Android example source code file (InstrumentationUtils.java)

This example Android source code file (InstrumentationUtils.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

illegalaccessexception, instrumentationutils, integer, nosuchfieldexception, reflection, string

The InstrumentationUtils.java Android example source code

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * 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 android.test;

import java.lang.reflect.Field;

/**
 * 
 * The InstrumentationUtils class has all the utility functions needed for
 * instrumentation tests.
 *
 * {@hide} - Not currently used.
 */
public class InstrumentationUtils {
    /**
     * An utility function that returns the menu identifier for a particular
     * menu item.
     * 
     * @param cls Class object of the class that handles the menu ite,.
     * @param identifier Menu identifier.
     * @return The integer corresponding to the menu item.
     */
    public static int getMenuIdentifier(Class cls, String identifier) {
        int id = -1;
        try {
            Integer field = (Integer)cls.getDeclaredField(identifier).get(cls);   
            id = field.intValue();
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        return id;
    }

}