Java tutorial
//package com.java2s; import android.hardware.Camera; public class Main { /** A safe way to get an instance of the Camera object. */ public static Camera getCameraInstance() { Camera c = null; try { c = Camera.open(); // attempt to get a Camera instance c.setDisplayOrientation(90); } catch (Exception e) { // Camera is not available (in use or does not exist) } return c; // returns null if camera is unavailable } }