compat/src/main/java/androidx/core/widget/EdgeEffectCompat.java
@Deprecated
    public boolean onPull(float deltaDistance, float displacement) {
        onPull(mEdgeEffect, deltaDistance, displacement);
        return true;
    }
/**
     * A view should call this when content is pulled away from an edge by the user.
     * This will update the state of the current visual effect and its associated animation.
     * The host view should always {@link android.view.View#invalidate()} if this method
     * returns true and draw the results accordingly.
     *
     * Views using {@link EdgeEffect} should favor {@link EdgeEffect#onPull(float, float)} when
     * the displacement of the pull point is known.
     *
     * @param deltaDistance Change in distance since the last call. Values may be 0 (no change) to
     *                      1.f (full length of the view) or negative values to express change
     *                      back toward the edge reached to initiate the effect.
     * @param displacement The displacement from the starting side of the effect of the point
     *                     initiating the pull. In the case of touch this is the finger position.
     *                     Values may be from 0-1.
     * @return true if the host view should call invalidate, false if it should not.
     *
     * @deprecated Use {@link EdgeEffect#onPull(float)} directly.
     */
A view should call this when content is pulled away from an edge by the user.
This will update the state of the current visual effect and its associated animation.
The host view should always  android.view.View#invalidate() if this method
returns true and draw the results accordingly.

Views using  EdgeEffect should favor  EdgeEffect#onPull(float, float) when
the displacement of the pull point is known.

@param deltaDistance Change in distance since the last call. Values may be 0 (no change) to
1.f (full length of the view) or negative values to express change
back toward the edge reached to initiate the effect.
@param displacement The displacement from the starting side of the effect of the point
initiating the pull. In the case of touch this is the finger position.
Values may be from 0-1.
@return true if the host view should call invalidate, false if it should not.


A view should call this when content is pulled away from an edge by the user . This will update the state of the current visual effect and its associated animation . The host view should always android . view . View#invalidate () if this method returns true and draw the results accordingly . Views using EdgeEffect should favor EdgeEffect#onPull ( float float ) when the displacement of the pull point is known . @param deltaDistance Change in distance since the last call . Values may be 0 ( no change ) to 1 . f ( full length of the view ) or negative values to express change back toward the edge reached to initiate the effect . @param displacement The displacement from the starting side of the effect of the point initiating the pull . In the case of touch this is the finger position . Values may be from 0 - 1 . @return true if the host view should call invalidate false if it should not .
@Deprecated
    public boolean onPull(float deltaDistance, float displacement) {
        onPull(mEdgeEffect, deltaDistance, displacement);
        return true;
    }
@ Deprecated public boolean onPull ( float deltaDistance , float displacement ) { onPull ( mEdgeEffect , deltaDistance , displacement ) ; return true ; }
A view should call this when content is pulled away from an edge by the user.
A view should call this when content is pulled away from an edge by the user .