现在,在滚动应用程序时,页面无法平滑滚动并在图像后卡住,然后再次滚动。向上滚动时也会出现同样的情况。
我面临的另一个问题是以编程方式滚动到页面顶部。我能够到达嵌套滚动视图的顶部但是无法通过代码滚动到整个页面的顶部。请帮忙。这是我的布局xml结构:
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:fab="http://schemas.android.com/apk/res-auto"
tools:context=".fragments.InsightsFragment">
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/coordinator_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/background_light"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/main.appbar"
android:layout_width="match_parent"
android:layout_height="300dp"
android:fitsSystemWindows="true"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/main.collapsing"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/main.backdrop"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/dummy_img"
android:contentDescription="@string/insight_image"
android:fitsSystemWindows="true"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/medium_overlay">
</RelativeLayout>
<TextView
android:id="@+id/insight_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:padding="16dp"
android:text="@string/insight_title"
android:textSize="28sp"
android:textStyle="bold" />
<TextView
android:id="@+id/insight_date"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentStart="false"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="false"
android:padding="16dp"
android:text="@string/date" />
<TextView
android:id="@+id/insight_tag"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:background="@color/primary_overlay"
android:padding="16dp"
android:text="@string/tag"
tools:ignore="RelativeOverlap" />
</RelativeLayout>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:id="@+id/nested_scroll_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
tools:text="content"
android:id="@+id/insight_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-light"
android:lineSpacingExtra="6dp"
android:padding="16dp"
android:text="@string/lorem"
android:textSize="16sp" />
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@android:color/darker_gray" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingBottom="60dp">
<RelativeLayout
android:id="@+id/previous_insight"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="16dp">
<TextView
android:id="@+id/previous"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginBottom="6dp"
android:text="@string/previous" />
<TextView
android:id="@+id/previous_insight_title"
android:layout_width="250dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_below="@+id/previous"
android:text="@string/previous_insight_title"
android:textSize="20sp" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_below="@id/previous"
android:contentDescription="@string/left_arrow"
android:src="@drawable/ic_arrow_left" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/next_insight"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="16dp">
<TextView
android:id="@+id/up_next"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginBottom="6dp"
android:text="@string/up_next" />
<TextView
android:id="@+id/next_insight_title"
android:layout_width="250dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_below="@+id/up_next"
android:text="@string/next_insight_title"
android:textColor="@color/colorPrimary"
android:textSize="20sp" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_below="@id/up_next"
android:contentDescription="@string/right_arrow"
android:src="@drawable/ic_arrow_right" />
</RelativeLayout>
</LinearLayout>
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
<com.github.clans.fab.FloatingActionMenu
android:id="@+id/material_design_android_floating_action_menu"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="16dp"
android:paddingEnd="16dp"
android:paddingLeft="0dp"
android:paddingRight="16dp"
android:paddingStart="0dp"
fab:menu_animationDelayPerItem="55"
fab:menu_backgroundColor="@color/white_overlay"
fab:menu_buttonSpacing="0dp"
fab:menu_colorNormal="@color/colorAccent"
fab:menu_colorPressed="@color/colorAccent"
fab:menu_colorRipple="#99d4d4d4"
fab:menu_fab_size="normal"
fab:menu_icon="@drawable/fab_add"
fab:menu_labels_colorNormal="#333"
fab:menu_labels_colorPressed="#444"
fab:menu_labels_colorRipple="#66efecec"
fab:menu_labels_cornerRadius="3dp"
fab:menu_labels_ellipsize="none"
fab:menu_labels_hideAnimation="@anim/fab_slide_out_to_right"
fab:menu_labels_margin="0dp"
fab:menu_labels_maxLines="-1"
fab:menu_labels_padding="8dp"
fab:menu_labels_position="left"
fab:menu_labels_showAnimation="@anim/fab_slide_in_from_right"
fab:menu_labels_showShadow="true"
fab:menu_labels_singleLine="false"
fab:menu_labels_textColor="#f2f1f1"
fab:menu_labels_textSize="15sp"
fab:menu_openDirection="up"
fab:menu_shadowColor="#66aff198"
fab:menu_shadowRadius="4dp"
fab:menu_shadowXOffset="1dp"
fab:menu_shadowYOffset="4dp"
fab:menu_showShadow="false">
<com.github.clans.fab.FloatingActionButton
android:id="@+id/material_design_floating_action_menu_item1"
style="@style/MenuButtonsStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_font_size"
fab:fab_label="Increase font" />
<com.github.clans.fab.FloatingActionButton
android:id="@+id/material_design_floating_action_menu_item2"
style="@style/MenuButtonsStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_favorite"
fab:fab_label="Favorite" />
<com.github.clans.fab.FloatingActionButton
android:id="@+id/material_design_floating_action_menu_item3"
style="@style/MenuButtonsStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_share"
fab:fab_label="Share" />
</com.github.clans.fab.FloatingActionMenu>
</FrameLayout>