diff --git a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/IntroActivity.java b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/IntroActivity.java
index e10480f1..85a085bb 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/IntroActivity.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/IntroActivity.java
@@ -35,4 +35,9 @@ public class IntroActivity extends AppIntro {
         }
         return true;
     }
+
+    @Override
+    public void onBackPressed() {
+        previous();
+    }
 }
diff --git a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/MainActivity.java b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/MainActivity.java
index d4afc5d7..a76805dc 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/MainActivity.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/MainActivity.java
@@ -74,6 +74,7 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
         implements KabViewsDisableAble, CabHolder, DrawerLayout.DrawerListener {
 
     public static final String TAG = MainActivity.class.getSimpleName();
+    public static final int APP_INTRO_REQUEST = 100;
 
     @Bind(R.id.toolbar)
     Toolbar toolbar;
@@ -118,14 +119,26 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
         checkChangelog();
 
         PreferenceUtil.getInstance(this).incrementAppOpenCount();
-        if (PreferenceUtil.getInstance(MainActivity.this).getAppOpenCount() == 1) {
+        if (PreferenceUtil.getInstance(this).getAppOpenCount() == 1) {
+            // let the app intro handle getting the permissions first
             introActivityHandlingPermissions = true;
-            new Thread(new Runnable() {
+            new Handler().postDelayed(new Runnable() {
                 @Override
                 public void run() {
-                    startActivity(new Intent(MainActivity.this, IntroActivity.class));
+                    startActivityForResult(new Intent(MainActivity.this, IntroActivity.class), APP_INTRO_REQUEST);
                 }
-            }).start();
+            }, 200);
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == APP_INTRO_REQUEST) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                // app intro is done, recreate to refresh permissions
+                onPermissionsChanged();
+            }
         }
     }
 
@@ -343,7 +356,7 @@ public class MainActivity extends AbsSlidingMusicPanelActivity
             menu.add(0, R.id.action_new_playlist, 0, R.string.new_playlist_title);
         }
         Fragment currentFragment = getCurrentFragment();
-        if (currentFragment instanceof AbsMainActivityRecyclerViewCustomGridSizeFragment) {
+        if (currentFragment instanceof AbsMainActivityRecyclerViewCustomGridSizeFragment && currentFragment.isAdded()) {
             AbsMainActivityRecyclerViewCustomGridSizeFragment absMainActivityRecyclerViewCustomGridSizeFragment = (AbsMainActivityRecyclerViewCustomGridSizeFragment) currentFragment;
 
             MenuItem gridSizeItem = menu.findItem(R.id.action_grid_size);
diff --git a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/base/AbsBaseActivity.java b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/base/AbsBaseActivity.java
index f640eb6a..3f7d307d 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/base/AbsBaseActivity.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/base/AbsBaseActivity.java
@@ -25,6 +25,9 @@ public abstract class AbsBaseActivity extends AbsThemeActivity implements KabVie
 
     private boolean createdWithPermissionsGranted;
     private String[] permissions;
+    private String permissionDeniedMessage;
+
+    private Snackbar goToPermissionsSnackbar;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -33,6 +36,16 @@ public abstract class AbsBaseActivity extends AbsThemeActivity implements KabVie
 
         permissions = getPermissionsToRequest();
         createdWithPermissionsGranted = hasPermissions();
+
+        setPermissionDeniedMessage(null);
+    }
+
+    @Override
+    protected void onPostCreate(@Nullable Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+        if (!hasPermissions()) {
+            requestPermissions();
+        }
     }
 
     @Override
@@ -40,19 +53,27 @@ public abstract class AbsBaseActivity extends AbsThemeActivity implements KabVie
         super.onResume();
         enableViews();
 
-        if (!hasPermissions()) {
-            requestPermissions();
-        } else if (!createdWithPermissionsGranted) {
-            // the handler is necessary to avoid "java.lang.RuntimeException: Performing pause of activity that is not resumed"
-            new Handler().postDelayed(new Runnable() {
-                @Override
-                public void run() {
-                    recreate();
-                }
-            }, 200);
+        if (hasPermissions() != createdWithPermissionsGranted) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                // the handler is necessary to avoid "java.lang.RuntimeException: Performing pause of activity that is not resumed"
+                onPermissionsChanged();
+            }
         }
     }
 
