FloatLayout.java

/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.constraintlayout.motion.widget;

/**
 *  Add support to views that do floating point layout.
 *  This can be useful to allow objects within the view to animate smoothly
 */
public interface FloatLayout {
      /**
       * To convert to regular layout 
       * l = (int)(0.5f + lf);
       * You are expected to do your own measure if you need it.
       * This will be called only during animation.
       * @param lf
       * @param tf
       * @param rf
       * @param bf
       */
      void layout(float lf, float tf, float rf, float bf);
}