Add restore function

app/src/main/kotlin/com/pitchedapps/frost/MainActivity.kt

@@ -44,6 +44,7 @@ import com.pitchedapps.frost.facebook.PROFILE_PICTURE_URL
 import com.pitchedapps.frost.fragments.WebFragment
 import com.pitchedapps.frost.utils.*
 import com.pitchedapps.frost.utils.iab.IAB
+import com.pitchedapps.frost.utils.iab.validatePro
 import com.pitchedapps.frost.views.BadgedIcon
 import com.pitchedapps.frost.web.FrostWebViewSearch
 import io.reactivex.android.schedulers.AndroidSchedulers
@@ -133,6 +134,7 @@ class MainActivity : BaseActivity(), FrostWebViewSearch.SearchContract {
                     .setAction("Action", null).show()
         }
         setFrostColors(toolbar, themeWindow = false, headers = arrayOf(tabs, appBar), backgrounds = arrayOf(viewPager))
+        validatePro()
     }
 
     fun tabsForEachView(action: (position: Int, view: BadgedIcon) -> Unit) {
@@ -393,11 +395,6 @@ class MainActivity : BaseActivity(), FrostWebViewSearch.SearchContract {
         FbCookie.switchBackUser { }
     }
 
-    override fun onStart() {
-        super.onStart()
-        IAB.setupAsync(this)
-    }
-
     override fun onBackPressed() {
         if (searchView?.onBackPressed() ?: false) return
         if (currentFragment.onBackPressed()) return

app/src/main/kotlin/com/pitchedapps/frost/SettingsActivity.kt

@@ -2,6 +2,7 @@ package com.pitchedapps.frost
 
 import android.content.Intent
 import android.os.Bundle
+import android.support.design.widget.Snackbar
 import android.view.Menu
 import android.view.MenuItem
 import ca.allanwang.kau.changelog.showChangelog
@@ -70,16 +71,12 @@ class SettingsActivity : KPrefActivity(), IabBroadcastReceiver.IabBroadcastListe
         plainText(R.string.restore_purchases) {
             descRes = R.string.restore_purchases
             iicon = GoogleMaterial.Icon.gmd_refresh
-            onClick = { _, _,_ -> this@SettingsActivity.restorePurchases(); true }
+            onClick = { _, _, _ -> this@SettingsActivity.restorePurchases(); true }
         }
 
         plainText(R.string.about_frost) {
             iicon = GoogleMaterial.Icon.gmd_info
-            onClick = {
+            onClick = { _, _, _ -> startActivity(AboutActivity::class.java, transition = true); true }
-                _, _, _ ->
-                startActivity(AboutActivity::class.java, transition = true)
-                true
-            }
         }
 
         if (BuildConfig.DEBUG) {
@@ -142,4 +139,9 @@ class SettingsActivity : KPrefActivity(), IabBroadcastReceiver.IabBroadcastListe
         }
         return true
     }
+
+    override fun onDestroy() {
+        if (!IAB.isInProgress) IAB.dispose()
+        super.onDestroy()
+    }
 }

app/src/main/kotlin/com/pitchedapps/frost/utils/Prefs.kt

@@ -1,6 +1,5 @@
 package com.pitchedapps.frost.utils
 
-import android.graphics.Color
 import ca.allanwang.kau.kotlin.lazyResettable
 import ca.allanwang.kau.kpref.KPref
 import ca.allanwang.kau.kpref.StringSet

app/src/main/kotlin/com/pitchedapps/frost/utils/iab/IAB.kt

@@ -3,13 +3,14 @@ package com.pitchedapps.frost.utils.iab
 import android.app.Activity
 import android.content.Context
 import android.content.Intent
+import android.support.design.widget.Snackbar
 import ca.allanwang.kau.utils.isFromGooglePlay
+import ca.allanwang.kau.utils.snackbar
 import com.crashlytics.android.answers.PurchaseEvent
 import com.pitchedapps.frost.BuildConfig
+import com.pitchedapps.frost.R
 import com.pitchedapps.frost.SettingsActivity
-import com.pitchedapps.frost.utils.L
+import com.pitchedapps.frost.utils.*
-import com.pitchedapps.frost.utils.Prefs
-import com.pitchedapps.frost.utils.frostAnswers
 
 /**
  * Created by Allan Wang on 2017-06-23.
@@ -27,13 +28,14 @@ object IAB {
      * and false otherwise
      *
      */
-    operator fun invoke(activity: Activity, mustHavePlayStore: Boolean = true, onStart: (helper: IabHelper) -> Boolean) {
+    operator fun invoke(activity: Activity, mustHavePlayStore: Boolean = true, onFailed: () -> Unit = {}, onStart: (helper: IabHelper) -> Boolean) {
         with(activity) {
             if (helper?.mDisposed ?: true) {
                 helper = null
                 L.d("IAB setup async")
                 if (!isFrostPlay) {
                     if (mustHavePlayStore) playStoreNotFound()
+                    onFailed()
                     return
                 }
                 try {
@@ -44,13 +46,17 @@ object IAB {
                         if (result.isSuccess) {
                             if (onStart(helper!!))
                                 helper!!.disposeWhenFinished()
-                        } else if (mustHavePlayStore)
+                        } else {
-                            activity.playStoreGenericError("Setup error: ${result.response} ${result.message}")
+                            if (mustHavePlayStore)
+                                activity.playStoreGenericError("Setup error: ${result.response} ${result.message}")
+                            onFailed()
+                        }
                     }
                 } catch (e: Exception) {
                     L.e(e, "IAB error")
                     if (mustHavePlayStore)
                         playStoreGenericError(null)
+                    onFailed()
                 }
             } else if (onStart(helper!!))
                 helper!!.disposeWhenFinished()
@@ -60,14 +66,21 @@ object IAB {
     fun handleActivityResult(requestCode: Int, resultCode: Int, data: Intent?): Boolean
             = helper?.handleActivityResult(requestCode, resultCode, data) ?: false
 
