Set ImportExportDataPath only on successful import

Also set the folder instead of the file itself as path

Author: XiangRongLin

app/src/main/java/org/schabi/newpipe/settings/ContentSettingsFragment.java

@@ -177,15 +177,14 @@ public void onActivityResult(final int requestCode, final int resultCode,
         if ((requestCode == REQUEST_IMPORT_PATH || requestCode == REQUEST_EXPORT_PATH)
                 && resultCode == Activity.RESULT_OK && data.getData() != null) {
             final File file = Utils.getFileForUri(data.getData());
-            final String path = file.getAbsolutePath();
 
             if (requestCode == REQUEST_EXPORT_PATH) {
                 exportDatabase(file);
             } else {
                 final AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
                 builder.setMessage(R.string.override_current_data)
                         .setPositiveButton(getString(R.string.finish),
-                                (d, id) -> importDatabase(path))
+                                (d, id) -> importDatabase(file))
                         .setNegativeButton(android.R.string.cancel,
                                 (d, id) -> d.cancel());
                 builder.create().show();
@@ -214,11 +213,13 @@ private void exportDatabase(final File folder) {
         }
     }
 
-    private void importDatabase(final String filePath) {
+    private void importDatabase(final File file) {
+        final String filePath = file.getAbsolutePath();
+
         // check if file is supported
         if (!ZipHelper.isValidZipFile(filePath)) {
             Toast.makeText(getContext(), R.string.no_valid_zip_file, Toast.LENGTH_SHORT)
-                .show();
+                    .show();
             return;
         }
 
@@ -239,26 +240,37 @@ private void importDatabase(final String filePath) {
 
                 alert.setNegativeButton(android.R.string.no, (dialog, which) -> {
                     dialog.dismiss();
-                    // restart app to properly load db
-                    System.exit(0);
+                    finishImport(file);
                 });
                 alert.setPositiveButton(getString(R.string.finish), (dialog, which) -> {
                     dialog.dismiss();
                     manager.loadSharedPreferences(PreferenceManager
-                        .getDefaultSharedPreferences(requireContext()));
-                    // restart app to properly load db
-                    System.exit(0);
+                            .getDefaultSharedPreferences(requireContext()));
+                    finishImport(file);
                 });
                 alert.show();
             } else {
-                // restart app to properly load db
-                System.exit(0);
+                finishImport(file);
             }
         } catch (final Exception e) {
             ErrorActivity.reportUiErrorInSnackbar(this, "Importing database", e);
         }
     }
 
+    /**
+     * Save import path and restart system.
+     *
+     * @param file The file of the created backup
+     */
+    private void finishImport(final File file) {
+        if (file.getParentFile() != null) {
+            setImportExportDataPath(file.getParentFile());
+        }
+
+        // restart app to properly load db
+        System.exit(0);
+    }
+
     private void setImportExportDataPath(final File file) {
         final String directoryPath;
         if (file.isDirectory()) {