#!/usr/bin/env python
def row_gap_anim(obj, v):
	obj.set_style_pad_row(v, 0)


	def column_gap_anim(obj, v):
	obj.set_style_pad_column(v, 0)

#
# Demonstrate the effect of column and row gap style properties
#

	cont = lv.obj(lv.scr_act())
		   cont.set_size(300, 220)
		   cont.center()
		   cont.set_flex_flow(lv.FLEX_FLOW.ROW_WRAP)

		   for i in range(9) :
			   obj = lv.obj(cont)
					 obj.set_size(70, lv.SIZE.CONTENT)

					 label = lv.label(obj)
							 label.set_text(str(i))
							 label.center()

							 a_row = lv.anim_t()
									 a_row.init()
									 a_row.set_var(cont)
									 a_row.set_values(0, 10)
									 a_row.set_repeat_count(lv.ANIM_REPEAT.INFINITE)

									 a_row.set_time(500)
									 a_row.set_playback_time(500)
									 a_row.set_custom_exec_cb(lambda a, val : row_gap_anim(cont, val))
									 lv.anim_t.start(a_row)

									 a_col = lv.anim_t()
											 a_col.init()
											 a_col.set_var(cont)
											 a_col.set_values(0, 10)
											 a_col.set_repeat_count(lv.ANIM_REPEAT.INFINITE)

											 a_col.set_time(3000)
											 a_col.set_playback_time(3000)
											 a_col.set_custom_exec_cb(lambda a, val : column_gap_anim(cont, val))

											 lv.anim_t.start(a_col)

