From 95fa835191d052feee915cfa047230a05176e646 Mon Sep 17 00:00:00 2001
From: R4SAS <r4sas@i2pmail.org>
Date: Sat, 11 Apr 2020 23:28:45 +0300
Subject: [PATCH] [android] update strings, menus, add reloading tunnels item

Signed-off-by: R4SAS <r4sas@i2pmail.org>
---
 android/.gitignore                            |   2 +
 android/AndroidManifest.xml                   |   5 +-
 android/jni/i2pd_android.cpp                  |   6 +
 android/jni/org_purplei2p_i2pd_I2PD_JNI.h     |   3 +
 android/res/layout/activity_perms_asker.xml   |   7 +-
 .../res/layout/activity_perms_explanation.xml |   6 +-
 android/res/layout/webview.xml                |  11 +-
 android/res/menu/options_main.xml             |  30 +-
 android/res/values-ru/strings.xml             |  18 +-
 android/res/values/strings.xml                |  20 +-
 .../org/purplei2p/i2pd/DaemonSingleton.java   |  76 +++-
 .../src/org/purplei2p/i2pd/I2PDActivity.java  | 380 +++++++++---------
 android/src/org/purplei2p/i2pd/I2PD_JNI.java  |   2 +
 13 files changed, 325 insertions(+), 241 deletions(-)

diff --git a/android/.gitignore b/android/.gitignore
index 666c6694..57a0a6cd 100644
--- a/android/.gitignore
+++ b/android/.gitignore
@@ -4,6 +4,7 @@ bin
 libs
 log*
 obj
+.cxx
 .gradle
 .idea
 .externalNativeBuild
@@ -14,3 +15,4 @@ android.iml
 build
 *.iml
 *.local
+*.jks
diff --git a/android/AndroidManifest.xml b/android/AndroidManifest.xml
index a95e3773..88985138 100755
--- a/android/AndroidManifest.xml
+++ b/android/AndroidManifest.xml
@@ -17,8 +17,9 @@
         android:label="@string/app_name"
         android:theme="@android:style/Theme.Holo.Light.DarkActionBar"
         android:requestLegacyExternalStorage="true"
-	android:usesCleartextTraffic="true"
+        android:usesCleartextTraffic="true"
         >
+
         <receiver android:name=".NetworkStateChangeReceiver">
             <intent-filter>
                 <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
@@ -30,10 +31,10 @@
             android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
         <activity
             android:name=".I2PDActivity"
             android:label="@string/app_name" />
diff --git a/android/jni/i2pd_android.cpp b/android/jni/i2pd_android.cpp
index da908648..bb058b5d 100755
--- a/android/jni/i2pd_android.cpp
+++ b/android/jni/i2pd_android.cpp
@@ -2,6 +2,7 @@
 #include "org_purplei2p_i2pd_I2PD_JNI.h"
 #include "DaemonAndroid.h"
 #include "RouterContext.h"
+#include "ClientContext.h"
 #include "Transports.h"
 
 JNIEXPORT jstring JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_getABICompiledWith
@@ -61,6 +62,11 @@ JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_startAcceptingTunnels
 	i2p::context.SetAcceptsTunnels (true);
 }
 
+JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_reloadTunnelsConfigs
+	(JNIEnv *env, jclass clazz) {
+	i2p::client::context.ReloadConfig();
+}
+
 JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_onNetworkStateChanged
 	(JNIEnv *env, jclass clazz, jboolean isConnected) {
 	bool isConnectedBool = (bool) isConnected;
diff --git a/android/jni/org_purplei2p_i2pd_I2PD_JNI.h b/android/jni/org_purplei2p_i2pd_I2PD_JNI.h
index 6939a153..6d809e63 100644
--- a/android/jni/org_purplei2p_i2pd_I2PD_JNI.h
+++ b/android/jni/org_purplei2p_i2pd_I2PD_JNI.h
@@ -27,6 +27,9 @@ JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_stopAcceptingTunnels
 JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_startAcceptingTunnels
 	(JNIEnv *, jclass);
 
+JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_reloadTunnelsConfigs
+	(JNIEnv *, jclass);
+
 JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_onNetworkStateChanged
 	(JNIEnv * env, jclass clazz, jboolean isConnected);
 
diff --git a/android/res/layout/activity_perms_asker.xml b/android/res/layout/activity_perms_asker.xml
index d2d12cb6..778c9ef5 100644
--- a/android/res/layout/activity_perms_asker.xml
+++ b/android/res/layout/activity_perms_asker.xml
@@ -15,13 +15,12 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="@dimen/horizontal_page_margin"
-        android:visibility="gone"
-        />
+        android:visibility="gone" />
 
     <Button
         android:id="@+id/button_request_write_ext_storage_perms"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Retry requesting the SD card write permissions"
-        android:visibility="gone"/>
+        android:text="@string/retryPermRequest"
+        android:visibility="gone" />
 </LinearLayout>
\ No newline at end of file
diff --git a/android/res/layout/activity_perms_explanation.xml b/android/res/layout/activity_perms_explanation.xml
index 1c9cce82..9129a437 100644
--- a/android/res/layout/activity_perms_explanation.xml
+++ b/android/res/layout/activity_perms_explanation.xml
@@ -15,13 +15,11 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="@dimen/horizontal_page_margin"
-        android:text="SD card write access is required to write the keys and other files to the I2PD folder on SD card."
-        />
+        android:text="@string/permRequired" />
 
