app/src/main/java/net/lacolaco/smileessence/view/preference/IntegerListPreference.kt


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package net.lacolaco.smileessence.view.preference

import android.annotation.TargetApi
import android.content.Context
import android.os.Build
import android.preference.ListPreference
import android.util.AttributeSet

class IntegerListPreference : ListPreference {
    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes)

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr)

    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)

    constructor(context: Context) : super(context)

    override fun persistString(value: String): Boolean {
        return persistInt(Integer.valueOf(value)!!)
    }

    override fun getPersistedString(defaultReturnValue: String?): String {
        return getPersistedInt(-1).toString()
    }
}