android 第一次运行问题
刚自学android、一个问题那位学长遇过
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[2011-01-20 10:40:21 - Hello] Failed to install Hello.apk on device 'emulator-5554!
[2011-01-20 10:40:21 - Hello] (null)
[2011-01-20 10:40:23 - Hello] Launch canceled!
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怎么解决 谢先