我正在尝试在android中编写Hello World程序。但是得到错误：
[2014-09-18 21:23:57 - HelloWorld] ------------------------------
[2014-09-18 21:23:57 - HelloWorld] Android Launch!
[2014-09-18 21:23:57 - HelloWorld] adb is running normally.
[2014-09-18 21:23:57 - HelloWorld] Performing com.android.helloworld.MainActivity activity launch
[2014-09-18 21:23:57 - HelloWorld] Automatic Target Mode: Unable to detect device compatibility. Please select a target device.
[2014-09-18 21:24:08 - HelloWorld] Uploading HelloWorld.apk onto device 'emulator-5554'
[2014-09-18 21:24:11 - HelloWorld] Installing HelloWorld.apk...
[2014-09-18 21:26:32 - HelloWorld] Failed to install HelloWorld.apk on device 'emulator-5554!
[2014-09-18 21:26:32 - HelloWorld] (null)
[2014-09-18 21:26:33 - HelloWorld] Launch canceled!
答案 0 :(得分：0)
[2014-09-18 21:23:57 - HelloWorld]自动目标模式：无法检测设备兼容性。请选择目标设备。
检查您的应用程序正在编译的android版本，并选择正确的版本。 :) Managing AVDs with AVD Manager