From aadf2f54b798e5bcf677132a6231d200a3de3461 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8F=8C=E8=8D=89=E9=85=B8=E9=85=AF?=
 <17663689+kotori2@users.noreply.github.com>
Date: Wed, 3 Feb 2021 03:47:59 +0800
Subject: [PATCH] [manager] Fix null pointer (#55)

---
 .../manager/ui/activity/MainActivity.java     | 29 ++++++++++---------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/app/src/main/java/io/github/lsposed/manager/ui/activity/MainActivity.java b/app/src/main/java/io/github/lsposed/manager/ui/activity/MainActivity.java
index a524a297..5670a099 100644
--- a/app/src/main/java/io/github/lsposed/manager/ui/activity/MainActivity.java
+++ b/app/src/main/java/io/github/lsposed/manager/ui/activity/MainActivity.java
@@ -33,20 +33,23 @@ public class MainActivity extends BaseActivity {
         super.onCreate(savedInstanceState);
 
         // make sure the versions are consistent
-        Version managerVersion = new Version(BuildConfig.VERSION_NAME);
-        Version coreVersion = new Version(Constants.getXposedVersion());
+        String coreVersionStr = Constants.getXposedVersion();
 
-        if (!managerVersion.equals(coreVersion)) {
-            AlertDialog.Builder builder = new AlertDialog.Builder(this);
-            builder.setMessage(R.string.outdated_manager)
-                    .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
-                        public void onClick(DialogInterface dialog, int id) {
-                            android.os.Process.killProcess(android.os.Process.myPid());
-                        }
-                    })
-                    .setCancelable(false);
-            Dialog dlg = builder.create();
-            dlg.show();
+        if (coreVersionStr != null) {
+            Version managerVersion = new Version(BuildConfig.VERSION_NAME);
+            Version coreVersion = new Version(coreVersionStr);
+            if (!managerVersion.equals(coreVersion)) {
+                AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                builder.setMessage(R.string.outdated_manager)
+                        .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int id) {
+                                android.os.Process.killProcess(android.os.Process.myPid());
+                            }
+                        })
+                        .setCancelable(false);
+                Dialog dlg = builder.create();
+                dlg.show();
+            }
         }
 
         binding = ActivityMainBinding.inflate(getLayoutInflater());