user-manual

I am new to Android development, I need to show user manual like Flip-kart app on start-up of app. Please refer the image below, You will get an idea about, What actually I want to achieve.... Is there any standard way to achieve this? You can do the whole stuff manually. Or use a prebuilt library called ShowcaseView. You'll find details, code and guide here http://www.xda-developers.com/android/create-holo-themed-demo-overlays-with-showcaseview/ Here is my suggestion Get the semi-transparent images of manual pages. Keep the Images in your res/drawable . Use sharedpreference to maintain the

On gcc, the manual explains what -O3 , -Os , etc. translate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.) I'm looking for the same info for clang . I've looked online and in man clang which only gives general information ( -O2 optimises more than -O1 , -Os optimises for speed, …) and also looked here on Stack Overflow and found this , but I haven't found anything relevant in the cited source files. Edit: I found an answer but I'm still interested if anyone has a link to a user-manual documenting all optimisation passes and the passes selected by -O