show a welcome dialog at moving from the free version

Author: tibbi

app/src/main/AndroidManifest.xml

@@ -11,6 +11,11 @@
         android:name="android.hardware.faketouch"
         android:required="false" />
 
+    <queries>
+        <package android:name="com.simplemobiletools.notes.debug" />
+        <package android:name="com.simplemobiletools.notes" />
+    </queries>
+
     <application
         android:name=".App"
         android:allowBackup="true"

app/src/main/kotlin/com/simplemobiletools/notes/pro/activities/MainActivity.kt

@@ -113,6 +113,12 @@ class MainActivity : SimpleActivity() {
 
         checkAppOnSDCard()
         setupSearchButtons()
+
+        if (!config.wasUpgradedFromFreeShown && isPackageInstalled("com.simplemobiletools.notes")) {
+            val dialogText = getString(R.string.upgraded_to_pro_notes)
+            ConfirmationDialog(this, dialogText, 0, R.string.ok, 0, false) {}
+            config.wasUpgradedFromFreeShown = true
+        }
     }
 
     override fun onResume() {