Update documentation for RN 0.18+

README.md

@@ -44,6 +44,29 @@ dependencies {
 
 * register module (in MainActivity.java)
 
+On newer versions of React Native (0.18+):
+
+```java
+import com.learnium.RNDeviceInfo.*;  // <--- import
+
+public class MainActivity extends ReactActivity {
+  ......
+  
+  /**
+   * A list of packages used by the app. If the app uses additional views
+   * or modules besides the default ones, add more packages here.
+   */
+    @Override
+    protected List<ReactPackage> getPackages() {
+      return Arrays.<ReactPackage>asList(
+        new RNDeviceInfo(), // <------ add here
+        new MainReactPackage());
+    }
+}
+```
+
+On older versions of React Native:
+
 ```java
 import com.learnium.RNDeviceInfo.*;  // <--- import