Restrict the length of Edittext characters 1) Open your sketchware project.Add edittext. In the logic section, OnActivityCreate Add the following code InputFilter [] editFilters = edittext1 . getFilters (); InputFilter [] newFilters = new InputFilter [ editFilters . length + 1 ]; System . arraycopy ( editFilters , 0 , newFilters , 0 , editFilters . length ); newFilters [ editFilters . length ] = new InputFilter . LengthFilter ( 10 ); edittext1 . setFilters ( newFilters ); If you have any doubts , comment below