小编use*_*687的帖子

我只是尝试通过添加scrollview添加滚动浏览此布局的功能,但每次我尝试加载布局时,我都会收到一条错误,指出"java.lang.IllegalStateException:ScrollView只能托管一个直接子项",我不确定为什么.

任何建议都非常感谢.

资源:

<?xml version="1.0" encoding="UTF-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:layout_weight="1"
    android:orientation="vertical" >

    <RelativeLayout>

        <View
            android:layout_width="1dp"
            android:layout_height="5dp" >
        </View>

        <ScrollView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1" >

            <com.google.android.youtube.player.YouTubePlayerView
                android:id="@+id/youtubeplayerview"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content" />

            <View
                android:layout_width="1dp"
                android:layout_height="5dp" >
            </View>

            <TextView
                android:id="@+id/textView1a"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Isaac Daniel at CNN Anderson Cooper"
                android:textAppearance="?android:attr/textAppearanceMedium" />

            <TextView
                android:id="@+id/textView2a"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="by idconex"
                android:textAppearance="?android:attr/textAppearanceSmall" />

            <TextView
                android:id="@+id/textView3a"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="675,000,000 views"
                android:textAppearance="?android:attr/textAppearanceSmall" />

            <com.google.android.youtube.player.YouTubePlayerView
                android:id="@+id/youtubeplayerview2"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content" />

            <TextView
                android:id="@+id/textView1b"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Rage Against The Machine - Bulls on Parade"
                android:textAppearance="?android:attr/textAppearanceMedium" …

尝试将可滚动导航栏添加到屏幕底部时出现两个错误.我以前从未见过这个错误,到目前为止我找到的答案似乎没有解决我遇到的问题.

错误:

error: No resource identifier found for attribute 'layout_alignParentCenter' in package 'android'   home.xml    /idg/res/layout line 298    Android AAPT Problem
error: No resource identifier found for attribute 'layout_alignParentCenter' in package 'android'   home.xml    /idg/res/layout line 361    Android AAPT Problem

任何输入都非常感谢.

XML来源:

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <!-- The main content view -->

    <LinearLayout
        android:id="@+id/content_frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >

        <!-- The rest of your layout (TextView, ScrollView, etc) -->

    </LinearLayout>

    <!-- The navigation drawer -->

    <ListView
        android:id="@+id/left_drawer"
        android:layout_width="240dp" …