improved comments in the WiFi-Direct Helper

app/src/main/java/com/faraphel/tasks_valider/connectivity/wifi_p2p/WifiP2pHelper.kt

@@ -115,79 +115,78 @@ class WifiP2pHelper(
     // Wrappers
 
     /**
-     * Wrapper around WifiP2pManager::connect
-     *
      * Connect to another device, allowing for a communication using Sockets
+     * @see WifiP2pManager.connect
      */
     fun connect(config: WifiP2pConfig, listener: WifiP2pManager.ActionListener? = null) {
         this.manager.connect(this.channel, config, listener)
     }
 
     /**
-     * Wrapper around WifiP2pManager::requestPeers
-     *
      * Request the list of peers after a discovery.
+     * @see WifiP2pManager.requestPeers
      */
     fun requestPeers(listener: WifiP2pManager.PeerListListener? = null) {
         this.manager.requestPeers(this.channel, listener)
     }
 
     /**
-     * Wrapper around WifiP2pManager::discoverPeers
-     *
      * Start discovering peers.
      * Once founds, the WIFI_P2P_PEERS_CHANGED_ACTION event will be triggered.
+     * @see WifiP2pManager.discoverPeers
      */
     fun discoverPeers(listener: WifiP2pManager.ActionListener? = null) {
         this.manager.discoverPeers(this.channel, listener)
     }
 
     /**
-     * Wrapper around WifiP2pManager::requestConnectionInfo
-     *
      * Obtain information about a connection with another device.
+     * @see WifiP2pManager.requestConnectionInfo
      */
     fun requestConnectionInfo(listener: WifiP2pManager.ConnectionInfoListener? = null) {
         this.manager.requestConnectionInfo(this.channel, listener)
     }
 
     /**
-     * Wrapper around WifiP2pManager::requestGroupInfo
-     *
      * Obtain information about the current group.
+     * @see WifiP2pManager.requestGroupInfo
      */
     fun requestGroupInfo(listener: WifiP2pManager.GroupInfoListener? = null) {
         this.manager.requestGroupInfo(this.channel, listener)
     }
 
     /**
-     * Wrapper around WifiP2pManager::createGroup
-     *
      * Create a new WiFi-Direct group.
+     * @see WifiP2pManager.createGroup
      */
     fun createGroup(listener: WifiP2pManager.ActionListener? = null) {
         this.manager.createGroup(this.channel, listener)
     }
 
     /**
-     * Wrapper around WifiP2pManager::removeGroup
-     *
      * Disconnect from the current WiFi-Direct group.
+     * @see WifiP2pManager.removeGroup
      */
     fun removeGroup(listener: WifiP2pManager.ActionListener? = null) {
         this.manager.removeGroup(this.channel, listener)
     }
 
+    // Shortcuts
+
     /**
-     * Create a new WiFi-Direct group.
+     * Create a new WiFi-Direct group. If already connected to a group, quit it first.
-     * If already connected to a group, quit it first.
+     *
+     * Note: most of the failure on removal are caused by not having a group already created, which is checked.
      *
      * @param listener: the createGroup listener
-     * @param onFailure: error handler for the removeGroup event
+     * @param onRemoveFailure: error handler for the removeGroup event
+     *
+     * @see WifiP2pManager.createGroup
+     * @see WifiP2pManager.removeGroup
      */
     fun recreateGroup(
         listener: WifiP2pManager.ActionListener? = null,
-        onFailure: ((Int) -> Unit)? = null
+        onRemoveFailure: ((Int) -> Unit)? = null
     ) {
         // get the current group information
         this.requestGroupInfo { group ->
@@ -201,7 +200,7 @@ class WifiP2pHelper(
 
                     override fun onFailure(reason: Int) {
                         // call the handler
-                        onFailure?.invoke(reason)
+                        onRemoveFailure?.invoke(reason)
                     }
 
                 })