HIC: Base on elapsed time instead of RTC (bbb69199) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/classifier/HistoryEvaluator.java

+10 −5

Original line number	Original line	Diff line number	Diff line
	@@ -16,6 +16,8 @@

	package com.android.systemui.classifier;		package com.android.systemui.classifier;

			import android.os.SystemClock;

	import java.util.ArrayList;		import java.util.ArrayList;

	/**		/**
	@@ -31,7 +33,7 @@ public class HistoryEvaluator {
	private long mLastUpdate;		private long mLastUpdate;

	public HistoryEvaluator() {		public HistoryEvaluator() {
	mLastUpdate = System.currentTimeMillis();		mLastUpdate = SystemClock.elapsedRealtime();
	}		}

	public void addStroke(float evaluation) {		public void addStroke(float evaluation) {
	@@ -69,15 +71,18 @@ public class HistoryEvaluator {
	}		}

	private void decayValue() {		private void decayValue() {
	long currentTimeMillis = System.currentTimeMillis();		long time = SystemClock.elapsedRealtime();

			if (time <= mLastUpdate) {
			return;
			}

	// All weights are multiplied by HISTORY_FACTOR after each INTERVAL milliseconds.		// All weights are multiplied by HISTORY_FACTOR after each INTERVAL milliseconds.
	float factor = (float) Math.pow(HISTORY_FACTOR,		float factor = (float) Math.pow(HISTORY_FACTOR, (time - mLastUpdate) / INTERVAL);
	(float) (currentTimeMillis - mLastUpdate) / INTERVAL);

	decayValue(mStrokes, factor);		decayValue(mStrokes, factor);
	decayValue(mGestureWeights, factor);		decayValue(mGestureWeights, factor);
	mLastUpdate = currentTimeMillis;		mLastUpdate = time;
	}		}

	private void decayValue(ArrayList<Data> list, float factor) {		private void decayValue(ArrayList<Data> list, float factor) {