안드로이드 오류점 봐주세요 ㅠ

Question

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.project.bots.playhealth/com.project.bots.playhealth.Stopwatch}: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.project.bots.playhealth/com.project.bots.playhealth.Testing}: java.lang.NullPointerException
   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2110)
   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2135)
   at android.app.ActivityThread.access$700(ActivityThread.java:143)
   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1241)
   at android.os.Handler.dispatchMessage(Handler.java:99)
   at android.os.Looper.loop(Looper.java:137)
   at android.app.ActivityThread.main(ActivityThread.java:4950)
   at java.lang.reflect.Method.invokeNative(Native Method)
   at java.lang.reflect.Method.invoke(Method.java:511)
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:997)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:764)
   at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.project.bots.playhealth/com.project.bots.playhealth.Testing}: java.lang.NullPointerException
   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2110)
   at android.app.ActivityThread.startActivityNow(ActivityThread.java:1951)
   at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:135)
   at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:347)
   at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:704)
   at android.widget.TabHost.setCurrentTab(TabHost.java:368)
   at android.widget.TabHost.addTab(TabHost.java:246)
   at com.project.bots.playhealth.Stopwatch.setupTabs(Stopwatch.java:52)
   at com.project.bots.playhealth.Stopwatch.onCreate(Stopwatch.java:36)
   at android.app.Activity.performCreate(Activity.java:5177)
   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2074)
   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2135) 
   at android.app.ActivityThread.access$700(ActivityThread.java:143) 
   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1241) 
   at android.os.Handler.dispatchMessage(Handler.java:99) 
   at android.os.Looper.loop(Looper.java:137) 
   at android.app.ActivityThread.main(ActivityThread.java:4950) 
   at java.lang.reflect.Method.invokeNative(Native Method) 
   at java.lang.reflect.Method.invoke(Method.java:511) 
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:997) 
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:764) 
   at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.NullPointerException
   at com.project.bots.playhealth.Testing.onCreate(Testing.java:82)
   at android.app.Activity.performCreate(Activity.java:5177)
   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2074)
   at android.app.ActivityThread.startActivityNow(ActivityThread.java:1951) 
   at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:135) 
   at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:347) 
   at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:704) 
   at android.widget.TabHost.setCurrentTab(TabHost.java:368) 
   at android.widget.TabHost.addTab(TabHost.java:246) 
   at com.project.bots.playhealth.Stopwatch.setupTabs(Stopwatch.java:52) 
   at com.project.bots.playhealth.Stopwatch.onCreate(Stopwatch.java:36) 
   at android.app.Activity.performCreate(Activity.java:5177) 
   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094) 
   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2074) 
   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2135) 
   at android.app.ActivityThread.access$700(ActivityThread.java:143) 
   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1241) 
   at android.os.Handler.dispatchMessage(Handler.java:99) 
   at android.os.Looper.loop(Looper.java:137) 
   at android.app.ActivityThread.main(ActivityThread.java:4950) 
   at java.lang.reflect.Method.invokeNative(Native Method) 
   at java.lang.reflect.Method.invoke(Method.java:511) 
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:997) 
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:764) 
   at dalvik.system.NativeStart.main(Native Method) 

 

제가 실험하느라 안드로이드 폰만 3개인데, 폰 2개는 정상적으로 잘 되고, 하나는 위의 에러가 뜹니다.

이 오류가 왜 뜨는 걸까요?

Answer 1

Testing.java:82번째 줄 널포인트 익셉션이네요.

마시멜로 퍼미션 체크 하셨나요?

Comments

퍼미션이 무엇인가요..? 제가 아직 초보라.. 잘 모르겠습니다.

---

http://gun0912.tistory.com/55