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)