startScan报错：UndeclaredThrowableException

[baowenqing]

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.rct.ros/com.rct.ros.ui.main.activity.DefaultPrinterActivity}: java.lang.reflect.UndeclaredThrowableException
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2666)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2727)
    at android.app.ActivityThread.-wrap12(ActivityThread.java)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1478)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:154)
    at android.app.ActivityThread.main(ActivityThread.java:6121)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:892)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:782)
 Caused by: java.lang.reflect.UndeclaredThrowableException
    at $Proxy1.startScan(Unknown Source)

[f262866551]

ble.released();会出这个

[Wodner]

解决了吗

[f262866551]

解决了吗 没有

[Jamishon]

I met the same problem .

java.lang.RuntimeException: Unable to start activity ComponentInfo{cn.wywk.yiot/cn.wywk.yiot.device.bluetooth.BleActivity}: java.lang.reflect.UndeclaredThrowableException at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3993) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4173) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:114) at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:231) at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:152) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:93) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2595) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loopOnce(Looper.java:232) at android.os.Looper.loop(Looper.java:317) at android.app.ActivityThread.main(ActivityThread.java:8592) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:580) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:878) Caused by: java.lang.reflect.UndeclaredThrowableException at $Proxy3.startScan(Unknown Source) at cn.com.heaton.blelibrary.ble.Ble.startScan(Ble.java:157)