Merge "Relax angle-related false touch classification." into pi-dev (e6e60c99) · Commits · e / os / android_frameworks_base

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

+24 −3

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}
		}

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

+0 −2

Original line number	Diff line number	Diff line
		@@ -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++;

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

+19 −3

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}
		}
		No newline at end of file