Allow Android Map to scroll when within an scrollable container

layout.xml

(...)

<fragment
          (...)
            android:id="@+id/fragment_map"
            android:name="com.stackoverflow.aswer.OnScrollableContainerMapFragment"
            android:tag="team_details_info_fragment_map" />
(...)

MyFragment.java

(...)
mSupportMapFragment = (OnScrollableContainerMapFragment) getChildFragmentManager()
        .findFragmentById(R.id.fragment_map);
        
        mSupportMapFragment
        .setOnTouchListener(new OnScrollableContainerMapFragment.OnTouchListener() {
          @Override
          public void onStartScrollingMap() {
            mScrollView.requestDisallowInterceptTouchEvent(true);
          }

          @Override
          public void onStopScrollingMap() {
            mScrollView.requestDisallowInterceptTouchEvent(false);
          }
        });
(...)

OnScrollableContainerMapFragment.java

import android.content.Context;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.content.ContextCompat;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import com.google.android.gms.maps.SupportMapFragment;

public class OnScrollableContainerMapFragment extends SupportMapFragment {

  private OnTouchListener mOnTouchListener;

  @Override
  public View onCreateView(
      LayoutInflater layoutInflater,
      ViewGroup viewGroup,
      Bundle savedInstance
  ) {
    final View mapView = super.onCreateView(layoutInflater, viewGroup, savedInstance);

    if (mapView != null) {
      ((ViewGroup) mapView).addView(
          new TouchableWrapper(getActivity()),
          new ViewGroup.LayoutParams(
              ViewGroup.LayoutParams.MATCH_PARENT,
              ViewGroup.LayoutParams.MATCH_PARENT
          )
      );
    }

    return mapView;
  }

  public void setOnTouchListener(@NonNull final OnTouchListener onTouchListener) {
    mOnTouchListener = onTouchListener;
  }

  public interface OnTouchListener {

    void onStartScrollingMap();

    void onStopScrollingMap();
  }

  private class TouchableWrapper extends FrameLayout {

    public TouchableWrapper(@NonNull final Context context) {
      super(context);
      setBackgroundColor(ContextCompat.getColor(context, android.R.color.transparent));
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent event) {
      switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
          mOnTouchListener.onStartScrollingMap();
          break;
        case MotionEvent.ACTION_UP:
          mOnTouchListener.onStopScrollingMap();
          break;
      }
      return super.dispatchTouchEvent(event);
    }
  }

}