SettingsActivityTablet.java

/*******************************************************************************
 * Copyright 2009 Robot Media SL
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package net.robotmedia.acv.ui.settings.tablet;

import java.util.List;

import android.preference.PreferenceActivity;

import net.androidcomics.acv.R;
import net.robotmedia.acv.billing.BillingManager;

public class SettingsActivityTablet extends PreferenceActivity {

	private List<Header> headers;
	
	@Override
    public void onBuildHeaders(List<Header> target) {
        loadHeadersFromResource(R.xml.preference_headers, target);
        
        // Remove Premium header if the app is premium
        for (Header header : target) {
        	if (header.id != R.id.header_premium) continue;
        	
        	if (!BillingManager.getInstance(this).canPurchasePremium()) {
        		target.remove(header);
        	}
        }
        headers = target;
    }
	
	@Override
	public Header onGetNewHeader() {
		return bug22430Workaround();
	}
	
	/**
	 * @see <a href="http://code.google.com/p/android/issues/detail?id=22430">http://code.google.com/p/android/issues/detail?id=22430</a>
	 * @see {@link PremiumSettingsFragment#onPremiumPurchased()}
	 * @return
	 */
	private Header bug22430Workaround() {
		return headers.get(0);
	}
		
}