我的項目只有一個AppBarLayout環繞的工具欄,它下面還有一個NestedScrollView控件,它有一個CardView佈局,包含線性佈局。沒有問題是嵌套滾動重疊,這樣我在圖像顯示 嵌套的scrollView無法識別工具欄
,並在運行時它通過應用程序的工具欄好像有這樣的沒有工具欄:
這是我的代碼:
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app= "http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<android.support.design.widget.AppBarLayout
android:id="@+id/appbarLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true"
>
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/colorPrimary"
android:elevation="7dp"
app:theme="@style/ThemeOverlay.AppCompat"
android:popupTheme="@style/ThemeOverlay.AppCompat.Light"
android:titleTextColor="@color/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
></android.support.v7.widget.Toolbar>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:nestedScrollingEnabled="true"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingTop="10dp"
>
<include layout="@layout/scroll_view_item" />
<include layout="@layout/scroll_view_item" />
<include layout="@layout/scroll_view_item" />
<include layout="@layout/scroll_view_item" />
<include layout="@layout/scroll_view_item" />
<include layout="@layout/scroll_view_item" />
<include layout="@layout/scroll_view_item" />
<include layout="@layout/scroll_view_item" />
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
SCR oll_view_item代碼在這裏:
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="16dp"
android:elevation="5dp"
app:cardCornerRadius="5dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="15dp"
android:orientation="vertical"
>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Dummy Header"
android:textColor="@android:color/holo_red_light"
android:textSize="20sp"
android:textStyle="bold"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:text="@string/app_text"
/>
</LinearLayout>
</android.support.v7.widget.CardView>
只是一個評論:工具欄上不推薦使用'app:theme'。使用'android:theme',它甚至可以在較低的android版本上運行。 – pdegand59