{"id":31843,"date":"2019-10-31T21:43:27","date_gmt":"2019-10-31T18:43:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/sozdanie-kalkulyatora-chaevyh-na-kotlin-kak-eto-rabotaet\/"},"modified":"2019-10-31T21:43:27","modified_gmt":"2019-10-31T18:43:27","slug":"sozdanie-kalkulyatora-chaevyh-na-kotlin-kak-eto-rabotaet","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/sozdanie-kalkulyatora-chaevyh-na-kotlin-kak-eto-rabotaet","title":{"rendered":"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/faaae0beaf023f1c11bb9102312fe429.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nPovieme v\u00e1m, ako vytvori\u0165 jednoduch\u00fa aplik\u00e1ciu na v\u00fdpo\u010det spropitn\u00e9ho v jazyku Kotlin. Presnej\u0161ie, ide o Kotlin 1.3.21, Android 4, Android Studio 3. \u010cl\u00e1nok bude zauj\u00edmav\u00fd predov\u0161etk\u00fdm pre t\u00fdch, ktor\u00ed za\u010d\u00ednaj\u00fa svoju cestu vo v\u00fdvoji Android aplik\u00e1ci\u00ed. Pom\u00e1ha pochopi\u0165, \u010do a ako funguje vo vn\u00fatri aplik\u00e1cie. <\/p>\n<p>Tak\u00fdto kalkul\u00e1tor sa hod\u00ed, ke\u010f je potrebn\u00e9 spo\u010d\u00edta\u0165 v\u00fd\u0161ku spropitn\u00e9ho na firemnej akcii v re\u0161taur\u00e1cii alebo kaviarni. Samozrejme, nie v\u0161etci a nie v\u017edy zanech\u00e1vaj\u00fa \u010da\u0161n\u00edkom spropitn\u00e9, je to viac z\u00e1padn\u00e1 trad\u00edcia, ale proces v\u00fdvoja takejto aplik\u00e1cie je v ka\u017edom pr\u00edpade zauj\u00edmav\u00fd. <br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<blockquote><p><b>Pripom\u00edname:<\/b> <i>pre v\u0161etk\u00fdch \u010ditate\u013eov \u201eHabr\u201c \u2014 z\u013eava 10 000 rub\u013eov pri zap\u00edsan\u00ed na ak\u00fdko\u013evek kurz Skillbox s promo k\u00f3dom \u201eHabr\u201c.<\/i><\/p>\n<p><b>Skillbox odpor\u00fa\u010da:<\/b> Praktick\u00fd kurz <noindex><a rel=\"nofollow\" href=\"https:\/\/skillbox.ru\/agima\/?utm_source=skillbox.media&amp;utm_medium=habr.com&amp;utm_campaign=AGIMA&amp;utm_content=articles&amp;utm_term=kotlintips\">Mobiln\u00fd v\u00fdvoj\u00e1r PRO<\/a><\/noindex>.\n<\/p><\/blockquote>\n<p>\nTakto vyzer\u00e1 aplik\u00e1cia po\u010das prev\u00e1dzky:<\/p>\n<p><img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/fa375744a4ca5d07667ec494db38648b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nZad\u00e1te po\u017eadovan\u00e9 percento z celkovej sumy, po\u010det \u00fa\u010dastn\u00edkov stretnutia a dostanete v\u00fdsledok \u2013 sumu spropitn\u00e9ho, ktor\u00fa by ste mali zanecha\u0165.<\/p>\n<h3>Za\u010d\u00edname<\/h3>\n<p>\n\u00dapln\u00e9 rozhranie aplik\u00e1cie vyzer\u00e1 nasledovne:<br \/>\n<img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/e95058f09c4a6c151b6c5500ae549c0e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\n<img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/ac31c73ade24640078c76d71700de0b4.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nPrvou \u010dinnos\u0165ou je <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lawreyios\/tipcalculator\/tree\/starter_project\">na\u010d\u00edtanie z\u00e1kladne projektu<\/a><\/noindex>. Otvor\u00edme ju v Android Studio 3.0 alebo nov\u0161ej verzii. Vytvor\u00edme a spust\u00edme projekt a vid\u00edme bielu obrazovku. V\u0161etko je v poriadku, tak to m\u00e1 by\u0165.