31 lines
987 B
Kotlin
31 lines
987 B
Kotlin
package eu.kanade.tachiyomi.widget
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import android.content.Context
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import android.util.AttributeSet
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import androidx.viewpager.widget.ViewPager
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/**
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* A [ViewPager] that sets its height to the maximum height of its children.
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* This is a way to mimic WRAP_CONTENT for its height.
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*/
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class MaxHeightViewPager(context: Context, attrs: AttributeSet?) : ViewPager(context, attrs) {
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override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
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var measuredHeight = heightMeasureSpec
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var height = 0
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for (i in 0 until childCount) {
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val child = getChildAt(i)
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child.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED))
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val h = child.measuredHeight
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if (h > height) height = h
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}
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if (height != 0) {
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measuredHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)
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}
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super.onMeasure(widthMeasureSpec, measuredHeight)
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}
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}
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