Logcat にアプリのクラッシュの原因となるエラーがありますが、エラーが発生している行やエラーの正確な内容を特定する方法がわかりません。これが私の LogCat です。誰かが問題を教えてくれることを願っています。
07-16 15:37:49.255: E/AndroidRuntime(21545): FATAL EXCEPTION: main
07-16 15:37:49.255: E/AndroidRuntime(21545): java.lang.NullPointerException
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.ListView.measureScrapChild(ListView.java:1163)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.ListView.measureHeightOfChildren(ListView.java:1294)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.ListView.onMeasure(ListView.java:1155)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4706)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1369)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.LinearLayout.measureVertical(LinearLayout.java:660)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.LinearLayout.onMeasure(LinearLayout.java:553)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.RelativeLayout.measureChild(RelativeLayout.java:579)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:392)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4706)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1369)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1017)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.LinearLayout.onMeasure(LinearLayout.java:555)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4706)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.LinearLayout.measureVertical(LinearLayout.java:812)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.LinearLayout.onMeasure(LinearLayout.java:553)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4706)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4706)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)
07-16 15:37:49.255: E/AndroidRuntime(21545): at com.navdrawer.SimpleSideDrawer.onMeasure(SimpleSideDrawer.java:443)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4706)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)
07-16 15:37:49.255: E/AndroidRuntime(21545): at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2162)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.View.measure(View.java:13011)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1091)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2505)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.os.Handler.dispatchMessage(Handler.java:99)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.os.Looper.loop(Looper.java:154)
07-16 15:37:49.255: E/AndroidRuntime(21545): at android.app.ActivityThread.main(ActivityThread.java:4945)
07-16 15:37:49.255: E/AndroidRuntime(21545): at java.lang.reflect.Method.invokeNative(Native Method)
07-16 15:37:49.255: E/AndroidRuntime(21545): at java.lang.reflect.Method.invoke(Method.java:511)
07-16 15:37:49.255: E/AndroidRuntime(21545): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
07-16 15:37:49.255: E/AndroidRuntime(21545): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
07-16 15:37:49.255: E/AndroidRuntime(21545): at dalvik.system.NativeStart.main(Native Method)