allow the framework to access a Sensor's handle

this is needed in another CL to fix an issue where
sensors power usage is always reported as 0.

Change-Id: Ie496b98bf4b7e69911bdc99bee14cc924e1d71e8

2 files changed, 7 insertions, 1 deletions

diff --git a/core/java/android/hardware/Sensor.java b/core/java/android/hardware/Sensor.java
index e0c9d2c9c436..41384d2209c1 100644
--- a/core/java/android/hardware/Sensor.java
+++ b/core/java/android/hardware/Sensor.java
@@ -194,7 +194,8 @@ public final class Sensor {
         return mMinDelay;
     }
 
-    int getHandle() {
+    /** @hide */
+    public int getHandle() {
         return mHandle;
     }
 
diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index abbb6a1a5c4e..499ec77e3d09 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -301,6 +301,11 @@ public abstract class BatteryStats implements Parcelable {
         public abstract int getUserActivityCount(int type, int which);
         
         public static abstract class Sensor {
+            /*
+             * FIXME: it's not correct to use this magic value because it
+             * could clash with a sensor handle (which are defined by
+             * the sensor HAL, and therefore out of our control
+             */
             // Magic sensor number for the GPS.
             public static final int GPS = -10000;