Please install a file manager (#1640)

app/src/main/java/org/lsposed/manager/adapters/ScopeAdapter.java

@@ -24,6 +24,7 @@ import static android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
+import android.content.ActivityNotFoundException;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.ApplicationInfo;
@@ -254,12 +255,22 @@ public class ScopeAdapter extends EmptyStateRecyclerView.EmptyStateAdapter<Scope
             preferences.edit().putBoolean("filter_denylist", item.isChecked()).apply();
         } else if (itemId == R.id.backup) {
             LocalDateTime now = LocalDateTime.now();
-            fragment.backupLauncher.launch(String.format(LocaleDelegate.getDefaultLocale(),
+            try {
-                    "%s_%s.lsp", module.getAppName(), now.toString()));
+                fragment.backupLauncher.launch(String.format(LocaleDelegate.getDefaultLocale(),
-            return true;
+                        "%s_%s.lsp", module.getAppName(), now.toString()));
+                return true;
+            } catch (ActivityNotFoundException e) {
+                fragment.showHint(R.string.enable_documentui, true);
+                return false;
+            }
         } else if (itemId == R.id.restore) {
-            fragment.restoreLauncher.launch(new String[]{"*/*"});
+            try {
-            return true;
+                fragment.restoreLauncher.launch(new String[]{"*/*"});
+                return true;
+            } catch (ActivityNotFoundException e) {
+                fragment.showHint(R.string.enable_documentui, true);
+                return false;
+            }
         } else if (!AppHelper.onOptionsItemSelected(item, preferences)) {
             return false;
         }

app/src/main/java/org/lsposed/manager/ui/fragment/LogsFragment.java

@@ -20,6 +20,7 @@
 package org.lsposed.manager.ui.fragment;
 
 import android.annotation.SuppressLint;
+import android.content.ActivityNotFoundException;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
@@ -162,7 +163,11 @@ public class LogsFragment extends BaseFragment {
     private void save() {
         LocalDateTime now = LocalDateTime.now();
         String filename = String.format(LocaleDelegate.getDefaultLocale(), "LSPosed_%s.zip", now.toString());
-        saveLogsLauncher.launch(filename);
+        try {
+            saveLogsLauncher.launch(filename);
+        } catch (ActivityNotFoundException e) {
+            showHint(R.string.enable_documentui, true);
+        }
     }
 
     @Override
@@ -200,7 +205,7 @@ public class LogsFragment extends BaseFragment {
 
             @SuppressLint("NotifyDataSetChanged")
             void refresh(List<CharSequence> log) {
-                runOnUiThread(() ->{
+                runOnUiThread(() -> {
                     isLoaded = true;
                     this.log = log;
                     notifyDataSetChanged();

app/src/main/java/org/lsposed/manager/ui/fragment/SettingsFragment.java

@@ -19,6 +19,7 @@
 
 package org.lsposed.manager.ui.fragment;
 
+import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.os.Build;
 import android.os.Bundle;
@@ -176,9 +177,14 @@ public class SettingsFragment extends BaseFragment {
                 backup.setEnabled(installed);
                 backup.setOnPreferenceClickListener(preference -> {
                     LocalDateTime now = LocalDateTime.now();
-                    backupLauncher.launch(String.format(LocaleDelegate.getDefaultLocale(),
+                    try {
-                            "LSPosed_%s.lsp", now.toString()));
+                        backupLauncher.launch(String.format(LocaleDelegate.getDefaultLocale(),
-                    return true;
+                                "LSPosed_%s.lsp", now.toString()));
+                        return true;
+                    } catch (ActivityNotFoundException e) {
+                        parentFragment.showHint(R.string.enable_documentui, true);
+                        return false;
+                    }
                 });
             }
 
@@ -186,8 +192,13 @@ public class SettingsFragment extends BaseFragment {
             if (restore != null) {
                 restore.setEnabled(installed);
                 restore.setOnPreferenceClickListener(preference -> {
-                    restoreLauncher.launch(new String[]{"*/*"});
+                    try {
-                    return true;
+                        restoreLauncher.launch(new String[]{"*/*"});
+                        return true;
+                    } catch (ActivityNotFoundException e) {
+                        parentFragment.showHint(R.string.enable_documentui, true);
+                        return false;
+                    }
                 });
             }
 

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

@@ -229,4 +229,5 @@
     <string name="sort_upgradable_first">Upgradable first</string>
     <string name="overview">Overview</string>
     <string name="create_shortcut_summary">Manually create parasitic manager shortcut</string>
+    <string name="enable_documentui">Please enable DocumentUI</string>
 </resources>