(A better tutorial is suitable for beginners to learn. There is also a folder dedicated to some commonly used images for development, which is a good resource. I hope it will be helpful to newcomers.
Android Development Tutorial Details Common Development Images arrow2.png
Android development tutorial detailed version common image for development arrow_ left_ float.png
Android development tutorial detailed version common image for development arrow_ right_ float.png
Android development tutorial detailed version common image for development attached_ image_ placeholder.png
Android development tutorial detailed version common image for development btn_ browser.png
Android development tutorial detailed version common image for development btn_ browser2.png
Android development tutorial detailed version common image for development btn_ icon_ bg_ focused.9.png
Android development tutorial detailed version common image for development btn_ icon_ bg_ pressed.9.png
Android development tutorial detailed version common image for development bt_ 1.png
Android development tutorial detailed version common image for development bt_ 2.png
Android development tutorial detailed version common image for development button.png
Android development tutorial detailed version common image for development button_ indicator_ next.png
Android development tutorial detailed version common image for development child_ image.png
Android development tutorial detailed version common image for development controlbar_ window.png
Android Development Tutorial Details Common Development Images default_ bg.png
Android development tutorial detailed version common image for development provider_ horizontal_ email.9.png
Android development tutorial detailed version common image for development email_ quoted_ bar.9.png
Android development tutorial detailed version common image for development expander_ ic_ folder_ maximized.9.png
Android development tutorial detailed version common image for development expander_ ic_ folder_ minimized.9.png
Android development tutorial detailed version common image for development expander_ ic_ maximized.9.png
Android development tutorial detailed version common image for development expander_ ic_ minimized.9.png
Android development tutorial detailed version common image for development fast_ scroller_ img.png
Android Development Tutorial Details Common Development Images generbg.png
Android Development Tutorial Details Common Development Images header.9.png
Android Development Tutorial Details Common Development Images headerlabel.9.png
Android development tutorial detailed version common image for development header_ selected.9.png
Android Development Tutorial Details Common Development Images icon (2). png
Android development tutorial detailed version common image for development icon.png
Android development tutorial detailed version common image for development icon_ email.png
Android development tutorial detailed version common image for development icon_ facebook.png)