title: Emulator stops at the boot interface when running Helloworld program
body: <p>I try to run a helloworld example on the Android Studio.The example is generated antomatically by the studio，but it stop at the boot interface.</p>
  
  <p>I've got the following errors:</p>
  
  <pre><code>04-04 06:36:32.941 939-939/? E/lowmemorykiller: Kernel does not support
  memory pressure events or in-kernel low memory killer
  04-04 06:36:33.114 941-941/? E/libEGL:load_driver(/system/lib/egl/libGLES_emulation.so): dlopen failed: library "/system/lib/egl/libGLES_emulation.so" not found
  04-04 06:36:33.235 941-941/? E/SurfaceFlinger: hwcomposer module not found
  04-04 06:36:33.778 941-962/? E/SurfaceFlinger: ro.sf.lcd_density must be defined as a build property
  04-04 06:36:35.217 1008-1010/? E/libEGL: load_driver(/system/lib/egl/libGLES_emulation.so): dlopen failed: library "/system/lib/egl/libGLES_emulation.so" not found
  </code></pre>
  
  <p>How can I fix it?</p>