Translated to Kotlin #6
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| name = getString(R.string.anon) | ||
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| savedInstanceState?.getString(NAME_KEY)?.let { | ||
| name = it | ||
| } |
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Наверное не имеет смысла предварительно получать R.string.anon
можно записать это более лаконично, используя оператор Элвис:
name = savedInstanceState?.getString(NAME_KEY) ?: getString(R.string.anon)
| data.getStringExtra((NewSecondActivity.NAME_KEY))?.let{ | ||
| name = it | ||
| } | ||
| } |
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можно упростить условие и убрать из него data != null
вместо этого воспользуемся безопасным вызовом: ?.
data?.getStringExtra(NewSecondActivity.NAME_KEY)?.let{ name = it }
и лишние двойные скобки
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| companion object { | ||
| const val NAME_KEY = "com.example.kotlinhomework.MainActivity.NAME_KEY" |
| } | ||
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| override fun afterTextChanged(s: Editable?) { | ||
| s?.let { |
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или можно так:
if (s.isNullOrEmpty().not()) button.isEnabled = true
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