Android Open Source - android-utils R Utils

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License

The source code is released under:
Apache License
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Java Source Code

/**
 * Copyright 2014 Zhenguo Jin (jinzhenguo1990@gmail.com)
 *//from   w w  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 com.worthed.util;

import android.content.Context;

/**
 * R??????????
 *
 * @author zhenguo
 */
public class RUtils {

    public static final String POINT = ".";
    public static final String R = "R";
    public static final String JOIN = "$";
    public static final String ANIM = "anim";
    public static final String ATTR = "attr";
    public static final String COLOR = "color";
    public static final String DIMEN = "dimen";
    public static final String DRAWABLE = "drawable";
    public static final String ID = "id";
    public static final String LAYOUT = "layout";
    public static final String MENU = "menu";
    public static final String RAW = "raw";
    public static final String STRING = "string";
    public static final String STYLE = "style";
    public static final String STYLEABLE = "styleable";

    /**
     * ??????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getAnim(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(context.getPackageName() + POINT + R + JOIN + ANIM)
                    .getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ??????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getAttr(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(context.getPackageName() + POINT + R + JOIN + ATTR)
                    .getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ??????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getColor(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(
                            context.getPackageName() + POINT + R + JOIN + COLOR)
                    .getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ??????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getDimen(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(
                            context.getPackageName() + POINT + R + JOIN + DIMEN)
                    .getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ??????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getDrawable(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(
                            context.getPackageName() + POINT + R + JOIN
                                    + DRAWABLE).getDeclaredField(name)
                    .get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getId(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(context.getPackageName() + POINT + R + JOIN + ID)
                    .getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ??????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getLayout(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(
                            context.getPackageName() + POINT + R + JOIN
                                    + LAYOUT).getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ??????????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getMenu(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(context.getPackageName() + POINT + R + JOIN + MENU)
                    .getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ????RAW ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getRaw(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(context.getPackageName() + POINT + R + JOIN + RAW)
                    .getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ???????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getString(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(
                            context.getPackageName() + POINT + R + JOIN
                                    + STRING).getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ???????ID
     *
     * @param context ???
     * @param name    ????
     */
    public static int getStyle(Context context, String name) {
        try {
            return (Integer) Class
                    .forName(
                            context.getPackageName() + POINT + R + JOIN + STYLE)
                    .getDeclaredField(name).get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

    /**
     * ??????????
     *
     * @param context ???
     * @param name    ????
     */
    public static int[] getStyleable(Context context, String name) {
        try {
            return (int[]) Class
                    .forName(
                            context.getPackageName() + POINT + R + JOIN
                                    + STYLEABLE).getDeclaredField(name)
                    .get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * ?????????
     *
     * @param context       ???
     * @param styleableName ???????
     * @param attributeName ??????
     */
    public static int getStyleableAttribute(Context context,
                                            String styleableName, String attributeName) {
        try {
            return (Integer) Class
                    .forName(
                            context.getPackageName() + POINT + R + JOIN
                                    + STYLEABLE)
                    .getDeclaredField(styleableName + "_" + attributeName)
                    .get(null);
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }

}
Java Source Code List
