Fix UNKNOWN keycode parsing in monkey.

Reported here: http://code.google.com/p/android/issues/detail?id=25369

Change the monkey's keycode parsing code to check
KeyEvent.KEYCODE_UNKNOWN instead of -1.

Change-Id: I2caa82980b83c49614a318d38c0257a5587c16cd

cmds/monkey/src/com/android/commands/monkey/MonkeySourceNetwork.java

@@ -247,13 +247,17 @@ public class MonkeySourceNetwork implements MonkeyEventSource {
             // Ok, it wasn't a number, see if we have a
             // keycode name for it
             keyCode = MonkeySourceRandom.getKeyCode(keyName);
-            if (keyCode == -1) {
+            if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
                 // OK, one last ditch effort to find a match.
                 // Build the KEYCODE_STRING from the string
                 // we've been given and see if that key
                 // exists.  This would allow you to do "key
                 // down menu", for example.
                 keyCode = MonkeySourceRandom.getKeyCode("KEYCODE_" + keyName.toUpperCase());
+                if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
+                    // Still unknown
+                    return -1;
+                }
             }
         }
         return keyCode;

cmds/monkey/src/com/android/commands/monkey/MonkeySourceRandom.java

@@ -102,7 +102,7 @@ public class MonkeySourceRandom implements MonkeyEventSource {
      * be an expensive operation.
      *
      * @param keyName the name of the KEYCODE_VALUE to lookup.
-     * @returns the intenger keyCode value, or -1 if not found
+     * @returns the intenger keyCode value, or KeyEvent.KEYCODE_UNKNOWN if not found
      */
     public static int getKeyCode(String keyName) {
         return KeyEvent.keyCodeFromString(keyName);

cmds/monkey/src/com/android/commands/monkey/MonkeySourceScript.java

@@ -547,6 +547,9 @@ public class MonkeySourceScript implements MonkeyEventSource {
         if (s.indexOf(EVENT_KEYWORD_KEYPRESS) >= 0 && args.length == 1) {
             String key_name = args[0];
             int keyCode = MonkeySourceRandom.getKeyCode(key_name);
+            if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
+                return;
+            }
             MonkeyKeyEvent e = new MonkeyKeyEvent(KeyEvent.ACTION_DOWN, keyCode);
             mQ.addLast(e);
             e = new MonkeyKeyEvent(KeyEvent.ACTION_UP, keyCode);