Hello guys! I just have this question cus i have 3 folders and everyone else should also have when they create apps and i am now trying to update my app with some nice graphics for some buttons and such.. And now i wonder the following. I have some button i want to add a picture to.. But there is three folders Drawable-hdpi, mdpi and ldpi, The buttons im creating need different sizes for each folder correct so when u use for example small screen phone the buttons wont be too big.. And the screen is big phone the buttons wont be too small.. Correct? And now i wonder what kind of width and height should i have on theese pictures for each folder here? Please help me. Thanks!