Android Failed to handle method call

[sheatming]

E/MethodChannel#majascan( 3947): Failed to handle method call
E/MethodChannel#majascan( 3947): android.content.ActivityNotFoundException: Unable to find explicit activity class {cc.x.mch/com.djgeo.majascan.g_scanner.QrCodeScannerActivity}; have you declared this activity in your AndroidManifest.xml?
E/MethodChannel#majascan( 3947): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:2005)
E/MethodChannel#majascan( 3947): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1673)
E/MethodChannel#majascan( 3947): at android.app.Activity.startActivityForResult(Activity.java:4586)
E/MethodChannel#majascan( 3947): at android.app.Activity.startActivityForResult(Activity.java:4544)
E/MethodChannel#majascan( 3947): at com.djgeo.majascan.MajascanPlugin.onMethodCall(MajascanPlugin.kt:42)
E/MethodChannel#majascan( 3947): at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:201)
E/MethodChannel#majascan( 3947): at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:88)
E/MethodChannel#majascan( 3947): at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:219)
E/MethodChannel#majascan( 3947): at android.os.MessageQueue.nativePollOnce(Native Method)
E/MethodChannel#majascan( 3947): at android.os.MessageQueue.next(MessageQueue.java:326)
E/MethodChannel#majascan( 3947): at android.os.Looper.loop(Looper.java:160)
E/MethodChannel#majascan( 3947): at android.app.ActivityThread.main(ActivityThread.java:6669)
E/MethodChannel#majascan( 3947): at java.lang.reflect.Method.invoke(Native Method)
E/MethodChannel#majascan( 3947): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
E/MethodChannel#majascan( 3947): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
E/flutter ( 3947): [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: PlatformException(error, Unable to find explicit activity class {cc.x.mch/com.djgeo.majascan.g_scanner.QrCodeScannerActivity}; have you declared this activity in your AndroidManifest.xml?, null)
E/flutter ( 3947): #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:564:7)
E/flutter ( 3947): #1 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:302:33)
E/flutter ( 3947):
E/flutter ( 3947): #2 MajaScan.startScan (package:majascan/majascan.dart:31:42)
E/flutter ( 3947):
E/flutter ( 3947): #3 HoneState.build. (package:mch/app/pages/home/view.dart:275:118)
E/flutter ( 3947):
E/flutter ( 3947): #4 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:166:24)
E/flutter ( 3947): #5 TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:240:9)
E/flutter ( 3947): #6 TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:177:9)
E/flutter ( 3947): #7 PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:436:9)
E/flutter ( 3947): #8 PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:73:12)
E/flutter ( 3947): #9 PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:101:11)
E/flutter ( 3947): #10 _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:221:19)
E/flutter ( 3947): #11 _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:199:22)
E/flutter ( 3947): #12 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:156:7)
E/flutter ( 3947): #13 _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:102:7)
E/flutter ( 3947): #14 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:86:7)
E/flutter ( 3947): #15 _rootRunUnary (dart:async/zone.dart:1136:13)
E/flutter ( 3947): #16 _CustomZone.runUnary (dart:async/zone.dart:1029:19)
E/flutter ( 3947): #17 _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)
E/flutter ( 3947): #18 _invoke1 (dart:ui/hooks.dart:233:10)
E/flutter ( 3947): #19 _dispatchPointerDataPacket (dart:ui/hooks.dart:154:5)
E/flutter ( 3947):

`

    <activity android:name="com.djgeo.majascan.g_scanner.QrCodeScannerActivity"/>

`

[sheatming]

<activity android:name=".MainActivity" android:launchMode="singleTop" android:theme="@style/LaunchTheme" android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode" android:hardwareAccelerated="true" android:windowSoftInputMode="adjustResize"> <!-- This keeps the window background of the activity showing until Flutter renders its first frame. It can be removed if there is no splash screen (such as the default splash screen defined in @style/LaunchTheme). --> <meta-data android:name="io.flutter.app.android.SplashScreenUntilFirstFrame" android:value="true" /> <intent-filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity>

<activity android:name="com.djgeo.majascan.g_scanner.QrCodeScannerActivity" android:configChanges="orientation" />

[XYZ217522]

Android
For Android, you must do the following before you can use the plugin:

• Add the QrCodeScannerActivity to your AndroidManifest.xml

[legolas237]

I did it but it doesn't work

[saginbajracharya]

dosent work where to Add the QrCodeScannerActivity to your AndroidManifest.xml