add material you calendar agenda widget with compose + glance

app/src/main/java/space/darkest/nova/android/MainActivity.kt

@@ -0,0 +1,47 @@
+package space.darkest.nova.android
+
+import android.Manifest
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import space.darkest.nova.android.data.CalendarRepository
+import space.darkest.nova.android.ui.AgendaScreen
+import space.darkest.nova.android.ui.theme.NovaTheme
+
+class MainActivity : ComponentActivity() {
+
+    private var agenda by mutableStateOf(emptyList<space.darkest.nova.android.data.AgendaDay>())
+
+    private val calendarPermission = registerForActivityResult(
+        ActivityResultContracts.RequestPermission()
+    ) { granted ->
+        if (granted) refreshAgenda()
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+
+        calendarPermission.launch(Manifest.permission.READ_CALENDAR)
+
+        setContent {
+            NovaTheme {
+                AgendaScreen(agenda)
+            }
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        refreshAgenda()
+    }
+
+    private fun refreshAgenda() {
+        agenda = CalendarRepository.getAgenda(this, 14)
+    }
+}