Question

我有这个观点我希望将Nvigation抽屉与Google Play商店的卡片视图相结合，但我的卡片没有显示。我做错了什么？这是我的activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout 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/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:openDrawer="start">

    <include
        layout="@layout/app_bar_main"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <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/main_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@android:color/white"
        android:fitsSystemWindows="true">

        <android.support.design.widget.AppBarLayout
            android:id="@+id/appbar"
            android:layout_width="match_parent"
            android:layout_height="@dimen/detail_backdrop_height"
            android:fitsSystemWindows="true"
            android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

            <android.support.design.widget.CollapsingToolbarLayout
                android:id="@+id/collapsing_toolbar"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:fitsSystemWindows="true"
                app:contentScrim="?attr/colorPrimary"
                app:expandedTitleMarginEnd="64dp"
                app:expandedTitleMarginStart="48dp"
                app:expandedTitleTextAppearance="@android:color/transparent"
                app:layout_scrollFlags="scroll|exitUntilCollapsed">

                <RelativeLayout
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content">

                    <ImageView
                        android:id="@+id/backdrop"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:fitsSystemWindows="true"
                        android:scaleType="centerCrop"
                        app:layout_collapseMode="parallax" />

                    <LinearLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerInParent="true"
                        android:gravity="center_horizontal"
                        android:orientation="vertical">

                        <TextView
                            android:id="@+id/love_music"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="@string/backdrop_title"
                            android:textColor="@android:color/white"
                            android:textSize="@dimen/backdrop_title" />

                        <TextView
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="@string/backdrop_subtitle"
                            android:textColor="@android:color/white"
                            android:textSize="@dimen/backdrop_subtitle" />

                    </LinearLayout>
                </RelativeLayout>

                <android.support.v7.widget.Toolbar
                    android:id="@+id/toolbar"
                    android:layout_width="match_parent"
                    android:layout_height="?attr/actionBarSize"
                    app:layout_collapseMode="pin"
                    app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />

            </android.support.design.widget.CollapsingToolbarLayout>

        </android.support.design.widget.AppBarLayout>

        <include layout="@layout/content_main" />

    </android.support.design.widget.CoordinatorLayout>

    <android.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_marginTop="?attr/actionBarSize"
        android:layout_gravity="start"
        android:fitsSystemWindows="true"
        app:headerLayout="@layout/nav_header_main"
        app:menu="@menu/activity_main_drawer" />

</android.support.v4.widget.DrawerLayout>

我需要您帮助确定问题的位置，以便我可以获得Google PlayStore的视图或任何示例链接。谢谢

Answer 1

我修好了。这是关于布局管理器和GridLayoutManager的。感谢

卡片未显示Coordinatorlayout，DrawerLayout

1 个答案: