Add float support to binary event log.

Bug: 20664753
Change-Id: I90456400b878f943e39cbddec45649662176e2aa

1 files changed, 15 insertions, 3 deletions

diff --git a/core/java/android/util/EventLog.java b/core/java/android/util/EventLog.java
index aefced8..558b8f5 100644
--- a/core/java/android/util/EventLog.java
+++ b/core/java/android/util/EventLog.java
@@ -74,6 +74,7 @@ public class EventLog {
         private static final byte LONG_TYPE   = 1;
         private static final byte STRING_TYPE = 2;
         private static final byte LIST_TYPE   = 3;
+        private static final byte FLOAT_TYPE = 4;
 
         /** @param data containing event, read from the system */
         /*package*/ Event(byte[] data) {
@@ -106,7 +107,7 @@ public class EventLog {
             return mBuffer.getInt(offset);
         }
 
-        /** @return one of Integer, Long, String, null, or Object[] of same. */
+        /** @return one of Integer, Long, Float, String, null, or Object[] of same. */
         public synchronized Object getData() {
             try {
                 int offset = mBuffer.getShort(HEADER_SIZE_OFFSET);
@@ -130,10 +131,13 @@ public class EventLog {
             byte type = mBuffer.get();
             switch (type) {
             case INT_TYPE:
-                return (Integer) mBuffer.getInt();
+                return mBuffer.getInt();
 
             case LONG_TYPE:
-                return (Long) mBuffer.getLong();
+                return mBuffer.getLong();
+
+            case FLOAT_TYPE:
+                return mBuffer.getFloat();
 
             case STRING_TYPE:
                 try {
@@ -180,6 +184,14 @@ public class EventLog {
     /**
      * Record an event log message.
      * @param tag The event type tag code
+     * @param value A value to log
+     * @return The number of bytes written
+     */
+    public static native int writeEvent(int tag, float value);
+
+    /**
+     * Record an event log message.
+     * @param tag The event type tag code
      * @param str A value to log
      * @return The number of bytes written
      */