     <Button
         android:id="@+id/button_ok"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="OK"
-        />
+        android:text="@string/ok" />
 </LinearLayout>
\ No newline at end of file
diff --git a/android/res/layout/webview.xml b/android/res/layout/webview.xml
index d13be23e..887896a7 100644
--- a/android/res/layout/webview.xml
+++ b/android/res/layout/webview.xml
@@ -5,9 +5,8 @@
     android:layout_height="fill_parent"
     tools:context=".I2PDActivity">
 
-<WebView
-	android:id="@+id/webview1"
-	android:layout_width="fill_parent"
-	android:layout_height="fill_parent"/>
-
-</LinearLayout> 
+    <WebView
+        android:id="@+id/webview1"
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent" />
+</LinearLayout>
diff --git a/android/res/menu/options_main.xml b/android/res/menu/options_main.xml
index b0f23bd2..f5ea62ab 100644
--- a/android/res/menu/options_main.xml
+++ b/android/res/menu/options_main.xml
@@ -3,23 +3,29 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     tools:context=".I2PDActivity">
-    <group android:id="@+id/group_i2pd_control" >
+
+    <group android:id="@+id/group_various">
         <item
-            android:id="@+id/action_stop"
-            android:orderInCategory="99"
-            android:title="@string/action_stop" />
+            android:id="@+id/action_battery_otimizations"
+            android:title="@string/menu_item_battery_optimizations_str" />
+    </group>
+
+    <group android:id="@+id/group_i2pd_control">
+        <item
+            android:id="@+id/action_start_webview"
+            android:orderInCategory="96"
+            android:title="@string/action_start_webview" />
+        <item
+            android:id="@+id/action_reload_tunnels_config"
+            android:orderInCategory="97"
+            android:title="@string/action_reload_tunnels_config" />
         <item
             android:id="@+id/action_graceful_stop"
             android:orderInCategory="98"
             android:title="@string/action_graceful_stop" />
         <item
-            android:id="@+id/action_start_webview"
-            android:orderInCategory="97"
-            android:title="@string/action_start_webview" />
-    </group>
-    <group android:id="@+id/group_various" >
-        <item
-            android:id="@+id/action_battery_otimizations"
-            android:title="@string/menu_item_battery_optimizations_str" />
+            android:id="@+id/action_stop"
+            android:orderInCategory="99"
+            android:title="@string/action_stop" />
     </group>
 </menu>
diff --git a/android/res/values-ru/strings.xml b/android/res/values-ru/strings.xml
index 1b0b2113..91493756 100755
--- a/android/res/values-ru/strings.xml
+++ b/android/res/values-ru/strings.xml
@@ -1,28 +1,40 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="app_name">i2pd</string>
+
     <string name="action_stop">Остановить</string>
     <string name="action_graceful_stop">Корректная остановка</string>
     <string name="action_cancel_graceful_stop">Отменить корректную остановку</string>
+    <string name="action_reload_tunnels_config">Перезагрузить туннели</string>
+    <string name="action_start_webview">Открыть Веб Консоль</string>
+
     <string name="graceful_stop_is_already_in_progress">Корректная остановка уже запущена</string>
     <string name="graceful_stop_is_in_progress">Корректная остановка запущена</string>
+    <string name="gracefulShutdownInProgress">Корректная остановка запущена</string>
+
     <string name="already_stopped">Уже остановлено</string>
     <string name="uninitialized">Приложение инициализируется</string>
     <string name="starting">Приложение запускается</string>
     <string name="jniLibraryLoaded">Загружены JNI библиотеки</string>
     <string name="startedOkay">Приложение запущено</string>
     <string name="startFailed">Запуск не удался</string>
-    <string name="gracefulShutdownInProgress">Корректная остановка запущена</string>
     <string name="stopped">Приложение было остановлено</string>
     <string name="remaining">осталось</string>
+
     <string name="title_activity_i2_pdperms_asker_prompt">Запрос</string>
     <string name="permDenied">Права для записи на SD карту отклонены, вам необходимо предоставить их для продолжения</string>
+    <string name="permRequired">Права на запись на SD карту необходимы для записи ключей и других файлов в папку I2PD на внутренней памяти.</string>
+    <string name="retryPermRequest">Повторить запрос прав на запись на SD карту</string>
+
     <string name="menu_item_battery_optimizations_str">Оптимизации аккумулятора</string>
     <string name="battery_optimizations_enabled">Оптимизации аккумулятора включены</string>
-    <string name="device_does_not_support_disabling_battery_optimizations">Ваша версия Андроид не поддерживает отключение оптимизаций аккумулятора</string>
     <string name="battery_optimizations_enabled_explained">Ваша операционная система осуществляет оптимизации расхода аккумулятора, которые могут приводить к выгрузке I2PD из памяти и прекращению его работы с целью сэкономить заряд аккумулятора.\nРекомендуется отключить эти оптимизации.</string>
