diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 2996d53..674414f 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,13 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <compositeConfiguration>
-          <compositeBuild compositeDefinitionSource="SCRIPT" />
-        </compositeConfiguration>
+        <option name="delegatedBuild" value="false" />
+        <option name="testRunner" value="PLATFORM" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
         <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..a5f05cd
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 6e0318f..1a31439 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,13 +2,13 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 29
-    buildToolsVersion "29.0.0"
+    buildToolsVersion "29.0.2"
     defaultConfig {
         applicationId "com.blogspot.developersu.ns_usbloader"
         minSdkVersion 15
         targetSdkVersion 29
-        versionCode 2
-        versionName "0.2"
+        versionCode 3
+        versionName "1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         android.defaultConfig.vectorDrawables.useSupportLibrary = true
     }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c8d8912..aaba7f9 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -18,6 +18,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
+        android:resizeableActivity="true"
+        android:supportsPictureInPicture="true"
         tools:ignore="GoogleAppIndexingWarning">  <!-- <- IDK WTF, RTFM MB -->
         <activity
             android:name=".SettingsActivity"
@@ -66,21 +68,12 @@
             android:name=".NsBroadcastReceiver"
             android:exported="true">
             <intent-filter>
-                <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
-                <action android:name="android.hardware.usb.action.USB_DEVICE_DETACHED" />
                 <action android:name="com.blogspot.developersu.ns_usbloader.SERVICE_TRANSFER_TASK_FINISHED" />
                 <!--
                 <action android:name="com.blogspot.developersu.ns_usbloader.ACTION_USB_PERMISSION" />
                 <action android:name="com.blogspot.developersu.ns_usbloader.RISE_NOTIFICATION_OR_ACTIVITY" /> to handle if not handled by internally-registered receiver of MainActivity
                 -->
             </intent-filter>
-
-            <meta-data
-                android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
-                android:resource="@xml/device_filter" />
-            <meta-data
-                android:name="android.hardware.usb.action.USB_DEVICE_DETACHED"
-                android:resource="@xml/device_filter" />
         </receiver>
 
         <service android:name=".service.CommunicationsService"
diff --git a/app/src/main/java/com/blogspot/developersu/ns_usbloader/MainActivity.java b/app/src/main/java/com/blogspot/developersu/ns_usbloader/MainActivity.java
index cd63704..f640ae5 100644
--- a/app/src/main/java/com/blogspot/developersu/ns_usbloader/MainActivity.java
+++ b/app/src/main/java/com/blogspot/developersu/ns_usbloader/MainActivity.java
@@ -4,7 +4,9 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.ActionBarDrawerToggle;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatDelegate;
 import androidx.appcompat.widget.Toolbar;
+import androidx.core.content.ContextCompat;
 import androidx.core.view.GravityCompat;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.recyclerview.widget.ItemTouchHelper;
@@ -54,14 +56,18 @@ public class MainActivity extends AppCompatActivity implements NsResultReciever.
     private UsbDevice usbDevice;
     private boolean isUsbDeviceAccessible;
 
-    private Button selectBtn;
-    private Button uploadToNsBtn;
+    private Button selectBtn,
+            uploadToNsBtn;
     private ProgressBar progressBarMain;
 
     private NavigationView drawerNavView;
 
     private NsResultReciever nsResultReciever;
 
+    static {
+        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
+    }
+
     @Override
     protected void onSaveInstanceState(@NonNull Bundle outState) {
         super.onSaveInstanceState(outState);
@@ -88,7 +94,6 @@ public class MainActivity extends AppCompatActivity implements NsResultReciever.
         registerReceiver(innerBroadcastReceiver, intentFilter);
         nsResultReciever.setReceiver(this);
         blockUI(CommunicationsService.isServiceActive());
-
     }
 
