From a294d9c4caf17af6f0d65c66d63d9bc43d48ed69 Mon Sep 17 00:00:00 2001
From: Aleksandras Kostarevas <aleks076@protonmail.com>
Date: Tue, 12 Mar 2024 11:44:33 -0500
Subject: [PATCH] Fix potential crash related to fullContext

---
 .../futo/inputmethod/latin/RichInputConnection.java  | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/java/src/org/futo/inputmethod/latin/RichInputConnection.java b/java/src/org/futo/inputmethod/latin/RichInputConnection.java
index b8dfba59e..d28effc34 100644
--- a/java/src/org/futo/inputmethod/latin/RichInputConnection.java
+++ b/java/src/org/futo/inputmethod/latin/RichInputConnection.java
@@ -686,11 +686,15 @@ public final class RichInputConnection implements PrivateCommandPerformer {
         NgramContext ngramContext = NgramContextUtils.getNgramContextFromNthPreviousWord(
                 prev, spacingAndPunctuations, n);
 
-        ngramContext.fullContext = getTextBeforeCursor(4096, 0).toString();
-
-        if(ngramContext.fullContext.length() == 4096) {
-            ngramContext.fullContext = String.join(" ",ngramContext.fullContext.split(" ")).substring(ngramContext.fullContext.split(" ")[0].length()+1);
+        CharSequence seq = getTextBeforeCursor(4096, 0);
+        if(seq != null) {
+            ngramContext.fullContext = seq.toString();
 
+            if (ngramContext.fullContext.length() == 4096) {
+                ngramContext.fullContext = String.join(" ", ngramContext.fullContext.split(" ")).substring(ngramContext.fullContext.split(" ")[0].length() + 1);
+            }
+        } else {
+            ngramContext.fullContext = "";
         }
 
         return ngramContext;