Fix NPE with UsbManager

Not all devices have USB.

Test: no NPE starting the settings app.
Change-Id: I6e0bf5084e4fa225522c4d0d3187730a47058507

1 files changed, 5 insertions, 1 deletions

diff --git a/packages/SettingsLib/src/com/android/settingslib/Utils.java b/packages/SettingsLib/src/com/android/settingslib/Utils.java
index 563f02d95f3c..c2506d353d14 100644
--- a/packages/SettingsLib/src/com/android/settingslib/Utils.java
+++ b/packages/SettingsLib/src/com/android/settingslib/Utils.java
@@ -765,7 +765,11 @@ public class Utils {
             return false;
         }
 
-        final List<UsbPort> usbPortList = context.getSystemService(UsbManager.class).getPorts();
+        final UsbManager usbManager = context.getSystemService(UsbManager.class);
+        if (usbManager == null) {
+            return false;
+        }
+        final List<UsbPort> usbPortList = usbManager.getPorts();
         if (usbPortList == null || usbPortList.isEmpty()) {
             return false;
         }