     @Override
@@ -201,6 +206,7 @@ public class MainActivity extends AppCompatActivity implements NsResultReciever.
         else {
             mDataset = new ArrayList<>();
             usbDevice = getIntent().getParcelableExtra(UsbManager.EXTRA_DEVICE);    // If it's started initially, then check if it's started from notification.
+            //Log.i("LPR", "DEVICE " +usbDevice);
             if (usbDevice != null){
                 UsbManager usbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
                 // If somehow we can't get system service
@@ -419,7 +425,7 @@ public class MainActivity extends AppCompatActivity implements NsResultReciever.
         if (shouldBlock) {
             selectBtn.setEnabled(false);
             recyclerView.suppressLayout(true);
-            uploadToNsBtn.setCompoundDrawablesWithIntrinsicBounds(null, getResources().getDrawable(R.drawable.ic_cancel), null, null);
+            uploadToNsBtn.setCompoundDrawablesWithIntrinsicBounds(null, ContextCompat.getDrawable(this, R.drawable.ic_cancel), null, null);
             uploadToNsBtn.setText(R.string.interrupt_btn);
             uploadToNsBtn.setOnClickListener(e -> stopService(new Intent(this, CommunicationsService.class)));
             progressBarMain.setVisibility(ProgressBar.VISIBLE);
@@ -429,7 +435,7 @@ public class MainActivity extends AppCompatActivity implements NsResultReciever.
         }
         selectBtn.setEnabled(true);
         recyclerView.suppressLayout(false);
-        uploadToNsBtn.setCompoundDrawablesWithIntrinsicBounds(null, getResources().getDrawable(R.drawable.ic_upload_btn), null, null);
+        uploadToNsBtn.setCompoundDrawablesWithIntrinsicBounds(null, ContextCompat.getDrawable(this, R.drawable.ic_upload_btn), null, null);
         uploadToNsBtn.setText(R.string.upload_btn);
         uploadToNsBtn.setOnClickListener(e -> this.uploadFiles() );
         progressBarMain.setVisibility(ProgressBar.INVISIBLE);
diff --git a/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsBroadcastReceiver.java b/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsBroadcastReceiver.java
index 25ae92c..29a9962 100644
--- a/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsBroadcastReceiver.java
+++ b/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsBroadcastReceiver.java
@@ -1,74 +1,24 @@
 package com.blogspot.developersu.ns_usbloader;
 
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
-import android.hardware.usb.UsbDevice;
-import android.hardware.usb.UsbManager;
-import android.os.Build;
 import android.widget.Toast;
 
-import androidx.core.app.NotificationCompat;
-import androidx.core.app.NotificationManagerCompat;
-
 public class NsBroadcastReceiver extends BroadcastReceiver {
 
