我在android的片段上尝试了一个简单的程序但是无法获得输出。请提供解决方案。控制台中列出了以下错误
[2014-01-21 14:12:29 - Fragmt1] Failed to install Fragmt1.apk on device 'emulator-5554!
[2014-01-21 14:12:29 - Fragmt1] (null)
[2014-01-21 14:12:29 - Fragmt1] Failed to install Fragmt1.apk on device 'emulator-5554': EOF
[2014-01-21 14:12:29 - Fragmt1] com.android.ddmlib.InstallException: EOF
[2014-01-21 14:12:29 - Fragmt1] Launch canceled!