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A framework for building native apps with React
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.systrace;
import android.os.Build;
import android.os.Trace;
/**
* Systrace stub that mostly does nothing but delegates to Trace for beginning/ending sections.
* The internal version of this file has not been opensourced yet.
*/
public class Systrace {
public static final long TRACE_TAG_REACT_JAVA_BRIDGE = 0L;
public static final long TRACE_TAG_REACT_FRESCO = 0L;
public static final long TRACE_TAG_REACT_APPS = 0L;
public static final long TRACE_TAG_REACT_VIEW = 0L;
public enum EventScope {
THREAD('t'),
PROCESS('p'),
GLOBAL('g');
private final char mCode;
private EventScope(char code) {
mCode = code;
}
public char getCode() {
return mCode;
}
}
public static void registerListener(TraceListener listener) {
}
public static void unregisterListener(TraceListener listener) {
}
public static boolean isTracing(long tag) {
return false;
}
public static void traceInstant(
long tag,
final String title,
EventScope scope) {
}
public static void beginSection(long tag, final String sectionName) {
if (Build.VERSION.SDK_INT >= 18) {
Trace.beginSection(sectionName);
}
}
public static void endSection(long tag) {
if (Build.VERSION.SDK_INT >= 18) {
Trace.endSection();
}
}
public static void beginAsyncSection(
long tag,
final String sectionName,
final int cookie) {
}
public static void endAsyncSection(
long tag,
final String sectionName,
final int cookie) {
}
public static void traceCounter(
long tag,
final String counterName,
final int counterValue) {
}
public static void startAsyncFlow(
long tag,
final String sectionName,
final int cookie){
}
public static void stepAsyncFlow(
long tag,
final String sectionName,
final int cookie){
}
public static void endAsyncFlow(
long tag,
final String sectionName,
final int cookie){
}
}