我如何使我的底部模式模式可滚动？

Question

我有一个具有这种布局的BottomSheetDialogeFragment。我想滚动整个片段视图而不是只滚动gridview。我尝试了将LinearLayout与scrollview和NestedScrollView嵌套，但是在这两种情况下，模态甚至都不会滑动到顶部。

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:scrollbars="vertical">

    <ImageView
        android:background="@color/colorPrimary"
        android:id="@+id/imageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:srcCompat="@drawable/heart"
        android:scaleType="fitXY"
        android:adjustViewBounds="true"/>

    <GridView
        android:id="@+id/gridView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:stretchMode="columnWidth"
        android:gravity="center"
        android:numColumns="4" />
</LinearLayout>

Answer 1

尝试这个对我有用

   mBottomSheetBehavior.setBottomSheetCallback(new BottomSheetBehavior.BottomSheetCallback() {
      @Override
    public void onStateChanged(@NonNull View bottomSheet, int newState) {
        if (newState == BottomSheetBehavior.STATE_COLLAPSED) {
            mBottomSheetBehavior.setPeekHeight(0);
        }
    }

    @Override
    public void onSlide(@NonNull View bottomSheet, float slideOffset) {
    }
});

 @Override
 public void onClick(View v) {
switch (v.getId()) {
    case R.id.btn_negetive: {
        mBottomSheetBehavior.setState(BottomSheetBehavior.STATE_EXPANDED);
        mBottomSheetBehavior.setPeekHeight(Constants.PEEK_HEIGHT);
        mBottomSheetBehavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
        break;
    }
    case R.id.btn_positive: {
        //some code
    }
  }
 }