Android Open Source - mobilepower-android Action Bar Compat

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Dario Scoppelletti, <http://www.scoppelletti.it/>.
 * //from ww w.  j a  v a  2 s.co m
 * 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 it.scoppelletti.mobilepower.app;

import java.lang.reflect.*;
import android.os.*;
import org.slf4j.*;
import it.scoppelletti.mobilepower.os.*;
import it.scoppelletti.mobilepower.reflect.*;

/**
 * Barra delle azioni.
 */
final class ActionBarCompat implements ActionBarSupport, MemberCache.Resolver {
    private final static int METHOD_SETHOMEBUTTONENABLED = 1;
    private static final Logger myLogger = LoggerFactory.getLogger(
            "ActionBarCompat");    
    private final Object myTarget;
    
    /**
     * Costruttore.
     * 
     * @param target Implementazione della barra delle azioni.
     */
    ActionBarCompat(Object target) {
        if (target == null) {
            throw new NullPointerException("Argument target is null.");
        }
        
        myTarget = target;
    }
    
    public void setHomeButtonEnabled(boolean enabled) {
        Method method;
        
        if (Build.VERSION.SDK_INT <
                BuildCompat.VERSION_CODES.ICE_CREAM_SANDWICH) {
            return;
        }       
        
        try {
            method = (Method) MemberCache.getInstance().getMember(
                    myTarget.getClass(),
                    ActionBarCompat.METHOD_SETHOMEBUTTONENABLED, this);            
            method.invoke(myTarget, enabled);
        } catch (Exception ex) {
            myLogger.error("Method setHomeButtonEnabled failed.", ex);
        }                          
    }
    
    public Member resolveMember(Class<?> clazz, int memberCode) {
        Member member;
        
        try {
            switch (memberCode) {
            case ActionBarCompat.METHOD_SETHOMEBUTTONENABLED:
                member = clazz.getMethod("setHomeButtonEnabled", Boolean.TYPE);
                break;
            
            default:
                throw new NoSuchMethodException(
                    String.format("Unexpected memberCode %1$d.", memberCode));                    
            }
        } catch (Exception ex) {
            throw new UnsupportedOperationException(ex.getMessage(), ex);
        }
        
        return member;
    }       
}

Java Source Code List

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