     @Override
     public synchronized void onReceive(Context context, Intent intent) {
         if (intent.getAction() == null)
             return;
-        switch (intent.getAction()) {
-            case UsbManager.ACTION_USB_DEVICE_ATTACHED: {
-                showNotification(context, intent.getParcelableExtra(UsbManager.EXTRA_DEVICE));
-                break;
+        if (intent.getAction().equals(NsConstants.SERVICE_TRANSFER_TASK_FINISHED_INTENT)){
+            String issues = intent.getStringExtra("ISSUES");
+            if (issues != null) {
+                Toast.makeText(context, context.getString(R.string.transfers_service_stopped) + " " + issues, Toast.LENGTH_LONG).show();
+                return;
             }
-            case UsbManager.ACTION_USB_DEVICE_DETACHED: {
-                hideNotification(context);
-                break;
-            }
-            case NsConstants.SERVICE_TRANSFER_TASK_FINISHED_INTENT:
-                String issues = intent.getStringExtra("ISSUES");
-                if (issues != null) {
-                    Toast.makeText(context, context.getString(R.string.transfers_service_stopped) + " " + issues, Toast.LENGTH_LONG).show();
-                    break;
-                }
-                Toast.makeText(context, context.getString(R.string.transfers_service_stopped), Toast.LENGTH_SHORT).show();
-                break;
+            Toast.makeText(context, context.getString(R.string.transfers_service_stopped), Toast.LENGTH_SHORT).show();
         }
     }
-
-    private void showNotification(Context context, UsbDevice usbDevice){
-        NotificationCompat.Builder notification = new NotificationCompat.Builder(context, NsConstants.NOTIFICATION_NS_CONNECTED_CHAN_ID);
-        notification.setSmallIcon(R.drawable.ic_notification)
-                .setContentTitle(context.getString(R.string.ns_connected_info))
-                //.setAutoCancel(true)
-                .setOngoing(true)       // Prevent swipe-notification-to-remove
-                .setPriority(NotificationCompat.PRIORITY_DEFAULT)
-                .setContentIntent(PendingIntent.getActivity(context, 0, new Intent(context, MainActivity.class).putExtra(UsbManager.EXTRA_DEVICE, usbDevice), 0));
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            CharSequence notificationChanName = context.getString(R.string.notification_chan_name_usb);
-            String notificationChanDesc = context.getString(R.string.notification_chan_desc_usb);
-
-            NotificationChannel channel = new NotificationChannel(
-                    NsConstants.NOTIFICATION_NS_CONNECTED_CHAN_ID,
-                    notificationChanName,
-                    NotificationManager.IMPORTANCE_DEFAULT);
-            channel.setDescription(notificationChanDesc);
-            // Register the channel with the system; you can't change the importance
-            // or other notification behaviors after this
-            NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
-            notificationManager.createNotificationChannel(channel);
-            notificationManager.notify(NsConstants.NOTIFICATION_NS_CONNECTED_ID, notification.build());
-        }
-        else {
-            NotificationManagerCompat.from(context).notify(NsConstants.NOTIFICATION_NS_CONNECTED_ID, notification.build());
-        }
-    }
-
-    private void hideNotification(Context context){
-        NotificationManagerCompat.from(context).cancel(NsConstants.NOTIFICATION_NS_CONNECTED_ID);
-    }
+    // .setContentIntent(PendingIntent.getActivity(context, 0, new Intent(context, MainActivity.class).putExtra(UsbManager.EXTRA_DEVICE, usbDevice), 0));
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsConstants.java b/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsConstants.java
index 642fe30..55c2d7b 100644
--- a/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsConstants.java
+++ b/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsConstants.java
@@ -23,7 +23,4 @@ public class NsConstants {
 
     public static final String NOTIFICATION_FOREGROUND_SERVICE_CHAN_ID = "com.blogspot.developersu.ns_usbloader.CHAN_ID_FOREGROUND_SERVICE";
     public static final int NOTIFICATION_TRANSFER_ID = 1;
-
-    public static final String NOTIFICATION_NS_CONNECTED_CHAN_ID = "com.blogspot.developersu.ns_usbloader.CHAN_ID_NS_CONNECTED";
-    public static final int NOTIFICATION_NS_CONNECTED_ID = 2;
 }
diff --git a/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsNotificationPopUp.java b/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsNotificationPopUp.java
index 613c6b2..ef6eb25 100644
--- a/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsNotificationPopUp.java
+++ b/app/src/main/java/com/blogspot/developersu/ns_usbloader/NsNotificationPopUp.java
@@ -5,9 +5,9 @@ import android.content.Context;
 import android.content.DialogInterface;
 
 public class NsNotificationPopUp {
-    public static void getAlertWindow(Context context, String titile, String message){
+    public static void getAlertWindow(Context context, String title, String message){
         AlertDialog.Builder builder = new AlertDialog.Builder(context);
-        builder.setTitle(titile)
+        builder.setTitle(title)
                 .setMessage(message)
                 .setCancelable(false)
                 .setPositiveButton("OK", new DialogInterface.OnClickListener() {
diff --git a/app/src/main/java/com/blogspot/developersu/ns_usbloader/view/NspItemsAdapter.java b/app/src/main/java/com/blogspot/developersu/ns_usbloader/view/NspItemsAdapter.java
index 6e0e493..b1f76bd 100644
--- a/app/src/main/java/com/blogspot/developersu/ns_usbloader/view/NspItemsAdapter.java
+++ b/app/src/main/java/com/blogspot/developersu/ns_usbloader/view/NspItemsAdapter.java
@@ -13,6 +13,7 @@ import com.blogspot.developersu.ns_usbloader.R;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Locale;
 
