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Last active December 1, 2017 11:42
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AndroidOのfindViewByIdの仕様変更 ref: https://qiita.com/kubode/items/c7fe9c091fdf5533d36b
Raw
file0.txt
// こっちだとTextView!!になるので
val text26_1 = findViewById<TextView>(android.R.id.text2)
// 型を明示するほうが良さそう
val text26_2: TextView = findViewById(android.R.id.text2)
Raw
file1.txt
// compileSdkVersion 25
@Suppress("UNCHECKED_CAST")
fun <V : View?> Activity.find(@IdRes id: Int): V = findViewById(id) as V
// compileSdkVersion 26
fun <V : View?> Activity.find(@IdRes id: Int): V = findViewById<V>(id)
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