用于扫码的API函数是（ ）
A: wx.scanCode(Object object)
B: wx.makePhoneCall(Object object)
C: wx.addPhoneContact(Object object)
D: wx.onMemoryWarning(function callback)
A: wx.scanCode(Object object)
B: wx.makePhoneCall(Object object)
C: wx.addPhoneContact(Object object)
D: wx.onMemoryWarning(function callback)
举一反三
- 函数wx。scanCode（Object object）的参数属性object。scanType 的值（ ）表示扫码类型为二维码。 A: barCode B: qrCode C: pdf418 D: datamatrix
- API函数（ ）用于获取网络类型 A: wx.getNetworkType(Object object) B: wx.onNetworkStatusChange(function callback) C: wx.getConnectedWifi(Object object) D: wx.onWifiConnected(function callback)
- API函数（ ）用于获取屏幕亮度。 A: wx.setScreenBrightness(Object object) B: wx.getScreenBrightness(Object object) C: wx.setKeepScreenOn(Object object) D: wx.onUserCaptureScreen(function callback)
- API函数（ ）用于设置屏幕亮度。 A: wx.setScreenBrightness(Object object) B: wx.getScreenBrightness(Object object) C: wx.setKeepScreenOn(Object object) D: wx.onUserCaptureScreen(function callback)
- API函数（ ）用于监听陀螺仪变化事件 A: wx.onCompassChange(function callback) B: wx.startGyroscope(Object object) C: wx.stopGyroscope(Object object) D: wx.onGyroscopeChange(function callback)