src/com/android/launcher3/util/LogConfig.java

package com.android.launcher3.util;

/**
 * This is a utility class that keeps track of all the tag that can be enabled to debug
 * a behavior in runtime.
 *
 * To use any of the strings defined in this class, execute the following command.
 *
 * $ adb shell setprop log.tag.TAGNAME VERBOSE
 */

public class LogConfig {
    // These are list of strings that can be used to replace TAGNAME.

    /**
     * After this tag is turned on, whenever there is n user event, debug information is
     * printed out to logcat.
     */
    public static final String USEREVENT = "UserEvent";

    /**
     * When turned on, all icons are kept on the home screen, even if they don't have an active
     * session.
     */
    public static final String KEEP_ALL_ICONS = "KeepAllIcons";

    /**
     * When turned on, icon cache is only fetched from memory and not disk.
     */
    public static final String MEMORY_ONLY_ICON_CACHE = "MemoryOnlyIconCache";
}