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Merge "Relax angle-related false touch classification." into pi-dev

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This commit is contained in:
Steve Pfetsch
2018-04-03 20:31:31 +00:00
committed by Android (Google) Code Review
parent 7d1357723d 2f5dd98a4d
commit 7f3e5bb053
3 changed files with 43 additions and 8 deletions
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27
packages/SystemUI/src/com/android/systemui/classifier/AnglesClassifier.java
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@@ -16,6 +16,9 @@
package com.android.systemui.classifier;
import android.os.Build;
import android.os.SystemProperties;
import android.util.Log;
import android.view.MotionEvent;
import java.util.ArrayList;
@@ -49,13 +52,18 @@ import java.util.List;
public class AnglesClassifier extends StrokeClassifier {
private HashMap<Stroke, Data> mStrokeMap = new HashMap<>();
public static final boolean VERBOSE = SystemProperties.getBoolean("debug.falsing_log.ang",
Build.IS_DEBUGGABLE);
private static String TAG = "ANG";
public AnglesClassifier(ClassifierData classifierData) {
mClassifierData = classifierData;
}
@Override
public String getTag() {
return "ANG";
return TAG;
}
@Override
@@ -170,18 +178,31 @@ public class AnglesClassifier extends StrokeClassifier {
public float getAnglesVariance() {
float anglesVariance = getAnglesVariance(mSumSquares, mSum, mCount);
if (VERBOSE) {
FalsingLog.i(TAG, "getAnglesVariance: (first pass) " + anglesVariance);
FalsingLog.i(TAG, " - mFirstLength=" + mFirstLength);
FalsingLog.i(TAG, " - mLength=" + mLength);
}
if (mFirstLength < mLength / 2f) {
anglesVariance = Math.min(anglesVariance, mFirstAngleVariance
+ getAnglesVariance(mSecondSumSquares, mSecondSum, mSecondCount));
if (VERBOSE) FalsingLog.i(TAG, "getAnglesVariance: (second pass) " + anglesVariance);
}
return anglesVariance;
}
public float getAnglesPercentage() {
if (mAnglesCount == 0.0f) {
if (VERBOSE) FalsingLog.i(TAG, "getAnglesPercentage: count==0, result=1");
return 1.0f;
}
return (Math.max(mLeftAngles, mRightAngles) + mStraightAngles) / mAnglesCount;
final float result = (Math.max(mLeftAngles, mRightAngles) + mStraightAngles) / mAnglesCount;
if (VERBOSE) {
FalsingLog.i(TAG, "getAnglesPercentage: left=" + mLeftAngles + " right="
+ mRightAngles + " straight=" + mStraightAngles + " count=" + mAnglesCount
+ " result=" + result);
}
return result;
}
}
}
}

2
packages/SystemUI/src/com/android/systemui/classifier/AnglesVarianceEvaluator.java
View File

@@ -20,8 +20,6 @@ public class AnglesVarianceEvaluator {
public static float evaluate(float value, int type) {
final boolean secureUnlock = type == Classifier.BOUNCER_UNLOCK;
float evaluation = 0.0f;
if (value > 0.05) evaluation++;
if (value > 0.10) evaluation++;
if (value > 0.20) evaluation++;
if (value > 0.40 && !secureUnlock) evaluation++;
if (value > 0.80 && !secureUnlock) evaluation++;

22
packages/SystemUI/src/com/android/systemui/classifier/SpeedAnglesClassifier.java
View File

@@ -16,6 +16,8 @@
package com.android.systemui.classifier;
import android.os.Build;
import android.os.SystemProperties;
import android.view.MotionEvent;
import java.util.ArrayList;
@@ -34,6 +36,10 @@ import java.util.List;
* should be in this interval.
*/
public class SpeedAnglesClassifier extends StrokeClassifier {
public static final boolean VERBOSE = SystemProperties.getBoolean("debug.falsing_log.spd_ang",
Build.IS_DEBUGGABLE);
public static final String TAG = "SPD_ANG";
private HashMap<Stroke, Data> mStrokeMap = new HashMap<>();
public SpeedAnglesClassifier(ClassifierData classifierData) {
@@ -42,7 +48,7 @@ public class SpeedAnglesClassifier extends StrokeClassifier {
@Override
public String getTag() {
return "SPD_ANG";
return TAG;
}
@Override
@@ -135,14 +141,24 @@ public class SpeedAnglesClassifier extends StrokeClassifier {
}
public float getAnglesVariance() {
return mSumSquares / mCount - (mSum / mCount) * (mSum / mCount);
final float v = mSumSquares / mCount - (mSum / mCount) * (mSum / mCount);
if (VERBOSE) {
FalsingLog.i(TAG, "getAnglesVariance: sum^2=" + mSumSquares
+ " count=" + mCount + " result=" + v);
}
return v;
}
public float getAnglesPercentage() {
if (mAnglesCount == 0.0f) {
return 1.0f;
}
return (mAcceleratingAngles) / mAnglesCount;
final float v = (mAcceleratingAngles) / mAnglesCount;
if (VERBOSE) {
FalsingLog.i(TAG, "getAnglesPercentage: angles=" + mAcceleratingAngles
+ " count=" + mAnglesCount + " result=" + v);
}
return v;
}
}
}