diff --git a/app/build.gradle b/app/build.gradle
index 8603b1e..3ed5df5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -55,5 +55,5 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
-    compile 'com.github.axet:android-audio-library:1.0.70' // compile project(':android-audio-library')
+    compile 'com.github.axet:android-audio-library:1.0.71' // compile project(':android-audio-library')
 }
diff --git a/app/src/main/java/com/github/axet/audiorecorder/activities/MainActivity.java b/app/src/main/java/com/github/axet/audiorecorder/activities/MainActivity.java
index 123e952..708f993 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/activities/MainActivity.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/activities/MainActivity.java
@@ -37,8 +37,6 @@ import com.github.axet.audiorecorder.services.RecordingService;
 public class MainActivity extends AppCompatActivity {
     public final static String TAG = MainActivity.class.getSimpleName();
 
-    public static final String[] PERMISSIONS = new String[]{Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE};
-
     FloatingActionButton fab;
     Handler handler = new Handler();
 
diff --git a/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java b/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
index 79387c0..5737a0a 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
@@ -964,7 +964,7 @@ public class RecordingActivity extends AppCompatActivity {
                 finish();
             }
         });
-        builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
+        builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
             @Override
             public void onClick(DialogInterface dialog, int which) {
                 finish();
diff --git a/app/src/main/java/com/github/axet/audiorecorder/activities/SettingsActivity.java b/app/src/main/java/com/github/axet/audiorecorder/activities/SettingsActivity.java
index 207fc85..d5ba33a 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/activities/SettingsActivity.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/activities/SettingsActivity.java
@@ -26,6 +26,7 @@ import android.widget.ProgressBar;
 import android.widget.Toast;
 
 import com.github.axet.androidlibrary.widgets.NameFormatPreferenceCompat;
+import com.github.axet.androidlibrary.widgets.OpenFileDialog;
 import com.github.axet.androidlibrary.widgets.SilencePreferenceCompat;
 import com.github.axet.androidlibrary.widgets.StoragePathPreferenceCompat;
 import com.github.axet.androidlibrary.widgets.ThemeUtils;
@@ -53,8 +54,6 @@ import java.util.List;
  */
 public class SettingsActivity extends AppCompatActivity implements SharedPreferences.OnSharedPreferenceChangeListener, PreferenceFragmentCompat.OnPreferenceDisplayDialogCallback {
 
-    public static final String[] PERMISSIONS = new String[]{Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE};
-
     public static final int RESULT_STORAGE = 1;
 
     Handler handler = new Handler();
@@ -178,11 +177,6 @@ public class SettingsActivity extends AppCompatActivity implements SharedPrefere
                 || GeneralPreferenceFragment.class.getName().equals(fragmentName);
     }
 
-    @Override
-    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-    }
-
     @Override
     public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
         if (key.equals(MainApplication.PREFERENCE_THEME)) {
@@ -261,7 +255,7 @@ public class SettingsActivity extends AppCompatActivity implements SharedPrefere
 
             StoragePathPreferenceCompat s = (StoragePathPreferenceCompat) pm.findPreference(MainApplication.PREFERENCE_STORAGE);
             s.setStorage(new Storage(getContext()));
-            s.setPermissionsDialog(this, PERMISSIONS, RESULT_STORAGE);
+            s.setPermissionsDialog(this, OpenFileDialog.PERMISSIONS_RW, RESULT_STORAGE);
             if (Build.VERSION.SDK_INT >= 21)
                 s.setStorageAccessFramework(this, RESULT_STORAGE);
         }
diff --git a/app/src/main/java/com/github/axet/audiorecorder/app/Storage.java b/app/src/main/java/com/github/axet/audiorecorder/app/Storage.java
index 5b7c72d..26f32e3 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/app/Storage.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/app/Storage.java
@@ -12,10 +12,6 @@ import java.util.Date;
 
 public class Storage extends com.github.axet.audiolibrary.app.Storage {
 
-    public Storage(Context context) {
-        super(context);
-    }
-
     public static String getFormatted(String format, Date date) {
         format = format.replaceAll("%s", SIMPLE.format(date));
         format = format.replaceAll("%I", ISO8601.format(date));
@@ -23,6 +19,10 @@ public class Storage extends com.github.axet.audiolibrary.app.Storage {
         return format;
     }
 
+    public Storage(Context context) {
+        super(context);
+    }
+
     public Uri getNewFile() {
         SharedPreferences shared = PreferenceManager.getDefaultSharedPreferences(context);
         String ext = shared.getString(MainApplication.PREFERENCE_ENCODING, "");