While Run Android Application in Eclipse, I got the following Error. How to solve it? I'm very new to ADT.
Failed to install HaiHello.apk on device 'emulator-5554': Read-only file system
[2014-10-16 14:10:59 - HaiHello] com.android.ddmlib.SyncException: Read-only file system
[2014-10-16 14:10:59 - HaiHello] Launch canceled!