If I use ActionBarSherlock 3.5.1 everything is fine and workes. But if I want to use 4.0 RC1 I got errors.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:6: error: Error retrieving parent for item: No resource found that matches the given name 'android:Widget.Holo.ActionBar.Solid'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:10: error: Error retrieving parent for item: No resource found that matches the given name 'android:Widget.Holo.Light.ActionBar.Solid'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:12: error: Error retrieving parent for item: No resource found that matches the given name 'android:Widget.Holo.Light.ActionBar.Solid.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:19: error: Error retrieving parent for item: No resource found that matches the given name 'android:Widget.Holo.Light.ActionBar.TabView.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:26: error: Error retrieving parent for item: No resource found that matches the given name 'android:Widget.Holo.Light.ActionBar.TabBar.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values/abs__styles.xml:101: error: Error: No resource found that matches the given name: attr 'android:textAllCaps'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:33: error: Error retrieving parent for item: No resource found that matches the given name 'android:Widget.Holo.Light.ActionBar.TabText.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:55: error: Error retrieving parent for item: No resource found that matches the given name 'android:Widget.Holo.Light.ActionMode.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values/abs__styles.xml:244: error: Error: No resource found that matches the given name: attr 'android:textAllCaps'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:88: error: Error retrieving parent for item: No resource found that matches the given name 'android:TextAppearance.Holo.Widget.ActionBar.Menu'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:93: error: Error retrieving parent for item: No resource found that matches the given name 'android:TextAppearance.Holo.Widget.ActionBar.Title.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:97: error: Error retrieving parent for item: No resource found that matches the given name 'android:TextAppearance.Holo.Widget.ActionBar.Subtitle.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:101: error: Error retrieving parent for item: No resource found that matches the given name 'android:TextAppearance.Holo.Widget.ActionMode.Title.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__styles.xml:105: error: Error retrieving parent for item: No resource found that matches the given name 'android:TextAppearance.Holo.Widget.ActionMode.Subtitle.Inverse'.
[2012-02-25 10:08:19 - SherlockApp] /home/leandros/workspace/ActionBarSherlock40/res/values-v14/abs__themes.xml:8: error: Error retrieving parent for item: No resource found that matches the given name 'android:Theme.Holo.Light.DarkActionBar'.
Any ideas?
Be sure to set the Target API Level (of both the ActionBarSherlock project and yours) to 15. To do this:
I didn't find any documentation of this change, but just found out by trial 'n' error.