Merge pull request #39 from jgibbons/master

resolve java.lang.NullPointerException

Author: tlancina

src/android/IonicKeyboard.java

@@ -71,9 +71,10 @@ public void run() {
 
                     if (v == null) {
                         callbackContext.error("No current focus");
+                    } else {
+                        inputManager.hideSoftInputFromWindow(v.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
+                        callbackContext.success(); // Thread-safe.
                     }
-                    inputManager.hideSoftInputFromWindow(v.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
-                    callbackContext.success(); // Thread-safe.
                 }
             });
             return true;