Android crash: java.lang.IllegalStateException: Reply already submitted

[zhpoo]

What did you do?

Click button and call

final LoginResult result = await LineSDK.instance.login(
        scopes: ["profile", "openid", "email"],
      );

and press Back button of android device quickly.

What did you expect?

Cancel the login-request.

What happened actually?

Crash.

Your environment?

flutter_Line_sdk-1.2.6
android os 8.1.0

[zhpoo]

java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=8192, result=0, data=null} to activity {com.***/com.***.MainActivity}: java.lang.IllegalStateException: Reply already submitted at android.app.ActivityThread.deliverResults(ActivityThread.java:4774) at android.app.ActivityThread.handleSendResult(ActivityThread.java:4818) at android.app.ActivityThread.-wrap20(Unknown Source:0) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1844) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:167) at android.app.ActivityThread.main(ActivityThread.java:7146) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:820) Caused by: java.lang.IllegalStateException: Reply already submitted at io.flutter.embedding.engine.dart.DartMessenger$Reply.reply(DartMessenger.java:148) at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler$1.error(MethodChannel.java:239) at com.linecorp.flutter_line_sdk.LineSdkWrapper.handleActivityResult(LineSdkWrapper.kt:143) at com.linecorp.flutter_line_sdk.FlutterLineSdkPlugin.onActivityResult(FlutterLineSdkPlugin.kt:56) at io.flutter.app.FlutterPluginRegistry.onActivityResult(FlutterPluginRegistry.java:204) at io.flutter.app.FlutterActivityDelegate.onActivityResult(FlutterActivityDelegate.java:131) at io.flutter.app.FlutterActivity.onActivityResult(FlutterActivity.java:142) at android.app.Activity.dispatchActivityResult(Activity.java:7553) at android.app.ActivityThread.deliverResults(ActivityThread.java:4770) at android.app.ActivityThread.handleSendResult(ActivityThread.java:4818)  at android.app.ActivityThread.-wrap20(Unknown Source:0)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1844)  at android.os.Handler.dispatchMessage(Handler.java:106)  at android.os.Looper.loop(Looper.java:167)  at android.app.ActivityThread.main(ActivityThread.java:7146)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:820) 

[onevcat]

@tsairene Any idea on this?