Temperature Units Setting - Developing Android AppsYouTube↗  IA↗(long shot)
Education  5.4K views 4 likes 0 dislikes   23 Feb 2015
Udacity 651K subscribers United States YouTube↗


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Now it's your turn to build the temperature unit setting.
Bây giờ là lượt của bạn để tạo temperature unit setting.
This will bring together a lot of the concepts that you've learned
Nó sẽ đem đến cùng nhau rất nhiều khái niệm mà bạn đã được học
and will take some time to implement, but we think you're ready for it.
và sẽ phải mất một lúc để làm, nhưng tôi nghĩ là bạn đã sẵn sàng cho nó.
Modify the app so that the right temperature units
Chỉnh sửa app để temerature units đúng
are displayed to the user. Use the assumption
được hiển thị cho user. Giả sử rằng
that we're syncing metric data from the server.
ta đang syncing metric data từ server.
Eventually, we'll have a database on the device and we don't want
Cuối cùng, ta sẽ có một database trên thiết bị và ta không muốn
a mix of Fahrenheit and Celsius data in there.
sự xáo trộn giữa data độ F và độ C ở đây.
Hence, we'll stay consistent by getting metric data from the server.
Vì thế, ta sẽ thống nhất là lấy metric data từ server.
And then we'll convert on the fly to the preferred units
Và sau đó ta sẽ convert sang unit thích hợp
when we update the UI. After you make these changes,
khi ta update UI. Sau khi bạn làm những thay đổi này,
I'll show you what it looks like on the device.
Tôi sẽ cho bạn thấy nó sẽ trông như nào trên thiết bị.
If you go to settings, you'll see the temperature units preference.
Nếu bạn vào settings, bạn sẽ thấy temperature units preference.
If you tap on that, you see a dialog with two options.
Nếu bạn tap vào nó, bạn thấy một dialog với 2 options.
If you switch to imperial and then you go back
Nếu bạn đổi sang imperial và quay lại
to the forecast list, then you see that all the temperatures
đến forecast list, sau đó bạn thấy rằng tất cả nhiệt độ
now are in Fahrenheit. Once it works, answer this question. Which subclass of preference did you use?
giờ là Fahrenheit. Một khi nó đã hoạt động, trả lời câu hỏi này. Sublass nào của preference mà bạn đã dùng?
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