可以使用 appcompat v7 库自定义搜索视图。我使用了 appcompat v7 库并为其定义了自定义样式。在drawable文件夹中放置bottom_border.xml文件，如下所示：
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<shape >
<solid android:color="@color/blue_color" />
</shape>
</item>
<item android:bottom="0.8dp"
android:left="0.8dp"
android:right="0.8dp">
<shape >
<solid android:color="@color/background_color" />
</shape>
</item>
<!-- draw another block to cut-off the left and right bars -->
<item android:bottom="2.0dp">
<shape >
<solid android:color="@color/main_accent" />
</shape>
</item>
</layer-list>
在值文件夹 styles_myactionbartheme.xml 中：
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="AppnewTheme" parent="Theme.AppCompat.Light">
<item name="android:windowBackground">@color/background</item>
<item name="android:actionBarStyle">@style/ActionBar</item>
<item name="android:actionBarWidgetTheme">@style/ActionBarWidget</item>
</style>
<!-- Actionbar Theme -->
<style name="ActionBar" parent="Widget.AppCompat.Light.ActionBar.Solid.Inverse">
<item name="android:background">@color/main_accent</item>
<!-- <item name="android:icon">@drawable/abc_ic_ab_back_holo_light</item> -->
</style>
<style name="ActionBarWidget" parent="Theme.AppCompat.Light">
<!-- SearchView customization-->
<!-- Changing the small search icon when the view is expanded -->
<!-- <item name="searchViewSearchIcon">@drawable/ic_action_search</item> -->
<!-- Changing the cross icon to erase typed text -->
<!-- <item name="searchViewCloseIcon">@drawable/ic_action_remove</item> -->
<!-- Styling the background of the text field, i.e. blue bracket -->
<item name="searchViewTextField">@drawable/bottom_border</item>
<!-- Styling the text view that displays the typed text query -->
<item name="searchViewAutoCompleteTextView">@style/AutoCompleteTextView</item>
</style>
<style name="AutoCompleteTextView" parent="Widget.AppCompat.Light.AutoCompleteTextView">
<item name="android:textColor">@color/text_color</item>
<!-- <item name="android:textCursorDrawable">@null</item> -->
<!-- <item name="android:textColorHighlight">@color/search_view_selected_text</item> -->
</style>
</resources>
我定义了用于显示菜单的 custommenu.xml 文件：
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:com.example.actionbartheme="http://schemas.android.com/apk/res-auto" >
<item android:id="@+id/search"
android:title="@string/search_title"
android:icon="@drawable/search_buttonn"
com.example.actionbartheme:showAsAction="ifRoom|collapseActionView"
com.example.actionbartheme:actionViewClass="android.support.v7.widget.SearchView"/>
</menu>
您的活动应该扩展 ActionBarActivity 而不是 Activity。这是 onCreateOptionsMenu 方法。
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.custommenu, menu);
}
在清单文件中：
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppnewTheme" >
有关更多信息，请参阅此网址：
此处为http://www.jayway.com/2014/06/02/android-theming-the-actionbar/