<activity android:name=".SubActivity" android:label="@string/title_activity_sub">
<meta-data android:name="android.support.PARENT_ACTIVITY" android:value=".MainActivity">
</meta-data></activity>
java.lang.IllegalArgumentException: Activity SubActivity does not have a parent activity name specified. (Did you forget to add the android.support.PARENT_ACTIVITY <meta-data> element in your manifest?)
at android.support.v4.app.NavUtils.navigateUpFromSameTask(NavUtils.java:178)
...........</meta-data>
android:value="org.domen.app.MainActivity"
<activity android:name=".SubActivity" android:label="@string/title_activity_sub" android:parentactivityname=".MainActivity">
<!-- Parent activity meta-data to support 4.0 and lower -->
<meta-data android:name="android.support.PARENT_ACTIVITY" android:value=".MainActivity">
</meta-data></activity>
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