아래 이미지는 저의 앱 레이아웃이구요

사용자가 위의 예시문을 입력후 엔터버튼을 누르면 다음 예시문이 보이게 되는 간단한 앱입니다.

문제는 엔터버튼을 누르면 프로세스가 죽는데

다음과 같은 경고를 보이면서 죽어버리게 되네요 ㅠㅠ

혹시 이유를 아시는 분이 계신가요? ㅠㅠㅠㅠㅠㅠ

09-04 21:57:33.229: W/dalvikvm(19031): threadid=1: thread exiting with uncaught exception (group=0x40fd59d8)

09-04 21:57:33.239: E/AndroidRuntime(19031): FATAL EXCEPTION: main

09-04 21:57:33.239: E/AndroidRuntime(19031): java.lang.IndexOutOfBoundsException: getChars (-1 ... 0) starts before 0

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.text.SpannableStringBuilder.checkRange(SpannableStringBuilder.java:951)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.text.SpannableStringBuilder.getChars(SpannableStringBuilder.java:839)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.text.TextUtils.getChars(TextUtils.java:70)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.text.SpannableStringBuilder.<init>(SpannableStringBuilder.java:58)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.text.SpannableStringBuilder.subSequence(SpannableStringBuilder.java:831)

09-04 21:57:33.239: E/AndroidRuntime(19031): at com.Activity$1.onTextChanged(Activity.java:624)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.widget.TextView.sendOnTextChanged(TextView.java:7694)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.widget.TextView.setText(TextView.java:3354)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.widget.TextView.setText(TextView.java:3207)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.widget.EditText.setText(EditText.java:150)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.widget.TextView.setText(TextView.java:3182)

09-04 21:57:33.239: E/AndroidRuntime(19031): at com.Activity$3.onClick(Activity.java:320)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.view.View.performClick(View.java:3521)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.view.View$PerformClick.run(View.java:14182)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.os.Handler.handleCallback(Handler.java:605)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.os.Handler.dispatchMessage(Handler.java:92)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.os.Looper.loop(Looper.java:137)

09-04 21:57:33.239: E/AndroidRuntime(19031): at android.app.ActivityThread.main(ActivityThread.java:4464)

09-04 21:57:33.239: E/AndroidRuntime(19031): at java.lang.reflect.Method.invokeNative(Native Method)

09-04 21:57:33.239: E/AndroidRuntime(19031): at java.lang.reflect.Method.invoke(Method.java:511)

09-04 21:57:33.239: E/AndroidRuntime(19031): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)

09-04 21:57:33.239: E/AndroidRuntime(19031): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:558)

09-04 21:57:33.239: E/AndroidRuntime(19031): at dalvik.system.NativeStart.main(Native Method)