+    protected void onPermissionsChanged() {
+        postRecreate();
+    }
+
+    protected void postRecreate() {
+        new Handler().postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                recreate();
+            }
+        }, 200);
+    }
+
     @Override
     public boolean dispatchKeyEvent(@NonNull KeyEvent event) {
         if (event.getKeyCode() == KeyEvent.KEYCODE_MENU && event.getAction() == KeyEvent.ACTION_UP) {
@@ -96,6 +117,17 @@ public abstract class AbsBaseActivity extends AbsThemeActivity implements KabVie
         return null;
     }
 
+    protected void setPermissionDeniedMessage(String message) {
+        if (message == null) {
+            permissionDeniedMessage = getString(R.string.permissions_denied);
+        } else {
+            permissionDeniedMessage = message;
+        }
+        if (goToPermissionsSnackbar != null) {
+            goToPermissionsSnackbar.setText(permissionDeniedMessage);
+        }
+    }
+
     protected void requestPermissions() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && permissions != null) {
             requestPermissions(permissions, PERMISSION_REQUEST);
@@ -118,16 +150,21 @@ public abstract class AbsBaseActivity extends AbsThemeActivity implements KabVie
         super.onRequestPermissionsResult(requestCode, permissions, grantResults);
         if (requestCode == PERMISSION_REQUEST) {
             for (int grantResult : grantResults) {
-                if (grantResult == PackageManager.PERMISSION_GRANTED) {
-                    recreate();
+                if (grantResult != PackageManager.PERMISSION_GRANTED) {
+                    if (goToPermissionsSnackbar == null) {
+                        goToPermissionsSnackbar = Snackbar.make(getWindow().getDecorView(), permissionDeniedMessage, Snackbar.LENGTH_INDEFINITE)
+                                .setAction(getString(R.string.action_settings), goToPermissionSettingsOnClick)
+                                .setActionTextColor(ThemeSingleton.get().positiveColor);
+                        goToPermissionsSnackbar.show();
+                    }
                     return;
                 }
             }
-            //TODO snack nachricht veralgemeinern
-            Snackbar.make(getWindow().getDecorView(), R.string.permission_to_access_external_storage_denied, Snackbar.LENGTH_INDEFINITE)
-                    .setAction(getString(R.string.action_settings), goToPermissionSettingsOnClick)
-                    .setActionTextColor(ThemeSingleton.get().positiveColor)
-                    .show();
+            if (goToPermissionsSnackbar != null) {
+                goToPermissionsSnackbar.dismiss();
+                goToPermissionsSnackbar = null;
+            }
+            onPermissionsChanged();
         }
     }
 
diff --git a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/base/AbsMusicServiceActivity.java b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/base/AbsMusicServiceActivity.java
index c43d8426..8961503c 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/ui/activities/base/AbsMusicServiceActivity.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/ui/activities/base/AbsMusicServiceActivity.java
@@ -12,6 +12,7 @@ import android.os.IBinder;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
+import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
 import com.kabouzeid.gramophone.interfaces.MusicServiceEventListener;
 import com.kabouzeid.gramophone.service.MusicService;
@@ -36,6 +37,8 @@ public abstract class AbsMusicServiceActivity extends AbsBaseActivity implements
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         serviceToken = MusicPlayerRemote.bindToService(this, this);
+
+        setPermissionDeniedMessage(getString(R.string.permission_external_storage_denied));
     }
 
