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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.mozilla.thirdparty.com.google.android.exoplayer2.util;
import android.annotation.TargetApi;
import org.mozilla.thirdparty.com.google.android.exoplayer2.ExoPlayerLibraryInfo;
/**
* Calls through to {@link android.os.Trace} methods on supported API levels.
*/
public final class TraceUtil {
private TraceUtil() {}
/**
* Writes a trace message to indicate that a given section of code has begun.
*
* @see android.os.Trace#beginSection(String)
* @param sectionName The name of the code section to appear in the trace. This may be at most 127
* Unicode code units long.
*/
public static void beginSection(String sectionName) {
if (ExoPlayerLibraryInfo.TRACE_ENABLED && Util.SDK_INT >= 18) {
beginSectionV18(sectionName);
}
}
/**
* Writes a trace message to indicate that a given section of code has ended.
*
* @see android.os.Trace#endSection()
*/
public static void endSection() {
if (ExoPlayerLibraryInfo.TRACE_ENABLED && Util.SDK_INT >= 18) {
endSectionV18();
}
}
@TargetApi(18)
private static void beginSectionV18(String sectionName) {
android.os.Trace.beginSection(sectionName);
}
@TargetApi(18)
private static void endSectionV18() {
android.os.Trace.endSection();
}
}
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