added option to delete downloaded file

app/src/main/java/com/vanced/manager/core/downloader/MicrogDownloadService.kt

@@ -33,6 +33,7 @@ class MicrogDownloadService: Service() {
     private fun downloadMicrog() {
         runBlocking {
             launch {
+                getExternalFilesDir("apk")?.delete()
                 val url = getObjectFromJson(
                     "${PreferenceManager.getDefaultSharedPreferences(this@MicrogDownloadService)
                         .getString("install_url", baseUrl)}/microg.json", "url"

app/src/main/java/com/vanced/manager/core/downloader/VancedDownloadService.kt

@@ -41,6 +41,7 @@ class VancedDownloadService: Service() {
         val context = this
         runBlocking {
             launch {
+                getExternalFilesDir("apks")?.delete()
                 val defPrefs = PreferenceManager.getDefaultSharedPreferences(context)
                 val installUrl = defPrefs.getString("install_url", baseUrl)
                 val vancedVer = getObjectFromJson("$installUrl/vanced.json", "version")

app/src/main/java/com/vanced/manager/ui/fragments/SettingsFragment.kt

@@ -91,6 +91,15 @@ class SettingsFragment : PreferenceFragmentCompat() {
             true
         }
 
+        findPreference<Preference>("clear_files")?.setOnPreferenceClickListener {
+            with(requireActivity()) {
+                getExternalFilesDir("apk")?.delete()
+                getExternalFilesDir("apks")?.delete()
+                Toast.makeText(this, getString(R.string.cleared_files), Toast.LENGTH_SHORT)
+            }
+            true
+        }
+
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {

app/src/main/res/values/strings.xml

@@ -49,12 +49,14 @@
     <string name="accent_purple">Purple</string>
     <string name="accent_red">Red</string>
     <string name="accent_yellow">Yellow</string>
-    <string name="check_updates">Check for updates</string>
     <string name="category_interface">Interface</string>
     <string name="category_manager">Manager</string>
+    <string name="check_updates">Check for updates</string>
     <string name="chosen_install_values">Chosen installation preferences</string>
     <string name="chosen_lang">Language(s): %1$s</string>
     <string name="chosen_theme">Theme: %1$s</string>
+    <string name="clear_files">Clear downloaded files</string>
+    <string name="cleared_files">Successfully cleared files</string>
     <string name="link_title">Use Chrome Custom Tabs</string>
     <string name="link_custom_tabs">Links will open in Chrome Custom Tabs</string>
     <string name="link_external_browser">Links will open in an External Browser</string>

app/src/main/res/xml/preferences.xml

@@ -67,6 +67,10 @@
             android:title="@string/update_url"
             android:key="install_url" />
 
+        <Preference
+            android:title="@string/clear_files"
+            android:key="clear_files"/>
+
     </PreferenceCategory>
 
 </PreferenceScreen>