From c9f20cecaec283c02ffd47ec69f8381bc833c89d Mon Sep 17 00:00:00 2001
From: xdavidwu <xdavidwuph@gmail.com>
Date: Tue, 11 Jun 2019 14:16:39 +0800
Subject: [PATCH] notify root change when config changes

---
 src/main/java/org/safsftp/MainActivity.java | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/safsftp/MainActivity.java b/src/main/java/org/safsftp/MainActivity.java
index b934b16..10d1395 100644
--- a/src/main/java/org/safsftp/MainActivity.java
+++ b/src/main/java/org/safsftp/MainActivity.java
@@ -2,14 +2,20 @@ package org.safsftp;
 
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.net.Uri;
 import android.preference.EditTextPreference;
 import android.preference.PreferenceActivity;
+import android.provider.DocumentsContract;
 import android.os.Bundle;
 
 public class MainActivity extends PreferenceActivity
 	implements OnSharedPreferenceChangeListener {
-
 	private EditTextPreference hostText, portText, usernameText, passwdText;
+
+	private void notifyRootChanges(){
+		Uri uri=DocumentsContract.buildRootsUri("org.safsftp");
+		getContentResolver().notifyChange(uri,null);
+	}
 	
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
@@ -28,6 +34,7 @@ public class MainActivity extends PreferenceActivity
 	@Override
 	public void onSharedPreferenceChanged(SharedPreferences settings,
 			String key) {
+		notifyRootChanges();
 		switch(key){
 		case "host":
 			if (settings.getString("host", "").equals(""))
-- 
2.45.2