-    <string name="battery_optimizations_enabled_dialog"   >Ваша операционная система осуществляет оптимизации расхода аккумулятора, которые могут приводить к выгрузке I2PD из памяти и прекращению его работы с целью сэкономить заряд аккумулятора.\n\nВам сейчас будет предложено разрешить отключение этих оптимизаций.</string>
+    <string name="battery_optimizations_enabled_dialog">Ваша операционная система осуществляет оптимизации расхода аккумулятора, которые могут приводить к выгрузке I2PD из памяти и прекращению его работы с целью сэкономить заряд аккумулятора.\n\nВам сейчас будет предложено разрешить отключение этих оптимизаций.</string>
     <string name="continue_str">Продолжить</string>
+    <string name="device_does_not_support_disabling_battery_optimizations">Ваша версия Андроид не поддерживает отключение оптимизаций аккумулятора</string>
     <string name="os_version_does_not_support_battery_optimizations_show_os_dialog_api">Ваша версия Андроид не поддерживает показ диалога об оптимизациях аккумулятора для приложений.</string>
+
     <string name="shutdown_canceled">Плановая остановка отменена</string>
+
+    <string name="tunnels_reloading">Перезагрузка конфигурации туннелей...</string>
 </resources>
diff --git a/android/res/values/strings.xml b/android/res/values/strings.xml
index a09feeca..b3b7e389 100755
--- a/android/res/values/strings.xml
+++ b/android/res/values/strings.xml
@@ -1,29 +1,41 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <string name="app_name">i2pd</string>
+
     <string name="action_stop">Stop</string>
     <string name="action_graceful_stop">Graceful Stop</string>
     <string name="action_cancel_graceful_stop">Cancel Graceful Stop</string>
+    <string name="action_reload_tunnels_config">Reload tunnels</string>
+    <string name="action_start_webview">Open Web Console</string>
+
     <string name="graceful_stop_is_already_in_progress">Graceful stop is already in progress</string>
     <string name="graceful_stop_is_in_progress">Graceful stop is in progress</string>
+    <string name="gracefulShutdownInProgress">Graceful shutdown in progress</string>
+
     <string name="already_stopped">Already stopped</string>
     <string name="uninitialized">Application initializing</string>
     <string name="starting">Application starting</string>
     <string name="jniLibraryLoaded">Loaded JNI libraries</string>
     <string name="startedOkay">Application Started</string>
     <string name="startFailed">Start failed</string>
-    <string name="gracefulShutdownInProgress">Graceful shutdown in progress</string>
     <string name="stopped">Application stopped</string>
     <string name="remaining">remaining</string>
+    <string name="ok">OK</string>
+
     <string name="title_activity_i2_pdperms_asker_prompt">Prompt</string>
     <string name="permDenied">SD card write permission denied, you need to allow this to continue</string>
+    <string name="permRequired">SD card write access is required to write the keys and other files to the I2PD folder on SD card.</string>
+    <string name="retryPermRequest">Retry requesting the SD card write permissions</string>
+
+    <string name="menu_item_battery_optimizations_str">Battery Optimizations</string>
     <string name="battery_optimizations_enabled">Battery optimizations enabled</string>
     <string name="battery_optimizations_enabled_explained">Your Android is doing some heavy battery optimizations on I2PD that might lead to daemon closing with no other reason.\nIt is recommended to allow disabling those battery optimizations.</string>
-    <string name="battery_optimizations_enabled_dialog"   >Your Android is doing some heavy battery optimizations on I2PD that might lead to daemon closing with no other reason.\n\nYou will now be asked to allow to disable those.</string>
+    <string name="battery_optimizations_enabled_dialog">Your Android is doing some heavy battery optimizations on I2PD that might lead to daemon closing with no other reason.\n\nYou will now be asked to allow to disable those.</string>
     <string name="continue_str">Continue</string>
     <string name="device_does_not_support_disabling_battery_optimizations">Your Android version does not support opting out of battery optimizations</string>
-    <string name="menu_item_battery_optimizations_str">Battery Optimizations</string>
     <string name="os_version_does_not_support_battery_optimizations_show_os_dialog_api">Your Android OS version does not support showing the dialog for battery optimizations for applications.</string>
+
     <string name="shutdown_canceled">Planned shutdown canceled</string>
-    <string name="action_start_webview">Start webview</string>
+
+    <string name="tunnels_reloading">Reloading tunnels config...</string>
 </resources>
diff --git a/android/src/org/purplei2p/i2pd/DaemonSingleton.java b/android/src/org/purplei2p/i2pd/DaemonSingleton.java
index 5f806024..49a323ae 100644
--- a/android/src/org/purplei2p/i2pd/DaemonSingleton.java
+++ b/android/src/org/purplei2p/i2pd/DaemonSingleton.java
@@ -10,36 +10,61 @@ import org.purplei2p.i2pd.R;
 public class DaemonSingleton {
 	private static final String TAG = "i2pd";
 	private static final DaemonSingleton instance = new DaemonSingleton();
-	public interface StateUpdateListener { void daemonStateUpdate(); }
+
+	public interface StateUpdateListener {
+		void daemonStateUpdate();
+	}
+
 	private final Set<StateUpdateListener> stateUpdateListeners = new HashSet<>();
 
