问题1：

[2010-10-22 13:59:30 - Android_Test] Unable to resolve target 'android-3'

[2010-10-22 13:59:30 - Android_Demo] Unable to resolve target 'android-3'

问题2

invalid command-line parameter:

Hint: use '@foo' to launch a virtual device named 'foo'.

Emulator] please use -help for more information

SDK的位置不应包含中文名。Eclispe下面

windows->Preferences

apply然后ok.

问题3

必须添加JRE,不然的话会报错。