Logcatです。
どこがエラーになっているのでしょうか
01-14 17:43:49.534 5614-5614/com.example.yui.test1 D/AndroidRuntime: Shutting down VM
--------- beginning of crash
01-14 17:43:49.535 5614-5614/com.example.yui.test1 E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.yui.test1, PID: 5614
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.yui.test1/com.example.yui.test1.Activity3}: java.lang.ArrayIndexOutOfBoundsException: length=0; index=0
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2817)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: java.lang.ArrayIndexOutOfBoundsException: length=0; index=0
at com.example.yui.test1.Activity3.onCreate(Activity3.java:29)
at android.app.Activity.performCreate(Activity.java:6975)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1213)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2770)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
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退会済みユーザー
2019/01/31 11:06
2019/01/31 11:19 編集
退会済みユーザー
2019/01/31 12:00