How to make android phone flashlight blink

Question

I am making he LED flashlight of android phone blink based on binary: if char = 1 turn LED light on else if char = 0 turn LED off.

if ( char == '1'){ params.setFlashMode(Parameters.FLASH_MODE_ON); }              
if ( char == '0'){ params.setFlashMode(Parameters.FLASH_MODE_OFF);}

So I get the char from a String str ="101010101" the char gets the values 1, 0, 1 and so on, which is supposed to make the flashlight blink, however it blinks ones and that's it. How should I fix this problem?

Answer 1

This might be too fast to blink:-

String[] list1 = { "1", "0", "1", "0", "1", "0", "1", "0", "1", "0" };
        for (int i = 0; i < list1.length; i++) {
            if (list1[i].equals("0")) {
                params.setFlashMode(Parameters.FLASH_MODE_ON);
            } else {
                params.setFlashMode(Parameters.FLASH_MODE_OFF);
            }