[FEAT] v1 for testing with backend (Repaired saving values in inputs on screen flip)

Author: JanF01

app/src/main/java/com/example/blockchainaccess/CreateProfileActivity.kt

@@ -31,6 +31,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import android.content.Context
 import androidx.compose.runtime.*
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.painterResource
@@ -60,10 +61,10 @@ class CreateProfileActivity : ComponentActivity() {
 fun CreateProfileScreen(name: String, modifier: Modifier = Modifier) {
     val context = LocalContext.current
     val coroutineScope = rememberCoroutineScope()
-    var username by remember { mutableStateOf("") }
-    var password by remember { mutableStateOf("") }
-    var repeatPassword by remember { mutableStateOf("") }
-    var selectedPort by remember { mutableStateOf("8081") }
+    var username by rememberSaveable { mutableStateOf("") }
+    var password by rememberSaveable { mutableStateOf("") }
+    var repeatPassword by rememberSaveable { mutableStateOf("") }
+    var selectedPort by rememberSaveable { mutableStateOf("8081") }
     var showPortDropdown by remember { mutableStateOf(false) }
     Scaffold {
         Box(

app/src/main/java/com/example/blockchainaccess/LoginActivity.kt

@@ -31,6 +31,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import android.content.Context
 import androidx.compose.runtime.*
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.painterResource
@@ -60,9 +61,9 @@ class LoginActivity : ComponentActivity() {
 fun LoginScreen(name: String, modifier: Modifier = Modifier) {
     val context = LocalContext.current
     val coroutineScope = rememberCoroutineScope()
-    var username by remember { mutableStateOf("") }
-    var password by remember { mutableStateOf("") }
-    var selectedPort by remember { mutableStateOf("8081") }
+    var username by rememberSaveable { mutableStateOf("") }
+    var password by rememberSaveable { mutableStateOf("") }
+    var selectedPort by rememberSaveable { mutableStateOf("8081") }
     var showPortDropdown by remember { mutableStateOf(false) }
     Scaffold {
         Box(