BtPromise: Letting the finally know if the promise was a success or failure.

SM: adding a toast callback so the activity can show a toast message.
Needed to make sure the toast comes from the correct thread.
Can be called from the BT callback thread.

1 files changed, 17 insertions, 4 deletions

diff --git a/app/src/main/java/io/trygvis/soilmoisture/DefaultSoilMoistureService.java b/app/src/main/java/io/trygvis/soilmoisture/DefaultSoilMoistureService.java
index 25dac5c..86a1917 100644
--- a/app/src/main/java/io/trygvis/soilmoisture/DefaultSoilMoistureService.java
+++ b/app/src/main/java/io/trygvis/soilmoisture/DefaultSoilMoistureService.java
@@ -169,7 +169,7 @@ public class DefaultSoilMoistureService extends Service implements SoilMoistureS
 
                     return stop();
                 }).
-                onFinally(() -> {
+                onFinally(success -> {
                     if (smDevice.getIsUseful() == null) {
                         smDevice.setIsUseful(false);
                     }
@@ -344,9 +344,10 @@ public class DefaultSoilMoistureService extends Service implements SoilMoistureS
 
                     return stop();
                 }).
-                onFinally(() -> {
-                    Toast.makeText(context, R.string.error_could_not_read_value, Toast.LENGTH_SHORT).
-                            show();
+                onFinally(success -> {
+                    if (!success) {
+                        sendBroadcast(createToast(R.string.error_could_not_read_value, Toast.LENGTH_SHORT));
+                    }
                 });
 
         sensor.getDevice().getBtDevice().withConnection(promise);
@@ -356,6 +357,13 @@ public class DefaultSoilMoistureService extends Service implements SoilMoistureS
     // Event creation and dispatching
     // -----------------------------------------------------------------------
 
+    private Intent createToast(int id, int length) {
+        return new Intent(SoilMoistureListener.INTENT_NAME).
+                putExtra("event", "toast").
+                putExtra("id", id).
+                putExtra("length", length);
+    }
+
     private Intent createReady(boolean success) {
         return new Intent(SoilMoistureListener.INTENT_NAME).
                 putExtra("event", "ready").
@@ -389,6 +397,11 @@ public class DefaultSoilMoistureService extends Service implements SoilMoistureS
         String event = intent.getStringExtra("event");
         Log.i(TAG, "Dispatching event " + intent.getAction() + "/" + event);
         switch (event) {
+            case "toast":
+                listener.onToast(
+                        intent.getIntExtra("id", 0),
+                        intent.getIntExtra("length", 0));
+                break;
             case "ready":
                 listener.onReady(
                         intent.getBooleanExtra("success", false));