Samsung Galaxy Note Edge, why does my keyboard hide on certain apps?

A

AC Question

Samsung galaxy note edge

On certain apps my key board would hide and then pop back up . And on the home page my the edge screen pops up , hides and pops back up again . When im listening to music on my headphones or using an AUX cord it would pause the play again. When i try to watch videos , they to pause but they dont keeo playing. And its continuious for both the keyboard, edge screen, music, and videos. Please help me im frustrated.