Fix RACE to deleteDevice

app/src/main/java/org/unifiedpush/distributor/nextpush/activities/MainActivity.kt

@@ -178,9 +178,10 @@ class MainActivity : AppCompatActivity() {
                 .edit()
                 .remove("PREF_CURRENT_ACCOUNT_STRING")
                 .apply()
-            deleteDevice(this)
-            StartService.stopService()
-            FailureHandler.clearFails()
+            deleteDevice(this) {
+                StartService.stopService()
+                FailureHandler.clearFails()
+            }
             showStart()
             finish()
             startActivity(intent)

app/src/main/java/org/unifiedpush/distributor/nextpush/api/Api.kt

@@ -106,7 +106,7 @@ object Api {
         Log.d(TAG, "cSync done.")
     }
 
-    fun Context.apiDeleteDevice() {
+    fun Context.apiDeleteDevice(block: () -> Unit = {}) {
         val deviceId = getDeviceId(this) ?: return
 
         withApiProvider { apiProvider ->
@@ -132,6 +132,7 @@ object Api {
 
                     override fun onComplete() {
                         removeUrl(this@apiDeleteDevice)
+                        block()
                     }
                 })
             removeDeviceId(this)

app/src/main/java/org/unifiedpush/distributor/nextpush/distributor/Distributor.kt

@@ -108,13 +108,13 @@ object Distributor {
         return TOKEN_NOK
     }
 
-    fun deleteDevice(context: Context) {
+    fun deleteDevice(context: Context, block: () -> Unit = {}) {
         val db = getDb(context)
         db.listTokens().forEach {
             sendUnregistered(context, it)
             db.unregisterApp(it)
         }
-        context.apiDeleteDevice()
+        context.apiDeleteDevice(block)
     }
 
     fun createApp(context: Context, appName: String, connectorToken: String, block: () -> Unit) {