Cleaning.

androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/AddSourceActivity.kt

@@ -94,7 +94,7 @@ class AddSourceActivity : AppCompatActivity(), DIAware {
         CoroutineScope(Dispatchers.Main).launch {
             try {
                 val items = repository.getSpouts()
-                if (items != null) {
+                if (items.isNotEmpty()) {
                     val itemsStrings = items.map { it.value.name }
                     for ((key, value) in items) {
                         spoutsKV[value.name] = key

androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/LoginActivity.kt

@@ -101,7 +101,7 @@ class LoginActivity : AppCompatActivity(), DIAware {
         finish()
     }
 
-    private fun preferenceError(t: Throwable) {
+    private fun preferenceError() {
         appSettingsService.resetLoginInformation()
 
         binding.urlView.error = getString(R.string.wrong_infos)
@@ -169,7 +169,7 @@ class LoginActivity : AppCompatActivity(), DIAware {
                     goToMain()
                 } else {
                     CoroutineScope(Dispatchers.Main).launch {
-                        preferenceError(Exception("Not success"))
+                        preferenceError()
                     }
                 }
             }

androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/SourcesActivity.kt

@@ -56,7 +56,7 @@ class SourcesActivity : AppCompatActivity(), DIAware {
 
         CoroutineScope(Dispatchers.Main).launch {
             val response = repository.getSources()
-            if (response != null) {
+            if (response.isNotEmpty()) {
                 items = response
                 val mAdapter = SourcesListAdapter(
                     this@SourcesActivity, items