java.lang.RuntimeException

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  • 若者からの依頼 - /var/log/messages
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  • Call IF condition inside AsyncTask
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    • java.lang.RuntimeException: Unable to start activity ComponentInfo{jp.itfrogs.inh/jp.itfrogs.inh.TestBluetooth}: java.lang.NullPointerException: println needs a message at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417) at android.app.ActivityThread.access$2100(ActivityThread.java:116) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4203) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.NullPointerException: println needs a message at android.util.Log.println(Native Method) at android.util.Log.d(Log.java:115) at jp.itfrogs.inh.TestBluetooth.onCreate(TestBluetooth.java:73) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364) ... 11 more

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