-	public static DaemonSingleton getInstance() { return instance; }
+	public static DaemonSingleton getInstance() {
+		return instance;
+	}
+
+	public synchronized void addStateChangeListener(StateUpdateListener listener) {
+		stateUpdateListeners.add(listener);
+	}
 
-	public synchronized void addStateChangeListener(StateUpdateListener listener) { stateUpdateListeners.add(listener); }
-	public synchronized void removeStateChangeListener(StateUpdateListener listener) { stateUpdateListeners.remove(listener); }
+	public synchronized void removeStateChangeListener(StateUpdateListener listener) {
+		stateUpdateListeners.remove(listener);
+	}
 
 	private synchronized void setState(State newState) {
-		if(newState==null)throw new NullPointerException();
+		if (newState == null)
+			throw new NullPointerException();
+
 		State oldState = state;
-		if(oldState==null)throw new NullPointerException();
-		if(oldState.equals(newState))return;
-		state=newState;
+
+		if (oldState == null)
+			throw new NullPointerException();
+
+		if (oldState.equals(newState))
+			return;
+
+		state = newState;
 		fireStateUpdate1();
 	}
+
 	public synchronized void stopAcceptingTunnels() {
-		if(isStartedOkay()){
+		if (isStartedOkay()) {
 			setState(State.gracefulShutdownInProgress);
 			I2PD_JNI.stopAcceptingTunnels();
 		}
 	}
 
 	public synchronized void startAcceptingTunnels() {
-		if(isStartedOkay()){
+		if (isStartedOkay()) {
 			setState(State.startedOkay);
 			I2PD_JNI.startAcceptingTunnels();
 		}
 	}
 
+	public synchronized void reloadTunnelsConfigs() {
+		if (isStartedOkay()) {
+			I2PD_JNI.reloadTunnelsConfigs();
+		}
+	}
+
 	private volatile boolean startedOkay;
 
 	public enum State {
@@ -64,11 +89,13 @@ public class DaemonSingleton {
 
 	private volatile State state = State.uninitialized;
 
-	public State getState() { return state; }
+	public State getState() {
+		return state;
+	}
 
 	{
 		setState(State.starting);
-		new Thread(new Runnable(){
+		new Thread(new Runnable() {
 
 			@Override
 			public void run() {
@@ -76,7 +103,7 @@ public class DaemonSingleton {
 					I2PD_JNI.loadLibraries();
 					setState(State.jniLibraryLoaded);
 				} catch (Throwable tr) {
-					lastThrowable=tr;
+					lastThrowable = tr;
 					setState(State.startFailed);
 					return;
 				}
@@ -84,25 +111,27 @@ public class DaemonSingleton {
 					synchronized (DaemonSingleton.this) {
 						I2PD_JNI.setDataDir(Environment.getExternalStorageDirectory().getAbsolutePath() + "/i2pd");
 						daemonStartResult = I2PD_JNI.startDaemon();
-						if("ok".equals(daemonStartResult)){
+						if ("ok".equals(daemonStartResult)) {
 							setState(State.startedOkay);
 							setStartedOkay(true);
-						}else setState(State.startFailed);
+						} else
+							setState(State.startFailed);
 					}
 				} catch (Throwable tr) {
-					lastThrowable=tr;
+					lastThrowable = tr;
 					setState(State.startFailed);
 				}
 			}
 
 		}, "i2pdDaemonStart").start();
 	}
+
 	private Throwable lastThrowable;
-	private String daemonStartResult="N/A";
+	private String daemonStartResult = "N/A";
 
 	private void fireStateUpdate1() {
-		Log.i(TAG, "daemon state change: "+state);
-		for(StateUpdateListener listener : stateUpdateListeners) {
+		Log.i(TAG, "daemon state change: " + state);
+		for (StateUpdateListener listener : stateUpdateListeners) {
 			try {
 				listener.daemonStateUpdate();
 			} catch (Throwable tr) {
@@ -134,8 +163,13 @@ public class DaemonSingleton {
 	}
 
 	public synchronized void stopDaemon() {
-		if(isStartedOkay()){
-			try {I2PD_JNI.stopDaemon();}catch(Throwable tr){Log.e(TAG, "", tr);}
+		if (isStartedOkay()) {
+			try {
+				I2PD_JNI.stopDaemon();
+			} catch(Throwable tr) {
+				Log.e(TAG, "", tr);
+			}
+
 			setStartedOkay(false);
 			setState(State.stopped);
 		}
diff --git a/android/src/org/purplei2p/i2pd/I2PDActivity.java b/android/src/org/purplei2p/i2pd/I2PDActivity.java
index 258bafe2..5303a4da 100755
--- a/android/src/org/purplei2p/i2pd/I2PDActivity.java
+++ b/android/src/org/purplei2p/i2pd/I2PDActivity.java
@@ -68,42 +68,41 @@ public class I2PDActivity extends Activity {
 
 	private static final DaemonSingleton daemon = DaemonSingleton.getInstance();
 
