Remove no longer needed code from ConnectedActivity and MainActivity and add a description to each of the Activities to describe their purpose.

app/src/main/java/cy/agorise/bitsybitshareswallet/activities/ConnectedActivity.kt

@@ -40,16 +40,21 @@ import kotlin.collections.ArrayList
 import kotlin.collections.HashMap
 
 /**
- * Class in charge of managing the connection to graphenej's NetworkService
+ * The app uses the single Activity methodology, but this activity was created so that MainActivity can extend from it.
+ * This class manages everything related to keeping the information in the database updated using graphenej's
+ * NetworkService, leaving to MainActivity only the Navigation work and some other UI features.
  */
 abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
-    private val TAG = this.javaClass.simpleName
 
-    private val RESPONSE_GET_FULL_ACCOUNTS = 1
+    companion object {
-    private val RESPONSE_GET_ACCOUNTS = 2
+        private const val TAG = "ConnectedActivity"
-    private val RESPONSE_GET_ACCOUNT_BALANCES = 3
+
-    private val RESPONSE_GET_ASSETS = 4
+        private const val RESPONSE_GET_FULL_ACCOUNTS = 1
-    private val RESPONSE_GET_BLOCK_HEADER = 5
+        private const val RESPONSE_GET_ACCOUNTS = 2
+        private const val RESPONSE_GET_ACCOUNT_BALANCES = 3
+        private const val RESPONSE_GET_ASSETS = 4
+        private const val RESPONSE_GET_BLOCK_HEADER = 5
+    }
 
     private lateinit var mUserAccountViewModel: UserAccountViewModel
     private lateinit var mBalanceViewModel: BalanceViewModel
@@ -141,8 +146,6 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
 
     private fun handleIncomingMessage(message: Any?) {
         if (message is JsonRpcResponse<*>) {
-            // Generic processing taken care by subclasses
-            handleJsonRpcResponse(message)
 
             if (message.error == null) {
                 if (responseMap.containsKey(message.id)) {
@@ -178,7 +181,6 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
                 ).show()
             }
         } else if (message is ConnectionStatusUpdate) {
-            handleConnectionStatusUpdate(message)
             if (message.updateCode == ConnectionStatusUpdate.DISCONNECTED) {
                 // If we got a disconnection notification, we should clear our response map, since
                 // all its stored request ids will now be reset
@@ -405,16 +407,4 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
         super.onDestroy()
         if (!mDisposable!!.isDisposed) mDisposable!!.dispose()
     }
-
-    /**
-     * Method to be implemented by all subclasses in order to be notified of JSON-RPC responses.
-     * @param response
-     */
-    internal abstract fun handleJsonRpcResponse(response: JsonRpcResponse<*>)
-
-    /**
-     * Method to be implemented by all subclasses in order to be notified of connection status updates
-     * @param connectionStatusUpdate
-     */
-    internal abstract fun handleConnectionStatusUpdate(connectionStatusUpdate: ConnectionStatusUpdate)
 }

app/src/main/java/cy/agorise/bitsybitshareswallet/activities/MainActivity.kt

@@ -12,12 +12,13 @@ import androidx.navigation.ui.onNavDestinationSelected
 import androidx.navigation.ui.setupActionBarWithNavController
 import cy.agorise.bitsybitshareswallet.R
 import cy.agorise.bitsybitshareswallet.utils.Constants
-import cy.agorise.graphenej.api.ConnectionStatusUpdate
-import cy.agorise.graphenej.models.JsonRpcResponse
 import kotlinx.android.synthetic.main.activity_main.*
 
+/**
+ * Uses the AAC Navigation Component with a NavHostFragment which is the place where all Fragments are shown,
+ * following the philosophy of using a single Activity.
+ */
 class MainActivity : ConnectedActivity() {
-    private val TAG = this.javaClass.simpleName
 
     private lateinit var appBarConfiguration : AppBarConfiguration
 
@@ -100,18 +101,6 @@ class MainActivity : ConnectedActivity() {
         return findNavController(R.id.navHostFragment).navigateUp(appBarConfiguration)
     }
 
-    override fun handleJsonRpcResponse(response: JsonRpcResponse<*>) {
-
-    }
-
-    /**
-     * Private method called whenever there's an update to the connection status
-     * @param connectionStatusUpdate  Connection status update.
-     */
-    override fun handleConnectionStatusUpdate(connectionStatusUpdate: ConnectionStatusUpdate) {
-
-    }
-
     override fun onBackPressed() {
         // Trick used to avoid crashes when the user is in the License or ImportBrainkey and presses the back button
         val currentDestination=NavHostFragment.findNavController(navHostFragment).currentDestination