E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.job1, PID: 12739
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.job1/com.example.job1.SetActivity}: java.lang.SecurityException
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2817)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: java.lang.SecurityException
at android_serialport_api.SerialPort.<init>(SerialPort.java:57)
at com.example.job1.SerialPortUtil.openSerialPort(SerialPortUtil.java:34)
at com.example.job1.SetActivity.onCreate(SetActivity.java:50)
at android.app.Activity.performCreate(Activity.java:6975)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1213)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2770)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
uj5u.com熱心網友回復：
基本上是照搬這篇帖子的內容，就是不知道為啥程式執行打開串口的時候一直出錯。https://blog.csdn.net/u010312949/article/details/80199018uj5u.com熱心網友回復：
你這個是界面跳轉的問題吧，發一下跳到com.example.job1.SetActivity的相關代碼轉載請註明出處，本文鏈接：https://www.uj5u.com/yidong/88436.html
標籤：Android
上一篇：請教：this.dbPost這個屬性是在哪兒定義的？怎么定義的？
下一篇：android配置失敗