我曾尝试更改应用程序的构建，但现在 eclipse 不起作用.

控制台什么都没有，当我启动调试时，日志上什么也没有.

我刚收到这条消息:

[2011-03-31 11:22:58 - Logcat]device not found
com.android.ddmlib.AdbCommandRejectedException: device not found
    at com.android.ddmlib.AdbHelper.setDevice(AdbHelper.java:736)
    at com.android.ddmlib.AdbHelper.executeRemoteCommand(AdbHelper.java:373)
    at com.android.ddmlib.Device.executeShellCommand(Device.java:284)
    at com.android.ddmuilib.logcat.LogPanel$3.run(LogPanel.java:527)