-	private final DaemonSingleton.StateUpdateListener daemonStateUpdatedListener =
-	new DaemonSingleton.StateUpdateListener() {
+	private final DaemonSingleton.StateUpdateListener daemonStateUpdatedListener = new DaemonSingleton.StateUpdateListener() {
 		@Override
-		public void daemonStateUpdate()
-		{
+		public void daemonStateUpdate() {
 			processAssets();
 			runOnUiThread(() -> {
-                try {
-                    if(textView==null) return;
-                    Throwable tr = daemon.getLastThrowable();
-                    if(tr!=null) {
-                        textView.setText(throwableToString(tr));
-                        return;
-                    }
-                    DaemonSingleton.State state = daemon.getState();
-                    String startResultStr = DaemonSingleton.State.startFailed.equals(state) ? String.format(": %s", daemon.getDaemonStartResult()) : "";
-                    String graceStr = DaemonSingleton.State.gracefulShutdownInProgress.equals(state) ? String.format(": %s %s", formatGraceTimeRemaining(), getText(R.string.remaining)) : "";
-                    textView.setText(String.format("%s%s%s", getText(state.getStatusStringResourceId()), startResultStr, graceStr));
-                } catch (Throwable tr) {
-                    Log.e(TAG,"error ignored",tr);
-                }
-            });
+				try {
+					if (textView==null)
+						return;
+					Throwable tr = daemon.getLastThrowable();
+					if (tr!=null) {
+						textView.setText(throwableToString(tr));
+						return;
+					}
+					DaemonSingleton.State state = daemon.getState();
+					String startResultStr = DaemonSingleton.State.startFailed.equals(state) ? String.format(": %s", daemon.getDaemonStartResult()) : "";
+					String graceStr = DaemonSingleton.State.gracefulShutdownInProgress.equals(state) ? String.format(": %s %s", formatGraceTimeRemaining(), getText(R.string.remaining)) : "";
+					textView.setText(String.format("%s%s%s", getText(state.getStatusStringResourceId()), startResultStr, graceStr));
+				} catch (Throwable tr) {
+					Log.e(TAG,"error ignored",tr);
+				}
+			});
 		}
 	};
 	private static volatile long graceStartedMillis;
-	private static final Object graceStartedMillis_LOCK=new Object();
+	private static final Object graceStartedMillis_LOCK = new Object();
 	private Menu optionsMenu;
 
 	private static String formatGraceTimeRemaining() {
 		long remainingSeconds;
-		synchronized (graceStartedMillis_LOCK){
-			remainingSeconds=Math.round(Math.max(0,graceStartedMillis+GRACEFUL_DELAY_MILLIS-System.currentTimeMillis())/1000.0D);
+		synchronized (graceStartedMillis_LOCK) {
+			remainingSeconds = Math.round(Math.max(0, graceStartedMillis + GRACEFUL_DELAY_MILLIS - System.currentTimeMillis()) / 1000.0D);
 		}
-		long remainingMinutes=(long)Math.floor(remainingSeconds/60.0D);
-		long remSec=remainingSeconds-remainingMinutes*60;
-		return remainingMinutes+":"+(remSec/10)+remSec%10;
+		long remainingMinutes = (long)Math.floor(remainingSeconds / 60.0D);
+		long remSec = remainingSeconds - remainingMinutes * 60;
+		return remainingMinutes + ":" + (remSec / 10) + remSec % 10;
 	}
 
 	@Override
@@ -117,10 +116,8 @@ public class I2PDActivity extends Activity {
 		daemonStateUpdatedListener.daemonStateUpdate();
 
 		 // request permissions
-		if (Build.VERSION.SDK_INT >= 23)
-		{
-			if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) 
-			{
+		if (Build.VERSION.SDK_INT >= 23) {
+			if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 				ActivityCompat.requestPermissions(this,
 					new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
 					MY_PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE);
@@ -131,7 +128,7 @@ public class I2PDActivity extends Activity {
 		doBindService();
 
 		final Timer gracefulQuitTimer = getGracefulQuitTimer();
-		if(gracefulQuitTimer!=null){
+		if (gracefulQuitTimer!=null) {
 			long gracefulStopAtMillis;
 			synchronized (graceStartedMillis_LOCK) {
 				gracefulStopAtMillis = graceStartedMillis + GRACEFUL_DELAY_MILLIS;
@@ -148,9 +145,9 @@ public class I2PDActivity extends Activity {
 		textView = null;
 		daemon.removeStateChangeListener(daemonStateUpdatedListener);
 		//cancelGracefulStop0();
-		try{
+		try {
 			doUnbindService();
-			}catch(Throwable tr){
+		} catch(Throwable tr) {
 			Log.e(TAG, "", tr);
 		}
 	}
@@ -158,20 +155,20 @@ public class I2PDActivity extends Activity {
 	@Override
 	public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults)
 	{
-        if (requestCode == MY_PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE) {
-            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
-                Log.e(TAG, "WR_EXT_STORAGE perm granted");
-            else {
-                Log.e(TAG, "WR_EXT_STORAGE perm declined, stopping i2pd");
-                i2pdStop();
-                //TODO must work w/o this perm, ask orignal
-            }
-        }
+		if (requestCode == MY_PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE) {
+			if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
+				Log.e(TAG, "WR_EXT_STORAGE perm granted");
+			else {
+				Log.e(TAG, "WR_EXT_STORAGE perm declined, stopping i2pd");
+				i2pdStop();
+				//TODO must work w/o this perm, ask orignal
+			}
+		}
 	}
 
 	private void cancelGracefulStop0() {
 		Timer gracefulQuitTimer = getGracefulQuitTimer();
-		if(gracefulQuitTimer!=null) {
+		if (gracefulQuitTimer != null) {
 			gracefulQuitTimer.cancel();
 			setGracefulQuitTimer(null);
 		}
@@ -216,7 +213,8 @@ public class I2PDActivity extends Activity {
 
 	private void doBindService() {
 		synchronized (I2PDActivity.class) {
-			if (mIsBound) return;
+			if (mIsBound)
+				return;
 			// Establish a connection with the service.  We use an explicit
 			// class name because we want a specific service implementation that
 			// we know will be running in our own process (and thus won't be
@@ -256,10 +254,11 @@ public class I2PDActivity extends Activity {
 		// as you specify a parent activity in AndroidManifest.xml.
 		int id = item.getItemId();
 
