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@k-yamada-githubin

株式会社ソニックス

API23未満でButtonにsetDrawableTintを使う

Last updated at 2018-07-18Posted at 2018-07-18

Code(Kotlin)

app/build.gradle

android {
    ....
    dataBinding {
        enabled = true
    }
}

BindingAdapter.kt

import android.databinding.BindingAdapter
import android.graphics.PorterDuff
import android.widget.Button

@BindingAdapter("app:drawableTintCompat")
fun Button.setDrawableTintCompat(color: Int) {
    val drawables = compoundDrawablesRelative
    for (drawable in drawables) {
        drawable?.setColorFilter(color, PorterDuff.Mode.SRC_ATOP)
    }
}

Layout

    <Button
        ...
        app:drawableTintCompat="@{@color/colorPrimary}"
    />

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