Merge "Adds config flag for USB notification." into cw-e-dev

core/res/res/values-watch/config.xml

@@ -51,4 +51,7 @@
     <!-- Scale factor threshold used by the screen magnifier to determine when to switch from
          panning to scaling the magnification viewport. -->
     <item name="config_screen_magnification_scaling_threshold" format="float" type="dimen">0.1</item>
+
+    <!-- Do not show the message saying USB is connected in charging mode. -->
+    <bool name="config_usbChargingMessage">false</bool>
 </resources>

core/res/res/values/config.xml

@@ -248,7 +248,7 @@
     <integer name="config_networkTransitionTimeout">60000</integer>
 
     <!-- List of regexpressions describing the interface (if any) that represent tetherable
-         USB interfaces.  If the device doesn't want to support tething over USB this should
+         USB interfaces.  If the device doesn't want to support tethering over USB this should
          be empty.  An example would be "usb.*" -->
     <string-array translatable="false" name="config_tether_usb_regexs">
     </string-array>
@@ -543,6 +543,9 @@
     <!-- If this is true, the screen will come on when you unplug usb/power/whatever. -->
     <bool name="config_unplugTurnsOnScreen">false</bool>
 
+    <!-- If this is true, the message that USB is only being used for charging will be shown. -->
+    <bool name="config_usbChargingMessage">true</bool>
+
     <!-- Set this true only if the device has separate attention and notification lights. -->
     <bool name="config_useAttentionLight">false</bool>
 

core/res/res/values/symbols.xml

@@ -1633,6 +1633,7 @@
   <java-symbol type="bool" name="config_enableNetworkLocationOverlay" />
   <java-symbol type="bool" name="config_sf_limitedAlpha" />
   <java-symbol type="bool" name="config_unplugTurnsOnScreen" />
+  <java-symbol type="bool" name="config_usbChargingMessage" />
   <java-symbol type="bool" name="config_allowAutoBrightnessWhileDozing" />
   <java-symbol type="bool" name="config_allowTheaterModeWakeFromUnplug" />
   <java-symbol type="bool" name="config_allowTheaterModeWakeFromGesture" />

services/usb/java/com/android/server/usb/UsbDeviceManager.java

@@ -233,7 +233,8 @@ public class UsbDeviceManager {
         final StorageManager storageManager = StorageManager.from(mContext);
         final StorageVolume primary = storageManager.getPrimaryVolume();
         massStorageSupported = primary != null && primary.allowMassStorage();
-        mUseUsbNotification = !massStorageSupported;
+        mUseUsbNotification = !massStorageSupported && mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_usbChargingMessage);
 
         // make sure the ADB_ENABLED setting value matches the current state
         try {