로그캣은 다음과 같습니당
03-10 00:25:17.730: D/dalvikvm(943): GC_FOR_ALLOC freed 47K, 4% free 3136K/3252K, paused 178ms, total 180ms
03-10 00:25:17.800: I/dalvikvm-heap(943): Grow heap (frag case) to 4.198MB for 1127536-byte allocation
03-10 00:25:17.950: D/dalvikvm(943): GC_FOR_ALLOC freed 2K, 3% free 4235K/4356K, paused 153ms, total 153ms
03-10 00:25:18.100: D/dalvikvm(943): GC_FOR_ALLOC freed <1K, 3% free 4243K/4356K, paused 23ms, total 23ms
03-10 00:25:18.110: I/dalvikvm-heap(943): Grow heap (frag case) to 4.896MB for 726640-byte allocation
03-10 00:25:18.230: D/dalvikvm(943): GC_FOR_ALLOC freed <1K, 3% free 4952K/5068K, paused 104ms, total 104ms
03-10 00:25:18.290: D/AndroidRuntime(943): Shutting down VM
03-10 00:25:18.290: W/dalvikvm(943): threadid=1: thread exiting with uncaught exception (group=0xb1ad5ba8)
03-10 00:25:18.320: E/AndroidRuntime(943): FATAL EXCEPTION: main
03-10 00:25:18.320: E/AndroidRuntime(943): Process: com.example.second_doit, PID: 943
03-10 00:25:18.320: E/AndroidRuntime(943): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.second_doit/com.example.second_doit.MainActivity}: java.lang.IllegalStateException: ScrollView can host only one direct child
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.ActivityThread.access$800(ActivityThread.java:135)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.os.Handler.dispatchMessage(Handler.java:102)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.os.Looper.loop(Looper.java:136)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.ActivityThread.main(ActivityThread.java:5017)
03-10 00:25:18.320: E/AndroidRuntime(943): at java.lang.reflect.Method.invokeNative(Native Method)
03-10 00:25:18.320: E/AndroidRuntime(943): at java.lang.reflect.Method.invoke(Method.java:515)
03-10 00:25:18.320: E/AndroidRuntime(943): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
03-10 00:25:18.320: E/AndroidRuntime(943): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
03-10 00:25:18.320: E/AndroidRuntime(943): at dalvik.system.NativeStart.main(Native Method)
03-10 00:25:18.320: E/AndroidRuntime(943): Caused by: java.lang.IllegalStateException: ScrollView can host only one direct child
03-10 00:25:18.320: E/AndroidRuntime(943): at android.widget.ScrollView.addView(ScrollView.java:255)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.view.LayoutInflater.rInflate(LayoutInflater.java:759)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.view.LayoutInflater.rInflate(LayoutInflater.java:758)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.view.LayoutInflater.rInflate(LayoutInflater.java:758)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
03-10 00:25:18.320: E/AndroidRuntime(943): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.Activity.setContentView(Activity.java:1929)
03-10 00:25:18.320: E/AndroidRuntime(943): at com.example.second_doit.MainActivity.onCreate(MainActivity.java:23)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.Activity.performCreate(Activity.java:5231)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
03-10 00:25:18.320: E/AndroidRuntime(943): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
03-10 00:25:18.320: E/AndroidRuntime(943): ... 11 more
03-10 00:25:23.980: I/Process(943): Sending signal. PID: 943 SIG: 9
03-10 00:26:37.481: D/dalvikvm(1153): GC_FOR_ALLOC freed 39K, 4% free 3136K/3244K, paused 95ms, total 96ms
03-10 00:26:37.491: I/dalvikvm-heap(1153): Grow heap (frag case) to 4.198MB for 1127536-byte allocation
03-10 00:26:37.701: D/dalvikvm(1153): GC_FOR_ALLOC freed 2K, 3% free 4235K/4348K, paused 142ms, total 142ms