UsbManager: Don't display activity picker if there are no apps available for a device

BUG: 3506988

Change-Id: Iaf3c50b9ba422e6bcd687338db996a4193441c97
Signed-off-by: Mike Lockwood <lockwood@android.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/services/java/com/android/server/usb/UsbDeviceSettingsManager.java b/services/java/com/android/server/usb/UsbDeviceSettingsManager.java
index 9a96e7fe4c3d..b2d169aa03eb 100644
--- a/services/java/com/android/server/usb/UsbDeviceSettingsManager.java
+++ b/services/java/com/android/server/usb/UsbDeviceSettingsManager.java
@@ -615,8 +615,11 @@ class UsbDeviceSettingsManager {
             defaultPackage = mDevicePreferenceMap.get(new DeviceFilter(device));
         }
 
+        int count = matches.size();
+        // don't show the resolver activity if there are no choices available
+        if (count == 0) return;
+
         if (defaultPackage != null) {
-            int count = matches.size();
             for (int i = 0; i < count; i++) {
                 ResolveInfo rInfo = matches.get(i);
                 if (rInfo.activityInfo != null &&