Logger for android

LogTag.java

public class LogTag {

    private static String sClassName;
    private static String sMethodName;
    private static int sLineNumber;

    private LogTag() {
    }

    public static boolean isDebug() {
        return BuildConfig.DEBUG;
    }

    private static String createLog(String log) {

        return String.format("[%s:%s] %s", sMethodName, sLineNumber, log);
    }

    private static void getMethodNames(StackTraceElement[] stackTraceElements) {

        sClassName = stackTraceElements[1].getFileName();
        sMethodName = stackTraceElements[1].getMethodName();
        sLineNumber = stackTraceElements[1].getLineNumber();
    }

    public static void e(String message) {
        if (!isDebug()) {
            return;
        }

        // Throwable instance must be created before any methods
        getMethodNames(new Throwable().getStackTrace());
        Log.e(sClassName, createLog(message));
    }

    public static void i(String message) {
        if (!isDebug()) {
            return;
        }

        getMethodNames(new Throwable().getStackTrace());
        Log.i(sClassName, createLog(message));
    }

    public static void d(String message) {
        if (!isDebug()) {
            return;
        }

        getMethodNames(new Throwable().getStackTrace());
        Log.d(sClassName, createLog(message));
    }

    public static void v(String message) {
        if (!isDebug()) {
            return;
        }

        getMethodNames(new Throwable().getStackTrace());
        Log.v(sClassName, createLog(message));
    }

    public static void w(String message) {
        if (!isDebug()) {
            return;
        }

        getMethodNames(new Throwable().getStackTrace());
        Log.w(sClassName, createLog(message));
    }

    public static void wtf(String message) {
        if (!isDebug()) {
            return;
        }

        getMethodNames(new Throwable().getStackTrace());
        Log.wtf(sClassName, createLog(message));
    }
}