android - styles_base.xml 文件中的错误 - android 应用程序 - 找不到与给定名称匹配的资源 'android:Widget.Material.ActionButton'

Question

好的，我是一名 android 开发的初学者，我刚刚创建了 hello world 应用程序。但它在 appcompat_v7 库的 styles_base.xml 文件中给了我错误。

error: Error retrieving parent for item: No resource found that matches the given name 'android:Widget.Material.ActionButton'. styles_base.xml /appcompat_v7/res/values-v21
AAPT Problem

我该如何处理这个错误？另外，当我不想要它时，为什么要使用 appcompat_v7 库？我的意思是如何在不使用 appcompat_v7 库的情况下创建 hello world 应用程序？

这是给出上述错误的 styles_base.xml 文件。

<resources>

<!-- Like in themes_base.xml, the namespace "*.AppCompat.Base" is used to
 define base styles for the platform version. The "*.AppCompat"
 variants are for direct use or use as parent styles by the app. -->
<eat-comment/>

<style name="Base.Widget.AppCompat.ActionBar.TabView"
       parent="android:Widget.Material.ActionBar.TabView">
</style>

<style name="Base.Widget.AppCompat.Light.ActionBar.TabView"
       parent="android:Widget.Material.Light.ActionBar.TabView">
</style>

<style name="Base.Widget.AppCompat.ActionBar.TabText"
       parent="android:Widget.Material.ActionBar.TabText">
</style>

<style name="Base.Widget.AppCompat.Light.ActionBar.TabText"
       parent="android:Widget.Material.Light.ActionBar.TabText">
</style>

<style name="Base.Widget.AppCompat.Light.ActionBar.TabText.Inverse"
       parent="android:Widget.Material.Light.ActionBar.TabText">
</style>

<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Menu"
       parent="android:TextAppearance.Material.Widget.ActionBar.Menu">
</style>

<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Title"
       parent="android:TextAppearance.Material.Widget.ActionBar.Title">
</style>

<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Subtitle"
       parent="android:TextAppearance.Material.Widget.ActionBar.Subtitle">
</style>

<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Title.Inverse"
       parent="android:TextAppearance.Material.Widget.ActionBar.Title.Inverse">
</style>

<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Subtitle.Inverse"
       parent="android:TextAppearance.Material.Widget.ActionBar.Subtitle.Inverse">
</style>

<style name="Base.TextAppearance.AppCompat.Widget.ActionMode.Title"
       parent="android:TextAppearance.Material.Widget.ActionMode.Title">
</style>

<style name="Base.TextAppearance.AppCompat.Widget.ActionMode.Subtitle"
       parent="android:TextAppearance.Material.Widget.ActionMode.Subtitle">
</style>

<!-- Action Button Styles -->

<style name="Base.Widget.AppCompat.ActionButton"
       parent="android:Widget.Material.ActionButton">
</style>

<style name="Base.Widget.AppCompat.ActionButton.CloseMode"
       parent="android:Widget.Material.ActionButton.CloseMode">
</style>

<style name="Base.Widget.AppCompat.ActionButton.Overflow"
       parent="android:Widget.Material.ActionButton.Overflow">
</style>

<!--
    Widget.AppCompat.Toolbar style is purposely ommitted. This is because the support
    Toolbar implementation is used on ALL platforms and relies on the unbundled attrs.
    The supporting Toolbar styles below only use basic attrs so work fine.
-->

<style name="Base.Widget.AppCompat.Toolbar.Button.Navigation"
       parent="android:Widget.Material.Toolbar.Button.Navigation">
</style>

<style name="Base.TextAppearance.Widget.AppCompat.Toolbar.Title"
       parent="android:TextAppearance.Material.Widget.ActionBar.Title">
</style>

<style name="Base.TextAppearance.Widget.AppCompat.Toolbar.Subtitle"
       parent="android:TextAppearance.Material.Widget.ActionBar.Subtitle">
</style>

<!-- Spinner Widgets -->

<style name="Base.Widget.AppCompat.ListView.DropDown"
       parent="android:Widget.Material.ListView.DropDown"/>

<style name="Base.Widget.AppCompat.DropDownItem.Spinner"
       parent="android:Widget.Material.DropDownItem.Spinner"/>

