error：Failed to create the SD card.
解决方法：
sudo apt-get install lib32ncurses5 lib32z1
error:/opt/androidsdk/tools/mksdcard: error while loading shared libraries: libgcc_s.so.1: cannot open shared object file: No such file or directory
sudo apt-get install lib32z1 lib32ncurses5 lib32stdc++6
