   ;; Saving point to register enables jumping back to last change at any time.
   (ar/save-point))
 
+(defun ar/objc-mode-hook ()
+  "Called when entering objc-mode"
+  (set (make-local-variable 'company-backends)
+       ;; List with multiple back-ends for mutual inclusion.
+       '((company-yasnippet
+          company-gtags
+          company-dabbrev-code
+          company-files)))
+  ;; List targets with xcodebuild -list
+  ;; List SDKS with xcodebuild -sdk -version, for example:
+  ;; iPhoneSimulator7.1.sdk - Simulator - iOS 7.1 (iphonesimulator7.1)
+  ;; SDKVersion: 7.1
+  ;; Path: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.1.sdk
+  ;; PlatformPath: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform
+  ;; ProductBuildVersion: 11D167
+  ;; ProductCopyright: 1983-2014 Apple Inc.
+  ;; ProductName: iPhone OS
+  ;; ProductVersion: 7.1
+  (setq compile-command "xcodebuild -sdk iphonesimulator7.1 -target MyTarget")
+  (define-key objc-mode-map [f6] 'recompile)
+  (define-key objc-mode-map [f7] 'ar/xc:build)
+  (define-key objc-mode-map [f8] 'ar/xc:run))
+(add-hook 'objc-mode-hook 'ar/objc-mode-hook)
+
 (defun ar/java-mode-hook ()
   "Called when entering java-mode"
   ;; 100-column limit for java.

      '("~/.emacs.d/yasnippets/personal"))
(yas-reload-all)

(use-package helm
  :ensure helm)

;; From http://tuhdo.github.io/helm-intro.html
;; must set before helm-config,  otherwise helm use default
;; prefix "C-x c", which is inconvenient because you can
;; accidentially pressed "C-x C-c"
(setq helm-command-prefix-key "C-c h")

(require 'helm-config)
(require 'helm-files)
(require 'helm-grep)
(require 'helm-eshell)
(require 'helm-buffers)

(use-package helm-ag-r
  :ensure helm-ag-r)
(require 'helm-ag-r)

(use-package helm-swoop
  :ensure helm-swoop)
(require 'helm-swoop)

(use-package helm-dash
  :ensure helm-dash)
(require 'helm-dash)
(setq helm-dash-browser-func 'eww)

(global-set-key (kbd "M-C-s") 'helm-multi-swoop-all)

  (whitespace-mode)
  (rainbow-delimiters-mode)
  (yas-minor-mode))
(add-hook 'prog-mode-hook 'ar/prog-mode-hook)

(use-package centered-cursor-mode
