Resolve #2 issue

Author: a-morenovalls

Example/.flowconfig

@@ -1,6 +1,7 @@
 [ignore]
 ; We fork some components by platform
 .*/*[.]android.js
+.*/node_modules/.*
 
 ; Ignore "BUCK" generated dirs
 <PROJECT_ROOT>/\.buckd/
@@ -42,4 +43,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 unsafe.enable_getters_and_setters=true
 
 [version]
-^0.49.1
+^0.54.0

Example/android/app/build.gradle

@@ -91,7 +91,7 @@ def enableProguardInReleaseBuilds = false
 
 android {
     compileSdkVersion 23
-    buildToolsVersion '25.0.0'
+    buildToolsVersion '26.0.2'
 
     defaultConfig {
         applicationId "com.example"

Example/android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

Example/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Sun Sep 10 12:51:04 CEST 2017
+#Sun Dec 17 16:10:54 CET 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

Example/index.android.js

@@ -6,7 +6,7 @@ import BottomSheet from 'react-native-js-bottom-sheet'
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons'
 import Entypo from 'react-native-vector-icons/Entypo'
 
-export default class Example extends Component {
+export default class Example extends React.PureComponent<{}> {
   bottomSheet: BottomSheet
 
   _onPressButton = () => {