     @Override
diff --git a/app/src/main/java/com/kabouzeid/gramophone/ui/fragments/player/PlaybackControlsFragment.java b/app/src/main/java/com/kabouzeid/gramophone/ui/fragments/player/PlaybackControlsFragment.java
index fa20292f..7d1e5a00 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/ui/fragments/player/PlaybackControlsFragment.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/ui/fragments/player/PlaybackControlsFragment.java
@@ -171,8 +171,10 @@ public class PlaybackControlsFragment extends Fragment implements MusicServiceEv
         playPauseFab.post(new Runnable() {
             @Override
             public void run() {
-                playPauseFab.setPivotX(playPauseFab.getWidth() / 2);
-                playPauseFab.setPivotY(playPauseFab.getHeight() / 2);
+                if (playPauseFab != null) {
+                    playPauseFab.setPivotX(playPauseFab.getWidth() / 2);
+                    playPauseFab.setPivotY(playPauseFab.getHeight() / 2);
+                }
             }
         });
     }
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index ea146214..626170c6 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -172,7 +172,7 @@
     <string name="special_thanks_to">Besonderes Dankeschön an</string>
     <string name="changelog">Änderungen</string>
     <string name="licenses">Lizenzen</string>
-    <string name="permission_to_access_external_storage_denied">Die Rechte um auf den externen Speicher zuzugreifen wurden verweigert.</string>
+    <string name="permission_external_storage_denied">Die Rechte um auf den externen Speicher zuzugreifen wurden verweigert.</string>
     <string name="back">zurück</string>
     <string name="support_development">Unterstütze die Entwicklung</string>
     <string name="thank_you">Vielen Dank!</string>
diff --git a/app/src/main/res/values-es-rES/strings.xml b/app/src/main/res/values-es-rES/strings.xml
index a78d7fb0..d2343bcf 100644
--- a/app/src/main/res/values-es-rES/strings.xml
+++ b/app/src/main/res/values-es-rES/strings.xml
@@ -172,7 +172,7 @@
     <string name="special_thanks_to">Agradecimientos especiales a</string>
     <string name="changelog">Lista de cambios</string>
     <string name="licenses">Licencias</string>
-    <string name="permission_to_access_external_storage_denied">Permiso para acceder al almacenamiento externo denegado.</string>
+    <string name="permission_external_storage_denied">Permiso para acceder al almacenamiento externo denegado.</string>
     <string name="back">regresar</string>
     <string name="support_development">Apoyar desarrollo</string>
     <string name="thank_you">¡Gracias!</string>
diff --git a/app/src/main/res/values-es-rUS/strings.xml b/app/src/main/res/values-es-rUS/strings.xml
index 792b7b61..fe3ae768 100644
--- a/app/src/main/res/values-es-rUS/strings.xml
+++ b/app/src/main/res/values-es-rUS/strings.xml
@@ -172,7 +172,7 @@
     <string name="special_thanks_to">Agradecimientos especiales a</string>
     <string name="changelog">Lista de cambios</string>
     <string name="licenses">Licencias</string>
-    <string name="permission_to_access_external_storage_denied">Permiso para acceder al almacenamiento externo denegado.</string>
+    <string name="permission_external_storage_denied">Permiso para acceder al almacenamiento externo denegado.</string>
     <string name="back">regresar</string>
     <string name="support_development">Apoyar el desarrollo</string>
     <string name="thank_you">¡Gracias!</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 20e22981..865d5abf 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -172,7 +172,7 @@
     <string name="special_thanks_to">Un grand merci à</string>
     <string name="changelog">Changelog</string>
     <string name="licenses">Licences</string>
-    <string name="permission_to_access_external_storage_denied">Accès au stockage externe refusé.</string>
+    <string name="permission_external_storage_denied">Accès au stockage externe refusé.</string>
     <string name="back">Retour</string>
     <string name="support_development">Faire un don</string>
     <string name="thank_you">Merci !</string>
diff --git a/app/src/main/res/values-hr/strings.xml b/app/src/main/res/values-hr/strings.xml
index 843e550b..aea492d7 100644
--- a/app/src/main/res/values-hr/strings.xml
+++ b/app/src/main/res/values-hr/strings.xml
@@ -171,7 +171,7 @@
     <string name="colored_footers">Obojena podnožja</string>
     <string name="special_thanks_to">Posebna zahvala</string>
     <string name="changelog">Promjene</string>
-    <string name="permission_to_access_external_storage_denied">Dopuštenje za pristup vanjskoj pohrani je odbijeno.</string>
+    <string name="permission_external_storage_denied">Dopuštenje za pristup vanjskoj pohrani je odbijeno.</string>
     <string name="back">natrag</string>
     <string name="support_development">Podržite razvoj</string>
     <string name="thank_you">Hvala vam!</string>
diff --git a/app/src/main/res/values-id/strings.xml b/app/src/main/res/values-id/strings.xml
