18 lines
620 B
Kotlin
18 lines
620 B
Kotlin
package jp.juggler.subwaytooter.pref.impl
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import android.content.SharedPreferences
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class BooleanPref(key: String, defVal: Boolean) : BasePref<Boolean>(key, defVal) {
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override fun readFrom(pref: SharedPreferences): Boolean =
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pref.getBoolean(key, defVal)
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// put if value is not default, remove if value is same to default
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override fun put(editor: SharedPreferences.Editor, v: Boolean) {
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if (v == defVal) editor.remove(key) else editor.putBoolean(key, v)
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}
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override fun hasNonDefaultValue(pref: SharedPreferences) =
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defVal != pref.getBoolean(key, defVal)
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}
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