Returns the resource-IDs for all attributes specified in the given -resource tag as an int array. - Android App

Android examples for App:Resource

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Description

Returns the resource-IDs for all attributes specified in the given -resource tag as an int array.

Demo Code

/*/*w w  w .  j a v a 2 s.co m*/
 * Copyright 1999-2101 Alibaba Group.
 *
 * 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 com.java2s;

import android.content.Context;

import java.lang.reflect.Field;

public class Main {
    /*********************************************************************************
     *   Returns the resource-IDs for all attributes specified in the
     *   given <declare-styleable>-resource tag as an int array.
     *
     *   @param  context     The current application context.
     *   @param  name        The name of the <declare-styleable>-resource-tag to pick.
     *   @return             All resource-IDs of the child-attributes for the given
     *                       <declare-styleable>-resource or <code>null</code> if
     *                       this tag could not be found or an error occured.
     *********************************************************************************/
    public static final int[] getResourceDeclareStyleableIntArray(
            Context context, String name) {
        try {
            //use reflection to access the resource class
            Field[] fields2 = Class.forName(
                    context.getPackageName() + ".R$styleable").getFields();

            //browse all fields
            for (Field f : fields2) {
                //pick matching field
                if (f.getName().equals(name)) {
                    //return as int array
                    int[] ret = (int[]) f.get(null);
                    return ret;
                }
            }
        } catch (Throwable t) {
        }

        return null;
    }
}

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