当我运行示例程序时,我得到以下错误
[2013-02-01 15:13:32 - webrowser] Performing sync
[2013-02-01 15:13:32 - webrowser] Automatic Target Mode: Preferred AVD 'androidDevice' is available on emulator 'emulator-5554'
[2013-02-01 15:13:32 - webrowser] Uploading webrowser.apk onto device 'emulator-5554'
[2013-02-01 15:13:32 - webrowser] Installing webrowser.apk...
[2013-02-01 15:13:36 - webrowser] Installation error: INSTALL_FAILED_TEST_ONLY
[2013-02-01 15:13:36 - webrowser] Please check logcat output for more details.
[2013-02-01 15:13:36 - webrowser] Launch canceled!
有谁知道这个错误的原因以及如何解决它？