Preview for Timeline Event - WIP

libraries/core/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id 'com.android.library'
     id 'org.jetbrains.kotlin.android'
+    id 'io.element.android-compose'
 }
 
 android {

libraries/core/src/main/java/io/element/android/x/core/compose/Previews.kt

@@ -0,0 +1,14 @@
+package io.element.android.x.core.compose
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+
+open class PairCombinedPreviewParameter<T1, T2>(
+    private val provider: Pair<PreviewParameterProvider<T1>, PreviewParameterProvider<T2>>
+) : PreviewParameterProvider<Pair<T1, T2>> {
+    override val values: Sequence<Pair<T1, T2>>
+        get() = provider.first.values.flatMap { first ->
+            provider.second.values.map { second ->
+                first to second
+            }
+        }
+}