2015 10 30 Android Log使用心得 - yiyixiaozhi/readingNotes GitHub Wiki
title: Android Log使用心得 date: 2015-10-30 description: 简单的log扩展 categories: - 工具 tags: - java - android
通过如下方法，可以直接打印出程序运行到当前点的堆栈信息，方便调试：
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Log.i(TAG, "test", here);import android.util.Log;
/**
* Log打印工具，可以快速打印log及其所在的方法名称。
* 调用示例LogExt.LogD(this, Thread.currentThread().getStackTrace(), ...);
* @author yyxz
*/
public class LogExt {
private static final String TAG= "yyxz";
private static boolean CanShowLog(){return isShowLog;};
private static boolean isShowLog = true;
// Log Debug
public static void LogD(Object obj, StackTraceElement[] sTE) {
LogD(obj, sTE, null);
}
public static void LogD(Object obj, StackTraceElement[] sTE, String strInfo) {
LogD(obj, sTE, strInfo, null);
}
public static void LogD(Object obj, StackTraceElement[] sTE, String strInfo, Throwable tr) {
if(!CanShowLog()) {
return ;
}
Class cls;
if (obj instanceof Class) {
cls = ( Class)obj;
} else {
cls = obj.getClass();
}
String methodName = sTE[2].getMethodName();
if ((cls == null) || (methodName == null)) {
Log. e(TAG, "Input Class or MethodName Error(null)" );
} else {
if (strInfo == null) {
if (tr == null) {
Log. d(TAG, cls.toString() + "::" + methodName);
} else {
Log. d(TAG, cls.toString() + "::" + methodName, tr);
}
} else {
if (tr == null) {
Log. d(TAG, cls.toString() + "::" + methodName + "(), " + strInfo);
} else {
Log. d(TAG, cls.toString() + "::" + methodName + "(), " + strInfo, tr);
}
}
}
}
// Log Error
public static void LogE(Object obj, StackTraceElement[] sTE) {
LogE(obj, sTE, null);
}
public static void LogE(Object obj, StackTraceElement[] sTE, String strInfo) {
LogE(obj, sTE, strInfo, null);
}
public static void LogE(Object obj, StackTraceElement[] sTE, String strInfo, Throwable tr) {
if(!CanShowLog()) {
return ;
}
Class cls;
if (obj instanceof Class) {
cls = ( Class)obj;
} else {
cls = obj.getClass();
}
String methodName = sTE[2].getMethodName();
if ((cls == null) || (methodName == null)) {
Log. e(TAG, "Input Class or MethodName Error(null)" );
} else {
if (strInfo == null) {
if (tr == null) {
Log. e(TAG, cls.toString() + "::" + methodName);
} else {
Log. e(TAG, cls.toString() + "::" + methodName, tr);
}
} else {
if (tr == null) {
Log. e(TAG, cls.toString() + "::" + methodName + "(), " + strInfo);
} else {
Log. e(TAG, cls.toString() + "::" + methodName + "(), " + strInfo, tr);
}
}
}
}
// Log Info
public static void LogI(Object obj, StackTraceElement[] sTE) {
LogI(obj, sTE, null);
}
public static void LogI(Object obj, StackTraceElement[] sTE, String strInfo) {
LogI(obj, sTE, strInfo, null);
}
public static void LogI(Object obj, StackTraceElement[] sTE, String strInfo, Throwable tr) {
if(!CanShowLog()) {
return ;
}
Class cls;
if (obj instanceof Class) {
cls = ( Class)obj;
} else {
cls = obj.getClass();
}
String methodName = sTE[2].getMethodName();
if ((cls == null) || (methodName == null)) {
Log. e(TAG, "Input Class or MethodName Error(null)" );
} else {
if (strInfo == null) {
if (tr == null) {
Log. i(TAG, cls.toString() + "::" + methodName);
} else {
Log. i(TAG, cls.toString() + "::" + methodName, tr);
}
} else {
if (tr == null) {
Log. i(TAG, cls.toString() + "::" + methodName + "(), " + strInfo);
} else {
Log. i(TAG, cls.toString() + "::" + methodName + "(), " + strInfo, tr);
}
}
}
}
// Log Version
public static void LogV(Object obj, StackTraceElement[] sTE) {
LogV(obj, sTE, null);
}
public static void LogV(Object obj, StackTraceElement[] sTE, String strInfo) {
LogV(obj, sTE, strInfo, null);
}
public static void LogV(Object obj, StackTraceElement[] sTE, String strInfo, Throwable tr) {
if(!CanShowLog()) {
return ;
}
Class cls;
if (obj instanceof Class) {
cls = ( Class)obj;
} else {
cls = obj.getClass();
}
String methodName = sTE[2].getMethodName();
if ((cls == null) || (methodName == null)) {
Log. v(TAG, "Input Class or MethodName Error(null)" );
} else {
if (strInfo == null) {
if (tr == null) {
Log. v(TAG, cls.toString() + "::" + methodName);
} else {
Log. v(TAG, cls.toString() + "::" + methodName, tr);
}
} else {
if (tr == null) {
Log. v(TAG, cls.toString() + "::" + methodName + "(), " + strInfo);
} else {
Log. v(TAG, cls.toString() + "::" + methodName + "(), " + strInfo, tr);
}
}
}
}
// Log Warn
public static void LogW(Object obj, StackTraceElement[] sTE) {
LogW(obj, sTE, null);
}
public static void LogW(Object obj, StackTraceElement[] sTE, String strInfo) {
LogW(obj, sTE, strInfo, null);
}
public static void LogW(Object obj, StackTraceElement[] sTE, String strInfo, Throwable tr) {
if(!CanShowLog()) {
return ;
}
Class cls;
if (obj instanceof Class) {
cls = ( Class)obj;
} else {
cls = obj.getClass();
}
String methodName = sTE[2].getMethodName();
if ((cls == null) || (methodName == null)) {
Log. e(TAG, "Input Class or MethodName Error(null)" );
} else {
if (strInfo == null) {
if (tr == null) {
Log. w(TAG, cls.toString() + "::" + methodName);
} else {
Log. w(TAG, cls.toString() + "::" + methodName, tr);
}
} else {
if (tr == null) {
Log. w(TAG, cls.toString() + "::" + methodName + "(), " + strInfo);
} else {
Log. w(TAG, cls.toString() + "::" + methodName + "(), " + strInfo, tr);
}
}
}
}
}