readme updated

Author: bhavesh-lw

README.md

@@ -1,35 +1,52 @@
 # react-native-rn-in-app-update
 
-## Getting started
+Google in-app updates support for react-native. Specially created for android only. After installing plugin user will get android app update popup if there is any update available on play store.
+
+## Installation
 
 `$ npm install react-native-rn-in-app-update --save`
 
-### Manual installation for (RN < 0.60)
+## Linking  (RN < 0.60)
 
 `$ react-native link react-native-rn-in-app-update`
 
-## Add Below Lines in MainActivity.java
+
+## Additional configuration in android (Required)
+
+### Add Below Lines in MainActivity.java
 
 => Import package:
-import com.logicwind.inappupdate.InAppUpdateUtils;
+```
+...
+...
+import com.logicwind.inappupdate.InAppUpdateUtils; // add this
 
 => Create object :  
 private InAppUpdateUtils appUpdateUtils;
 
-=> Add below lines in OnCreate method :
-appUpdateUtils = new InAppUpdateUtils(this);
-appUpdateUtils.initAppUpdaterAndCheckForUpdate();
-appUpdateUtils.registerListener();
 
-=> Add below methods also :
+@Override
+protected void onCreate(Bundle savedInstanceState) {
+    ...
+    ...
+    appUpdateUtils = new InAppUpdateUtils(this); // add this
+    appUpdateUtils.initAppUpdaterAndCheckForUpdate(); // add this
+    appUpdateUtils.registerListener(); // add this
+}
+
+// Add below method also
 @Override
 protected void onResume() {
-super.onResume();
-appUpdateUtils.ifUpdateDownloadedThenInstall();
+    super.onResume();
+    appUpdateUtils.ifUpdateDownloadedThenInstall();
 }
 
+// Add below method also
 @Override
-protected void onDestroy() {
-super.onDestroy();
-appUpdateUtils.unregisterListener();
+    protected void onDestroy() {
+    super.onDestroy();
+    appUpdateUtils.unregisterListener();
 }
+```
+
+### That's it. Configuration done. No need to add anything in your application js file.