| commit | dddf7e921f22150be5bcc8f565821cc3542e81f6 | [log] [tgz] |
|---|---|---|
| author | alsorokin <alexander.sorokin@akvelon.com> | Mon Apr 27 16:22:37 2015 +0300 |
| committer | alsorokin <alexander.sorokin@akvelon.com> | Mon Apr 27 16:22:37 2015 +0300 |
| tree | 3c0412e1d569b5b281f06b39d0951a88e180f876 | |
| parent | 3950ab7b6b3f8fb74896ec3ee0d77e52773a38c6 [diff] |
CB-8876 Introduced a small timeout between tests
This plugin provides access to the device's accelerometer. The accelerometer is a motion sensor that detects the change (delta) in movement relative to the current device orientation, in three dimensions along the x, y, and z axis.
Access is via a global navigator.accelerometer object.
Although the object is attached to the global scoped navigator, it is not available until after the deviceready event.
document.addEventListener("deviceready", onDeviceReady, false);
function onDeviceReady() {
console.log(navigator.accelerometer);
}
cordova plugin add cordova-plugin-device-motion
Get the current acceleration along the x, y, and z axes.
These acceleration values are returned to the accelerometerSuccess callback function.
navigator.accelerometer.getCurrentAcceleration(accelerometerSuccess, accelerometerError);
function onSuccess(acceleration) {
alert('Acceleration X: ' + acceleration.x + '\n' +
'Acceleration Y: ' + acceleration.y + '\n' +
'Acceleration Z: ' + acceleration.z + '\n' +
'Timestamp: ' + acceleration.timestamp + '\n');
};
function onError() {
alert('onError!');
};
navigator.accelerometer.getCurrentAcceleration(onSuccess, onError);
Values for X, Y, Z motion are all randomly generated in order to simulate the accelerometer.
iOS doesn't recognize the concept of getting the current acceleration at any given point.
You must watch the acceleration and capture the data at given time intervals.
Thus, the getCurrentAcceleration function yields the last value reported from a watchAccelerometer call.
Retrieves the device‘s current Acceleration at a regular interval, executing the accelerometerSuccess callback function each time. Specify the interval in milliseconds via the acceleratorOptions object’s frequency parameter.
The returned watch ID references the accelerometer's watch interval, and can be used with navigator.accelerometer.clearWatch to stop watching the accelerometer.
var watchID = navigator.accelerometer.watchAcceleration(accelerometerSuccess,
accelerometerError,
accelerometerOptions);
function onSuccess(acceleration) {
alert('Acceleration X: ' + acceleration.x + '\n' +
'Acceleration Y: ' + acceleration.y + '\n' +
'Acceleration Z: ' + acceleration.z + '\n' +
'Timestamp: ' + acceleration.timestamp + '\n');
};
function onError() {
alert('onError!');
};
var options = { frequency: 3000 }; // Update every 3 seconds
var watchID = navigator.accelerometer.watchAcceleration(onSuccess, onError, options);
The API calls the success callback function at the interval requested, but restricts the range of requests to the device between 40ms and 1000ms. For example, if you request an interval of 3 seconds, (3000ms), the API requests data from the device every 1 second, but only executes the success callback every 3 seconds.
Stop watching the Acceleration referenced by the watchID parameter.
navigator.accelerometer.clearWatch(watchID);
navigator.accelerometer.watchAcceleration.var watchID = navigator.accelerometer.watchAcceleration(onSuccess, onError, options); // ... later on ... navigator.accelerometer.clearWatch(watchID);
Contains Accelerometer data captured at a specific point in time. Acceleration values include the effect of gravity (9.81 m/s^2), so that when a device lies flat and facing up, x, y, and z values returned should be 0, 0, and 9.81.