Here you can find the source of getCameraInstance()
public static Camera getCameraInstance()
//package com.java2s; import android.hardware.Camera; public class Main { public static Camera getCameraInstance() { Camera c = null;/*from w w w .jav a 2 s. com*/ try { c = Camera.open(); // attempt to get a Camera instance } catch (Exception e) { // Camera is not available (in use or does not exist) } return c; // returns null if camera is unavailable } }