java.lang.NullPointerException

Attempt to invoke virtual method 'void android.widget.LinearLayout.setLayoutTransition(android.animation.LayoutTransition)' on a null object reference

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Solutions on the web21084

  • via Stack Overflow by Davide Nale
    , 9 months ago
    Attempt to invoke virtual method 'void android.widget.LinearLayout.setLayoutTransition(android.animation.LayoutTransition)' on a null object reference
  • via GitHub by GoogleCodeExporter
    , 6 months ago
    Attempt to invoke virtual method 'void android.graphics.drawable.Drawable.setHotspot(float, float)' on a null object reference
  • via GitHub by storm1er
    , 5 months ago
    Attempt to invoke virtual method 'void android.bluetooth.BluetoothGattCharacteristic.setWriteType(int)' on a null object reference
  • Stack trace

    • java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.LinearLayout.setLayoutTransition(android.animation.LayoutTransition)' on a null object reference at com.daveslab.wideview.MainActivity.onCreateOptionsMenu(MainActivity.java:69) at android.app.Activity.onCreatePanelMenu(Activity.java:2846) at android.support.v4.app.FragmentActivity.onCreatePanelMenu(FragmentActivity.java:360) at android.support.v7.view.WindowCallbackWrapper.onCreatePanelMenu(WindowCallbackWrapper.java:88) at android.support.v7.app.AppCompatDelegateImplBase$AppCompatWindowCallbackBase.onCreatePanelMenu(AppCompatDelegateImplBase.java:331) at android.support.v7.view.WindowCallbackWrapper.onCreatePanelMenu(WindowCallbackWrapper.java:88) at android.support.v7.app.ToolbarActionBar.populateOptionsMenu(ToolbarActionBar.java:454) at android.support.v7.app.ToolbarActionBar$1.run(ToolbarActionBar.java:61) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5417) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

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