Refine code style

mobile/src/main/java/be/mygod/vpnhotspot/net/TetheringManager.kt

@@ -365,17 +365,19 @@ object TetheringManager {
         else stopTetheringLegacy(Services.connectivity, type)
     }
     @RequiresApi(24)
-    fun stopTethering(type: Int, callback: (Exception) -> Unit) = try {
-        stopTethering(type)
-    } catch (e: InvocationTargetException) {
-        if (e.targetException is SecurityException) GlobalScope.launch(Dispatchers.Unconfined) {
-            try {
-                RootManager.use { it.execute(StopTethering(type)) }
-            } catch (eRoot: Exception) {
-                eRoot.addSuppressed(e)
-                callback(eRoot)
-            }
-        } else callback(e)
+    fun stopTethering(type: Int, callback: (Exception) -> Unit) {
+        try {
+            stopTethering(type)
+        } catch (e: InvocationTargetException) {
+            if (e.targetException is SecurityException) GlobalScope.launch(Dispatchers.Unconfined) {
+                try {
+                    RootManager.use { it.execute(StopTethering(type)) }
+                } catch (eRoot: Exception) {
+                    eRoot.addSuppressed(e)
+                    callback(eRoot)
+                }
+            } else callback(e)
+        }
     }
 
     /**

mobile/src/main/java/be/mygod/vpnhotspot/net/monitor/IpMonitor.kt

@@ -115,7 +115,7 @@ abstract class IpMonitor {
                                     this))
                         }
                     }
-                } catch (e: CancellationException) {
+                } catch (_: CancellationException) {
                 } catch (e: Exception) {
                     Timber.w(e)
                 }

mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/P2pSupplicantConfiguration.kt

@@ -18,7 +18,6 @@ class P2pSupplicantConfiguration(private val group: WifiP2pGroup? = null) {
         private const val PERSISTENT_MAC = "p2p_device_persistent_mac_addr="
         private val networkParser =
                 "^(bssid=(([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2})|psk=(ext:|\"(.*)\"|[0-9a-fA-F]{64}\$)?)".toRegex()
-        private val whitespaceMatcher = "\\s+".toRegex()
     }
 
     private class NetworkBlock : ArrayList<String>() {

mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiApDialogFragment.kt

@@ -17,13 +17,17 @@ import androidx.annotation.RequiresApi
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.Toolbar
 import androidx.core.view.isGone
+import be.mygod.librootkotlinx.toByteArray
+import be.mygod.librootkotlinx.toParcelable
 import be.mygod.vpnhotspot.AlertDialogFragment
 import be.mygod.vpnhotspot.App.Companion.app
 import be.mygod.vpnhotspot.R
 import be.mygod.vpnhotspot.RepeaterService
 import be.mygod.vpnhotspot.databinding.DialogWifiApBinding
 import be.mygod.vpnhotspot.net.MacAddressCompat
-import be.mygod.vpnhotspot.util.*
+import be.mygod.vpnhotspot.util.QRCodeDialog
+import be.mygod.vpnhotspot.util.readableMessage
+import be.mygod.vpnhotspot.util.showAllowingStateLoss
 import be.mygod.vpnhotspot.widget.SmartSnackbar
 import kotlinx.android.parcel.Parcelize