-		switch(id){
+		switch(id) {
 			case R.id.action_stop:
-			i2pdStop();
-			return true;
+				i2pdStop();
+				return true;
+
 			case R.id.action_graceful_stop:
 				synchronized (graceStartedMillis_LOCK) {
 					if (getGracefulQuitTimer() != null)
@@ -268,9 +267,15 @@ public class I2PDActivity extends Activity {
 						i2pdGracefulStop();
 				}
 				return true;
+
 			case R.id.action_battery_otimizations:
 				onActionBatteryOptimizations();
 				return true;
+
+			case R.id.action_reload_tunnels_config:
+				onReloadTunnelsConfig();
+				return true;
+
 			case R.id.action_start_webview:
 				setContentView(R.layout.webview);
 				this.webView = (WebView) findViewById(R.id.webview1);
@@ -291,100 +296,100 @@ public class I2PDActivity extends Activity {
 			try {
 				startActivity(new Intent(ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS));
 			} catch (ActivityNotFoundException e) {
-				Log.e(TAG,"BATT_OPTIM_DIALOG_ActvtNotFound", e);
+				Log.e(TAG, "BATT_OPTIM_DIALOG_ActvtNotFound", e);
 				Toast.makeText(this, R.string.os_version_does_not_support_battery_optimizations_show_os_dialog_api, Toast.LENGTH_SHORT).show();
 			}
 		}
 	}
 
+	private void onReloadTunnelsConfig() {
+		Log.d(TAG, "reloading tunnels");
+		daemon.reloadTunnelsConfigs();
+		Toast.makeText(this, R.string.tunnels_reloading, Toast.LENGTH_SHORT).show();
+	}
+
 	private void i2pdStop() {
 		cancelGracefulStop0();
 		new Thread(() -> {
-            Log.d(TAG, "stopping");
-            try {
-                daemon.stopDaemon();
-            } catch (Throwable tr) {
-                Log.e(TAG, "", tr);
-            }
-            quit(); //TODO make menu items for starting i2pd. On my Android, I need to reboot the OS to restart i2pd.
-        },"stop").start();
+			Log.d(TAG, "stopping");
+			try {
+				daemon.stopDaemon();
+			} catch (Throwable tr) {
+				Log.e(TAG, "", tr);
+			}
+			quit(); //TODO make menu items for starting i2pd. On my Android, I need to reboot the OS to restart i2pd.
+		}, "stop").start();
 	}
 
 	private static volatile Timer gracefulQuitTimer;
 
 	private void i2pdGracefulStop() {
-		if(daemon.getState()==DaemonSingleton.State.stopped){
-			Toast.makeText(this, R.string.already_stopped,
-			Toast.LENGTH_SHORT).show();
+		if (daemon.getState() == DaemonSingleton.State.stopped) {
+			Toast.makeText(this, R.string.already_stopped, Toast.LENGTH_SHORT).show();
 			return;
 		}
-		if(getGracefulQuitTimer()!=null){
-			Toast.makeText(this, R.string.graceful_stop_is_already_in_progress,
-			Toast.LENGTH_SHORT).show();
+		if (getGracefulQuitTimer() != null) {
+			Toast.makeText(this, R.string.graceful_stop_is_already_in_progress, Toast.LENGTH_SHORT).show();
 			return;
 		}
-		Toast.makeText(this, R.string.graceful_stop_is_in_progress,
-		Toast.LENGTH_SHORT).show();
+		Toast.makeText(this, R.string.graceful_stop_is_in_progress, Toast.LENGTH_SHORT).show();
 		new Thread(() -> {
-            try {
-                Log.d(TAG, "grac stopping");
-                if(daemon.isStartedOkay()) {
-                    daemon.stopAcceptingTunnels();
-                    long gracefulStopAtMillis;
-                    synchronized (graceStartedMillis_LOCK) {
-                        graceStartedMillis = System.currentTimeMillis();
-                        gracefulStopAtMillis = graceStartedMillis + GRACEFUL_DELAY_MILLIS;
-                    }
-                    rescheduleGraceStop(null,gracefulStopAtMillis);
-                } else {
-                    i2pdStop();
-                }
-            } catch(Throwable tr) {
-                Log.e(TAG,"",tr);
-            }
-        },"gracInit").start();
+			try {
+				Log.d(TAG, "graceful stopping");
+				if (daemon.isStartedOkay()) {
+					daemon.stopAcceptingTunnels();
+					long gracefulStopAtMillis;
+					synchronized (graceStartedMillis_LOCK) {
+						graceStartedMillis = System.currentTimeMillis();
+						gracefulStopAtMillis = graceStartedMillis + GRACEFUL_DELAY_MILLIS;
+					}
+					rescheduleGraceStop(null, gracefulStopAtMillis);
+				} else
+					i2pdStop();
+			} catch(Throwable tr) {
+				Log.e(TAG, "", tr);
+			}
+		}, "gracInit").start();
 	}
-	
+
 	private void cancelGracefulStop()
 	{
 		cancelGracefulStop0();
 		new Thread(() -> {
-            try
-            {
-                Log.d(TAG, "canceling grac stop");
-                if(daemon.isStartedOkay()) {
+			try {
+				Log.d(TAG, "canceling graceful stop");
+				if (daemon.isStartedOkay()) {
 					daemon.startAcceptingTunnels();
 					runOnUiThread(() -> Toast.makeText(this, R.string.shutdown_canceled, Toast.LENGTH_SHORT).show());
-				}
-                else
-                    i2pdStop();
-            }
-            catch(Throwable tr)
-            {
-                Log.e(TAG,"",tr);
-            }
-        },"gracCancel").start();
+				} else
+					i2pdStop();
+			} catch(Throwable tr) {
+				Log.e(TAG, "", tr);
+			}
+		}, "gracCancel").start();
 	}
 
 	private void rescheduleGraceStop(Timer gracefulQuitTimerOld, long gracefulStopAtMillis) {
-		if(gracefulQuitTimerOld!=null)gracefulQuitTimerOld.cancel();
+		if (gracefulQuitTimerOld != null)
+			gracefulQuitTimerOld.cancel();
+
 		final Timer gracefulQuitTimer = new Timer(true);
 		setGracefulQuitTimer(gracefulQuitTimer);
-		gracefulQuitTimer.schedule(new TimerTask(){
+		gracefulQuitTimer.schedule(new TimerTask() {
 
