Try Google Now Swipe Disabler .

Try Google Now Swipe Disabler. Google Now Swipe Disabler repurposes that annoying swipe up from the bottom of your phone. If you're tired of having to press back twice when your scroll gets taken over by Google Now, then have Google Now Swipe Disabler do nothing! If you like the new voice search, but it takes too long to swipe up and press the mic icon, then tell it to go straight to voice search! You can have super quick access to your camera, or maybe you're always needing to do complicated mental math, now your calculator is just a convenient swipe away!