Week 7 unit3 (chapter 10-11)
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Mobile Programming - dart - Asynchronous
Week 7 unit3 (chapter 10-11)
- 2. 2
- 4. 4
- 5. Future 5
- 6. Example 6 void main(){ var f1=Future<int> ((){ return 100; }); f1.then(print); }
- 7. 7 void main(){ . . (ต่อจากโค้ดสไลด์ก่อนหน้า) var f2=Future((){ return 'work is done'; }); f2.then(print); //-------------------------------- var f3 = Future.delayed(Duration(seconds: 5), (){ //minutes คือนาที, seconds คือวินาที return 300; }); f3.then(print); }
- 8. 8 Future<void> fetchUserOrder() { return Future.delayed(Duration(seconds: 2), () => print('Large Latte')); } void main() { fetchUserOrder(); print('Fetching user order...'); } Example