Fix monkey crash

Test: runtest systemui
Change-Id: I6706a9e1bb7935d709f10c192f421fe1d321fe1d
Fixes: 36779672

packages/SystemUI/src/com/android/systemui/qs/QSDetail.java

diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java b/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
index 9efe224..d2a2919 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
@@ -242,7 +242,7 @@
         mDetailSettingsButton.setVisibility(settingsIntent != null ? VISIBLE : GONE);
         mDetailSettingsButton.setOnClickListener(v -> {
             Dependency.get(MetricsLogger.class).action(ACTION_QS_MORE_SETTINGS,
-                    mDetailAdapter.getMetricsCategory());
+                    adapter.getMetricsCategory());
             Dependency.get(ActivityStarter.class)
                     .postStartActivityDismissingKeyguard(settingsIntent, 0);
         });

packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java

diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java
index c67cccc..8609eeb 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java
@@ -100,4 +100,10 @@
         ViewUtils.detachView(mQsDetail);
         mTestableLooper.processAllMessages();
     }
+
+    @Test
+    public void testNullAdapterClick() {
+        mQsDetail.setupDetailFooter(mock(DetailAdapter.class));
+        mQsDetail.findViewById(android.R.id.button2).performClick();
+    }
 }