# Temukan bug-nya: Android

> Satu potongan kode. Temukan bug-nya, atau buktikan tidak ada.

Tantangan harian: 2026-08-19 (UTC) · Mid-Level

```kotlin
import androidx.lifecycle.ViewModel
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.launch

class UserViewModel(private val repository: UserRepository) : ViewModel() {

    private val _user = MutableStateFlow<User?>(null)
    val user: StateFlow<User?> = _user.asStateFlow()

    fun loadUser(id: String) {
        GlobalScope.launch {
            _user.value = repository.fetchUser(id)
        }
    }
}
```

## Keputusanmu

- Celah keamanan
- Bug logika
- Gaya kode
- Tidak ada masalah

Satu percobaan per hari. Jawaban muncul langsung setelahnya.

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