Tag: android actionbar illegalstateexception

java.lang.IllegalStateException：操作栏选项卡必须具有回调

我正在尝试向我的应用程序添加一个带有4个选项卡的ActionBarSherlock 。 我试图从SherlockActivity扩展到SherlockFragmentActivity`，但我仍然得到这个例外： java.lang.IllegalStateException：操作栏选项卡必须具有回调。 import java.io.IOException; import java.net.URL; import java.util.ArrayList; import java.util.List; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.ResponseHandler; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.BasicResponseHandler; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpParams; import org.apache.http.params.HttpProtocolParams; import org.json.JSONArray; import org.json.JSONObject; import com.actionbarsherlock.app.ActionBar; import com.actionbarsherlock.app.ActionBar.Tab; import com.actionbarsherlock.app.ActionBar.TabListener; import com.actionbarsherlock.app.SherlockActivity; import com.actionbarsherlock.app.SherlockFragmentActivity; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuInflater; import […]