Helper methods that make logging more consistent throughout the application.

Config.java

public class Config {

    public static final boolean DEBUG = true;

}

LogUtils.java

/*
 * Copyright 2012 Google Inc. 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.
 */


/**
 * Helper methods that make logging more consistent throughout the application.
 */
public class LogUtils {

    private static final String LOG_PREFIX = "mypref_";
    private static final int LOG_PREFIX_LENGTH = LOG_PREFIX.length();
    private static final int MAX_LOG_TAG_LENGTH = 23;

    private LogUtils() {}

    public static String makeLogTag(String str) {

        if (str.length() > MAX_LOG_TAG_LENGTH - LOG_PREFIX_LENGTH) {
            return LOG_PREFIX + str.substring(0, MAX_LOG_TAG_LENGTH - LOG_PREFIX_LENGTH - 1);
        }

        return LOG_PREFIX + str;
    }

    /**
     * WARNING: Don't use this when obfuscating class names with Proguard!
     */
    public static String makeLogTag(Class<?> cls) {

        return makeLogTag(cls.getSimpleName());
    }

    public static void LOGD(final String tag, String message) {

        if (Config.DEBUG) {
            Log.d(tag, message);
        }

    }

    public static void LOGD(final String tag, String message, Throwable cause) {

        if (Config.DEBUG) {
            Log.d(tag, message, cause);
        }

    }

    public static void LOGV(final String tag, String message) {

        if (Config.DEBUG) {
            Log.v(tag, message);
        }

    }

    public static void LOGV(final String tag, String message, Throwable cause) {

        if (Config.DEBUG) {
            Log.v(tag, message, cause);
        }

    }

    public static void LOGI(final String tag, String message) {

        Log.i(tag, message);
    }

    public static void LOGI(final String tag, String message, Throwable cause) {

        Log.i(tag, message, cause);
    }

    public static void LOGW(final String tag, String message) {

        Log.w(tag, message);
    }

    public static void LOGW(final String tag, String message, Throwable cause) {

        Log.w(tag, message, cause);
    }

    public static void LOGE(final String tag, String message) {

        if (Config.DEBUG) {
            Log.e(tag, message);
        }
    }

    public static void LOGE(final String tag, String message, Throwable cause) {

        if (Config.DEBUG) {
            Log.e(tag, message, cause);
        }
    }
}