show file intent after export

app/src/main/java/net/headlezz/notificationlogger/preferences/PreferenceFragment.java

@@ -3,9 +3,12 @@ package net.headlezz.notificationlogger.preferences;
 import android.Manifest;
 import android.app.Activity;
 import android.app.ProgressDialog;
+import android.content.ActivityNotFoundException;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
+import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.os.Environment;
@@ -17,6 +20,7 @@ import android.support.v7.app.AlertDialog;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceFragmentCompat;
 import android.text.Html;
+import android.view.View;
 import android.widget.Toast;
 
 import com.google.gson.Gson;
@@ -167,17 +171,38 @@ public class PreferenceFragment extends PreferenceFragmentCompat implements Pref
                 if (progressDialog != null && progressDialog.isShowing())
                     progressDialog.dismiss();
                 if (getActivity() != null) {
-                    String message;
+
-                    if (path.isEmpty())
+                    if (path.isEmpty()) {
-                        message = getContext().getString(R.string.pref_export_snack_failed);
+                        String message = getContext().getString(R.string.pref_export_snack_failed);
-                    else
+                        Snackbar snack = Snackbar.make(getActivity().findViewById(android.R.id.content), message, Snackbar.LENGTH_SHORT);
-                        message = String.format(getContext().getString(R.string.pref_export_snack_success), path);
+                        snack.show();
-                    Snackbar.make(getActivity().findViewById(android.R.id.content), message, Snackbar.LENGTH_SHORT).show();
+                    } else {
+                        String message = String.format(getContext().getString(R.string.pref_export_snack_success), path);
+                        Snackbar snack = Snackbar.make(getActivity().findViewById(android.R.id.content), message, Snackbar.LENGTH_SHORT);
+                        snack.setAction(R.string.pref_export_snack_action, new View.OnClickListener() {
+                            @Override
+                            public void onClick(View v) {
+                                showFolder();
+                            }
+                        });
+                        snack.show();
+                    }
                 }
             }
         }.execute();
     }
 
+    private void showFolder() {
+        try {
+            Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
+            Uri uri = Uri.parse(Environment.getExternalStorageDirectory().getPath());
+            intent.setDataAndType(uri, "file/*");
+            startActivity(Intent.createChooser(intent, getContext().getString(R.string.pref_export_snack_show_chooser_title)));
+        } catch (ActivityNotFoundException e) {
+            Toast.makeText(getContext(), R.string.pref_export_snack_show_activity_not_found, Toast.LENGTH_SHORT).show();
+        }
+    }
+
     private void askClearDatabase() {
         new AlertDialog.Builder(getContext())
                 .setTitle(R.string.pref_clear_database_dialog_title)

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

@@ -80,6 +80,9 @@
     <string name="share_title">Share Notification</string>
     <string name="notification_list_frag_blacklist_snack">%s blacklisted.</string>
     <string name="notification_list_frag_blacklist_snack_action">Undo</string>
+    <string name="pref_export_snack_action">Show</string>
+    <string name="pref_export_snack_show_chooser_title">Open folder</string>
+    <string name="pref_export_snack_show_activity_not_found">No file browser installed.</string>
 
     <string-array name="notification_list_options">
         <item>Show more info</item>