在'android'包中找不到屬性'paddingEnd'的資源標識符

Question

我在v17 / mr-media_route_list_item.xml中遇到了XMl文件的問題。

我一直收到這個錯誤，還沒有找到解決方案！

這是XML和問題的打印照片 *

以下XML代碼：

    <?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2013 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="?android:attr/listPreferredItemHeight"
              android:gravity="center_vertical">

    <LinearLayout android:layout_width="0dp"
                  android:layout_height="match_parent"
                  android:layout_weight="1"
                  android:orientation="vertical"
                  android:gravity="start|center_vertical"
                  android:paddingStart="?android:attr/listPreferredItemPaddingStart"
                  android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
                  android:duplicateParentState="true">

        <TextView android:id="@android:id/text1"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:singleLine="true"
                  android:ellipsize="marquee"
                  android:textAppearance="?android:attr/textAppearanceMedium"
                  android:duplicateParentState="true" />

        <TextView android:id="@android:id/text2"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:singleLine="true"
                  android:ellipsize="marquee"
                  android:textAppearance="?android:attr/textAppearanceSmall"
                  android:duplicateParentState="true" />
    </LinearLayout>

</LinearLayout>

Answer 1

在API級別17中添加了android:paddingStart和android:paddingEnd 。您的構建目標（例如，項目>屬性> Eclipse中的Android）將需要是API級別17或更高級別才能被識別。