Android log简化

package com.yjtc.everhomes.services.util;import android.util.Log;/**** Logging: Log simple strings or formatted strings in one simple call:** final String formattedTestString = "first argument = %s, second argument = %s";* final String firstArgument = "abc";* final Object secondArgument = new Object() {* public String toString() {* return "123";* };* };** L.d(formattedTestString, firstArgument, secondArgument);* Which results in a log output 09-23 17:41:30.508: D/TestActivity:26(18510): onCreate(): first argument = abc, second argument = 123** Convenience class for logging. Logs the given parameters plus the calling class and line as a tag and the calling method's name*/public class L {private static final boolean DEBUG = true;public static void v(Throwable t) {log(Log.VERBOSE, t, null);} public static void v(Object s1, Object... args) {log(Log.VERBOSE, null, s1, args);} public static void v(Throwable t, Object s1, Object... args) {log(Log.VERBOSE, t, s1, args);} public static void d(Throwable t) {log(Log.DEBUG, t, null);} public static void d(Object s1, Object... args) {log(Log.DEBUG, null, s1, args);} public static void d(Throwable t, Object s1, Object... args) {log(Log.DEBUG, t, s1, args);} public static void i(Throwable t) {log(Log.INFO, t, null);} public static void i(Object s1, Object... args) {log(Log.INFO, null, s1, args);} public static void i(Throwable t, Object s1, Object... args) {log(Log.INFO, t, s1, args);} public static void w(Throwable t) {log(Log.WARN, t, null);} public static void w(Object s1, Object... args) {log(Log.WARN, null, s1, args);} public static void w(Throwable t, Object s1, Object... args) {log(Log.WARN, t, s1, args);} public static void e(Throwable t) {log(Log.ERROR, t, null);} public static void e(Object s1, Object... args) {log(Log.ERROR, null, s1, args);} public static void e(Throwable t, Object s1, Object... args) {log(Log.ERROR, t, s1, args);} private static void log(final int pType, final Throwable t, final Object s1,final Object... args) {if (pType == Log.ERROR || DEBUG) {final StackTraceElement stackTraceElement = Thread.currentThread().getStackTrace()[4]; final String fullClassName = stackTraceElement.getClassName();final String className = fullClassName.substring(fullClassName.lastIndexOf(".") + 1);final int lineNumber = stackTraceElement.getLineNumber();final String method = stackTraceElement.getMethodName(); final String tag = className + ":" + lineNumber; final StringBuilder stringBuilder = new StringBuilder();stringBuilder.append(method);stringBuilder.append("(): "); if (s1 != null) {final String message = (args == null) ? s1.toString() : String.format((String) s1, args);stringBuilder.append(message);} switch (pType) {case Log.VERBOSE:if (t != null) {Log.v(tag, stringBuilder.toString(), t);} else {Log.v(tag, stringBuilder.toString());}break; case Log.DEBUG:if (t != null) {Log.d(tag, stringBuilder.toString(), t);} else {Log.d(tag, stringBuilder.toString());}break; case Log.INFO:if (t != null) {Log.i(tag, stringBuilder.toString(), t);} else {Log.i(tag, stringBuilder.toString());}break; case Log.WARN:if (t != null) {Log.w(tag, stringBuilder.toString(), t);} else {Log.w(tag, stringBuilder.toString());}break; case Log.ERROR:if (t != null) {Log.e(tag, stringBuilder.toString(), t);} else {Log.e(tag, stringBuilder.toString());}break;}}}public static void i() {i("....");}public static void d() {d("....");}public static void e() {e("....");}public static void v() {v("....");}public static void w() {w("....");}}
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