isabellekim 36b760d220 Change ripples on MaterialButton to use the alphas provided in the ColorStateList.
RippleDrawable on different API levels will modulate the alphas differently
for the pressed / focused / hovered states. Therefore, in order to get the
desired alphas for pressed / focused / hovered states, we are using the
mtrl_(low|high)_ripple_(pressed|focused|hovered|default)_alpha values which have
been defined to account for the different implementations of RippleDrawable.

This will allow developers to specify different colors for focused vs. pressed if desired.

PiperOrigin-RevId: 255306749
2019-07-03 13:50:29 -04:00

40 lines
1.3 KiB
Java

/*
* Copyright 2019 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
*
* https://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 com.google.android.material.shape;
import androidx.annotation.NonNull;
/**
* Provides a mechanism to uniformly modify the {@link ShapeAppearanceModel} that backs a
* component or {@link android.graphics.drawable.Drawable}'s shape.
*/
public interface Shapeable {
/**
* Sets the {@link ShapeAppearanceModel} that defines the shape.
*/
void setShapeAppearanceModel(@NonNull ShapeAppearanceModel shapeAppearanceModel);
/**
* Returns the {@link ShapeAppearanceModel} used for the shape definition.
*
* <p>This {@link ShapeAppearanceModel} can be modified to change the shape.
*/
@NonNull
ShapeAppearanceModel getShapeAppearanceModel();
}