diff --git a/app/build.gradle b/app/build.gradle
index 1d5b807..ec273fc 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.github.axet.audiorecorder"
         minSdkVersion 9
         targetSdkVersion 26
-        versionCode 293
-        versionName "3.2.35"
+        versionCode 294
+        versionName "3.2.36"
     }
     signingConfigs {
         release {
@@ -57,5 +57,5 @@ android {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    implementation 'com.github.axet:android-audio-library:1.0.136' // implementation project(':android-audio-library')
+    implementation 'com.github.axet:android-audio-library:1.0.138' // implementation 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 54fcead..38ff02f 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
@@ -24,6 +24,7 @@ import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import com.github.axet.androidlibrary.app.SuperUser;
 import com.github.axet.androidlibrary.services.StorageProvider;
 import com.github.axet.androidlibrary.widgets.AboutPreferenceCompat;
 import com.github.axet.androidlibrary.widgets.AppCompatThemeActivity;
@@ -298,14 +299,7 @@ public class MainActivity extends AppCompatThemeActivity {
     }
 
     public void Error(Throwable e) {
-        String msg = e.getMessage();
-        if (msg == null || msg.isEmpty()) {
-            Throwable t = e;
-            while (t.getCause() != null)
-                t = t.getCause();
-            msg = t.getClass().getSimpleName();
-        }
-        Error(msg);
+        Error(SuperUser.toMessage(e));
     }
 
     public void Error(String msg) {
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 093796f..eaf3c7e 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
@@ -29,6 +29,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.github.axet.androidlibrary.animations.MarginBottomAnimation;
+import com.github.axet.androidlibrary.app.SuperUser;
 import com.github.axet.androidlibrary.sound.AudioTrack;
 import com.github.axet.androidlibrary.widgets.AppCompatThemeActivity;
 import com.github.axet.androidlibrary.widgets.OpenFileDialog;
@@ -202,23 +203,15 @@ public class RecordingActivity extends AppCompatThemeActivity {
     }
 
     public String toMessage(Throwable e) {
-        String msg = e.getMessage();
-        if (msg == null || msg.isEmpty()) {
-            Throwable t;
-            if (encoder == null) {
+        Throwable t;
+        if (encoder == null) {
+            t = e;
+        } else {
+            t = encoder.getException();
+            if (t == null)
                 t = e;
-            } else {
-                t = encoder.getException();
-                if (t == null)
-                    t = e;
-            }
-            while (t.getCause() != null)
-                t = t.getCause();
-            msg = t.getMessage();
-            if (msg == null || msg.isEmpty())
-                msg = t.getClass().getSimpleName();
         }
-        return msg;
+        return SuperUser.toMessage(t);
     }
 
     public void Error(Throwable e) {
diff --git a/app/src/main/java/com/github/axet/audiorecorder/services/RecordingService.java b/app/src/main/java/com/github/axet/audiorecorder/services/RecordingService.java
index c5c766e..6bcdbf0 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/services/RecordingService.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/services/RecordingService.java
@@ -14,10 +14,10 @@ import android.os.Bundle;
 import android.os.IBinder;
 import android.preference.PreferenceManager;
 import android.support.annotation.Nullable;
-import android.support.v4.app.NotificationManagerCompat;
 import android.util.Log;
 import android.view.View;
 
+import com.github.axet.androidlibrary.app.NotificationManagerCompat;
 import com.github.axet.androidlibrary.widgets.OptimizationPreferenceCompat;
 import com.github.axet.androidlibrary.widgets.ProximityShader;
 import com.github.axet.androidlibrary.widgets.RemoteNotificationCompat;