import android.util.Log;
/**
* 日志控制
*/
public class LogUtils {
private final static String TAG = "Log_";
private final static boolean sOpenLog = true;
public static void d(String logKey, String msg) {
d(logKey, msg, 2);
}
/**
*
* @param logKey
* @param msg
* @param stackIndex 1:当前位置，2：上级栈位置，0：logcat 的位置（没有意义）
*/
public static void d(String logKey, String msg, int stackIndex) {
if (sOpenLog) {
StackTraceElement ste = new Throwable().getStackTrace()[stackIndex];
String log = build(msg, ste);
// Log.d(logKey, log);
Log.d(TAG, "[" + logKey + "]" + log);
}
}
public static void d(String msg) {
if (sOpenLog) {
StackTraceElement ste = new Throwable().getStackTrace()[1];
String log = build(msg, ste);
Log.d(TAG, log);
}
}
public static void i(String logKey, String msg, int stackIndex) {
if (sOpenLog) {
StackTraceElement ste = new Throwable().getStackTrace()[stackIndex];
String log = build(msg, ste);
Log.i(TAG, "[" + logKey + "]" + log);
// Log.i(logKey, log);
}
}
public static void i(String logKey, String msg) {
i(logKey, msg, 2);
}
public static void v(String logKey, String msg, int stackIndex) {
if (sOpenLog) {
StackTraceElement ste = new Throwable().getStackTrace()[stackIndex];
String log = build(msg, ste);
Log.v(TAG, "[" + logKey + "]" + log);
}
}
public static void v(String logKey, String msg) {
v(logKey, msg, 2);
}
public static void w(String logKey, String msg) {
if (sOpenLog) {
StackTraceElement ste = new Throwable().getStackTrace()[1];
String log = build(logKey, msg, ste);
Log.w(TAG, "[" + logKey + "]" + log);
}
}
/**
* 打印error级别的log
*
* @param tag tag标签
*/
public static void e(String tag, Throwable tr) {
if (sOpenLog) {
StackTraceElement ste = new Throwable().getStackTrace()[1];
String log = build(tag, "", ste, tr);
Log.e(tag, log, tr);
// Log.e(tag, "[" + Thread.currentThread().getId() + "]" + tr.getMessage(), tr);
}
}
public static void e(String logKey, String msg) {
if (sOpenLog) {
StackTraceElement ste = new Throwable().getStackTrace()[1];
String log = build(logKey, msg, ste);
Log.e(logKey, log);
}
}
public static void e(String logKey, String msg, Throwable e) {
if (sOpenLog) {
StackTraceElement ste = new Throwable().getStackTrace()[1];
String log = build(logKey, msg, ste);
Log.e(TAG, log, e);
}
}
/**
* 打印调用栈信息
*
* @param tag tag标签
* @param str 内容
*/
public static void t(String tag, String str) {
if (sOpenLog) {
LogUtils.i(tag, "DebugInfo: " + str);
Throwable e = new Throwable(tag);
e.printStackTrace();
}
}
/**
* 制作打log位置的文件名与文件行号详细信息
*
* @param log
* @param ste
* @return
*/
private static String build(String log, StackTraceElement ste) {
StringBuilder buf = new StringBuilder();
buf.append("[").append(Thread.currentThread().getId()).append("]");
if (ste.isNativeMethod()) {
buf.append("(Native Method)");
} else {
String fName = ste.getFileName();
if (fName == null) {
buf.append("(Unknown Source)");
} else {
int lineNum = ste.getLineNumber();
buf.append('(');
buf.append(fName);
if (lineNum >= 0) {
buf.append(':');
buf.append(lineNum);
}
buf.append("):");
}
}
buf.append(log);
return buf.toString();
}
private static String build(String logKey, String msg, StackTraceElement ste) {
StringBuilder sb = new StringBuilder();
sb.append("[").append(logKey).append("]").append(build(msg, ste));
return sb.toString();
}
private static String build(String logKey, String msg, StackTraceElement ste, Throwable e) {
StringBuilder sb = new StringBuilder();
sb.append("[").append(logKey).append("]").append(ste.toString()).append(":").append(msg).append("\r\n").append("e:").append(e.getMessage());
return sb.toString();
}
}
import android.util.Log;
/**
* 日志控制
*/
public cla
阅读背景：
Android开发之带行号显示的Log工具类
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