 public class NspItemsAdapter extends RecyclerView.Adapter<NspItemsAdapter.NspViewHolder> {
     private ArrayList<NSPElement> mDataset;
@@ -44,11 +45,11 @@ public class NspItemsAdapter extends RecyclerView.Adapter<NspItemsAdapter.NspVie
 
         private String getCuteSize(long byteSize){
             if (byteSize/1024.0/1024.0/1024.0 > 1)
-                return String.format("%.2f", byteSize/1024.0/1024.0/1024.0)+" GB";
+                return String.format(Locale.getDefault(), "%.2f", byteSize/1024.0/1024.0/1024.0)+" GB";
             else if (byteSize/1024.0/1024.0 > 1)
-                return String.format("%.2f", byteSize/1024.0/1024.0)+" MB";
+                return String.format(Locale.getDefault(), "%.2f", byteSize/1024.0/1024.0)+" MB";
             else
-                return String.format("%.2f", byteSize/1024.0)+" kB";
+                return String.format(Locale.getDefault(), "%.2f", byteSize/1024.0)+" kB";
         }
 
         public NSPElement getData(){
diff --git a/app/src/main/res/drawable/ic_file_select_file.xml b/app/src/main/res/drawable/ic_select_file.xml
similarity index 100%
rename from app/src/main/res/drawable/ic_file_select_file.xml
rename to app/src/main/res/drawable/ic_select_file.xml
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 081341f..8aa408f 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -22,8 +22,4 @@
         app:headerLayout="@layout/nav_header_main"
         app:menu="@menu/activity_main_drawer"
         />
-
-    <!--
-
-    -->
 </androidx.drawerlayout.widget.DrawerLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/content_main.xml b/app/src/main/res/layout/content_main.xml
index 13076d8..042ef7a 100644
--- a/app/src/main/res/layout/content_main.xml
+++ b/app/src/main/res/layout/content_main.xml
@@ -45,7 +45,7 @@
         android:layout_marginEnd="4dp"
         android:layout_marginRight="4dp"
         android:layout_marginBottom="8dp"
-        android:drawableTop="@drawable/ic_file_select_file"
+        app:drawableTopCompat="@drawable/ic_select_file"
         android:text="@string/select_file_btn"
         android:theme="@style/ControlButton"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -61,7 +61,7 @@
         android:layout_marginEnd="8dp"
         android:layout_marginRight="8dp"
         android:layout_marginBottom="8dp"
-        android:drawableTop="@drawable/ic_upload_btn"
+        app:drawableTopCompat="@drawable/ic_upload_btn"
         android:text="@string/upload_btn"
         android:theme="@style/ControlButton"
         app:layout_constraintBottom_toBottomOf="parent"
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index c606cb7..831d56a 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -4,7 +4,7 @@
     <string name="popup_non_supported_format">Тип файла не поддерживается</string>
     <string name="popup_error">Ошибка</string>
     <string name="upload_btn">Отправить в NS</string>
-    <string name="install_file_explorer">Не установлено ни одного файлового менеджера.\n Пожалуйста установите один. Например Total Commander.</string>
+    <string name="install_file_explorer">Не установлено ни одного файлового менеджера.\nПожалуйста установите один. Например Total Commander.</string>
     <string name="ns_connected_info">NS подключён</string>
     <string name="notification_chan_name_usb">Устройство подключено</string>
     <string name="notification_chan_desc_usb">Уведомление повяляется когда пользователь подключает NS к устройству</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
new file mode 100644
index 0000000..5789e46
--- /dev/null
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name" translatable="false">NS-USBloader</string>
+    <string name="select_file_btn">選擇檔案</string>
+    <string name="popup_non_supported_format">所選的檔案格式尚未支援</string>
+    <string name="popup_error">錯誤</string>
+    <string name="upload_btn">上傳至NS</string>
+    <string name="install_file_explorer">裝置沒有安裝檔案管理器.\\n 請至PLAY商店內安裝檔案管理器. 例如:Total Commander</string>
+    <string name="ns_connected_info">NS已連接</string>
