fixed empty data crash when indicator is shown #125 (#126)

Author: androideveloper

lib/src/main/java/com/turingtechnologies/materialscrollbar/Indicator.java

@@ -19,16 +19,17 @@
 import android.content.Context;
 import android.graphics.Typeface;
 import android.graphics.drawable.GradientDrawable;
-import androidx.annotation.ColorInt;
-import androidx.core.content.ContextCompat;
-import androidx.core.view.ViewCompat;
-import androidx.recyclerview.widget.RecyclerView;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.ViewGroup;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 
+import androidx.annotation.ColorInt;
+import androidx.core.content.ContextCompat;
+import androidx.core.view.ViewCompat;
+import androidx.recyclerview.widget.RecyclerView;
+
 /**
  * Devs should not normally need to extend this class. Just use {@link CustomIndicator} instead.
  * However, this is public to leave the option open.
@@ -139,7 +140,7 @@ void setText(int section) {
                 return;
             }
             newText = getTextElement(section, adapter);
-        } catch (ArrayIndexOutOfBoundsException e) {
+        } catch (IndexOutOfBoundsException e) {
             newText = "Error";
         }
         if(!textView.getText().equals(newText)) {