android

android development

installation

Before installation

  • You need to have "java jdk" and "android sdk" install on your computer.
  • You have to ensure your computer is connected to 'dl.google.com' by ping dl.google.com. If you're unable to connect to this website, two method you can try: method 1 - Add one line "203.208.39.232 dl.google.com" at the ubuntu hosts file. Method 2 - You need vpn to download some components from "dl.google.com" during the process of installation. Basicly, I've tried both two method and the former one is much more reliable.

After installation

  • You may find tab completion errors: "bash: cannot create temp file for here-document: No space left on device". To fix this, by du -sh /usr/* |grep G to show all files that is greater than 1GB, du -sh /usr/android-studio/* |grep G and then delete un-important files.

  • If installation failed, please completely uninstall android studio from ubuntu, method including uninstall AS or google for other method.

  • If there're any bugs that you find very difficult to fix, go to "taobao.com" for help with some extra fee.

General installation steps:

project

My first App

This app only show "Hello world!" on my Huawei phone.

calculator

This app +

camera

object counting/detection

  • task decription - You need to finish an APP, which can use camera to proceeding object-detection tasks, such counting and face recognition.