使用 “android.support.PARENT_ACTIVITY”属性定义默认的返回。
···
<activity android:label="@string/app_name" android:name=".activity.HomeActivity" android:launchMode="singleTask" android:screenOrientation="portrait" android:configChanges="keyboardHidden|orientation" />
<activity android:label="@string/search_title" android:name=".activity.SearchActivity" android:launchMode="singleTop" android:screenOrientation="portrait" android:configChanges="keyboardHidden|orientation" android:parentActivityName=".activity.HomeActivity">
<intent-filter>
<action android:name="android.intent.action.SEARCH" />
</intent-filter>
<meta-data android:name="android.app.searchable" android:resource="@xml/searchable" />
<meta-data android:name="android.support.PARENT_ACTIVITY" android:value=".activity.HomeActivity" />
</activity>
<activity android:label="@string/playrec_title" android:name=".activity.MyPlayRecordActivity" android:screenOrientation="portrait" android:configChanges="keyboardHidden|orientation" android:parentActivityName=".activity.HomeActivity">
<meta-data android:name="android.support.PARENT_ACTIVITY" android:value=".activity.HomeActivity" />
</activity>
···
原文:http://my.oschina.net/panyingyun/blog/307314