index 7eab7517..a2554b34 100644
--- a/app/src/main/res/values-id/strings.xml
+++ b/app/src/main/res/values-id/strings.xml
@@ -168,7 +168,7 @@
     <string name="colored_footers">Footer berwarna</string>
     <string name="special_thanks_to">Terima kasih khusus kepada</string>
     <string name="changelog">Log perubahan</string>
-    <string name="permission_to_access_external_storage_denied">"Izin akses memori eksternal ditolak. "</string>
+    <string name="permission_external_storage_denied">"Izin akses memori eksternal ditolak. "</string>
     <string name="back">kembali</string>
     <string name="support_development">Dukung pengembangan</string>
     <string name="thank_you">Terima kasih!</string>
diff --git a/app/src/main/res/values-in/strings.xml b/app/src/main/res/values-in/strings.xml
index 7eab7517..a2554b34 100644
--- a/app/src/main/res/values-in/strings.xml
+++ b/app/src/main/res/values-in/strings.xml
@@ -168,7 +168,7 @@
     <string name="colored_footers">Footer berwarna</string>
     <string name="special_thanks_to">Terima kasih khusus kepada</string>
     <string name="changelog">Log perubahan</string>
-    <string name="permission_to_access_external_storage_denied">"Izin akses memori eksternal ditolak. "</string>
+    <string name="permission_external_storage_denied">"Izin akses memori eksternal ditolak. "</string>
     <string name="back">kembali</string>
     <string name="support_development">Dukung pengembangan</string>
     <string name="thank_you">Terima kasih!</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index ccaca088..54f356c6 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -171,7 +171,7 @@
     <string name="colored_footers">Riquadri colorati</string>
     <string name="special_thanks_to">Ringraziamenti speciali a</string>
     <string name="changelog">Modifiche</string>
-    <string name="permission_to_access_external_storage_denied">Permesso per accedere alla memoria esterna negato.</string>
+    <string name="permission_external_storage_denied">Permesso per accedere alla memoria esterna negato.</string>
     <string name="back">indietro</string>
     <string name="support_development">Supporta lo sviluppo</string>
     <string name="thank_you">Grazie!</string>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 260c0419..adf27b72 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -166,7 +166,7 @@
     <string name="colored_footers">색칠된 앨범 카드</string>
     <string name="special_thanks_to">"특별히 감사드립니다 : "</string>
     <string name="changelog">변경점</string>
-    <string name="permission_to_access_external_storage_denied">외장 메모리 접근 권한이 거부되었습니다.</string>
+    <string name="permission_external_storage_denied">외장 메모리 접근 권한이 거부되었습니다.</string>
     <string name="back">뒤로</string>
     <string name="support_development">개발자 지원하기</string>
     <string name="thank_you">감사합니다!</string>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index 00d64b50..09637d3f 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -168,7 +168,7 @@
     <string name="colored_footers">Gekleurde voetkaders</string>
     <string name="special_thanks_to">Speciale dank aan</string>
     <string name="changelog">Changelog</string>
-    <string name="permission_to_access_external_storage_denied">Toegang tot externe opslag geweigerd.</string>
+    <string name="permission_external_storage_denied">Toegang tot externe opslag geweigerd.</string>
     <string name="back">Terug</string>
     <string name="support_development">Ondersteun ontwikkeling</string>
     <string name="thank_you">Dankjewel!</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index d23228ba..58523a17 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -170,7 +170,7 @@
     <string name="colored_footers">Kolorowe stopki</string>
     <string name="special_thanks_to">Specjalne podziękowania dla</string>
     <string name="changelog">Lista zmian</string>
-    <string name="permission_to_access_external_storage_denied">Pozwolenie na dostęp do pamięci zewnętrznej odrzucone</string>
+    <string name="permission_external_storage_denied">Pozwolenie na dostęp do pamięci zewnętrznej odrzucone</string>
     <string name="back">Wróć</string>
     <string name="support_development">Wspomóż rozwój</string>
     <string name="thank_you">Dziękuję!</string>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 784b2a6b..0d0281cb 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -168,7 +168,7 @@
     <string name="colored_footers">Rodapés coloridos</string>
     <string name="special_thanks_to">Agradecimentos especiais para</string>
     <string name="changelog">Novidades</string>
-    <string name="permission_to_access_external_storage_denied">Permissão para acessar armazenamento externo negado.</string>
+    <string name="permission_external_storage_denied">Permissão para acessar armazenamento externo negado.</string>
     <string name="back">voltar</string>
     <string name="support_development">Apoiar o desenvolvimento</string>
