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/*
* Copyright (C) 2010 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 android.os;
import com.android.layoutlib.bridge.impl.DelegateManager;
import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
import com.android.tools.layoutlib.java.System_Delegate;
/**
* Delegate implementing the native methods of android.os.SystemClock
*
* Through the layoutlib_create tool, the original native methods of SystemClock have been replaced
* by calls to methods of the same name in this delegate class.
*
* Because it's a stateless class to start with, there's no need to keep a {@link DelegateManager}
* around to map int to instance of the delegate.
*
*/
public class SystemClock_Delegate {
/**
* Returns milliseconds since boot, not counting time spent in deep sleep.
* <b>Note:</b> This value may get reset occasionally (before it would
* otherwise wrap around).
*
* @return milliseconds of non-sleep uptime since boot.
*/
@LayoutlibDelegate
/*package*/ static long uptimeMillis() {
return System_Delegate.currentTimeMillis() - System_Delegate.bootTimeMillis();
}
/**
* Returns milliseconds since boot, including time spent in sleep.
*
* @return elapsed milliseconds since boot.
*/
@LayoutlibDelegate
/*package*/ static long elapsedRealtime() {
return System_Delegate.currentTimeMillis() - System_Delegate.bootTimeMillis();
}
/**
* Returns nanoseconds since boot, including time spent in sleep.
*
* @return elapsed nanoseconds since boot.
*/
@LayoutlibDelegate
/*package*/ static long elapsedRealtimeNanos() {
return System_Delegate.nanoTime() - System_Delegate.bootTime();
}
/**
* Returns milliseconds running in the current thread.
*
* @return elapsed milliseconds in the thread
*/
@LayoutlibDelegate
/*package*/ static long currentThreadTimeMillis() {
return System_Delegate.currentTimeMillis();
}
/**
* Returns microseconds running in the current thread.
*
* @return elapsed microseconds in the thread
*
* @hide
*/
@LayoutlibDelegate
/*package*/ static long currentThreadTimeMicro() {
return System_Delegate.currentTimeMillis() * 1000;
}
/**
* Returns current wall time in microseconds.
*
* @return elapsed microseconds in wall time
*
* @hide
*/
@LayoutlibDelegate
/*package*/ static long currentTimeMicro() {
return elapsedRealtime() * 1000;
}
}
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