eclipse安卓模拟器运行不了，连接手机也连接不上。 target是问号

[2014-10-14 10:49:09 - test] ------------------------------
[2014-10-14 10:49:09 - test] Android Launch!
[2014-10-14 10:49:09 - test] adb is running normally.
[2014-10-14 10:49:09 - test] Performing com.example.test.MainActivity activity launch
[2014-10-14 10:49:09 - test] Automatic Target Mode: Unable to detect device compatibility. Please select a target device.
[2014-10-14 10:49:20 - test] Uploading test.apk onto device *emulator-5554*
[2014-10-14 10:49:20 - test] Installing test.apk...
[2014-10-14 10:49:20 - test] Installation error: Unknown failure
[2014-10-14 10:49:20 - test] Please check logcat output for more details.
[2014-10-14 10:49:20 - test] Launch canceled!

看看是不是有豌豆荚之类的进程，关了 重启adb

下个，海马玩，可以做模拟器的，还快些