fix: bug when connection is lost

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

@@ -2,6 +2,8 @@ package com.example.myapplication
 
 import android.annotation.SuppressLint
 import android.content.Intent
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.view.animation.AnimationUtils
@@ -29,17 +31,39 @@ class SplashScreenActivity : AppCompatActivity() {
 
         Handler(Looper.getMainLooper()).postDelayed({
             lifecycleScope.launch {
-                if (authRepository.checkToken()) {
-                    Log.d("SplashScreenActivity", "Token is valid, going to MainActivity")
+                if (!isNetworkAvailable()) {
+                    Log.d("SplashScreenActivity", "No network available")
                     startActivity(Intent(this@SplashScreenActivity, MainActivity::class.java))
-                    startService(Intent(this@SplashScreenActivity, JWTAuthChecker::class.java))
                 } else {
-                    Log.d("SplashScreenActivity", "Token is invalid or not found, going to LoginActivity")
-                    startActivity(Intent(this@SplashScreenActivity, LoginActivity::class.java))
+                    val isTokenValid = authRepository.checkToken()
+                    Log.d("SplashScreenActivity", "Token is valid: $isTokenValid")
+
+                    if (!isTokenValid) {
+                        val intent = Intent(this@SplashScreenActivity, LoginActivity::class.java)
+                        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+                        startActivity(intent)
+                    } else {
+                        val jwtIntent = Intent(this@SplashScreenActivity, JWTAuthChecker::class.java)
+                        startService(jwtIntent)
+                        val mainIntent = Intent(this@SplashScreenActivity, MainActivity::class.java)
+                        startActivity(mainIntent)
+                    }
                 }
                 finish()
             }
         }, 3000)
 
     }
+
+    private fun isNetworkAvailable(): Boolean {
+        val connectivityManager = getSystemService(CONNECTIVITY_SERVICE) as ConnectivityManager
+        val network = connectivityManager.activeNetwork ?: return false
+        val activeNetwork = connectivityManager.getNetworkCapabilities(network) ?: return false
+        return when {
+            activeNetwork.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) -> true
+            activeNetwork.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) -> true
+            activeNetwork.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET) -> true
+            else -> false
+        }
+    }
 }
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