<\/p>\n<p><img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/f4e3361ddc45d56794cc5c7c36d8b206.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\n<img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/7828c10dcb3936eb095f5110094ea8bf.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nAkcie pou\u017e\u00edvate\u013ea s\u00fa v projekte uveden\u00e9 chronologicky, aby bolo v\u0161etko jasn\u00e9. Pre jeho preh\u013ead otvor\u00edme View -&gt; Tool Windows -&gt; TODO.<\/p>\n<p>Presk\u00famame projekt a otvor\u00edme colors.xml, aby sme pos\u00fadili farebn\u00fa paletu. V strings.xml s\u00fa umiestnen\u00e9 textov\u00e9 \u00fadaje (popisy) a v styles.xml je nieko\u013eko \u0161abl\u00f3n p\u00edsiem.<\/p>\n<h3>V\u00fdvoj sekcie n\u00e1kladov<\/h3>\n<p>\nOtvor\u00edme activity_main.xml a prid\u00e1me ni\u017e\u0161ie uveden\u00fd k\u00f3d do LinearLayout (#1):<\/p>\n<pre><code class=\"kotlin\"><\/code><\/pre>\n<p>\nTeraz m\u00f4\u017eeme upravi\u0165 \u0161t\u00fdl adres\u00e1ra values alebo experimentova\u0165 s farbami, pomocou <noindex><a rel=\"nofollow\" href=\"https:\/\/material.io\/tools\/color\/#!\/?view.left=0&amp;view.right=0&amp;primary.color=37474F\">n\u00e1stroja material.io<\/a><\/noindex>.<\/p>\n<p>Moment\u00e1lne projekt vyzer\u00e1 takto:<\/p>\n<p><img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/ab47023cafd97fdbd171a9d9a1c35dd5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i> Ako vid\u00edte, v\u00fdpo\u010det n\u00e1kladov sa vykon\u00e1va na z\u00e1klade \u00fadajov, ktor\u00e9 zad\u00e1va pou\u017e\u00edvate\u013e. <\/i><\/p>\n<h3>V\u00fdvoj sekcie \u00fa\u010dtov<\/h3>\n<p>\nPrid\u00e1me k\u00f3d uveden\u00fd ni\u017e\u0161ie do LinearLayout po Expense Section (#2):<\/p>\n<pre><code class=\"kotlin\">&lt;! \u2014 TODO #3: Vybudova\u0165 sekciu \u00fa\u010dtov \u2192\n\n\u2026<\/code><\/pre>\n<p>\nZatv\u00e1rame LinearLayout po zozname TODOs a potom prid\u00e1me nov\u00fd k\u00f3d, umiest\u0148uj\u00fac ho do LinearLayout (#3):<\/p>\n<pre><code class=\"kotlin\"><\/code><\/pre>\n<p>\nKe\u010f\u017ee hlavnou \u00falohou aplik\u00e1cie je v\u00fdpo\u010det individu\u00e1lnych n\u00e1kladov pre ka\u017ed\u00e9ho \u00fa\u010dastn\u00edka posedenia v re\u0161taur\u00e1cii, k\u013e\u00fa\u010dov\u00fa \u00falohu zohr\u00e1va costPerPersonTextView. <\/p>\n<p>EditText obmedzuje vkladanie \u00fadajov na jeden riadok, t\u00e1to parameter by mal ma\u0165 hodnotu NumberDecimal inputType.<\/p>\n<p><img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/7dc4e90d8188a08933e7a92b119472ee.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i> Sp\u00fa\u0161\u0165ame projekt na testovanie a zad\u00e1vame parametre celkov\u00fdch \u0161k\u00f4d (rozbit\u00e9 \u0161\u00e1lky, taniere at\u010f.)<\/i><\/p>\n<h3>V\u00fdvoj sekcie \u201e\u013dudia a tipy\u201c<\/h3>\n<p>\nAby sme pridali v\u00fdber v\u00fd\u0161ky tipov, vlo\u017e\u00edme nasleduj\u00faci k\u00f3d do novej sekcie LinearLayout (#4):<\/p>\n<pre><code class=\"kotlin\"><\/code><\/pre>\n<p>\nTento \u00fasek k\u00f3du je nevyhnutn\u00fd na presn\u00fd v\u00fdpo\u010det sumy tipov. Predvolen\u00e9 textov\u00e9 hodnoty s\u00fa 20. ImageButtons s\u00fa vybaven\u00e9 ikonami v prie\u010dinku s opr\u00e1vneniami na z\u00e1pis.<\/p>\n<p>\u00daplne kop\u00edrujeme sekciu a prid\u00e1vame nasleduj\u00face (#5):<\/p>\n<ul>\n<li> ImageButton ids (subtractPeopleButton, addPeopleButton)<\/li>\n<li> TextView ids (numberOfPeopleStaticText, numberOfPeopleTextView)<\/li>\n<li> DefaultText pre numberOfPeopleTextView (m\u00e1 by\u0165 4).<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/df99acfb33c3d27126db807b805c9c87.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nTeraz pri spusten\u00ed aplik\u00e1cie je mo\u017en\u00e9 prida\u0165 sumu \u00fa\u010dtu, tla\u010didl\u00e1 \u201ePrida\u0165\/Vy\u0148a\u0165\u201c funguj\u00fa, ale zatia\u013e ni\u010d sa nedeje.<\/p>\n<h3>Prid\u00e1vame Views<\/h3>\n<p>\nOtv\u00e1rame MainActivity.kt a prid\u00e1vame toto do funkcie initViews (#6):<\/p>\n<pre><code class=\"kotlin\">private fun initViews() {\n        expensePerPersonTextView = findViewById(R.id.expensePerPersonTextView)\n        billEditText = findViewById(R.id.billEditText)\n\naddTipButton = findViewById(R.id.addTipButton)\n        tipTextView = findViewById(R.id.tipTextView)\n        subtractTipButton = findViewById(R.id.subtractTipButton)\n\naddPeopleButton = findViewById(R.id.addPeopleButton)\n        numberOfPeopleTextView = findViewById(R.id.numberOfPeopleTextView)\n        subtractPeopleButton = findViewById(R.id.subtractPeopleButton)\n\n\/\/TODO #8: Bind Buttons to Listener\n\n\/\/TODO #16: Bind EditText to TextWatcher\n}<\/code><\/pre>\n<p><\/p>\n<h3>Dokon\u010dujeme tla\u010didl\u00e1<\/h3>\n<p>\nAby sme pridali podporu pre kliknutia na tla\u010didl\u00e1, implementujeme View.OnClickListener na \u00farovni triedy (#7):<\/p>\n<p>class MainActivity: AppCompatActivity(), View.OnClickListener {<\/p>\n<p>Skompilova\u0165 projekt pr\u00e1ve teraz nebude mo\u017en\u00e9, treba vykona\u0165 e\u0161te nieko\u013eko krokov (#8):<\/p>\n<pre><code class=\"kotlin\">override fun onClick(v: View?) {\n        when (v?.id) {\n            R.id.addTipButton -&gt; incrementTip()\n            R.id.subtractTipButton -&gt; decrementTip()\n            R.id.addPeopleButton -&gt; incrementPeople()\n            R.id.subtractPeopleButton -&gt; decrementPeople()\n        }\n    }<\/code><\/pre>\n<p>\nPokia\u013e ide o tla\u010didl\u00e1 a prep\u00edna\u010de, Kotlin je ve\u013emi dobre organizovan\u00fd! Pridajte ni\u017e\u0161ie uveden\u00fd k\u00f3d do v\u0161etk\u00fdch funkci\u00ed increment a decrement<br \/>\n (#9\u200a\u2013#12):<\/p>\n<pre><code class=\"kotlin\">private fun incrementTip() {\n        if (tipPercent != MAX_TIP) {\n            tipPercent += TIP_INCREMENT_PERCENT\n            tipTextView.text = String.format(\"%d%%\", tipPercent)\n        }\n    }\n\nprivate fun decrementTip() {\n        if (tipPercent != MIN_TIP) {\n            tipPercent -= TIP_INCREMENT_PERCENT\n            tipTextView.text = String.format(\"%d%%\", tipPercent)\n        }\n    }\n\nprivate fun incrementPeople() {\n        if (numberOfPeople != MAX_PEOPLE) {\n            numberOfPeople += PEOPLE_INCREMENT_VALUE\n            numberOfPeopleTextView.text = numberOfPeople.toString()\n        }\n    }\n\nprivate fun decrementPeople() {\n        if (numberOfPeople != MIN_PEOPLE) {\n            numberOfPeople -= PEOPLE_INCREMENT_VALUE\n            numberOfPeopleTextView.text = numberOfPeople.toString()\n        }\n    }<\/code><\/pre>\n<p>\nTento k\u00f3d zabezpe\u010duje funkcie pr\u00edrastkov s maxim\u00e1lnymi hodnotami (MAX_TIP &amp; MAX_PEOPLE). Okrem toho k\u00f3d zabezpe\u010duje funkcie dekr\u00e9cie s minim\u00e1lnymi hodnotami (MIN_TIP &amp; MIN_PEOPLE).<\/p>\n<p>Teraz prepojte tla\u010didl\u00e1 so sledova\u010dmi v funkcii initViews (#13):<\/p>\n<pre><code class=\"kotlin\">private fun initViews() {\n\n...\n\naddTipButton.setOnClickListener(this)\n        subtractTipButton.setOnClickListener(this)\n\naddPeopleButton.setOnClickListener(this)\n        subtractPeopleButton.setOnClickListener(this)\n\n\/\/TODO #15: Bind EditText to TextWatcher\n}<\/code><\/pre>\n<p>\n<img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/73e7477d4b02548aad7c2112c6be5d80.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nTeraz m\u00f4\u017eeme prid\u00e1va\u0165 celkov\u00e9 n\u00e1klady, sprepitn\u00e9 a po\u010det \u00fa\u010dastn\u00edkov stretnutia. A teraz to najd\u00f4le\u017eitej\u0161ie\u2026<\/p>\n<h3>Sekcia na v\u00fdpo\u010det n\u00e1kladov<\/h3>\n<p>Tento k\u00f3d vypo\u010d\u00edta n\u00e1klady (#14):<\/p>\n<pre><code class=\"kotlin\">private fun calculateExpense() {\n\nval totalBill = billEditText.text.toString().toDouble()\n\nval totalExpense = ((HUNDRED_PERCENT + tipPercent) \/ HUNDRED_PERCENT) * totalBill\n        val individualExpense = totalExpense \/ numberOfPeople\n\nexpensePerPersonTextView.text = String.format(\"$%.2f\", individualExpense)\n\n}<\/code><\/pre>\n<p>\nA tu sa vol\u00e1 funkcia, ktor\u00e1 umo\u017e\u0148uje zoh\u013eadni\u0165 po\u010det \u013eud\u00ed v spolo\u010dnosti a vypo\u010d\u00edta\u0165 sprepitn\u00e9 (#15):<\/p>\n<pre><code class=\"kotlin\">private fun incrementTip() {\n \n\u2026\n \n}\n \nprivate fun decrementTip() {\n \n\u2026\n \n}\n \nprivate fun incrementPeople() {\n \n\u2026\n \n}\n \nprivate fun decrementPeople() {\n \n\u2026\n \n}<\/code><\/pre>\n<p>\nSp\u00fa\u0161\u0165ame aplik\u00e1ciu. Vyzer\u00e1 a funguje v\u00fdborne. No m\u00f4\u017ee by\u0165 aj lep\u0161ie.<\/p>\n<p>Ak sa pok\u00fasite odstr\u00e1ni\u0165 sumu \u00fa\u010dtu a potom zv\u00fd\u0161i\u0165 po\u010det tipov alebo priate\u013eov, aplik\u00e1cia spadne, preto\u017ee pred t\u00fdm neexistuje kontrola na nulov\u00fa hodnotu n\u00e1kladov. \u010co viac, ak sa pok\u00fasite zmeni\u0165 sumu \u00fa\u010dtu, n\u00e1klady sa neaktualizuj\u00fa.<\/p>\n<h3>Fin\u00e1lne kroky<\/h3>\n<p>\nPrid\u00e1vame TextWatcher (#16):<\/p>\n<p>class MainActivity: AppCompatActivity(), View.OnClickListener, TextWatcher {<\/p>\n<p>Potom vklad\u00e1me posluch\u00e1\u010da do billEditText (#17):<\/p>\n<p>billEditText.addTextChangedListener(this)<\/p>\n<p>A prid\u00e1vame k\u00f3d na vykon\u00e1vanie TextWatcher (#18):<\/p>\n<pre><code class=\"kotlin\">override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {\n        if (!billEditText.text.isEmpty()) {\n            calculateExpense()\n        }\n    }\noverride fun afterTextChanged(s: Editable?) {}\n\n    override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}<\/code><\/pre>\n<p>\n<img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/623256a43c969d8b3a434d10a357c1a0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nA teraz funguje \u00faplne v\u0161etko! Gratulujem, nap\u00edsali ste svoj vlastn\u00fd \u201eKalkula\u010dka spropitn\u00e9ho\u201c na Kotline.<\/p>\n<p><img decoding=\"async\" alt=\"Tvorba kalkula\u010dky sprepitn\u00e9ho na Kotlin: ako to funguje?\" src=\"\/wp-content\/uploads\/2019\/04\/5650bfecfadf3fd56785b7d6ac72ed87.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<blockquote><p><b>Skillbox odpor\u00fa\u010da:<\/b><\/p>\n<ul>\n<li>Dvojro\u010dn\u00fd praktick\u00fd kurz <noindex><a rel=\"nofollow\" href=\"https:\/\/iamwebdev.skillbox.ru\/?utm_source=skillbox.media&amp;utm_medium=habr.com&amp;utm_campaign=WEBDEVPRO&amp;utm_content=articles&amp;utm_term=kotlintips\">\u201eJa som Webov\u00fd v\u00fdvoj\u00e1r PRO\u201c<\/a><\/noindex>.<\/li>\n<li>Online kurz <noindex><a rel=\"nofollow\" href=\"https:\/\/skillbox.ru\/c-sharp\/?utm_source=skillbox.media&amp;utm_medium=habr.com&amp;utm_campaign=CSHDEV&amp;utm_content=articles&amp;utm_term=kotlintips\">\u201eC#-v\u00fdvoj\u00e1r\u201c<\/a><\/noindex>.<\/li>\n<li>Praktick\u00fd ro\u010dn\u00fd kurz <noindex><a rel=\"nofollow\" href=\"https:\/\/skillbox.ru\/php\/?utm_source=skillbox.media&amp;utm_medium=habr.com&amp;utm_campaign=PHPDEV&amp;utm_content=articles&amp;utm_term=kotlintips\">\u201ePHP v\u00fdvoj\u00e1r od 0 do PRO\u201c<\/a><\/noindex>.\n<\/li>\n<\/ul>\n<\/blockquote>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/skillbox\/blog\/448582\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u043c, \u043a\u0430\u043a \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0440\u0430\u0441\u0447\u0435\u0442\u0430 \u0447\u0430\u0435\u0432\u044b\u0445 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Kotlin. \u0415\u0441\u043b\u0438 \u0442\u043e\u0447\u043d\u0435\u0435, \u0442\u043e Kotlin 1.3.21, Android 4, Android Studio 3. \u0421\u0442\u0430\u0442\u044c\u044f \u0431\u0443\u0434\u0435\u0442 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e\u0439, \u0432 \u043f\u0435\u0440\u0432\u0443\u044e \u043e\u0447\u0435\u0440\u0435\u0434\u044c, \u0434\u043b\u044f \u0442\u0435\u0445, \u043a\u0442\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442 \u0441\u0432\u043e\u0439 \u043f\u0443\u0442\u044c \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 Android-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u041e\u043d\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u043e\u043d\u044f\u0442\u044c, \u0447\u0442\u043e \u0438 \u043a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0432\u043d\u0443\u0442\u0440\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u0422\u0430\u043a\u043e\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u043f\u0440\u0438\u0433\u043e\u0434\u0438\u0442\u0441\u044f, \u043a\u043e\u0433\u0434\u0430 \u043d\u0443\u0436\u043d\u043e \u043f\u043e\u0434\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u0441\u0443\u043c\u043c\u0443 \u0447\u0430\u0435\u0432\u044b\u0445 \u0441 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":23712,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-31843","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u043c, \u043a\u0430\u043a \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e\u0435.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sk\/blog\/news\/sozdanie-kalkulyatora-chaevyh-na-kotlin-kak-eto-rabotaet\" \/>\n\t\t<meta name=\"generator\" 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