Here is HauteLook’s logger class from our Android Code Library. It displays class name, method name and line number per line of log message.
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package com.hautelook.android.lib.logger; /** * @authorjimmy@hautelook.com * @copyright 2011 HauteLook * * Description: * Simple logger that displays: class name, method name and line number * * * Usage: * * Use this class directly or customize it by extending it. * * HLlog.i(""); * HLLog.i("called"); * HLLog.i("called","tag"); * * L.i(); * L.i("called"); * L.i("called","tag"); * * Sub-classing example: * * // C.DEBUG = boolean true/false (project specific constant class) * * public class L extends HLLog { * * public static String DEFAULT_TAG = "HauteLook"; * * public static void i() { * if(C.DEBUG) callLogger("i", DEFAULT_TAG, ""); * } * * public static void i(String message) { * if(C.DEBUG) callLogger("i", DEFAULT_TAG, message); * } * * public static void i(String message, String tag) { * if(C.DEBUG) callLogger("i", tag, message); * } * * } * */ import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;import android.util.Log; @SuppressWarnings("unused")publicclass HLLog { publicstatic String DEFAULT_TAG ="HauteLookLib"; finalstaticintdepth = 4; publicstaticvoid i(String message) { callLogger("i", DEFAULT_TAG, message); } publicstaticvoid i(String message, String tag) { callLogger("i", tag, message); } publicstaticvoid d(String message) { callLogger("d", DEFAULT_TAG, message); } publicstaticvoid d(String message, String tag) { callLogger("d", tag, message); } publicstaticvoid e(String message) { callLogger("e", DEFAULT_TAG, message); } publicstaticvoid e(String message, String tag) { callLogger("e", tag, message); } publicstaticvoid w(String message) { callLogger("w", DEFAULT_TAG, message); } publicstaticvoid w(String message, String tag) { callLogger("w", tag, message); } publicstaticvoid v(String message) { callLogger("v", DEFAULT_TAG, message); } publicstaticvoid v(String message, String tag) { callLogger("v", tag, message); } @SuppressWarnings("rawtypes") publicstaticvoid callLogger(String methodName, String tag, String message) { final StackTraceElement[] ste = Thread.currentThread().getStackTrace(); try { Class cls = Class.forName("android.util.Log"); Method method = cls.getMethod(methodName, String.class, String.class); method.invoke(null, tag, getTrace(ste) + message); } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (SecurityException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); } catch (NoSuchMethodException e) { e.printStackTrace(); } } publicstatic String getTrace(StackTraceElement[] ste) { return"[" + getClassName(ste) + "][" + getMethodName(ste) + "][" + getLineNumber(ste) + "] "; } publicstatic String getClassPackage(StackTraceElement[] ste) { return ste[depth].getClassName(); } publicstatic String getClassName(StackTraceElement[] ste) { String[] temp = ste[depth].getClassName().split("\."); return temp[temp.length - 1]; } publicstatic String getMethodName(StackTraceElement[] ste) { return ste[depth].getMethodName(); } publicstaticint getLineNumber(StackTraceElement[] ste) { return ste[depth].getLineNumber(); } } |