Help

01-01 12:31:20.579: D/dalvikvm(532): Not late-enabling CheckJNI (already on)
01-01 12:31:21.479: D/skia(532): --- SkImageDecoder::Factory returned null
01-01 12:31:21.570: D/AndroidRuntime(532): Shutting down VM
01-01 12:31:21.579: W/dalvikvm(532): threadid=1: thread exiting with uncaught exception (group=0x409961f8)
01-01 12:31:21.589: E/AndroidRuntime(532): FATAL EXCEPTION: main
01-01 12:31:21.589: E/AndroidRuntime(532): java.lang.RuntimeException: Unable to resume activity {com.example.android.accelerometerplay/com.example.android.accelerometerplay.AccelerometerPlayActivity}: java.lang.SecurityException: Neither user 10041 nor current process has android.permission.WAKE_LOCK.
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2443)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2471)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1985)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.ActivityThread.access$600(ActivityThread.java:122)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1146)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.os.Handler.dispatchMessage(Handler.java:99)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.os.Looper.loop(Looper.java:137)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.ActivityThread.main(ActivityThread.java:4340)
01-01 12:31:21.589: E/AndroidRuntime(532): at java.lang.reflect.Method.invokeNative(Native Method)
01-01 12:31:21.589: E/AndroidRuntime(532): at java.lang.reflect.Method.invoke(Method.java:511)
01-01 12:31:21.589: E/AndroidRuntime(532): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
01-01 12:31:21.589: E/AndroidRuntime(532): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
01-01 12:31:21.589: E/AndroidRuntime(532): at dalvik.system.NativeStart.main(Native Method)
01-01 12:31:21.589: E/AndroidRuntime(532): Caused by: java.lang.SecurityException: Neither user 10041 nor current process has android.permission.WAKE_LOCK.
01-01 12:31:21.589: E/AndroidRuntime(532): at android.os.Parcel.readException(Parcel.java:1327)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.os.Parcel.readException(Parcel.java:1281)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.os.IPowerManager$Stub$Proxy.acquireWakeLock(IPowerManager.java:279)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.os.PowerManager$WakeLock.acquireLocked(PowerManager.java:285)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.os.PowerManager$WakeLock.acquire(PowerManager.java:264)
01-01 12:31:21.589: E/AndroidRuntime(532): at com.example.android.accelerometerplay.AccelerometerPlayActivity.onResume(AccelerometerPlayActivity.java:76)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1154)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.Activity.performResume(Activity.java:4539)
01-01 12:31:21.589: E/AndroidRuntime(532): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2433)
01-01 12:31:21.589: E/AndroidRuntime(532): ... 12 more
01-01 12:31:46.929: I/Process(532): Sending signal. PID: 532 SIG: 9




please helpme solving these errors