Android In App Review
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Now that you have nearly everything in place in terms of dependencies, project setup and data, it’s time to build the InAppReviewManager. To start doing that, create a new interface named InAppReviewManager:
interface InAppReviewManager {
fun startReview(activity: Activity)
fun isEligibleForReview(): Boolean
}
class InAppReviewManagerImpl @Inject constructor(
@ApplicationContext private val context: Context,
private val reviewManager: ReviewManager,
private val inAppReviewPreferences: InAppReviewPreferences
) : InAppReviewManager {
}
@Binds
@Singleton
abstract fun bindInAppReviewManager(
inAppReviewManagerImpl: InAppReviewManagerImpl
): InAppReviewManager
companion object {
private const val KEY_REVIEW = "reviewFlow"
}
private var reviewInfo: ReviewInfo? = null
init {
if (isEligibleForReview()) {
reviewManager.requestReviewFlow().addOnCompleteListener {
if (it.isComplete && it.isSuccessful) {
this.reviewInfo = it.result
}
}
}
}
override fun isEligibleForReview(): Boolean {
return (!inAppReviewPreferences.hasUserRatedApp()
&& !inAppReviewPreferences.hasUserChosenRateLater())
|| (inAppReviewPreferences.hasUserChosenRateLater() && enoughTimePassed())
}
private fun enoughTimePassed(): Boolean {
val rateLaterTimestamp = inAppReviewPreferences.getRateLaterTime()
return abs(rateLaterTimestamp - System.currentTimeMillis()) >= TimeUnit.DAYS.toMillis(14)
}
override fun startReview(activity: Activity) {
if (reviewInfo != null) {
reviewManager.launchReviewFlow(activity, reviewInfo).addOnCompleteListener { reviewFlow ->
onReviewFlowLaunchCompleted(reviewFlow)
}
}
}
private fun onReviewFlowLaunchCompleted(reviewFlow: Task<Void>) {
if (reviewFlow.isSuccessful) {
logSuccess()
}
}
private fun logSuccess() {
if (BuildConfig.DEBUG) {
Log.d(KEY_REVIEW, "Review complete!")
}
}