktx)
+ implementation(libs.androidx.appcompat)
+ implementation(libs.material)
+ implementation(libs.androidx.activity)
+ implementation(libs.androidx.constraintlayout)
+ implementation(libs.mapbox.maps)
+ implementation(project(":math"))
+ implementation(project(":orx-triangulation"))
+ implementation(libs.androidx.lifecycle.runtime.ktx)
+ implementation(project(":icegps-common"))
+ implementation(project(":icegps-shared"))
+
+ testImplementation(libs.junit)
+ androidTestImplementation(libs.ext.junit)
+ androidTestImplementation(libs.androidx.espresso.core)
+}
\ No newline at end of file
diff --git a/android/proguard-rules.pro b/android/proguard-rules.pro
new file mode 100644
index 00000000..481bb434
--- /dev/null
+++ b/android/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/android/src/androidTest/java/com/icegps/orx/ExampleInstrumentedTest.kt b/android/src/androidTest/java/com/icegps/orx/ExampleInstrumentedTest.kt
new file mode 100644
index 00000000..2973c094
--- /dev/null
+++ b/android/src/androidTest/java/com/icegps/orx/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.icegps.orx
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+ @Test
+ fun useAppContext() {
+ // Context of the app under test.
+ val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+ assertEquals("com.icegps.orx", appContext.packageName)
+ }
+}
\ No newline at end of file
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..d92b7ef5
--- /dev/null
+++ b/android/src/main/AndroidManifest.xml
@@ -0,0 +1,25 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/android/src/main/java/com/icegps/orx/MainActivity.kt b/android/src/main/java/com/icegps/orx/MainActivity.kt
new file mode 100644
index 00000000..727e01d0
--- /dev/null
+++ b/android/src/main/java/com/icegps/orx/MainActivity.kt
@@ -0,0 +1,77 @@
+package com.icegps.orx
+
+import android.os.Bundle
+import android.util.Log
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.icegps.common.helper.GeoHelper
+import com.icegps.orx.databinding.ActivityMainBinding
+import com.icegps.shared.SharedHttpClient
+import com.icegps.shared.SharedJson
+import com.icegps.shared.api.OpenElevation
+import com.icegps.shared.api.OpenElevationApi
+import com.icegps.shared.ktx.TAG
+import com.icegps.shared.model.GeoPoint
+import com.mapbox.geojson.Point
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.update
+import org.openrndr.extra.triangulation.DelaunayTriangulation
+import org.openrndr.math.Vector2
+import org.openrndr.math.Vector3
+
+class MainActivity : AppCompatActivity() {
+ private lateinit var binding: ActivityMainBinding
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ enableEdgeToEdge()
+ binding = ActivityMainBinding.inflate(layoutInflater)
+ setContentView(binding.root)
+ ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+ val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+ v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+ insets
+ }
+ }
+}
+
+class MainViewModel : ViewModel() {
+ private val geoHelper = GeoHelper.getSharedInstance()
+ private val openElevation: OpenElevationApi = OpenElevation(SharedHttpClient(SharedJson()))
+
+ private val _points = MutableStateFlow>(emptyList())
+
+ init {
+ _points.map {
+ openElevation.lookup(it.map { GeoPoint(it.longitude(), it.latitude(), it.altitude()) })
+ }.catch {
+ Log.e(TAG, "高程请求失败", it)
+ }.map {
+ it.map {
+ val enu =
+ geoHelper.wgs84ToENU(lon = it.longitude, lat = it.latitude, hgt = it.altitude)
+ Vector2(enu.x, enu.y)
+ }
+ }.onEach {
+ val triangulation = DelaunayTriangulation(it)
+ triangulation.triangles().map {
+ it.contour
+ }
+ }.launchIn(viewModelScope)
+ }
+
+ fun addPoint(point: Point) {
+ _points.update {
+ it.toMutableList().apply {
+ add(point)
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/android/src/main/res/drawable/ic_launcher_background.xml b/android/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 00000000..07d5da9c
--- /dev/null
+++ b/android/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+
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diff --git a/android/src/main/res/drawable/ic_launcher_foreground.xml b/android/src/main/res/drawable/ic_launcher_foreground.xml
new file mode 100644
index 00000000..2b068d11
--- /dev/null
+++ b/android/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
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+
+