<style name="Base.Widget.AppCompat.Spinner" parent="android:Widget.Material.Spinner" />

<style name="Base.Widget.AppCompat.Spinner.DropDown.ActionBar" parent="android:Widget.Material.Spinner">
    <item name="spinnerMode">dropdown</item>
    <item name="disableChildrenWhenDisabled">true</item>
    <item name="popupPromptView">@layout/abc_simple_dropdown_hint</item>
</style>

<style name="Base.Widget.AppCompat.ListView.Menu"
       parent="android:Widget.Material.ListView" />

<!-- Popup Menu -->

<style name="Base.Widget.AppCompat.ListPopupWindow" parent="android:Widget.Material.ListPopupWindow">
</style>

<style name="Base.Widget.AppCompat.PopupMenu" parent="android:Widget.Material.PopupMenu">
</style>

<style name="Base.Widget.AppCompat.Light.PopupMenu"
    parent="android:Widget.Material.Light.PopupMenu">
</style>

<style name="Base.Widget.AppCompat.PopupMenu.Overflow">
    <item name="android:dropDownHorizontalOffset">-4dip</item>
    <item name="android:overlapAnchor">true</item>
</style>

<style name="Base.Widget.AppCompat.Light.PopupMenu.Overflow">
    <item name="android:dropDownHorizontalOffset">-4dip</item>
    <item name="android:overlapAnchor">true</item>
</style>

<style name="Base.TextAppearance.AppCompat.Widget.PopupMenu.Large"
    parent="android:TextAppearance.Material.Widget.PopupMenu.Large">
</style>

<style name="Base.TextAppearance.AppCompat.Widget.PopupMenu.Small"
    parent="android:TextAppearance.Material.Widget.PopupMenu.Small">
</style>

<style name="Base.TextAppearance.AppCompat.Light.Widget.PopupMenu.Large"
    parent="android:TextAppearance.Material.Widget.PopupMenu.Large">
</style>

<style name="Base.TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
    parent="android:TextAppearance.Material.Widget.PopupMenu.Small">
</style>

<!-- Search View result styles -->

<style name="Base.TextAppearance.AppCompat.SearchResult.Title"
       parent="@android:TextAppearance.Material.SearchResult.Title">
</style>

<style name="Base.TextAppearance.AppCompat.SearchResult.Subtitle"
       parent="@android:TextAppearance.Material.SearchResult.Subtitle">
</style>

<style name="Base.Widget.AppCompat.AutoCompleteTextView" parent="android:Widget.Material.AutoCompleteTextView" />

<style name="Base.Widget.AppCompat.Light.AutoCompleteTextView" parent="android:Widget.Material.AutoCompleteTextView" />

<!-- Progress Bar -->

<style name="Base.Widget.AppCompat.ProgressBar.Horizontal"
       parent="android:Widget.Material.ProgressBar.Horizontal">
</style>

<style name="Base.Widget.AppCompat.ProgressBar"
       parent="android:Widget.Material.ProgressBar">
</style>

<!-- TODO. Needs updating for Material -->
<style name="Base.Widget.AppCompat.ActivityChooserView" parent="">
    <item name="android:gravity">center</item>
    <item name="android:background">@drawable/abc_ab_share_pack_holo_dark</item>
    <item name="android:divider">?attr/dividerVertical</item>
    <item name="android:showDividers">middle</item>
    <item name="android:dividerPadding">6dip</item>
</style>

这是我正在使用的代码:

public class MainActivity extends Activity {

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
   }
}

Answer 1

转到您的 Android SDK 安装目录，然后进入 extras > android > support > v7 > appcompat。

在我的情况下:D:\Software\adt-bundle-windows-x86-20140702\sdk\extras\android\support\v7\appcompat

进入 appcompat 文件夹后，检查 project.properties 文件，然后将值从默认的 19 更改为 21:

target=android-21.

保存文件，然后刷新您的项目。

然后清理项目:在项目选项卡中，选择清理选项，然后选择您的项目并清理...

这将解决错误。如果不是，请确保您的项目也以 API 21 或更高版本为目标(与以前的步骤相同，并且在升级针对旧版本的项目时很容易忘记)。享受编码...