ivanvasheka

import android.content.SharedPreferences
import kotlin.properties.ReadWriteProperty
import kotlin.reflect.KProperty

fun SharedPreferences.boolean(defaultValue: Boolean, key: String = ""): SharedPreferencesBooleanDelegate {
    return SharedPreferencesBooleanDelegate(this, key, defaultValue)
}

fun SharedPreferences.float(defaultValue: Float, key: String = ""): SharedPreferencesFloatDelegate {
    return SharedPreferencesFloatDelegate(this, key, defaultValue)

ivanvasheka

public class DatabaseHelper extends SQLiteOpenHelper {

    public static final String DATABASE_NAME = "utilities.db";
    private static final int DATABASE_VERSION = 3;

    public DatabaseHelper(Context context) {
        super(context, DATABASE_NAME, null, DATABASE_VERSION);
    }

    @Override

ivanvasheka

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <color name="material_red_50">#ffebee</color>
    <color name="material_red_100">#ffcdd2</color>
    <color name="material_red_200">#ef9a9a</color>
    <color name="material_red_300">#e57373</color>
    <color name="material_red_400">#ef5350</color>
    <color name="material_red_500">#f44336</color>
    <color name="material_red_600">#e53935</color>