refactor: move askToRate() to GeeksvilleApplication

app/src/google/java/com/geeksville/mesh/android/GeeksvilleApplication.kt

@@ -6,11 +6,13 @@ import android.content.Context
 import android.content.SharedPreferences
 import android.os.Bundle
 import android.provider.Settings
+import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.edit
 import com.geeksville.mesh.analytics.AnalyticsProvider
+import com.geeksville.mesh.util.exceptionReporter
 import com.google.android.gms.common.ConnectionResult
 import com.google.android.gms.common.GoogleApiAvailabilityLight
-
+import com.suddenh4x.ratingdialog.AppRating
 
 fun isGooglePlayAvailable(context: Context): Boolean {
     val a = GoogleApiAvailabilityLight.getInstance()
@@ -82,6 +84,19 @@ open class GeeksvilleApplication : Application(), Logging {
             analytics.setEnabled(value && !isInTestLab) // Never do analytics in the test lab
         }
 
+    /** Ask user to rate in play store */
+    fun askToRate(activity: AppCompatActivity) {
+        if (!isGooglePlayAvailable(this)) return
+        exceptionReporter { // we don't want to crash our app because of bugs in this optional feature
+            AppRating.Builder(activity)
+                .setMinimumLaunchTimes(10) // default is 5, 3 means app is launched 3 or more times
+                .setMinimumDays(10) // default is 5, 0 means install day, 10 means app is launched 10 or more days later than installation
+                .setMinimumLaunchTimesToShowAgain(5) // default is 5, 1 means app is launched 1 or more times after neutral button clicked
+                .setMinimumDaysToShowAgain(14) // default is 14, 1 means app is launched 1 or more days after neutral button clicked
+                .showIfMeetsConditions()
+        }
+    }
+
     override fun onCreate() {
         super.onCreate()