Beiträge von haegar

    fun isOnline(context: Context): Boolean {
        Log.i("Internet", "check connectivityManager")
        val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
        if (connectivityManager != null) {
            Log.i("Internet", "connectivityManager erstellt")
            val capabilities = connectivityManager.getNetworkCapabilities(connectivityManager.activeNetwork)
            if (capabilities != null) {  // <-- hier ist capabiliteies = null
                Log.i("Internet", " capabilities")
                if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
                    Log.i("Internet", "NetworkCapabilities.TRANSPORT_CELLULAR")
                    return true
                } else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
                    Log.i("Internet", "NetworkCapabilities.TRANSPORT_WIFI")
                    return true
                } else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)) {
                    Log.i("Internet", "NetworkCapabilities.TRANSPORT_ETHERNET")
                    return true
                }
            }
            else {
                Log.i("Internet", "keine capabilities")  // <-- da capabilities = null, kommt der Code immer zu dieser Log-Ausgabe
            }
        }
        else {
            Log.i("Internet", "kein connectivityManager")
        }
        return false
    }
}

package de.meinProjekt.ui.notifications

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.fragment.app.Fragment
import androidx.lifecycle.ViewModelProvider
import de.meinProjekt.databinding.FragmentNotificationsBinding

class NotificationsFragment : Fragment() {

    private var _binding: FragmentNotificationsBinding? = null

    // This property is only valid between onCreateView and
    // onDestroyView.
    private val binding get() = _binding!!

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        val notificationsViewModel =
            ViewModelProvider(this).get(NotificationsViewModel::class.java)

        _binding = FragmentNotificationsBinding.inflate(inflater, container, false)
        val root: View = binding.root

        val textView: TextView = binding.textNotifications
        notificationsViewModel.text.observe(viewLifecycleOwner) {
            textView.text = it
        }
        // hier müsste irgendwie eine Referenz auf den Button erstellt werden, damit diese im OnClick wieder verwendet werden kann ??

        return root
    }

    override fun onDestroyView() {
        super.onDestroyView()
        _binding = null
    }

    // eigene Methoden
    // hier müsste irgendwie die OnClick-Behandlung des Buttons hin ??
}