From 5a4f238c7421b348e253850fc82d6a890670eade Mon Sep 17 00:00:00 2001
From: Anton Weber <anton@antweb.me>
Date: Thu, 22 Aug 2019 14:33:42 +0200
Subject: [PATCH] ScannerListAdapter: Fix jumpy UI.
---
.../ccc/events/badge/card10/scanner/ScannerListAdapter.kt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/app/src/main/java/de/ccc/events/badge/card10/scanner/ScannerListAdapter.kt b/app/src/main/java/de/ccc/events/badge/card10/scanner/ScannerListAdapter.kt
index 7818d6c..b9deeaf 100644
--- a/app/src/main/java/de/ccc/events/badge/card10/scanner/ScannerListAdapter.kt
+++ b/app/src/main/java/de/ccc/events/badge/card10/scanner/ScannerListAdapter.kt
@@ -26,10 +26,12 @@ import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import java.util.*
+import kotlin.collections.HashSet
class ScannerListAdapter(val clickListener: (Device) -> Unit) : RecyclerView.Adapter<DeviceViewHolder>() {
private val list = LinkedList<Device>()
+ private val foundDevices = mutableSetOf<String>()
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): DeviceViewHolder {
val inflater = LayoutInflater.from(parent.context)
@@ -44,6 +46,12 @@ class ScannerListAdapter(val clickListener: (Device) -> Unit) : RecyclerView.Ada
override fun getItemCount(): Int = list.size
fun put(device: Device) {
+ if (foundDevices.contains(device.btMac)) {
+ return
+ } else {
+ foundDevices.add(device.btMac)
+ }
+
list.remove(device)
list.add(device)
notifyDataSetChanged()
--
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