## tvOS 支持
- 通過 XCUITest 驅動,Appium 1.13.0+ 支持 tvOS 自動化。
- 在 Apple TV 4K 上不支持。因為 [ios-deploy](https://github.com/ios-control/ios-deploy) 不支持無線設備。
<img src="https://user-images.githubusercontent.com/5511591/55161297-876e0200-51a8-11e9-8313-8d9f15a0db9d.gif" width=50%>
## 設置
通過修改`platformName`參數,你可以在tvOS上運行測試。
```json
{
"automationName": "XCUITest",
"platformName": "tvOS", // here
"platformVersion": "12.2",
"deviceName": "Apple TV",
...
}
```
小貼士:編譯 WDA 支持 tvOS
- 更新到最新版本的 Carthage
- 確保機器上有 tvOS 模擬器
- 比如:運行`xcrun simctl list | grep "com.apple.CoreSimulator.SimRuntime.tvOS"`看看結果。
- 如果沒有tvOS模擬器,新版本的 Carthage 會拋出這樣的錯誤: `Could not find any available simulators for tvOS`
## 限制
tvOS上不支持手勢動作,某些命令也不支持,比如`pasteboard`。
我們可以簡單地按`up/down/left/right/home`來聚焦(focus)元素。tvOS 在_focused_的元素上執行動作。你可以通過[Attributes API](http://appium.io../commands/element/attributes/attribute/)得到`focus`的元素。_Get active element_ API 會返回聚焦的元素。
## 基礎動作
_pressButton_ 和 _get active element_ 是 tvOS 上的基礎動作。由于 tvOS 也有動畫,所以需要考慮使用 `wait` 方法。
```ruby
# Ruby
element = @driver.find_element :accessibility_id, 'element on the app'
# Returns true if the element is focused, otherwise false
element.focused #=> 'true'
# Appium moves the focus to the element by pressing the corresponding keys and clicking the element
element.click
# Get the app state
@driver.app_state('test.package.name') # => :running_in_foreground
# Press keys
@driver.execute_script 'mobile: pressButton', { name: 'Home' }
# Move focus and get the focused element
@driver.execute_script 'mobile: pressButton', { name: 'Up' }
# Get a focused element
element = @driver.switch_to.active_element
element.label #=> "Settings"
```
```Python
# Python
element = driver.find_element_by_accessibility_id('element on the app')
element.get_attribute('focused')
element.click()
driver.query_app_state('test.package.name')
driver.execute_script('mobile: pressButton', { 'name': 'Home' })
driver.execute_script('mobile: pressButton', { 'name': 'Up' })
element = driver.switch_to.active_element
element.get_attribute('label')
```
```java
// Java
WebElement element = driver.findElementByAccessibilityId("element on the app");
element.getAttribute("focused");
element.click();
driver.queryAppState("test.package.name");
driver.executeScript("mobile: pressButton", ImmutableMap.of("name", "Home"));
driver.executeScript("mobile: pressButton", ImmutableMap.of("name", "Up"));
element = driver.switchTo().activeElement();
element.getAttribute("label");
```
```javascript
// webdriver.io example
const element = $('~SomeAccessibilityId');
element.getAttribute('focused');
element.click();
driver.execute('mobile: pressButton', {name: 'Home'});
driver.execute('mobile: pressButton', {name: 'Up'});
const activeElement = driver.getActiveElement();
activeElement.getAttribute('label');
// WD example
const element = await driver.elementByAccessibilityId('element on the app');
await element.getAttribute('focused');
await element.click();
await driver.execute('mobile: pressButton', {name: 'Home'});
await driver.execute('mobile: pressButton', {name: 'Up'});
const activeElement = await driver.active();
await activeElement.getAttribute('label');
```
## 更多動作
tvOS 提供基于 [remote controller](https://developer.apple.com/design/human-interface-guidelines/tvos/remote-and-controllers/remote/) 的動作。Appium 通過`mobile: pressButton`提供了 _Buttons_ 等一些列動作,包括 `menu`,`up/down/left/right`,`home`,`playpause` 和 `select`。如果你發送不支持的 button 名字給服務器,在錯誤信息中會羅列支持的動作。
如果提供了 `find element/s` 和 `click`操作 ,Appium 會自動計算 `up/down/left/right` 和 `select` 順序。你不需要每次都關心哪個按鈕被點擊了。
你也可以設置一個焦點或者開始/暫停播放。在 tvOS 中,`menu`按鈕作為返回鍵。
## 測試運行環境
- 使用模擬器或者真機
- 在支持[HeadSpin](https://headspin.io)的真機上測試或者開發
## 資源
- 相關問題:
- https://github.com/appium/appium/pull/12401
- 比如 [appium-xcuitest-driver#911](https://github.com/appium/appium-xcuitest-driver/pull/911), [appium-xcuitest-driver#939](https://github.com/appium/appium-xcuitest-driver/pull/939), [appium-xcuitest-driver#931](https://github.com/appium/appium-xcuitest-driver/pull/931), [appium/WebDriverAgent/pull/163](https://github.com/appium/WebDriverAgent#163)
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