custom directory

android/app/build.gradle

@@ -9,6 +9,7 @@ android {
     namespace = "com.example.muzzlevelocity"
     compileSdk = flutter.compileSdkVersion
     ndkVersion = flutter.ndkVersion
+    compileSdkVersion 34
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
@@ -28,6 +29,7 @@ android {
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName
+        targetSdkVersion 34
     }
 
     buildTypes {

android/app/src/main/AndroidManifest.xml

@@ -1,8 +1,14 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>
+
     <application
         android:label="muzzlevelocity"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
+        android:requestLegacyExternalStorage="true">
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -42,5 +48,14 @@
             <action android:name="android.intent.action.PROCESS_TEXT"/>
             <data android:mimeType="text/plain"/>
         </intent>
+        <intent>
+            <action android:name="android.intent.action.MAIN" />
+        </intent>
+        <intent>
+            <action android:name="android.intent.action.OPEN_DOCUMENT_TREE" />
+        </intent>
+        <intent>
+            <action android:name="android.settings.MANAGE_ALL_FILES_ACCESS_PERMISSION"/>
+        </intent>
     </queries>
 </manifest>

android/app/src/main/kotlin/com/example/muzzlevelocity/MainActivity.kt

@@ -1,5 +1,11 @@
 package com.example.muzzlevelocity
 
-import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.android.FlutterFragmentActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugins.GeneratedPluginRegistrant
 
-class MainActivity: FlutterActivity()
+class MainActivity: FlutterFragmentActivity() {
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        GeneratedPluginRegistrant.registerWith(flutterEngine)
+    }
+}