hcp-pad/moca/src/main/res/navigation/nav_moca.xml

<?xml version="1.0" encoding="utf-8"?>
<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/nav_moca"
    app:startDestination="@id/alternatingconnectionFragment"
    tools:ignore="ResourceName">

    <fragment
        android:id="@+id/alternatingconnectionFragment"
        android:name="com.yingyangfly.moca.alternatingconnection.AlternatingConnectionFragment"
        android:label="alternatingconnectionFragment"
        tools:layout="@layout/fragment_alternating_connection">

        <action
            android:id="@+id/action_alternatingconnectionFragment_to_signatureFragment"
            app:destination="@id/signatureFragment" />

    </fragment>

    <fragment
        android:id="@+id/signatureFragment"
        android:name="com.yingyangfly.moca.signature.SignatureFragment"
        android:label="signatureFragment">

        <action
            android:id="@+id/action_signatureFragment_to_alternatingconnectionFragment"
            app:destination="@id/alternatingconnectionFragment" />

        <action
            android:id="@+id/action_signatureFragment_to_designsChoiceFragment"
            app:destination="@id/designsChoiceFragment" />

    </fragment>

    <fragment
        android:id="@+id/designsChoiceFragment"
        android:name="com.yingyangfly.moca.signature.DesignsChoiceFragment"
        android:label="designsChoiceFragment">

        <action
            android:id="@+id/action_designsChoiceFragment_to_signatureFragment"
            app:destination="@id/signatureFragment" />

        <action
            android:id="@+id/action_designsChoiceFragment_to_drawDesignFragment"
            app:destination="@id/drawDesignFragment" />

    </fragment>


    <fragment
        android:id="@+id/drawDesignFragment"
        android:name="com.yingyangfly.moca.drawdesign.DrawDesignFragment"
        android:label="drawDesignFragment">

        <action
            android:id="@+id/action_drawDesignFragment_to_designsChoiceFragment"
            app:destination="@id/designsChoiceFragment" />

        <action
            android:id="@+id/action_drawDesignFragment_to_verifyAnswersFragment"
            app:destination="@id/verifyAnswersFragment" />

    </fragment>

    <fragment
        android:id="@+id/verifyAnswersFragment"
        android:name="com.yingyangfly.moca.drawdesign.VerifyAnswersFragment"
        android:label="verifyAnswersFragment">

        <action
            android:id="@+id/action_verifyAnswersFragment_to_drawDesignFragment"
            app:destination="@id/drawDesignFragment" />

        <action
            android:id="@+id/action_verifyAnswersFragment_to_identifyPictureFragment"
            app:destination="@id/identifyPictureFragment" />

    </fragment>

    <fragment
        android:id="@+id/identifyPictureFragment"
        android:name="com.yingyangfly.moca.identify.IdentifyPictureFragment"
        android:label="identifyPictureFragment">

        <action
            android:id="@+id/action_identifyPictureFragment_to_verifyAnswersFragment"
            app:destination="@id/verifyAnswersFragment" />

        <action
            android:id="@+id/action_identifyPictureFragment_to_identifyResultFragment"
            app:destination="@id/identifyResultFragment" />

    </fragment>

    <fragment
        android:id="@+id/identifyResultFragment"
        android:name="com.yingyangfly.moca.identify.IdentifyResultFragment"
        android:label="identifyResultFragment">

        <action
            android:id="@+id/action_identifyResultFragment_to_identifyPictureFragment"
            app:destination="@id/identifyPictureFragment" />

        <action
            android:id="@+id/action_identifyResultFragment_to_listenRecordFragment"
            app:destination="@id/listenRecordFragment" />

    </fragment>

    <fragment
        android:id="@+id/listenRecordFragment"
        android:name="com.yingyangfly.moca.record.ListenRecordFragment"
        android:label="listenRecordFragment">

        <action
            android:id="@+id/action_listenRecordFragment_to_identifyResultFragment"
            app:destination="@id/identifyResultFragment" />

        <action
            android:id="@+id/action_listenRecordFragment_to_recordResultFragment"
            app:destination="@id/recordResultFragment" />

    </fragment>

    <fragment
        android:id="@+id/recordResultFragment"
        android:name="com.yingyangfly.moca.record.RecordResultFragment"
        android:label="recordResultFragment">

        <action
            android:id="@+id/action_recordResultFragment_to_listenRecordFragment"
            app:destination="@id/listenRecordFragment" />

        <action
            android:id="@+id/action_recordResultFragment_to_memorizeNumbersFragment"
            app:destination="@id/memorizeNumbersFragment" />

    </fragment>

    <fragment
        android:id="@+id/memorizeNumbersFragment"
        android:name="com.yingyangfly.moca.memorizenumbers.MemorizeNumbersFragment"
        android:label="memorizeNumbersFragment">

        <action
            android:id="@+id/action_memorizeNumbersFragment_to_recordResultFragment"
            app:destination="@id/recordResultFragment" />

        <action
            android:id="@+id/action_memorizeNumbersFragment_to_memorizeResultFragment"
            app:destination="@id/memorizeResultFragment" />

        <action
            android:id="@+id/action_memorizeNumbersFragment_to_numberRecordsFragment"
            app:destination="@id/numberRecordsFragment" />

    </fragment>

    <fragment
        android:id="@+id/memorizeResultFragment"
        android:name="com.yingyangfly.moca.memorizenumbers.MemorizeResultFragment"
        android:label="memorizeResultFragment">

        <action
            android:id="@+id/action_memorizeResultFragment_to_memorizeNumbersFragment"
            app:destination="@id/memorizeNumbersFragment" />

    </fragment>

    <fragment
        android:id="@+id/numberRecordsFragment"
        android:name="com.yingyangfly.moca.numberrecords.NumberRecordsFragment"
        android:label="numberRecordsFragment">

        <action
            android:id="@+id/action_numberRecordsFragment_to_memorizeNumbersFragment"
            app:destination="@id/memorizeNumbersFragment" />

        <action
            android:id="@+id/action_numberRecordsFragment_to_computationFragment"
            app:destination="@id/computationFragment" />

    </fragment>

    <fragment
        android:id="@+id/computationFragment"
        android:name="com.yingyangfly.moca.omputation.ComputationFragment"
        android:label="computationFragment">

        <action
            android:id="@+id/action_computationFragment_to_numberRecordsFragment"
            app:destination="@id/numberRecordsFragment" />

    </fragment>


</navigation>