change deviceEventEmitter to Keyboard for rn 0.27.2 (#34)

* change deviceEventEmitter to Keyboard for rn 0.27.2

* update readme

Author: Libin Lu

README.md

@@ -9,7 +9,9 @@ A ScrollView component that handles keyboard appearance and automatically scroll
 </p>
 
 ## Supported versions
-Use `react-native>=0.25.0` for `v0.0.7` & up and `v0.0.6` for older RN versions.
+`v0.1.2` requires `RN>=0.27.2`
+`v0.0.7` requires `react-native>=0.25.0`
+use `v0.0.6` for older RN versions.
 
 ## Installation
 Installation can be done through ``npm``:

lib/KeyboardAwareMixin.js

@@ -1,7 +1,7 @@
 /* @flow */
 
 import { PropTypes } from 'react'
-import ReactNative, { TextInput, DeviceEventEmitter } from 'react-native'
+import ReactNative, { TextInput, Keyboard } from 'react-native'
 import TimerMixin from 'react-timer-mixin'
 
 const _KAM_DEFAULT_TAB_BAR_HEIGHT = 49
@@ -73,8 +73,8 @@ const KeyboardAwareMixin = {
 
   componentDidMount: function () {
     // Keyboard events
-    this.keyboardWillShowEvent = DeviceEventEmitter.addListener('keyboardWillShow', this.updateKeyboardSpace)
-    this.keyboardWillHideEvent = DeviceEventEmitter.addListener('keyboardWillHide', this.resetKeyboardSpace)
+    this.keyboardWillShowEvent = Keyboard.addListener('keyboardWillShow', this.updateKeyboardSpace)
+    this.keyboardWillHideEvent = Keyboard.addListener('keyboardWillHide', this.resetKeyboardSpace)
   },
 
   componentWillUnmount: function () {