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/*
* Copyright 2018 Allan Wang
*
* 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 ca.allanwang.kau.ui
import android.content.res.ColorStateList
import android.graphics.drawable.ColorDrawable
import android.graphics.drawable.RippleDrawable
import android.os.Build
import androidx.annotation.ColorInt
import androidx.annotation.RequiresApi
import ca.allanwang.kau.utils.adjustAlpha
/**
* Created by Allan Wang on 2017-06-24.
*
* Tries to mimic a standard ripple, given the foreground and background colors
*/
@RequiresApi(Build.VERSION_CODES.LOLLIPOP)
fun createSimpleRippleDrawable(@ColorInt foregroundColor: Int, @ColorInt backgroundColor: Int): RippleDrawable {
val states = ColorStateList(arrayOf(intArrayOf()), intArrayOf(foregroundColor))
val content = ColorDrawable(backgroundColor)
val mask = ColorDrawable(foregroundColor.adjustAlpha(0.16f))
return RippleDrawable(states, content, mask)
}
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