refactor: remove getString() from RadioConfigViewModel

app/src/main/java/com/geeksville/mesh/util/UiText.kt

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2024 Meshtastic LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.geeksville.mesh.util
+
+import android.content.Context
+import androidx.annotation.StringRes
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+
+@Suppress("SpreadOperator")
+sealed class UiText {
+    data class DynamicString(val value: String) : UiText()
+    class StringResource(@StringRes val resId: Int, vararg val args: Any) : UiText()
+
+    @Composable
+    fun asString(): String {
+        return when (this) {
+            is DynamicString -> value
+            is StringResource -> stringResource(resId, *args)
+        }
+    }
+
+    fun asString(context: Context): String {
+        return when (this) {
+            is DynamicString -> value
+            is StringResource -> context.getString(resId, *args)
+        }
+    }
+}