Merge pull request #71 from adjust/update_doc

Google Play Store Readme

README.md

@@ -47,6 +47,27 @@ click `OK`. Save your changed project properties by clicking `OK` again.
 
 ### 4. Add permissions
 
+#### Google Play Store
+
+Since the 1st of August of 2014, apps in the Google Play Store must use the [Google Advertising ID][google_ad_id] to uniquely identify the devices. To allow the adjust SDK to use the Google Advertising ID, you must integrate the [Google Play Services][google_play_services].
+
+In the Package Explorer open the `AndroidManifest.xml` of your Android project.
+Add the `uses-permission` tag for `INTERNET` if it's not present already.
+
+```xml
+<uses-permission android:name="android.permission.INTERNET" />
+```
+
+If you are using Proguard, add these lines to your Proguard file:
+
+````
+-keep class com.adjust.sdk.** { *; }
+-keep class com.google.android.gms.common.** { *; }
+-keep class com.google.android.gms.ads.identifier.** { *; }
+```
+
+#### Other Stores
+
 In the Package Explorer open the `AndroidManifest.xml` of your Android project.
 Add the `uses-permission` tags for `INTERNET` and `ACCESS_WIFI_STATE` if they
 aren't present already.
@@ -62,8 +83,6 @@ If you are using Proguard, add these lines to your Proguard file:
 
 ````
 -keep class com.adjust.sdk.** { *; }
--keep class com.google.android.gms.common.** { *; }
--keep class com.google.android.gms.ads.identifier.** { *; }
 ```
 
 ### 5. Add Adjust settings
@@ -278,10 +297,10 @@ The simplest way is to create a single anonymous listener for these notification
     Adjust.setOnFinishedListener(this);
     ```
 
-This `OnClickListener` will only be set if this activity has been active
+This `OnFinishedListener` will only be set if this activity has been active
 before. You can set it in all activities to make sure that it is always set,
 regardless of what activities have been active. In this case it makes sense to
-implement the `OnClickListener` interface in one class and set the listener to
+implement the `OnFinishedListener` interface in one class and set the listener to
 the same object in every `onResume` method.
 
 The listener method `onFinishedTracking` will get called every time any
@@ -388,6 +407,8 @@ protected void onCreate(Bundle savedInstanceState) {
 [log]:         https://raw.github.com/adjust/adjust_sdk/master/Resources/android/log4.png
 [referrer]:    doc/referrer.md
 [attribution-data]: https://github.com/adjust/sdks/blob/master/doc/attribution-data.md
+[google_play_services]: http://developer.android.com/google/play-services/index.html
+[google_ad_id]: https://developer.android.com/google/play-services/id.html
 
 ## License