photoService.js

services.factory('camera', ['$rootScope', '$q', 'ENV', function($rootScope, $q, ENV) {

	return {
		getPicture: function(options, fromLibrary) {

			// init $q
			var deferred = $q.defer();

			if (ENV.browser) {

				// create file input without appending to DOM
				var fileInput = document.createElement('input');
				fileInput.setAttribute('type', 'file');

				fileInput.onchange = function() {
					var file = fileInput.files[0];
					var reader = new FileReader();
					reader.readAsDataURL(file);
					reader.onloadend = function () {
						$rootScope.$apply(function() {
					  	// strip beginning from string
					  		var encodedData = reader.result.replace(/data:image\/jpeg;base64,/, '');
					  		deferred.resolve(encodedData);
						});
					};
				};

				fileInput.click();

			} else {

				if (fromLibrary) {
					options = {
						quality: 30,
						quality: 75,
						targetWidth: 320,
						targetHeight: 320,
						saveToPhotoAlbum: false,
						destinationType: Camera.DestinationType.FILE_URI,
						sourceType: Camera.PictureSourceType.PHOTOLIBRARY,
					};	
				} else {
					options.sourceType = Camera.PictureSourceType.CAMERA;
				}

				options = angular.extend(defaultOptions, options);
				var success = function(imageData) {
					$rootScope.$apply(function() {
						deferred.resolve(imageData);
					});
				};

				var fail = function(message) {
					$rootScope.$apply(function() {
						deferred.reject(message);
					});
				};

				navigator.camera.getPicture(success, fail, options);

			}
			return deferred.promise;
		}
	};

}]);