android - AOSP 时出现问题 – 创建系统服务

Question

我是AOSP环境开发的新手。我正在尝试使用以下 url（示例源代码） http://devrea.com/aosp-creating-a-system-service创建系统服务，运行应用程序时遇到问题：

Logcat 错误信息：

 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.bojojnav.sampleserviceapp/com.example.bojojnav.sampleserviceapp.MainActivity}: java.lang.IllegalStateException: Failed to find ISampService by name [com.android.sampservice.ISampService]
                      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2778)
                      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856)
                      at android.app.ActivityThread.-wrap11(Unknown Source:0)
                      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589)
                      at android.os.Handler.dispatchMessage(Handler.java:106)
                      at android.os.Looper.loop(Looper.java:164)
                      at android.app.ActivityThread.main(ActivityThread.java:6494)
                      at java.lang.reflect.Method.invoke(Native Method)
                      at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
                   Caused by: java.lang.IllegalStateException: Failed to find ISampService by name [com.android.sampservice.ISampService]
                      at com.android.sampservice.SampManager.<init>(SampManager.java:43)
                      at com.android.sampservice.SampManager.getInstance(SampManager.java:18)
                      at com.example.bojojnav.sampleserviceapp.MainActivity.onCreate(MainActivity.java:16)
                      at android.app.Activity.performCreate(Activity.java:7009)
                      at android.app.Activity.performCreate(Activity.java:7000)
                      at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1214) 

请帮我解决问题。

标签： androidandroid-source