GEODE_DOWNLOAD_LINK is a nightly link but it works i dont care a single bit finally

app/src/main/java/com/geode/launcher/DownloadGeode.kt

@@ -0,0 +1,51 @@
+package com.geode.launcher
+
+import android.content.Context
+import android.content.Intent
+import android.os.AsyncTask
+import android.util.Log
+import com.geode.launcher.MainActivity
+import java.io.BufferedInputStream
+import java.io.File
+import java.io.FileOutputStream
+import java.net.HttpURLConnection
+import java.net.URL
+import java.util.zip.ZipInputStream
+
+class DownloadGeode constructor(context: Context) : AsyncTask<String, Int, Boolean>() {
+    private val context: Context = context
+
+    override fun doInBackground(vararg params: String?): Boolean {
+        val url = URL(params[0])
+        val connection = url.openConnection() as HttpURLConnection
+        connection.requestMethod = "GET"
+        connection.connect()
+        // downloads a zip file
+        ZipInputStream(connection.inputStream).use { zip ->
+            var entry = zip.nextEntry
+            while (entry != null) {
+                val file = entry.name
+                context.getExternalFilesDir(null)?.let { dir->
+                    val destFile = File(dir, file)
+                    destFile.outputStream().use { output ->
+                        zip.copyTo(output)
+                        Log.d("Geode", "Downloading to $destFile")
+                    }
+                }
+                entry = zip.nextEntry
+            }
+        }
+
+        return true
+    }
+
+    override fun onPostExecute(result: Boolean) {
+        super.onPostExecute(result)
+        Log.d("Geode", "Downloading Result: $result")
+
+        // update the screen
+        val intent = Intent(context, MainActivity::class.java)
+        intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK
+        context.startActivity(intent)
+    }
+}

app/src/main/java/com/geode/launcher/MainActivity.kt

@@ -21,6 +21,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.geode.launcher.ui.theme.GeodeLauncherTheme
 import com.geode.launcher.ui.theme.Typography
+import com.geode.launcher.utils.Constants
 import com.geode.launcher.utils.LaunchUtils
 import com.geode.launcher.utils.useCountdownTimer
 import com.geode.launcher.utils.usePreference
@@ -31,6 +32,7 @@ class MainActivity : ComponentActivity() {
         super.onCreate(savedInstanceState)
 
         val gdInstalled = LaunchUtils.isGeometryDashInstalled(packageManager)
+        val geodeInstalled = LaunchUtils.isGeodeInstalled(this)
 
         setContent {
             GeodeLauncherTheme {
@@ -38,20 +40,29 @@ class MainActivity : ComponentActivity() {
                     modifier = Modifier.fillMaxSize(),
                     color = MaterialTheme.colorScheme.background
                 ) {
-                    MainScreen(gdInstalled)
+                    MainScreen(gdInstalled, geodeInstalled)
                 }
             }
         }
-        if (gdInstalled) {
+        if (gdInstalled && geodeInstalled) {
             intent.getBooleanExtra("restarted", false).let {
                 if (it) {
                     onLaunch(this)
                 }
             }
         }
+
+        if (gdInstalled && !geodeInstalled) {
+            downloadGeode(this)
+        }
     }
 }
 
+fun downloadGeode(context: Context) {
+    // download geode in the background and update the screen when it's done
+    DownloadGeode(context).execute(Constants.GEODE_DOWNLOAD_LINK)
+}
+
 fun onLaunch(context: Context) {
     val launchIntent = Intent(context, GeometryDashActivity::class.java)
     launchIntent.flags = Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK
@@ -65,7 +76,7 @@ fun onSettings(context: Context) {
 }
 
 @Composable
-fun MainScreen(gdInstalled: Boolean = true) {
+fun MainScreen(gdInstalled: Boolean = true, geodeInstalled: Boolean = true) {
     val context = LocalContext.current
 
     val shouldAutomaticallyLaunch = usePreference(
@@ -88,7 +99,7 @@ fun MainScreen(gdInstalled: Boolean = true) {
             fontSize = 32.sp,
             modifier = Modifier.padding(12.dp)
         )
-        if (gdInstalled) {
+        if (gdInstalled && geodeInstalled) {
             if (shouldAutomaticallyLaunch.value) {
                 val countdownTimer = useCountdownTimer(
                     time = 3000,
@@ -129,6 +140,19 @@ fun MainScreen(gdInstalled: Boolean = true) {
                     )
                 }
             }
+        } else if (gdInstalled && !geodeInstalled) {
+            Text(
+                context.getString(R.string.geode_download_title),
+                modifier = Modifier.padding(12.dp)
+            )
+            OutlinedButton(onClick = { onSettings(context) }) {
+                Icon(
+                    Icons.Filled.Settings,
+                    contentDescription = context.getString(R.string.launcher_settings_icon_alt)
+                )
+                Spacer(Modifier.size(ButtonDefaults.IconSpacing))
+                Text(context.getString(R.string.launcher_settings))
+            }
         } else {
             Text(
                 context.getString(R.string.game_not_found),

app/src/main/java/com/geode/launcher/utils/Constants.kt

@@ -12,4 +12,6 @@ object Constants {
     // this value is hardcoded into GD
     @SuppressLint("SdCardPath")
     const val GJ_DATA_DIR = "/data/data/${PACKAGE_NAME}"
+
+    const val GEODE_DOWNLOAD_LINK = "https://nightly.link/geode-sdk/geode/actions/artifacts/978429662.zip"
 }

app/src/main/java/com/geode/launcher/utils/LaunchUtils.kt

@@ -3,6 +3,9 @@ package com.geode.launcher.utils
 import android.content.pm.PackageInfo
 import android.content.pm.PackageManager
 import android.content.res.AssetManager
+import android.content.Context
+import com.geode.launcher.utils.Constants
+import java.io.File
 
 object LaunchUtils {
     fun isGeometryDashInstalled(packageManager: PackageManager): Boolean {
@@ -14,6 +17,24 @@ object LaunchUtils {
         }
     }
 
+    fun getInstalledGeodePath(context: Context): File? {
+        val internalGeodePath = File(context.filesDir.path, "launcher/Geode.so")
+        if (internalGeodePath.exists()) {
+            return internalGeodePath
+        }
+        context.getExternalFilesDir(null)?.let { dir->
+            val externalGeodePath = File(dir.path, "Geode.so")
+            if (externalGeodePath.exists()) {
+                return externalGeodePath
+            }
+        }
+        return null
+    }
+
+    fun isGeodeInstalled(context: Context): Boolean {
+        return getInstalledGeodePath(context) != null
+    }
+
     fun addAssetsFromPackage(assetManager: AssetManager, packageInfo: PackageInfo) {
         // this method is officially marked as deprecated but it is the only method we are allowed to reflect
         // (the source recommends replacing with AssetManager.setApkAssets(ApkAssets[], boolean) lol)

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

@@ -10,6 +10,8 @@
     <string name="launcher_logo_alt">geode logo</string>
     <string name="launcher_launch_icon_alt">play icon</string>
     <string name="launcher_settings_icon_alt">settings icon</string>
+    <string name="geode_download_title">Downloading Geode</string>
+    <string name="geode_download_description">Geode is downloading. Please wait.</string>
     <plurals name="automatically_load_countdown">
         <item quantity="one">Automatically launching game in %1$d second.</item>
         <item quantity="other">Automatically launching game in %1$d seconds.</item>