Hopper not proper functional

When i put items on top of hopper and i put the chest on bottom of hopper,while i observing,and i open it the chest,hopper not dropped items i put onto chest/double chest...
When i create a hopper connects to same hopper x 5 more,connect to chest/double chest,isn't moving the items on chest/double chest/trapped...
MINECRAFT-POCKET EDITION 0.14.0 BUILD 4