diff --git a/app/src/main/java/eu/steffo/twom/matrix/TwoMMatrix.kt b/app/src/main/java/eu/steffo/twom/matrix/TwoMMatrix.kt
index 98f25d0..8487d2f 100644
--- a/app/src/main/java/eu/steffo/twom/matrix/TwoMMatrix.kt
+++ b/app/src/main/java/eu/steffo/twom/matrix/TwoMMatrix.kt
@@ -2,7 +2,6 @@ package eu.steffo.twom.matrix
 
 import TwoMRoomDisplayNameFallbackProvider
 import android.content.Context
-import androidx.compose.runtime.currentComposer
 import org.matrix.android.sdk.api.Matrix
 import org.matrix.android.sdk.api.MatrixConfiguration
 import org.matrix.android.sdk.api.session.Session
@@ -26,7 +25,15 @@ object TwoMMatrix {
     }
 
     var session: Session? = null
-        private set
+        set(value) {
+            if (field != null) {
+                closeSession()
+            }
+            field = value
+            if (field != null) {
+                openSession()
+            }
+        }
 
     fun tryInitSessionFromStorage() {
         val lastSession = matrix?.authenticationService()?.getLastAuthenticatedSession()
@@ -36,21 +43,16 @@ object TwoMMatrix {
     }
 
     // TODO: Does this throw an error if the session is already open?
-    fun openSession() {
+    private fun openSession() {
         val currentSession = session ?: throw SessionNotInitializedError()
         currentSession.open()
         currentSession.syncService().startSync(true)
     }
 
     // TODO: Does this throw an error if the session is already closed?
-    fun closeSession() {
+    private fun closeSession() {
         val currentSession = session ?: throw SessionNotInitializedError()
         currentSession.close()
         currentSession.syncService().stopSync()
     }
-
-    fun clearSession() {
-        closeSession()
-        session = null
-    }
 }
diff --git a/app/src/main/java/eu/steffo/twom/ui/login/LoginActivity.kt b/app/src/main/java/eu/steffo/twom/ui/login/LoginActivity.kt
index 5901921..5c09442 100644
--- a/app/src/main/java/eu/steffo/twom/ui/login/LoginActivity.kt
+++ b/app/src/main/java/eu/steffo/twom/ui/login/LoginActivity.kt
@@ -7,19 +7,7 @@ import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Button
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Text
-import androidx.compose.material3.TopAppBar
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
-import eu.steffo.twom.R
 import eu.steffo.twom.ui.homeserver.SelectHomeserverActivity
-import eu.steffo.twom.ui.theme.TwoMTheme
 
 
 class LoginActivity : ComponentActivity() {
@@ -29,7 +17,22 @@ class LoginActivity : ComponentActivity() {
         super.onCreate(savedInstanceState)
 
         homeserverLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
-            Log.i("Garasauto", it.data?.getStringExtra(SelectHomeserverActivity.HOMESERVER_EXTRA_KEY) ?: "Undefined")
+            val selectedHomeserver =
+                it.data?.getStringExtra(SelectHomeserverActivity.HOMESERVER_EXTRA_KEY)
+            Log.d("LoginActivity", "Selected homeserver: $selectedHomeserver")
+            setContent {
+                LoginActivityScaffold(
+                    selectedHomeserver = selectedHomeserver,
+                    onSelectHomeserver = {
+                        homeserverLauncher.launch(
+                            Intent(
+                                applicationContext,
+                                SelectHomeserverActivity::class.java
+                            )
+                        )
+                    },
+                )
+            }
         }
     }
 
diff --git a/app/src/main/java/eu/steffo/twom/ui/login/LoginActivityControl.kt b/app/src/main/java/eu/steffo/twom/ui/login/LoginActivityControl.kt
index 4ef33fa..cfca323 100644
--- a/app/src/main/java/eu/steffo/twom/ui/login/LoginActivityControl.kt
+++ b/app/src/main/java/eu/steffo/twom/ui/login/LoginActivityControl.kt
@@ -9,26 +9,34 @@ import androidx.compose.material3.TextField
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
 import eu.steffo.twom.R
+import eu.steffo.twom.matrix.TwoMMatrix
 import eu.steffo.twom.ui.BASE_PADDING
+import kotlinx.coroutines.launch
+import org.matrix.android.sdk.api.session.Session
 
