redirect main to launch

app/src/main/java/com/robtopx/geometryjump/LaunchUtils.kt

@@ -1,5 +1,6 @@
 package com.robtopx.geometryjump
 
+import android.content.pm.PackageManager
 import dalvik.system.BaseDexClassLoader
 import java.io.File
 
@@ -41,4 +42,12 @@ object LaunchUtils {
         }
     }
 
+    fun isGeometryDashInstalled(packageManager: PackageManager): Boolean {
+        return try {
+            packageManager.getPackageInfo(GJConstants.PACKAGE_NAME, 0)
+            true
+        } catch (e: PackageManager.NameNotFoundException) {
+            false
+        }
+    }
 }

app/src/main/java/dev/xyze/geodelauncher/GeometryDashActivity.kt

@@ -1,10 +1,9 @@
 package dev.xyze.geodelauncher
 
+import android.content.Intent
 import android.content.pm.ActivityInfo
-import android.os.Build
 import android.os.Bundle
 import android.os.Environment
-import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.compose.foundation.layout.fillMaxSize
@@ -32,6 +31,14 @@ class GeometryDashActivity : ComponentActivity(), Cocos2dxHelper.Cocos2dxHelperL
     override fun onCreate(savedInstanceState: Bundle?) {
         setupUIState()
 
+        // return back to main if Geometry Dash isn't found
+        if (!LaunchUtils.isGeometryDashInstalled(packageManager)) {
+            val launchIntent = Intent(this, MainActivity::class.java)
+            launchIntent.flags = Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK
+
+            startActivity(launchIntent)
+        }
+
         val gdPackageInfo = packageManager.getPackageInfo(GJConstants.PACKAGE_NAME, 0)
         val gdNativeLibraryPath = "${gdPackageInfo.applicationInfo.nativeLibraryDir}/"
 

app/src/main/java/dev/xyze/geodelauncher/MainActivity.kt

@@ -2,7 +2,6 @@ package dev.xyze.geodelauncher
 
 import android.content.Context
 import android.content.Intent
-import android.content.pm.PackageManager
 import android.os.Bundle
 import android.widget.Toast
 import androidx.activity.ComponentActivity
@@ -21,7 +20,7 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import com.robtopx.geometryjump.GJConstants
+import com.robtopx.geometryjump.LaunchUtils
 import dev.xyze.geodelauncher.ui.theme.GeodeLauncherTheme
 
 
@@ -29,7 +28,7 @@ class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        val gdInstalled = isGeometryDashInstalled(packageManager)
+        val gdInstalled = LaunchUtils.isGeometryDashInstalled(packageManager)
 
         setContent {
             GeodeLauncherTheme {
@@ -52,15 +51,6 @@ fun onSettings(context: Context) {
     Toast.makeText(context, "Settings are not implemented yet!", Toast.LENGTH_SHORT).show()
 }
 
-fun isGeometryDashInstalled(packageManager: PackageManager): Boolean {
-    return try {
-        packageManager.getPackageInfo(GJConstants.PACKAGE_NAME, 0)
-        true
-    } catch (e: PackageManager.NameNotFoundException) {
-        false
-    }
-}
-
 @Composable
 fun MainScreen(gdInstalled: Boolean = true) {
     val context = LocalContext.current