[RFR-772] Ignore sync errors from background (#74)

build.gradle

@@ -60,7 +60,7 @@ ext {
      */
 
     // Cyface dependencies
-    cyfaceAndroidBackendVersion = "7.9.2" // Also update submodule commit ref
+    cyfaceAndroidBackendVersion = "7.9.3" // Also update submodule commit ref
     cyfaceUtilsVersion = "4.0.4"
     cyfaceEnergySettingsVersion = "4.0.3" // Also update submodule commit ref
     cyfaceCameraServiceVersion = "4.3.5" // Also update submodule commit ref

ui/cyface/src/main/kotlin/de/cyface/app/MeasuringClient.kt

@@ -57,13 +57,15 @@ class MeasuringClient : Application() {
      * Reports error events to the user via UI and to Sentry, if opted-in.
      */
     private val errorListener =
-        ErrorHandler.ErrorListener { errorCode: ErrorCode, errorMessage: String ->
+        ErrorHandler.ErrorListener { errorCode, errorMessage, fromBackground ->
             val appName = applicationContext.getString(R.string.app_name)
-            Toast.makeText(
-                this@MeasuringClient,
-                String.format("%s - %s", errorMessage, appName),
-                Toast.LENGTH_LONG
-            ).show()
+            if (!fromBackground) { // RFR-772
+                Toast.makeText(
+                    this@MeasuringClient,
+                    String.format("%s - %s", errorMessage, appName),
+                    Toast.LENGTH_LONG
+                ).show()
+            }
 
             // There are two cases we can have network errors
             // 1. during authentication (AuthTokenRequest), either login or before upload

ui/digural/src/main/kotlin/de/cyface/app/digural/MeasuringClient.kt

@@ -59,13 +59,15 @@ class MeasuringClient : Application() {
      * Reports error events to the user via UI and to Sentry, if opted-in.
      */
     private val errorListener =
-        ErrorHandler.ErrorListener { errorCode: ErrorCode, errorMessage: String ->
+        ErrorHandler.ErrorListener { errorCode, errorMessage, fromBackground ->
             val appName = applicationContext.getString(R.string.app_name)
-            Toast.makeText(
-                this@MeasuringClient,
-                String.format("%s - %s", errorMessage, appName),
-                Toast.LENGTH_LONG
-            ).show()
+            if (!fromBackground) { // RFR-772
+                Toast.makeText(
+                    this@MeasuringClient,
+                    String.format("%s - %s", errorMessage, appName),
+                    Toast.LENGTH_LONG
+                ).show()
+            }
 
             // There are two cases we can have network errors
             // 1. during authentication (AuthTokenRequest), either login or before upload

ui/r4r/src/main/kotlin/de/cyface/app/r4r/Application.kt

@@ -57,13 +57,15 @@ class Application : Application() {
      * Reports error events to the user via UI and to Sentry, if opted-in.
      */
     private val errorListener =
-        ErrorHandler.ErrorListener { errorCode: ErrorCode, errorMessage: String ->
+        ErrorHandler.ErrorListener { errorCode, errorMessage, fromBackground ->
             val appName = applicationContext.getString(R.string.app_name)
-            Toast.makeText(
-                this@Application,
-                String.format("%s - %s", errorMessage, appName),
-                Toast.LENGTH_LONG
-            ).show()
+            if (!fromBackground) { // RFR-772
+                Toast.makeText(
+                    this@Application,
+                    String.format("%s - %s", errorMessage, appName),
+                    Toast.LENGTH_LONG
+                ).show()
+            }
 
             // There are two cases we can have network errors
             // 1. during authentication (AuthTokenRequest), either login or before upload