java.lang.RuntimeException: Unable to start activity ComponentInfo{lelisoft.com.lelimath/lelisoft.com.lelimath.activities.CalcActivity}: java.lang.NullPointerException

Stack Overflow | Leos Literak | 5 months ago
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Root Cause Analysis

  1. java.lang.RuntimeException

    Unable to start activity ComponentInfo{lelisoft.com.lelimath/lelisoft.com.lelimath.activities.CalcActivity}: java.lang.NullPointerException

    at android.app.ActivityThread.performLaunchActivity()
  2. Android Platform
    ActivityThread.main
    1. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2328)
    2. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2386)
    3. android.app.ActivityThread.access$900(ActivityThread.java:169)
    4. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1277)
    5. android.os.Handler.dispatchMessage(Handler.java:102)
    6. android.os.Looper.loop(Looper.java:136)
    7. android.app.ActivityThread.main(ActivityThread.java:5476)
    7 frames
  3. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invokeNative(Method.java)
    2. java.lang.reflect.Method.invoke(Method.java:515)
    2 frames
  4. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
    2 frames
  5. Android Platform
    NativeStart.main
    1. dalvik.system.NativeStart.main(NativeStart.java)
    1 frame