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[Android/Kotlin]コードからtextViewに取り消し線を付ける

Last updated at Posted at 2020-09-23

結論

kotlin
textView.paint.flags = textView.paintFlags or Paint.STRIKE_THRU_TEXT_FLAG // 取り消し線
xml
<TextView
    android:id="@+id/textView"/>

textView.paint.flags = Paint.STRIKE_THRU_TEXT_FLAGだけだとアンチエイリアスが切れてギザギザになる

別解

paint.flagspaintFlagsでもいいらしい

kotlin
textView.paintFlags = textView.paintFlags or Paint.STRIKE_THRU_TEXT_FLAG // 取り消し線

取り消し線とアンチエイリアスは個別に指定しても良さそう

kotlin
textView.paint.flags = Paint.STRIKE_THRU_TEXT_FLAG // 取り消し線
textView.paint.isAntiAlias = true // アンチエイリアス

その他

STRIKE_THRU_TEXT_FLAGのところ変えれば下線とかもできる

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