B4A Library In-App Review Library

Pendrush · Aug 6, 2020

Before you begin, please read THIS and THIS. You can also read Medium article Demystifying the new Play In-App Review API (thanks @fredo).

Requirements:

Android devices (phones and tablets) running Android 5.0 (API level 21) or higher that have the Google Play Store installed.
App minSdkVersion="21"
Please check manifest in app example.
After implementation, app must be uploaded to Play Store and downloaded from Play Store (beta test should work). If app is not downloaded from Play Store dialog will not work, OnComplete event will fire immediately.

InAppReview

Author: Author: Google - B4a Wrapper: Pendrush
Version: 2.01

InAppReview

Events:

OnComplete

OnError (Error As String)

Functions:

Initialize (EventName As String, UseFakeReviewManager As Boolean)
Initialize InAppReview
UseFakeReviewManager = True - This should only be used for unit or integration tests to verify the behaviour of the app once the review is completed.
Note: FakeReviewManager does not simulate the UI (no pop-up will be shown). It only fakes the API method result by always providing a fake ReviewInfo object and returning a success status when the in-app review flow is launched.
UseFakeReviewManager = False - Use it for production app.
InAppReview.Initialize("InAppReview", False)

LaunchReview
Launch review process. Pop-up window will show only for app downloaded from Play Store (Production app).
OnComplete event will fire immediately if you initialize with UseFakeReviewManager = True
Emulator will rise OnError event.

Use SDK Manager and install:

B4X:

com.google.android.play:review
com.google.android.gms:play-services-tasks
com.google.android.play:core-common

Example app is attached to this post.
OnComplete event will fire immediately after you click on button in example app. This behavior is normal for example app, but app in production (app downloaded from Play Store) should show dialog like this:

OnComplete event will fire after dialog is closed.

You need to set minSdkVersion="21" and to add this in your manifest:

B4X:

AddApplicationText(<activity
            android:name="com.google.android.play.core.common.PlayCoreDialogWrapperActivity"
            android:exported="false"
            android:stateNotNeeded="true"
            android:theme="@style/Theme.PlayCore.Transparent" />)

Download library zip file and extract archive to Additional Libraries folder.
Example app will trigger OnError event in emulator.

Thanks to: @ronnhdf and @Jack Cole for testing.

v2.01:

Library update to use com.google.android.play:review as InAppReview will be removed from com.google.android.play:core. The Google Play Core Java and Kotlin library have been split into multiple separate libraries, one for each feature.
Manifest update.
Example app update (only manifest).
Some permissions removed.
Library dependencies has changed.

coldteam · Sep 24, 2020

asales said:
Maybe an error?

In-app reviews only work on the following devices:

Android devices (phones and tablets) running Android 5.0 (API level 21) or higher that have the Google Play Store installed.

Chrome OS devices that have the Google Play Store installed.

Google Play In-App Reviews API | Android Developers

developer.android.com

I read this
I'm wondering if the library somehow handles this point?

Pendrush · Sep 24, 2020

94.1% of all devices are API level 21+ at this moment.

coldteam · Sep 24, 2020

Pendrush said:
View attachment 100477
94.1% of all devices are API level 21+

I understand that you use API 21+ in all your applications?
But the question is, how does the library behave with API <21 or haven't you tried it?

Pendrush · Sep 24, 2020

As you can see in first post, I did not test this library, but two other members of this forum.
I'm glad that you can clearly understand my API usage.

You can also use code like this:

B4X:

Dim p As Phone
If p.SdkVersion < 21 Then
    'dont use library
End If

coldteam · Sep 24, 2020

Pendrush said:
As you can see in first post, I did not test this library, but two other members of this forum.
I'm glad that you can clearly understand my API usage.

You can also use code like this:

B4X:

Dim p As Phone If p.SdkVersion < 21 Then 'dont use library End If

ok, thanks for the clarification. i will test this.

tufanv · Dec 1, 2020

for me this does not work. both tried with fake enabled on local testing and fake disabled on store. Both of them makes my app get in to a infinite loop

Pendrush · Dec 1, 2020

Library is extremely simple, also there is nothing with a loop inside library.

asales · Dec 2, 2020

I included this lib in a new app to test and works fine. Thanks!

tufanv · Dec 2, 2020

asales said:
I included this lib in a new app to test and works fine. Thanks!

probably a problem on my side, will try again.

tufanv · Dec 2, 2020

This time I am getting 4-5 times onreviewcomplete event although it must be one, is it noprmal ?

Pendrush said:
Library is extremely simple, also there is nothing with a loop inside library.

Pendrush · Dec 2, 2020

Do you call InAppReview.LaunchReview multiple times?

tufanv · Dec 2, 2020

Yeah, I missed the pooint that activity_resume was firing the event again as on complete event was also firing the activity_resume. It fires once only now. Thanks !

tufanv · Dec 3, 2020

Works perfect, tested with release version. Thanks for great work!

benyamin · Aug 14, 2023

Thanks, can you add this method? It is very important for this library to understand whether the user can give the app a rating or not

com.google.android.play.core.review.ReviewInfo

Java:

Task<Void> flow = manager.launchReviewFlow(activity, reviewInfo);
flow.addOnCompleteListener(task -> {
    // The flow has finished. The API does not indicate whether the user
    // reviewed or not, or even whether the review dialog was shown. Thus, no
    // matter the result, we continue our app flow.
});

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