Android/frameworks_base
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HIC: Base on elapsed time instead of RTC

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am: bbb6919945

Change-Id: I9fd3f71e341f612e4208604975ccc608ec87852c
This commit is contained in:
Adrian Roos
2016-07-27 22:00:44 +00:00
committed by android-build-merger
parent 8d896f92f0 bbb6919945
commit 28edf32edb
1 changed files with 10 additions and 5 deletions
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15
packages/SystemUI/src/com/android/systemui/classifier/HistoryEvaluator.java
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@@ -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) {