/**
* Formats the log data and prints it out to the LogView.
*/
public void WriteLine (LogPriority priority, string tag, string msg, Java.Lang.Throwable tr)
{
string priorityStr = null;
// For the purposes of this View, we want to print the priority as readable text.
switch (priority) {
case LogPriority.Verbose:
priorityStr = "VERBOSE";
break;
case LogPriority.Debug:
priorityStr = "DEBUG";
break;
case LogPriority.Info:
priorityStr = "INFO";
break;
case LogPriority.Warn:
priorityStr = "WARN";
break;
case LogPriority.Error:
priorityStr = "ERROR";
break;
case LogPriority.Assert:
priorityStr = "ASSERT";
break;
default:
break;
}
// Handily, the Log class has a facility for converting a stack trace into a usable string.
string exceptionStr = null;
if (tr != null) {
exceptionStr = Android.Util.Log.GetStackTraceString (tr);
}
// Take the priority, tag, message, and exception, and concatenate as necessary
// into one usable line of text.
StringBuilder outputBuilder = new StringBuilder ();
string delimiter = "\t";
AppendIfNotNull (outputBuilder, priorityStr, delimiter);
AppendIfNotNull (outputBuilder, tag, delimiter);
AppendIfNotNull (outputBuilder, msg, delimiter);
AppendIfNotNull (outputBuilder, exceptionStr, delimiter);
// In case this was originally called from an AsyncTask or some other off-UI thread,
// make sure the update occurs within the UI thread.
((Activity)Context).RunOnUiThread (new Action (delegate {
AppendToLog (outputBuilder.ToString ());
}));
if (NextNode != null) {
NextNode.WriteLine (priority, tag, msg, tr);
}
}
private void WriteLine(object message, LogPriority priority)
{
var trace = new StackTrace().GetFrame(2).GetMethod();
var callerMethod = trace.DeclaringType.FullName;
Log.WriteLine(priority, callerMethod, message.ToString());
string logHeader = $"{DateTime.Now:yyyy-MM-dd HH:mm:ss,fff} " +
$"{priority.ToString().ToUpper()} {callerMethod}";
string logMessage = message.ToString();
lock (_lock)
{
using StreamWriter logWritter = new StreamWriter(CurrentLogPath, true, Encoding.UTF8);
logWritter.WriteLine(logHeader);
logWritter.WriteLine($" {logMessage}");
logWritter.WriteLine();
}
}
public static void Log (string tag, LogPriority level, Exception t, params object[] messages)
{
if (Android.Util.Log.IsLoggable (tag, level)) {
string message;
if (t == null && messages != null && messages.Length == 1) {
message = messages [0].ToString ();
} else {
var sb = new StringBuilder ();
if (messages != null) {
foreach (var m in messages) {
sb.Append (m);
}
}
if (t != null) {
sb.Append ("\n").Append (Android.Util.Log.GetStackTraceString (Java.Lang.Throwable.FromException(t)));
}
message = sb.ToString ();
}
Android.Util.Log.WriteLine ((LogPriority)level, tag, message);
}
}
/**
* Prints data out to the console using Android's native log mechanism.
*/
public void WriteLine (LogPriority priority, string tag, string msg, Java.Lang.Throwable tr)
{
// There actually are log methods that don't take a msg parameter. For now,
// if that's the case, just convert null to the empty string and move on.
String useMsg = msg ?? string.Empty;
// If an exeption was provided, convert that exception to a usable string and attach
// it to the end of the msg method.
if (tr != null) {
msg += "\n" + Android.Util.Log.GetStackTraceString (tr);
}
// This is functionally identical to Log.x(tag, useMsg);
// For instance, if priority were Log.VERBOSE, this would be the same as Log.v(tag, useMsg)
Android.Util.Log.WriteLine (priority, tag, useMsg);
// If this isn't the last node in the chain, move things along.
if (NextNode != null) {
NextNode.WriteLine (priority, tag, msg, tr);
}
}
public void WriteLine(LogPriority priority, string tag, string msg, Java.Lang.Throwable tr)
{
if (NextNode != null) {
NextNode.WriteLine (LogPriority.Info, null, msg, null);
}
}
public static int WriteLine(LogPriority priority, string tag, string format, params object[] args)
{
return(WriteLine(priority, tag, string.Format(format, args)));
}
/**
* Instructs the LogNode to print the log data provided. Other LogNodes can
* be chained to the end of the LogNode as desired.
*/
public static void WriteLine (LogPriority priority, string tag, string msg)
{
WriteLine (priority, tag, msg, null);
}
/**
* Instructs the LogNode to print the log data provided. Other LogNodes can
* be chained to the end of the LogNode as desired.
*/
public static void WriteLine (LogPriority priority, string tag, string msg, Throwable tr)
{
if (mLogNode != null)
mLogNode.WriteLine (priority, tag, msg, tr);
}
public static int WriteLine(LogPriority priority, string tag, string format, params object[] args)
{
return WriteLine (priority, tag, string.Format (format, args));
}