 
 @Composable
 @Preview(showBackground = true)
 fun LoginActivityControl(
     modifier: Modifier = Modifier,
+    selectedHomeserver: String? = null,
     onSelectHomeserver: () -> Unit = {},
-    onComplete: (username: String, password: String) -> Unit = { _, _ -> },
+    onLogin: (session: Session) -> Unit = {},
 ) {
+    val scope = rememberCoroutineScope()
 
     var username by rememberSaveable { mutableStateOf("") }
     var password by rememberSaveable { mutableStateOf("") }
 
+    var loggingIn by rememberSaveable { mutableStateOf(false) }
+
     Column(modifier) {
         Row(BASE_PADDING) {
             Text(LocalContext.current.getString(R.string.login_text))
@@ -56,6 +64,15 @@ fun LoginActivityControl(
                 supportingText = {
                     Text(LocalContext.current.getString(R.string.login_username_supporting))
                 },
+                prefix = {
+                    Text("@")
+                },
+                suffix = {
+                    // TODO: Properly perform the login process
+                    val localpart = selectedHomeserver?.replace(Regex("^https?://"), "")
+                    Text(":$localpart")
+                },
+                enabled = (selectedHomeserver != null),
             )
         }
         Row(BASE_PADDING) {
@@ -72,15 +89,26 @@ fun LoginActivityControl(
                 supportingText = {
                     Text(LocalContext.current.getString(R.string.login_password_supporting))
                 },
+                enabled = (selectedHomeserver != null),
             )
         }
         Row(BASE_PADDING) {
             Button(
                 modifier = Modifier.fillMaxWidth(),
                 onClick = {
-                    onComplete(username, password)
+                    val wizard = TwoMMatrix.matrix!!.authenticationService().getLoginWizard()
+
+                    scope.launch {
+                        val session = wizard.login(
+                            login = "@$username:$selectedHomeserver",
+                            password = password,
+                            initialDeviceName = "Garasauto", // TODO
+                            deviceId = "Garasauto", // TODO
+                        )
+                        TwoMMatrix.session = session
+                    }
                 },
-                enabled = false,
+                enabled = (username != "" && TwoMMatrix.matrix != null),
             ) {
                 Text(LocalContext.current.getString(R.string.login_complete_text))
             }
diff --git a/app/src/main/java/eu/steffo/twom/ui/login/LoginActivityScaffold.kt b/app/src/main/java/eu/steffo/twom/ui/login/LoginActivityScaffold.kt
index c701822..3b2a91f 100644
--- a/app/src/main/java/eu/steffo/twom/ui/login/LoginActivityScaffold.kt
+++ b/app/src/main/java/eu/steffo/twom/ui/login/LoginActivityScaffold.kt
@@ -1,12 +1,8 @@
 package eu.steffo.twom.ui.login
 
-import android.content.Intent
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
-import androidx.compose.material3.Button
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
@@ -19,6 +15,7 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
 import eu.steffo.twom.R
 import eu.steffo.twom.ui.theme.TwoMTheme
+import org.matrix.android.sdk.api.session.Session
 
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -26,7 +23,9 @@ import eu.steffo.twom.ui.theme.TwoMTheme
 @Preview
 fun LoginActivityScaffold(
     onBack: () -> Unit = {},
+    selectedHomeserver: String? = null,
     onSelectHomeserver: () -> Unit = {},
+    onLogin: (session: Session) -> Unit = {},
 ) {
     TwoMTheme {
         Scaffold(
@@ -46,6 +45,7 @@ fun LoginActivityScaffold(
         ) {
             LoginActivityControl(
                 modifier = Modifier.padding(it),
+                selectedHomeserver = selectedHomeserver,
                 onSelectHomeserver = onSelectHomeserver,
             )
         }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f046f15..1df452a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -23,8 +23,8 @@
     <string name="login_text">To use TwoM, you need to log into a Matrix homeserver. Currently, TwoM supports only username and password authentication.</string>
     <string name="login_complete_text">Log in</string>
     <string name="login_selecthomeserver_text">Select homeserver</string>
-    <string name="login_username_placeholder">\@steffo:candy.steffo.eu</string>
-    <string name="login_username_supporting">The Matrix ID to login as, including the @ symbol and the homeserver name.</string>
+    <string name="login_username_placeholder">steffo</string>
+    <string name="login_username_supporting">The Matrix ID to login as.</string>
     <string name="login_password_placeholder">p4ssw0rd!</string>
     <string name="login_password_supporting">The password of the Matrix account.</string>
     <string name="login_username_label">Username</string>