Merge "Fix issues with swiping on some devices."

import android.util.Slog;

import android.util.TypedValue;

import android.view.MotionEvent;

import android.view.ViewConfiguration;

import java.util.ArrayList;

    private static final float MIN_CM_BETWEEN_SAMPLES = 0.25f;

    private final float mMinPixelsBetweenSamplesX;

    private final float mMinPixelsBetweenSamplesY;

    // The minmimum distance the finger must travel before we evaluate the initial direction of the

    // swipe.

    // Anything less is still considered a touch.

    private int mTouchSlop;

    // Constants for separating gesture segments

    private static final float ANGLE_THRESHOLD = 0.0f;

        final float pixelsPerCmY = displayMetrics.ydpi / 2.54f;

        mMinPixelsBetweenSamplesX = MIN_CM_BETWEEN_SAMPLES * pixelsPerCmX;

        mMinPixelsBetweenSamplesY = MIN_CM_BETWEEN_SAMPLES * pixelsPerCmY;

        mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();

        clear();

    }

                            + Float.toString(mGestureDetectionThreshold));

        }

        if (getState() == STATE_CLEAR) {

            if (mStrokeBuffer.size() == 0) {

            if (moveDelta < mTouchSlop) {

                // This still counts as a touch not a swipe.

                return;

            } else if (mStrokeBuffer.size() == 0) {

                // First, make sure the pointer is going in the right direction.

                cancelAfterDelay(event, rawEvent, policyFlags);

                int direction = toDirection(x - mBaseX, y - mBaseY);