From f5a58056106f75a378df8d4ac2c39cda30096dd0 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Mon, 29 Jul 2019 12:35:28 +0200
Subject: [PATCH] stop crash if hotspot returns null WifiConfiguration

java.lang.NullPointerException: Attempt to read from field 'java.lang.String android.net.wifi.WifiConfiguration.SSID' on a null object reference
	at org.fdroid.fdroid.nearby.StartSwapView.uiUpdateWifiNetwork(StartSwapView.java:226)
	at org.fdroid.fdroid.nearby.StartSwapView.uiInitWifi(StartSwapView.java:211)
	at org.fdroid.fdroid.nearby.StartSwapView.onFinishInflate(StartSwapView.java:111)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:876)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
	at org.fdroid.fdroid.nearby.SwapWorkflowActivity.inflateSwapView(SwapWorkflowActivity.java:488)
	at org.fdroid.fdroid.nearby.SwapWorkflowActivity.showIntro(SwapWorkflowActivity.java:541)
	at org.fdroid.fdroid.nearby.SwapWorkflowActivity.showRelevantView(SwapWorkflowActivity.java:468)
	at org.fdroid.fdroid.nearby.SwapWorkflowActivity.access$100(SwapWorkflowActivity.java:86)
	at org.fdroid.fdroid.nearby.SwapWorkflowActivity$1.onServiceConnected(SwapWorkflowActivity.java:135)
	at android.app.LoadedApk$ServiceDispatcher.doConnected(LoadedApk.java:1652)
	at android.app.LoadedApk$ServiceDispatcher$RunConnection.run(LoadedApk.java:1681)
	at android.os.Handler.handleCallback(Handler.java:790)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loop(Looper.java:164)
	at android.app.ActivityThread.main(ActivityThread.java:6494)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:440)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
---
 .../full/java/org/fdroid/fdroid/nearby/StartSwapView.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/src/full/java/org/fdroid/fdroid/nearby/StartSwapView.java b/app/src/full/java/org/fdroid/fdroid/nearby/StartSwapView.java
index 177da7ee9..fe04772da 100644
--- a/app/src/full/java/org/fdroid/fdroid/nearby/StartSwapView.java
+++ b/app/src/full/java/org/fdroid/fdroid/nearby/StartSwapView.java
@@ -223,7 +223,13 @@ public class StartSwapView extends SwapView {
             if (textWifiVisible != null) {
                 textWifiVisible.setText(R.string.swap_visible_hotspot);
             }
-            viewWifiNetwork.setText(getContext().getString(R.string.swap_active_hotspot, config.SSID));
+            Context context = getContext();
+            if (config == null) {
+                viewWifiNetwork.setText(context.getString(R.string.swap_active_hotspot,
+                        context.getString(R.string.swap_blank_wifi_ssid)));
+            } else {
+                viewWifiNetwork.setText(context.getString(R.string.swap_active_hotspot, config.SSID));
+            }
         } else if (TextUtils.isEmpty(FDroidApp.ssid)) {
             // not connected to or setup with any wifi network
             viewWifiNetwork.setText(R.string.swap_no_wifi_network);