WIP, implement indexing for local pdf documents on device

mobile_app/android/app/src/main/AndroidManifest.xml

@@ -1,4 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission." />
     <application
         android:label="mobile_app"
         android:name="${applicationName}"

mobile_app/flutter_rust_bridge.yaml

@@ -1,3 +1,5 @@
-rust_input: crate::api
+rust_input: crate::api,crate::tantivy
 rust_root: rust/
-dart_output: lib/src/rust
+dart_output: lib/src/rust
+#rust_preamble:
+#  use std::path::PathBuf;

mobile_app/lib/file.dart

@@ -0,0 +1,47 @@
+import 'dart:io';
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'dart:io';
+import 'package:gap/gap.dart';
+import 'package:mobile_app/utils.dart';
+
+class FileApp extends StatelessWidget {
+  late List<FileSystemEntity> files = [];
+  FileApp({super.key, required this.files});
+
+  @override
+  Widget build(BuildContext context) {
+    //TODO:switch to class, so we can access more attributes outside of title
+
+    return SizedBox.shrink(
+        child: Column(
+      children: [
+        const ListTile(
+            leading: Text(
+          "files",
+          style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
+        )),
+        Column(
+            children: List.generate(files.length, (int index) {
+          String fileName = files[index].path.split("/").last;
+          String fileType = files[index].path.split("/").last.split(".").last;
+
+          Map<String, Icon> fileIcon = {"pdf": Icon(Icons.picture_as_pdf)};
+
+          return ListTile(
+            leading: fileIcon[fileType] ?? Icon(Icons.book),
+            trailing: Icon(Icons.chevron_right),
+            //TODO: style to make borders visible
+            onTap: () {
+              PdfScanner().openFile(files[index]);
+              //TODO: Handle click, popular search bar with text controller
+            },
+            title: Text(fileName), // Display results from search
+          );
+        })),
+      ],
+    ));
+  }
+}