07-18 12:38:55.260: E/AndroidRuntime(2050): FATAL EXCEPTION: main
07-18 12:38:55.260: E/AndroidRuntime(2050): java.lang.NullPointerException
07-18 12:38:55.260: E/AndroidRuntime(2050): at org.com.formation.test.Main.getSpotAngle(Main.java:103)
07-18 12:38:55.260: E/AndroidRuntime(2050): at org.com.formation.test.Main.moveSpot(Main.java:127)
07-18 12:38:55.260: E/AndroidRuntime(2050): at org.com.formation.test.Main$1.onSensorChanged(Main.java:168)
07-18 12:38:55.260: E/AndroidRuntime(2050): at android.hardware.SensorManager$ListenerDelegate$1.handleMessage(SensorManager.java:580)
07-18 12:38:55.260: E/AndroidRuntime(2050): at android.os.Handler.dispatchMessage(Handler.java:99)
07-18 12:38:55.260: E/AndroidRuntime(2050): at android.os.Looper.loop(Looper.java:137)
07-18 12:38:55.260: E/AndroidRuntime(2050): at android.app.ActivityThread.main(ActivityThread.java:4424)
07-18 12:38:55.260: E/AndroidRuntime(2050): at java.lang.reflect.Method.invokeNative(Native Method)
07-18 12:38:55.260: E/AndroidRuntime(2050): at java.lang.reflect.Method.invoke(Method.java:511)
07-18 12:38:55.260: E/AndroidRuntime(2050): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
07-18 12:38:55.260: E/AndroidRuntime(2050): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
07-18 12:38:55.260: E/AndroidRuntime(2050): at dalvik.system.NativeStart.main(Native Method)
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