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Android获取Log信息所在的类名,方法名,行号。

/**
 * 获取打印信息所在方法名,行号等信息
 * @return
 */
private static String[] getAutoJumpLogInfos() {
    String[] infos = new String[] { "", "", "" };
    StackTraceElement[] elements = Thread.currentThread().getStackTrace();
    if (elements.length < 5) {
        Log.e("MyLogger", "Stack is too shallow!!!");
        return infos;
    } else {
        infos[0] = elements[4].getClassName().substring(
                elements[4].getClassName().lastIndexOf(".") + 1);
        infos[1] = elements[4].getMethodName() + "()";
        infos[2] = " at (" + elements[4].getClassName() + ".java:"
                + elements[4].getLineNumber() + ")";
        return infos;
    }
}

 

自定义Log:

public static void v(String msg){
    if (DEBUG){
        String[] infos = getAutoJumpLogInfos();
        android.util.Log.v(infos[0], msg + " : " + infos[1] + infos[2]);
    }else{
        //donothing
    }
}

public static void d(String msg){
    if (DEBUG){
        String[] infos = getAutoJumpLogInfos();
        android.util.Log.d(infos[0], msg + " : " + infos[1] + infos[2]);
    }else{
        //donothing
    }
}

public static void i(String msg){
    if (DEBUG){
        String[] infos = getAutoJumpLogInfos();
        android.util.Log.i(infos[0], msg + " : " + infos[1] + infos[2]);
    }else{
        //donothing
    }
}

public static void w(String msg){
    if (DEBUG){
        String[] infos = getAutoJumpLogInfos();
        android.util.Log.w(infos[0], msg + " : " + infos[1] + infos[2]);
    }else{
        //donothing
    }
}

public static void e(String msg){
    if (DEBUG){
        String[] infos = getAutoJumpLogInfos();
        android.util.Log.e(infos[0], msg + " : " + infos[1] + infos[2]);
    }else{
        //donothing
    }
}
;