I have installed eclipse for C++ development and Java development in Ubuntu 14.04. But these days, I prefer to install the android development environment。 Compared to Eclipse, Android Studio offers official development environment. So I install this software. I have already installed Java 1.8. Reference: 1.http://karuppuswamy.com/wordpress/2013/10/23/how-to-install-android-studio-in-ubuntu-linux-13-10/ 2.http://simpledeveloper.com/adb-not-responding-android-solution/ 3.http://blog.csdn.net/niuls/article/details/37868079 The steps to install Android Studio. Step 1: Download Android Studio from Android Developer Portal(developer.android.com/sdk/index.html). Step 2: Install Android Studio. Extracting the the downloaded package to /opt/. Because of the China Gov's firewall, the google's host address should be added. For example, You can find google's host address in this site(http://ping.chinaz.com/) and add an effective one to /etc/hosts $ sudo vi /etc/hosts. and add the addr...