From 096b7132c4c79f12dc55addf72fb30e7a8960030 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Thu, 10 Nov 2016 12:55:35 +0100
Subject: [PATCH] prevent AppDetailsHeaderFragment crash in startProgress()

The real solution would involve figuring out where to handle this in the
right spot in the lifecycle.  Since AppDetails is being totally replaced,
this is just to stop the crashing.

closes #802
---
 app/src/main/java/org/fdroid/fdroid/AppDetails.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/org/fdroid/fdroid/AppDetails.java b/app/src/main/java/org/fdroid/fdroid/AppDetails.java
index 524b35a09..1def0e6ed 100644
--- a/app/src/main/java/org/fdroid/fdroid/AppDetails.java
+++ b/app/src/main/java/org/fdroid/fdroid/AppDetails.java
@@ -1525,8 +1525,10 @@ public class AppDetails extends AppCompatActivity {
 
         public void startProgress(boolean allowCancel) {
             cancelButton.setVisibility(allowCancel ? View.VISIBLE : View.GONE);
-            showIndeterminateProgress(getString(R.string.download_pending));
-            updateViews();
+            if (isAdded()) {
+                showIndeterminateProgress(getString(R.string.download_pending));
+                updateViews();
+            }
         }
 
         private void showIndeterminateProgress(String message) {