java.lang.RuntimeException: Unable to start activity ComponentInfo{com.make.app/com.make.app.app.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference

Stack Overflow | Indent | 6 months ago
  1. 0

    Cannot access method (setter) in fragment from activity

    Stack Overflow | 6 months ago | Indent
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.make.app/com.make.app.app.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference
  2. 0
    The resource was accessed after it was dismissed.
  3. 0
    Initialize the variable before calling a method on it.
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  5. 0
    Use 'dialog' to access views from custom_layout layout.
  6. 0

    Transaction between fragments with FragmentManager

    Stack Overflow | 2 months ago | Anonimo Anonimus
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference

      at com.make.app.app.MainActivity.InitializePaging()
    2. com.make.app
      MainActivity.onCreate
      1. com.make.app.app.MainActivity.InitializePaging(MainActivity.java:260)
      2. com.make.app.app.MainActivity.onCreate(MainActivity.java:107)
      2 frames
    3. Android Platform
      ActivityThread.main
      1. android.app.Activity.performCreate(Activity.java:5990)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
      4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
      5. android.app.ActivityThread.access$800(ActivityThread.java:151)
      6. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
      7. android.os.Handler.dispatchMessage(Handler.java:102)
      8. android.os.Looper.loop(Looper.java:135)
      9. android.app.ActivityThread.main(ActivityThread.java:5254)
      9 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
      2 frames