auth to server-V22

app/src/main/java/com/example/login_v3/auth/login/Login_Page.kt

@@ -28,6 +28,7 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TextField
 import androidx.compose.material3.TextFieldDefaults
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -67,6 +68,7 @@ fun LoginScreen(
 ){
 
     val uiState by viewModel.loginState.collectAsStateWithLifecycle()
+    val isLoading = uiState is LoginUiState.Loading
     var username by remember { mutableStateOf("") }
     var password by remember { mutableStateOf("") }
     var passwordVisible by remember { mutableStateOf(false) }
@@ -240,6 +242,10 @@ fun LoginScreen(
                     else -> {}
                 }
 
+
+                if (isLoading) {
+                    CircularProgressIndicator(color = Color.White)
+                } else {
                     Button(
                         shape = RoundedCornerShape(8.dp),
                         onClick = {
@@ -257,6 +263,13 @@ fun LoginScreen(
                     ) {
                         Text( text = "Login")
                     }
+                }
+
+                LaunchedEffect(uiState) {
+                    if (uiState is LoginUiState.Success) {
+                        onLoginSuccess() // 觸發跳轉邏輯
+                    }
+                }
 
 
                 Spacer(modifier = Modifier.height(16.dp))