No internet address Kali Linux 2.0! Cannot connect to wifi?!

PLEASE HELP ME! EVERYTIME I TRY TO CONNECT TO THE INTERNET, I DON'T HAVE A FREAKIN INTERNET ADDRESS! SOMETIMES I MAY RESTART AND IT CONNECTS, BUT MAJORITY OF THE TIME THERE IS NO INTERNET ADDRESS TO CONNECT TO! WTF IS HAPPENING THIS IS SO ANNOYING! P.S. I AM DUAL BOOTING KALI LINUX ON REAL HARDWARE! NOT VIRTUAL MACHINE! HERE ARE MY SETTINGS:

root@kali:~# ifconfig

eth0 Link encap:Ethernet HWaddr 50:7b:9d:51:43:5d

UP BROADCAST MULTICAST MTU:1500 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

inet6 addr: ::1/128 Scope:Host

UP LOOPBACK RUNNING MTU:65536 Metric:1

RX packets:20 errors:0 dropped:0 overruns:0 frame:0

TX packets:20 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:1200 (1.1 KiB) TX bytes:1200 (1.1 KiB)

wlan0 Link encap:Ethernet HWaddr 18:4f:32:58:94:4b

inet6 addr: fe80::1a4f:32ff:fe58:944b/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:2989 errors:0 dropped:1 overruns:0 frame:0

TX packets:247 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:613793 (599.4 KiB) TX bytes:56557 (55.2 KiB)

HERE IS THE etc/internet/interfaces file:

# This file describes the network interfaces available on your system

# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface

auto lo

iface lo inet loopback

iface eth0 inet static

# The primary network interface

allow-hotplug wlan0

#iface wlan0 inet dhcp

iface wlan0 inet static

address 192.168.1.224

netmask 255.0.0.0

gateway 192.168.1.1