Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.hardware.Camera; public class Main { public static void close(Context context) { Camera cam = Camera.open(); cam.stopPreview(); cam.release(); } public static void open(Context context) { Camera cam = Camera.open(); Camera.Parameters p = cam.getParameters(); p.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH); cam.setParameters(p); cam.startPreview(); } }