+    fun cancel() {
+
+    }
 
     /**
      * Call this after any execution to dispose the helper
+     * Ensure that async calls have already finished beforehand
      */
     fun dispose() {
-        helper?.disposeWhenFinished()
+        helper?.dispose()
         helper = null
     }
+
+    val isInProgress: Boolean
+        get() = helper?.mAsyncInProgress ?: false
 }
 
 private const val FROST_PRO = "frost_pro"
@@ -79,30 +92,60 @@ private val Context.isFrostPlay: Boolean
     get() = isFromGooglePlay || BuildConfig.DEBUG
 
 fun SettingsActivity.restorePurchases() {
-    validatePro(this)
+    //like validate, but with a snackbar and without other prompts
+    var restore: Snackbar? = null
+    restore = container.snackbar(R.string.restoring_purchases, Snackbar.LENGTH_INDEFINITE) {
+        setAction(R.string.kau_close) { restore?.dismiss() }
+    }
+    //called if inventory is not properly retrieved
+    val reset = {
+        if (Prefs.previouslyPro) {
+            Prefs.previouslyPro = false
+            Prefs.theme = Theme.DEFAULT.ordinal
+        }
+        finishRestore(restore)
+    }
+    getInventory(false, true, reset) {
+        val proSku = it.getSkuDetails(FROST_PRO)
+        Prefs.previouslyPro = proSku != null
+        finishRestore(restore)
+    }
+}
+
+private fun SettingsActivity.finishRestore(snackbar: Snackbar?) {
+    snackbar?.dismiss()
+    materialDialogThemed {
+        title(R.string.purchases_restored)
+        content(if (Prefs.previouslyPro) R.string.purchases_restored_with_pro else R.string.purchases_restored_without_pro)
+        positiveText(R.string.reload)
+        dismissListener { adapter.notifyAdapterDataSetChanged() }
+    }
 }
 
 /**
  * If user has pro, check if it's valid and destroy the helper
  */
-fun Activity.validatePro(activity: Activity) {
+fun Activity.validatePro() {
-    IAB(activity, Prefs.previouslyPro) { //if pro, ensure that it is in inventory; if not, check quietly if it exists
+    getInventory(Prefs.previouslyPro, true, { if (Prefs.previouslyPro) playStoreNoLongerPro() }) {
+        val proSku = it.getSkuDetails(FROST_PRO)
+        if (proSku == null && Prefs.previouslyPro) playStoreNoLongerPro()
+        else if (proSku != null && !Prefs.previouslyPro) playStoreFoundPro()
+    }
+}
+
+fun Activity.getInventory(
+        mustHavePlayStore: Boolean = true,
+        disposeOnFinish: Boolean = true,
+        onFailed: () -> Unit = {},
+        onSuccess: (inv: Inventory) -> Unit) {
+    IAB(this, mustHavePlayStore, onFailed) {
         helper ->
-        with(activity) {
+        helper.queryInventoryAsync {
-            helper.queryInventoryAsync {
+            res, inv ->
-                res, inv ->
+            if (res.isFailure || inv == null) onFailed()
-                if (res.isFailure) return@queryInventoryAsync playStoreGenericError("Query res error")
+            else onSuccess(inv)
-                if (inv?.getSkuDetails(FROST_PRO) != null) {
-                    //owns pro
-                    if (!Prefs.previouslyPro)
-                        playStoreFoundPro()
-                } else if (Prefs.previouslyPro) {
-                    //doesn't own pro but has it
-                    playStoreNoLongerPro()
-                }
-            }
         }
-        true
+        disposeOnFinish
     }
 }
 

app/src/main/kotlin/com/pitchedapps/frost/utils/iab/IABDialogs.kt

@@ -103,4 +103,12 @@ fun Activity.playStorePurchasedSuccessfully(key: String) {
         content(R.string.play_purchased_pro)
         positiveText(R.string.kau_ok)
     }
+}
+
+fun SettingsActivity.purchaseRestored() {
+    materialDialogThemed {
+        title(R.string.play_thank_you)
+        content(R.string.play_purchased_pro)
+        positiveText(R.string.kau_ok)
+    }
 }

app/src/main/res/values/strings.xml

@@ -60,6 +60,10 @@
     <string name="play_already_purchased_content">Looks like you\'ve already purchased %s. Enjoy!</string>
     <string name="found_pro">Found Frost Pro!</string>
     <string name="found_pro_desc">Looks like you have frost pro! We\'ll reload the app so you can enjoy the awesome features!</string>
+    <string name="restoring_purchases">Restoring purchases…</string>
+    <string name="purchases_restored">Purchases Restored</string>
+    <string name="purchases_restored_with_pro">Frost Pro has been restored. Enjoy the features!</string>
+    <string name="purchases_restored_without_pro">It seems like you don\'t have pro. If this is a persistent issue, contact me and attach your purchase receipt.</string>
 
     <string name="define_dbflow"></string>
     <!-- Author section -->

docs/Changelog.md

@@ -1,5 +1,7 @@
 # Changelog
 
+## v1.1
+
 ## v1.0
 * Added more global preferences
 * Added fully customizable theme engine

gradle.properties

@@ -17,7 +17,7 @@ MIN_SDK=21
 TARGET_SDK=26
 BUILD_TOOLS=26.0.0
 
-KAU=e1e3b37000
+KAU=f4090285eb
 KOTLIN=1.1.3
 MATERIAL_DRAWER=5.9.3
 MATERIAL_DRAWER_KT=1.0.4