Android Logging
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. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 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(); } } 欢迎加群互相学习，共同进步。QQ群：iOS: 58099570 | Android: 572064792 | Nodejs：329118122 做人要厚道，转载请注明出处！ 本文转自张昺华-sky博客园博客，原文链接：http://www.cnblogs.com/sunshine-anycall/p/3479070.html ，如需转载请自行联系原作者