 			@Override
 			public void run() {
 				i2pdStop();
 			}
 
-		}, Math.max(0,gracefulStopAtMillis-System.currentTimeMillis()));
+		}, Math.max(0, gracefulStopAtMillis - System.currentTimeMillis()));
 		final TimerTask tickerTask = new TimerTask() {
 			@Override
 			public void run() {
 				daemonStateUpdatedListener.daemonStateUpdate();
 			}
 		};
-		gracefulQuitTimer.scheduleAtFixedRate(tickerTask,0/*start delay*/,1000/*millis period*/);
+		gracefulQuitTimer.scheduleAtFixedRate(tickerTask, 0/*start delay*/, 1000/*millis period*/);
 	}
 
 	private static Timer getGracefulQuitTimer() {
@@ -454,9 +459,9 @@ public class I2PDActivity extends Activity {
 	*/
 	private void copyFileAsset(String path) {
 		File file = new File(i2pdpath, path);
-		if(!file.exists()) {
+		if (!file.exists()) {
 			try {
-				try (InputStream in = getAssets().open(path) ) {
+				try (InputStream in = getAssets().open(path)) {
 					try (OutputStream out = new FileOutputStream(file)) {
 						byte[] buffer = new byte[1024];
 						int read = in.read(buffer);
@@ -475,97 +480,102 @@ public class I2PDActivity extends Activity {
 	private void deleteRecursive(File fileOrDirectory) {
 		if (fileOrDirectory.isDirectory()) {
 			File[] files = fileOrDirectory.listFiles();
-			if(files!=null) {
+			if (files!=null) {
 				for (File child : files) {
 					deleteRecursive(child);
 				}
 			}
 		}
 		boolean deleteResult = fileOrDirectory.delete();
-        if(!deleteResult)Log.e(TAG, "fileOrDirectory.delete() returned "+deleteResult+", absolute path='"+fileOrDirectory.getAbsolutePath()+"'");
+		if (!deleteResult)
+			Log.e(TAG, "fileOrDirectory.delete() returned " + deleteResult + ", absolute path='" + fileOrDirectory.getAbsolutePath() + "'");
 	}
 
 	private void processAssets() {
-		if (!assetsCopied) try {
-			assetsCopied = true; // prevent from running on every state update
-
-			File holderFile = new File(i2pdpath, "assets.ready");
-			String versionName = BuildConfig.VERSION_NAME; // here will be app version, like 2.XX.XX
-			StringBuilder text = new StringBuilder();
-
-			if (holderFile.exists()) {
-                try { // if holder file exists, read assets version string
-                    FileReader fileReader = new FileReader(holderFile);
-
-                    try {
-                        BufferedReader br = new BufferedReader(fileReader);
-
-                        try {
-                            String line;
-
-                            while ((line = br.readLine()) != null) {
-                                text.append(line);
-                            }
-                        }finally {
-                            try{
-                                br.close();
-                            } catch (IOException e) {
-                                Log.e(TAG, "", e);
-                            }
-                        }
-                    } finally {
-                        try{
-                            fileReader.close();
-                        } catch (IOException e) {
-                            Log.e(TAG, "", e);
-                        }
-                    }
-                } catch (IOException e) {
-                    Log.e(TAG, "", e);
-                }
-            }
-
-			// if version differs from current app version or null, try to delete certificates folder
-			if (!text.toString().contains(versionName)) try {
-                boolean deleteResult = holderFile.delete();
-                if(!deleteResult)Log.e(TAG, "holderFile.delete() returned "+deleteResult+", absolute path='"+holderFile.getAbsolutePath()+"'");
-				File certPath = new File(i2pdpath, "certificates");
-				deleteRecursive(certPath);
-			}
-			catch (Throwable tr) {
-				Log.e(TAG, "", tr);
-			}
+		if (!assetsCopied) {
+			try {
+				assetsCopied = true; // prevent from running on every state update
+
+				File holderFile = new File(i2pdpath, "assets.ready");
+				String versionName = BuildConfig.VERSION_NAME; // here will be app version, like 2.XX.XX
+				StringBuilder text = new StringBuilder();
+
+				if (holderFile.exists()) {
+					try { // if holder file exists, read assets version string
+						FileReader fileReader = new FileReader(holderFile);
+
+						try {
+							BufferedReader br = new BufferedReader(fileReader);
+
+							try {
+								String line;
+
+								while ((line = br.readLine()) != null) {
+									text.append(line);
+								}
+							}finally {
+								try {
+									br.close();
+								} catch (IOException e) {
+									Log.e(TAG, "", e);
+								}
+							}
+						} finally {
+							try {
+								fileReader.close();
+							} catch (IOException e) {
+								Log.e(TAG, "", e);
+							}
+						}
+					} catch (IOException e) {
+						Log.e(TAG, "", e);
+					}
+				}
 
