java.lang.NullPointerException

Stack Overflow | chohyunwook | 7 months ago
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    java.lang.RuntimeException: Unable to start activity ComponentInfo{kr.co.iosystem.blackeyeonandroid/kr.co.iosystem.blackeyeonandroid.BlackEyeActivity}: java.lang.NullPointerException
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    java.lang.NullPointerException: Attempt to invoke virtual method 'long org.webrtc.VideoCapturer.takeNativeVideoCapturer()' on a null object reference
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.webrtc.PeerConnectionFactory.createVideoSource()
    2. org.webrtc
      PeerConnectionFactory.createVideoSource
      1. org.webrtc.PeerConnectionFactory.createVideoSource(PeerConnectionFactory.java:111)
      1 frame
    3. kr.co.iosystem
      BlackEyeActivity.onCreate
      1. kr.co.iosystem.blackeyeonandroid.BlackEyeActivity.onCreate(BlackEyeActivity.java:226)
      1 frame
    4. Android Platform
      ActivityThread.main
      1. android.app.Activity.performCreate(Activity.java:5231)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2148)
      4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233)
      5. android.app.ActivityThread.access$800(ActivityThread.java:135)
      6. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
      7. android.os.Handler.dispatchMessage(Handler.java:102)
      8. android.os.Looper.loop(Looper.java:136)
      9. android.app.ActivityThread.main(ActivityThread.java:5001)
      9 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invokeNative(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:515)
      2 frames
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
      2 frames
    7. Android Platform
      NativeStart.main
      1. dalvik.system.NativeStart.main(Native Method)
      1 frame