Added a debug panel

final

app/src/main/java/com/geeksville/mesh/ui/DebugFragment.kt

@@ -0,0 +1,50 @@
+package com.geeksville.mesh.ui
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.viewModels
+import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.geeksville.mesh.R
+import com.geeksville.mesh.model.UIViewModel
+import kotlinx.android.synthetic.main.debug_fragment.*
+
+class DebugFragment : Fragment() {
+
+    val model: UIViewModel by viewModels()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+
+        return inflater.inflate(R.layout.debug_fragment, container, false)
+    }
+    //Button to clear All log
+
+    //List all log
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        val recyclerView = view.findViewById<RecyclerView>(R.id.packets_recyclerview)
+        val adapter = PacketListAdapter(requireContext())
+
+        recyclerView.adapter = adapter
+        recyclerView.layoutManager = LinearLayoutManager(requireContext())
+
+        clearButton.setOnClickListener {
+            model.deleteAllPacket()
+        }
+
+        closeButton.setOnClickListener{
+            parentFragmentManager.popBackStack();
+        }
+        model.allPackets.observe(viewLifecycleOwner, Observer {
+            packets -> packets?.let { adapter.setPackets(it) }
+        })
+    }
+}

app/src/main/java/com/geeksville/mesh/ui/PacketListAdapter.kt

@@ -0,0 +1,49 @@
+package com.geeksville.mesh.ui
+
+import android.content.Context
+import java.text.DateFormat
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.geeksville.mesh.R
+import com.geeksville.mesh.database.entity.Packet
+import java.util.*
+
+class PacketListAdapter internal constructor(
+    context: Context
+) : RecyclerView.Adapter<PacketListAdapter.PacketViewHolder>() {
+
+    private val inflater: LayoutInflater = LayoutInflater.from(context)
+    private var packets = emptyList<Packet>()
+
+    private val timeFormat: DateFormat = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM)
+
+    inner class PacketViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        val packetTypeView: TextView = itemView.findViewById(R.id.type)
+        val packetDateReceivedView: TextView = itemView.findViewById(R.id.dateReceived)
+        val packetRawMessage : TextView = itemView.findViewById(R.id.rawMessage)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PacketViewHolder {
+        val itemView = inflater.inflate(R.layout.adapter_packet_layout, parent, false)
+        return PacketViewHolder(itemView)
+    }
+
+    override fun onBindViewHolder(holder: PacketViewHolder, position: Int) {
+        val current = packets[position]
+        holder.packetTypeView.text = current.message_type
+        holder.packetRawMessage.text = current.raw_message
+        val date = Date(current.received_date)
+        holder.packetDateReceivedView.text = timeFormat.format(date)
+    }
+
+    internal fun setPackets(packets: List<Packet>) {
+        this.packets = packets
+        notifyDataSetChanged()
+    }
+
+    override fun getItemCount() = packets.size
+
+}