07-26 21:03:07.148 11962-11962/com.lifeistech.naoto.myapplication_app_contest E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.lifeistech.naoto.myapplication_app_contest, PID: 11962
java.lang.IndexOutOfBoundsException: Invalid index 2, size is 1
at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
at java.util.ArrayList.get(ArrayList.java:308)
at android.widget.ArrayAdapter.getItem(ArrayAdapter.java:344)
at com.lifeistech.naoto.myapplication_app_contest.SetUpActivity$4.onClick(SetUpActivity.java:141)
at android.support.v7.app.AlertController$ButtonHandler.handleMessage(AlertController.java:157)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
halu5071
commented
7 years ago
SetUpActivityの、グループを全体で登録するメソッドにエラーが起きた
07-26 21:03:07.148 11962-11962/com.lifeistech.naoto.myapplication_app_contest E/AndroidRuntime: FATAL EXCEPTION: main Process: com.lifeistech.naoto.myapplication_app_contest, PID: 11962 java.lang.IndexOutOfBoundsException: Invalid index 2, size is 1 at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255) at java.util.ArrayList.get(ArrayList.java:308) at android.widget.ArrayAdapter.getItem(ArrayAdapter.java:344) at com.lifeistech.naoto.myapplication_app_contest.SetUpActivity$4.onClick(SetUpActivity.java:141) at android.support.v7.app.AlertController$ButtonHandler.handleMessage(AlertController.java:157) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5417) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
TwoWordsForSet twoWordsForSet = (TwoWordsForSet)adapter.getItem(i2);
という、エラーメッセジとエラーの原因である。 いろいろ調べてみたが、わからない。 listViewに関連すると再描画するときにエラーが起こることはあるらしい。