Update readme.md
diff --git a/readme.md b/readme.md
index 931f91f..0ebd5d8 100644
--- a/readme.md
+++ b/readme.md
@@ -77,7 +77,7 @@
final String UA = ...;
Analytics ga = new AnalyticsIO(UA, 'ga_test', '3.0');
-ga.optIn = true;
+ga.analyticsOpt = AnalyticsOpt.optIn;
ga.sendScreenView('home');
ga.sendException('foo exception');
@@ -95,21 +95,16 @@
`Analytics.analyticsOpt` field.
*Opt-out* In opt-out mode, if the user does not explicitly opt-out of collecting
-analytics (`Analytics.enabled = false`), the usage library will send usage data.
+analytics, the usage library will send usage data.
*Opt-in* In opt-in mode, no data will be sent until the user explicitly opt-in
-to collection (`Analytics.enabled = true`). This includes screen views, events,
-timing information, and exceptions.
+to collection. This includes screen views, events, timing information, and exceptions.
## Other info
For both classes, you need to provide a Google Analytics tracking ID, the
application name, and the application version.
-Your application should provide an opt-in option for the user. If they opt-in,
-set the `optIn` field to `true`. This setting will persist across sessions
-automatically.
-
*Note:* This library is intended for use with the Google Analytics application /
mobile app style tracking IDs (as opposed to the web site style tracking IDs).
