App crash while show tooltip

[monikasavaliya]

java.lang.StringIndexOutOfBoundsException: length=0; index=0
at java.lang.String.charAt(Native Method)
at com.tomergoldst.tooltips.UiUtils.isRtl(UiUtils.java:28)
at com.tomergoldst.tooltips.UiUtils.isRtl(UiUtils.java:24)
at com.tomergoldst.tooltips.ToolTipsManager.create(ToolTipsManager.java:102)
at com.tomergoldst.tooltips.ToolTipsManager.show(ToolTipsManager.java:69)

[naveenchandan]

#43 (comment)