     <string name="thank_you">Obrigado!</string>
diff --git a/app/src/main/res/values-pt-rPT/strings.xml b/app/src/main/res/values-pt-rPT/strings.xml
index 9dfd6bd1..0233dc3f 100644
--- a/app/src/main/res/values-pt-rPT/strings.xml
+++ b/app/src/main/res/values-pt-rPT/strings.xml
@@ -168,7 +168,7 @@
     <string name="colored_footers">Rodapés coloridos</string>
     <string name="special_thanks_to">Agradecimentos especiais a</string>
     <string name="changelog">Changelog</string>
-    <string name="permission_to_access_external_storage_denied">Permissão negada para aceder a armazenamento externo.</string>
+    <string name="permission_external_storage_denied">Permissão negada para aceder a armazenamento externo.</string>
     <string name="back">voltar</string>
     <string name="support_development">Apoiar o desenvolvimento</string>
     <string name="thank_you">Obrigado!</string>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 234c5cb9..7eb75388 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -171,7 +171,7 @@
     <string name="colored_footers">Окрашенные нижние колонтитулы</string>
     <string name="special_thanks_to">Особая благодарность</string>
     <string name="changelog">Список изменений</string>
-    <string name="permission_to_access_external_storage_denied">В разрешении на доступ к внешнему хранилищу отказано.</string>
+    <string name="permission_external_storage_denied">В разрешении на доступ к внешнему хранилищу отказано.</string>
     <string name="back">назад</string>
     <string name="support_development">Поддержать разработку</string>
     <string name="thank_you">Спасибо!</string>
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 01f11d68..d4d04c29 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -171,7 +171,7 @@
     <string name="colored_footers">Renkli alt bilgiler</string>
     <string name="special_thanks_to">Özel teşekkür</string>
     <string name="changelog">Sürüm Notları</string>
-    <string name="permission_to_access_external_storage_denied">Harici depolamaya erişmek için izin verilmedi</string>
+    <string name="permission_external_storage_denied">Harici depolamaya erişmek için izin verilmedi</string>
     <string name="back">geri</string>
     <string name="support_development">Geliştirmeyi destekleyin</string>
     <string name="thank_you">Teşekkürler</string>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index 19b23734..6dbfc8a2 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -168,7 +168,7 @@
     <string name="colored_footers">Фарбовані колонтитули</string>
     <string name="special_thanks_to">Особлива подяка</string>
     <string name="changelog">Список змін</string>
-    <string name="permission_to_access_external_storage_denied">У дозволі на доступ до зовнішньої пам’яті відмовлено.</string>
+    <string name="permission_external_storage_denied">У дозволі на доступ до зовнішньої пам’яті відмовлено.</string>
     <string name="back">назад</string>
     <string name="support_development">Підтримати розробника</string>
     <string name="thank_you">Щиро дякую!</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 844504d6..d6cf8a3f 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -171,7 +171,7 @@
     <string name="colored_footers">变色页脚</string>
     <string name="special_thanks_to">特别感谢</string>
     <string name="changelog">更新日志</string>
-    <string name="permission_to_access_external_storage_denied">访问外部存储的权限被拒绝。</string>
+    <string name="permission_external_storage_denied">访问外部存储的权限被拒绝。</string>
     <string name="back">返回</string>
     <string name="support_development">支持开发者</string>
     <string name="thank_you">非常感谢！</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 044e2f57..051c1846 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -166,7 +166,7 @@
     <string name="colored_footers">彩色的註腳</string>
     <string name="special_thanks_to">特別感謝</string>
     <string name="changelog">新功能</string>
-    <string name="permission_to_access_external_storage_denied">無法取得存取外部儲存空間的權限。</string>
+    <string name="permission_external_storage_denied">無法取得存取外部儲存空間的權限。</string>
     <string name="back">返回</string>
     <string name="support_development">支援開發</string>
     <string name="thank_you">感謝您！</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 9ef9cf3a..39a71015 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -182,7 +182,8 @@
     <string name="special_thanks_to">Special thanks to</string>
     <string name="changelog">Changelog</string>
     <string name="licenses">Licenses</string>
-    <string name="permission_to_access_external_storage_denied">Permission to access external storage denied.</string>
+    <string name="permissions_denied">Permissions denied.</string>
+    <string name="permission_external_storage_denied">Permission to access external storage denied.</string>
     <string name="back">back</string>
     <string name="support_development">Support development</string>
     <string name="thank_you">Thank you!</string>