+    <string name="notification_chan_name_usb">已連線的裝置</string>
+    <string name="notification_chan_desc_usb">當使用者將行動裝置與NS連線時進行系統通知</string>
+    <string name="ns_not_found_in_connected">在已連線的裝置內沒有找到NS.</string>
+    <string name="transfer_protocol">通訊協定</string>
+    <string name="transfer_transport">傳輸層</string>
+    <string name="nothing_selected_message">尚未選取任何項目</string>
+    <string name="transfers_service_stopped">資料傳輸程序已被中斷.</string>
+    <string name="interrupt_btn">中斷</string>
+    <string name="navigation_drawer_open">開啟側邊選單</string>
+    <string name="navigation_drawer_close">關閉側邊選單</string>
+    <string name="tf_usb" translatable="false">TinFoil USB</string>
+    <string name="gl" translatable="false">GoldLeaf v0.5</string>
+    <string name="tf_net" translatable="false">TinFoil NET</string>
+    <string name="about_app">關於此程式</string>
+    <string name="other">其他</string>
+    <string name="one_item_for_gl_notification">透過GoldLeaf v0.5連線時僅可單獨選取一個檔案來進行傳輸</string>
+    <string name="no_protocol_selected_message">尚未選擇通訊協定</string>
+    <string name="title_activity_about">程式相關說明</string>
+    <string name="about_line_1" translatable="false">NS-USBloader mobile</string>
+    <string name="about_line_2">本程式<a href="https://www.gnu.org/licenses/gpl-3.0.html">依據GNU公共授權條款GPLv3(或更新版本)</a>開發.</string>
+    <string name="about_line_3">程式開發: Dmitry Isaenko.</string>
+    <string name="about_line_4">程式首頁: <a href="https://github.com/developersu/ns-usbloader-mobile">https://github.com/developersu/ns-usbloader-mobile</a></string>
+    <string name="about_line_5">翻譯人員: 會在程式首頁內提供本程式介面在地化翻譯的人員名單.</string>
+    <string name="about_line_6">如果本程式對你有助益,請在程式的GitHub頁面上按星號加分,也歡迎贊助我們(金額隨意) <a href="https://www.paypal.me/developersu">paypal.me/developersu</a>, <a href="https://money.yandex.ru/to/410014301951665">Yandex.Money</a>. More information on home page.</string>
+    <string name="popup_incorrect_file">檔案錯誤</string>
+    <string name="status_failed_to_upload">(上傳失敗)</string>
+    <string name="status_wrong_file">(NSP壞檔)</string>
+    <string name="status_uploaded">(已上傳)</string>
+    <string name="status_unkown" translatable="false">(?)</string>
+    <string name="settings">設定</string>
+    <string name="title_activity_settings">設定</string>
+    <string name="settings_nsIp" translatable="false">NS IP</string>
+    <string name="settings_phone_ip">手機 IP</string>
+    <string name="settings_phone_port">手機連接埠</string>
+    <string name="settings_autodtct_phn_ip">自動偵測手機 IP</string>
+    <string name="unknown_protocol_error">已選取未知的通訊協定 (?)</string>
+    <string name="notification_transfer_in_progress">正在進行資料傳輸</string>
+    <string name="notification_chan_name_progress">正在進行傳輸</string>
+    <string name="notification_chan_desc_progress">在通知欄顯示傳輸檔案進度</string>
+</resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b0195ca..4804573 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -4,7 +4,7 @@
     <string name="popup_non_supported_format">File type not supported</string>
     <string name="popup_error">Error</string>
     <string name="upload_btn">Upload to NS</string>
-    <string name="install_file_explorer">No file explorer installed.\\n Please install one. For example Total Commander.</string>
+    <string name="install_file_explorer">No file explorer installed.\nPlease install one. For example Total Commander.</string>
     <string name="ns_connected_info">NS Connected</string>
     <string name="notification_chan_name_usb">Device connected</string>
     <string name="notification_chan_desc_usb">Notification appears when user connects NS to device</string>
diff --git a/build.gradle b/build.gradle
index a5bb815..95a3996 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath 'com.android.tools.build:gradle:4.0.1'
         
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index faf7e36..a3add93 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Mar 23 02:19:51 MSK 2020
+#Mon Aug 03 11:11:52 MSK 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip