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🤝 สนับสนุนช่องด้วยการสมัครสมาชิก (Membership): https://www.youtube.com/channel/UCQ1r_4x-P-fETLIU4pqf98w/join 🎯 ข้อมูลพื้นฐาน - ใช้ Flutter version 1.22.3 - ใช้ Android Studio version 4.1 ➤ ดาวน์โหลด Flutter เวอร์ชั่น 1.22.3 ได้ที่ : https://docs.flutter.dev/development/tools/sdk/releases 🎓 คอร์สเรียน Udemy : https://github.com/kongruksiamza/udemy-course 🛒ซื้อของผ่าน Shopee : https://shope.ee/3plB9kVnPd ➤ ดาวน์โหลด Flutter SDK : https://flutter.dev/ ➤ ดาวน์โหลด Android Studio : https://developer.android.com/studio ➤ ดาวน์โหลด Visual Studio Code : https://code.visualstudio.com/ 📌 โค้ดประกอบการสอน : https://github.com/kongruksiamza/Flutter-Basic 🗒 เอกสารประกอบการสอน : https://github.com/kongruksiamza/programmer-class-room 🕵♂ ติดตั้ง Package : https://pub.dev/ 🕵♂ API ที่เกี่ยวข้อง : https://exchangeratesapi.io/ 📌 ประกอบด้วยเนื้อหา : 0:00 - ทำความรู้จักกับ Flutter & Dart 12:15 - Flutter SDK (Windows) 24:16 - แก้ปัญหา Unable to find git in your PATH 30:20 - Android Studio 44:25 - Set Path Android SDK (Windows) 49:37 - Android Emulator 56:18 - ดาวน์โหลด Visual Studio Code 01:01:05 - สร้างโปรเจค Flutter 01:08:51 - ทดสอบรันโปรเจค 01:12:11- โครงสร้างโปรเจค 01:16:44- การเปลี่ยนชื่อแอพ 01:21:15- การเปลี่ยนไอคอนแอพ 01:34:48- รู้จักกับ Widget 01:44:41- เริ่มต้นใช้งาน Widget 01:53:45- Scaffold 02:04:19- เปลี่ยนสีของแอพ 02:09:16- Stateless Widget 02:17:56- Center Widget 02:21:44- กำหนดขนาดและสีข้อความ 02:24:34- นำภาพเข้ามาทำงาน (External) 02:27:30 - Column Widget 02:37:21 - Stateful Widget 02:46:33 - ปุ่มและไอคอน 02:55:30 - Event และ SetState 03:02:50 - กำหนด Event แบบฟังก์ชั่น 03:10:44 - กำหนดกลุ่ม Widget ใน List 03:21:45 - ListView Widget 03:28:09 - กำหนดรายละเอียดด้วย ListTile 03:33:15 - ListView Builder 03:39:06 - แอพเมนูอาหาร 03:49:37 - นำภาพเข้ามาทำงาน (Internal) 03:57:40 - กำหนด Event การเลือกเมนู 03:59:51 - รู้จักกับ Container Widget 04:06:21 - ใช้งาน Container Widget 04:17:52 - กำหนดระยะห่างด้วย Padding 04:27:08 - กำหนด Text Style 04:33:22 - Expanded Widget 04:40:45 - SizedBox 04:49:53 - สร้าง Widget ต้นแบบ 05:06:39 - รูปแบบตัวเลขเป็นสกุลเงิน 05:14:11 - Widget Lifecycle 05:30:21 - Asynchronous & Future 05:56:30 - รู้จักกับ API 06:10:13 - Exchange Rate API 06:15:52 - ติดตั้ง HTTP Package 06:18:33 - การดึงข้อมูลจาก API 06:32:20 - แปลง JSON เป็น Dart 06:38:04 - จัดการค่า NULL 06:44:48 - ดึงข้อมูลและจัดการค่า NULL 06:50:02 - Linear ProgressIndicator 07:00:52 - Future Builder 07:09:57 - แสดงข้อมูลจาก Snapshot 07:14:33 - แสดงอัตราการแลกเปลี่ยน 07:22:07 - ระบุฐานสกุลเงินเริ่มต้น ⏲ อัพเดต!!! กรณีที่ไม่สามารถเรียกใช้งาน get http ได้ โค้ดเดิม var url = "https://api.exchangeratesapi.io/latest?base=THB"; var response=await http.get(url); ให้เปลี่ยนเป็น var url = Uri.parse('https://api.exchangeratesapi.io/latest?base=THB'); var response=await http.get(url); ⏰⏰อัพเดต (11/08/2564) ⏰⏰ ปัจจุบันไม่สามารถใช้งาน API (NoSuchMethodError The method '[]' was called on null.) ❌ https://api.exchangeratesapi.io/latest?base=THB ให้เปลี่ยนไปใช้ ✅ https://api.exchangerate-api.com/v4/latest/THB หรือดูขั้นตอนการแก้ปัญหาได้ที่คลิปนี้ 👉 https://www.youtube.com/watch?v=SGUdr3uTlPQ 📢 ติดตามข่าวสารของเราได้ที่ : ➤ Facebook : https://www.facebook.com/KongRuksiamTutorial ➤ TikTok : https://www.tiktok.com/@kongruksiamstudio ➤ Instagram : https://www.instagram.com/kongruksiamstudio ➤ Medium : https://medium.com/@kongruksiam #Flutter #Dart #Android
Pregătim opțiunile de descărcare
Site-ul http://unidownloader.com/ este cel mai bun mod de a descărca un videoclip sau o piesă audio separată, dacă doriți să faceți acest lucru fără a instala programe și extensii.
Extensia UDL Helper este un buton convenabil care este integrat perfect în site-urile YouTube, Instagram și OK.ru pentru descărcarea rapidă a conținutului.
Programul UDL Client (pentru Windows) este cea mai puternică soluție care suportă peste 900 de site-uri web, rețele sociale și site-uri de găzduire video, precum și orice calitate video care este disponibilă în sursă.
UDL Lite este o modalitate foarte convenabilă de a accesa un site web de pe dispozitivul mobil. Cu ajutorul său, puteți descărca cu ușurință videoclipuri direct pe smartphone.
Cele mai bune formate de calitate sunt FullHD (1080p), 2K (1440p), 4K (2160p) și 8K (4320p). Cu cât rezoluția ecranului dvs. este mai mare, cu atât mai mare ar trebui să fie calitatea video. Cu toate acestea, există și alți factori de luat în considerare: viteza de descărcare, cantitatea de spațiu liber și performanța dispozitivului în timpul redării.
Browserul/computerul nu ar trebui să se blocheze complet! Dacă se întâmplă acest lucru, vă rugăm să raportați acest lucru cu un link către videoclip. Uneori, videoclipurile nu pot fi descărcate direct într-un format adecvat, așa că am adăugat posibilitatea de a converti fișierul în formatul dorit. În unele cazuri, acest proces poate utiliza în mod activ resursele computerului.
Puteți descărca un videoclip pe smartphone-ul dvs. utilizând site-ul web sau aplicația PWA UDL Lite. De asemenea, este posibil să trimiteți un link de descărcare prin cod QR folosind extensia UDL Helper.
Cea mai convenabilă modalitate este să utilizați programul UDL Client, care acceptă conversia videoclipurilor în format MP3. În unele cazuri, MP3 poate fi descărcat și prin intermediul extensiei UDL Helper.
Această funcție este disponibilă în extensia UDL Helper. Asigurați-vă că "Show the video snapshot button" (Afișați butonul de instantaneu video) este bifat în setări. O pictogramă a camerei ar trebui să apară în colțul din dreapta jos al playerului, în stânga pictogramei "Setări". Atunci când faceți clic pe ea, cadrul curent din videoclip va fi salvat pe computer în format JPEG.
Nu costă nimic. Serviciile noastre sunt absolut gratuite pentru toți utilizatorii. Nu există abonamente PRO, nu există restricții privind numărul sau lungimea maximă a videoclipurilor descărcate.