-			// copy assets. If processed file exists, it won't be overwritten
-			copyAsset("addressbook");
-			copyAsset("certificates");
-			copyAsset("tunnels.d");
-			copyAsset("i2pd.conf");
-			copyAsset("subscriptions.txt");
-			copyAsset("tunnels.conf");
+				// if version differs from current app version or null, try to delete certificates folder
+				if (!text.toString().contains(versionName))
+					try {
+						boolean deleteResult = holderFile.delete();
+						if (!deleteResult)
+							Log.e(TAG, "holderFile.delete() returned " + deleteResult + ", absolute path='" + holderFile.getAbsolutePath() + "'");
+						File certPath = new File(i2pdpath, "certificates");
+						deleteRecursive(certPath);
+					}
+					catch (Throwable tr) {
+						Log.e(TAG, "", tr);
+					}
 
-			// update holder file about successful copying
-			FileWriter writer = new FileWriter(holderFile);
-			try {
-                writer.append(versionName);
-            } finally {
-			    try{
-                    writer.close();
-                }catch (IOException e){
-                    Log.e(TAG,"on writer close", e);
-                }
-            }
-		}
-		catch (Throwable tr)
-		{
-			Log.e(TAG,"on assets copying", tr);
+				// copy assets. If processed file exists, it won't be overwritten
+				copyAsset("addressbook");
+				copyAsset("certificates");
+				copyAsset("tunnels.d");
+				copyAsset("i2pd.conf");
+				copyAsset("subscriptions.txt");
+				copyAsset("tunnels.conf");
+
+				// update holder file about successful copying
+				FileWriter writer = new FileWriter(holderFile);
+				try {
+					writer.append(versionName);
+				} finally {
+					try {
+						writer.close();
+					} catch (IOException e) {
+						Log.e(TAG,"on writer close", e);
+					}
+				}
+			}
+			catch (Throwable tr)
+			{
+				Log.e(TAG,"on assets copying", tr);
+			}
 		}
 	}
 
 	@SuppressLint("BatteryLife")
 	private void openBatteryOptimizationDialogIfNeeded() {
 		boolean questionEnabled = getPreferences().getBoolean(getBatteryOptimizationPreferenceKey(), true);
-		Log.i(TAG,"BATT_OPTIM_questionEnabled=="+questionEnabled);
+		Log.i(TAG, "BATT_OPTIM_questionEnabled==" + questionEnabled);
 		if (!isKnownIgnoringBatteryOptimizations()
 				&& android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M
 				&& questionEnabled) {
@@ -576,7 +586,7 @@ public class I2PDActivity extends Activity {
 				try {
 					startActivity(new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS, Uri.parse(PACKAGE_URI_SCHEME + getPackageName())));
 				} catch (ActivityNotFoundException e) {
-					Log.e(TAG,"BATT_OPTIM_ActvtNotFound", e);
+					Log.e(TAG, "BATT_OPTIM_ActvtNotFound", e);
 					Toast.makeText(this, R.string.device_does_not_support_disabling_battery_optimizations, Toast.LENGTH_SHORT).show();
 				}
 			});
@@ -595,14 +605,14 @@ public class I2PDActivity extends Activity {
 		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 			final PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
 			if (pm == null) {
-			    Log.i(TAG, "BATT_OPTIM: POWER_SERVICE==null");
-			    return false;
-            }
-            boolean ignoring = pm.isIgnoringBatteryOptimizations(getPackageName());
-            Log.i(TAG, "BATT_OPTIM: ignoring==" + ignoring);
-            return ignoring;
+				Log.i(TAG, "BATT_OPTIM: POWER_SERVICE==null");
+				return false;
+			}
+			boolean ignoring = pm.isIgnoringBatteryOptimizations(getPackageName());
+			Log.i(TAG, "BATT_OPTIM: ignoring==" + ignoring);
+			return ignoring;
 		} else {
-            Log.i(TAG, "BATT_OPTIM: old sdk version=="+Build.VERSION.SDK_INT);
+			Log.i(TAG, "BATT_OPTIM: old sdk version==" + Build.VERSION.SDK_INT);
 			return false;
 		}
 	}
@@ -626,12 +636,12 @@ public class I2PDActivity extends Activity {
 				//moveTaskToBack(true);
 				finish();
 			}
-		}catch (Throwable tr) {
+		} catch (Throwable tr) {
 			Log.e(TAG, "", tr);
 		}
-		try{
+		try {
 			daemon.stopDaemon();
-		}catch (Throwable tr) {
+		} catch (Throwable tr) {
 			Log.e(TAG, "", tr);
 		}
 		System.exit(0);
diff --git a/android/src/org/purplei2p/i2pd/I2PD_JNI.java b/android/src/org/purplei2p/i2pd/I2PD_JNI.java
index 31a8a4eb..deb7d6b9 100644
--- a/android/src/org/purplei2p/i2pd/I2PD_JNI.java
+++ b/android/src/org/purplei2p/i2pd/I2PD_JNI.java
@@ -16,6 +16,8 @@ public class I2PD_JNI {
 
 	public static native void startAcceptingTunnels();
 
+	public static native void reloadTunnelsConfigs();
+
 	public static native void onNetworkStateChanged(boolean isConnected);
 
 	public static native void setDataDir(String jdataDir);