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Overview

NetworkHelper is a utility class that provides methods to verify network availability on the device. It uses Android’s ConnectivityManager to check for active internet connections. Package: com.bsvillarraga.spaceflightnews.core.network Source: NetworkHelper.kt:11

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Constructor

class NetworkHelper @Inject constructor(private val context: Context)
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context
Context
required
Android context used to access system services. Injected via Dagger/Hilt.

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Methods

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isNetworkAvailable

Checks if the device has an active internet connection. 
fun isNetworkAvailable(): Boolean
Returns: Boolean
  • true if an active network connection with internet capability is available
  • false if no network connection is available or the connection lacks internet capability
Example: 
class MyViewModel @Inject constructor(
    private val networkHelper: NetworkHelper
) : ViewModel() {
    
    fun fetchData() {
        if (networkHelper.isNetworkAvailable()) {
            // Proceed with network request
            loadDataFromApi()
        } else {
            // Show offline message
            showOfflineError()
        }
    }
}

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Implementation Details

The method performs the following checks:
  1. Gets the ConnectivityManager system service
  2. Retrieves the active network
  3. Gets the network capabilities for the active network
  4. Verifies the network has NET_CAPABILITY_INTERNET

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Dependencies

This class uses the following Android APIs:
  • android.net.ConnectivityManager
  • android.net.NetworkCapabilities

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Injection

This class is designed to be injected using Dagger/Hilt: 
@HiltViewModel
class ArticleViewModel @Inject constructor(
    private val networkHelper: NetworkHelper,
    private val repository: ArticleRepository
) : ViewModel() {
    // ...
}

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