Documentation Index
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Listen for accelerometer data changes.
my.startAccelerometer.
| Property | Type | Required | Description |
|---|---|---|---|
| listener | Function | Yes | The callback function to listen to the data change event of the accelerometer |
| Property | Type | Description |
|---|---|---|
| x | Number | Acceleration value in x-axis. Unit: m/s² |
| y | Number | Acceleration value in y-axis. Unit: m/s² |
| z | Number | Acceleration value in z-axis. Unit: m/s² |
| timestamp | Number | Timestamp. Unit: ns |
my.onAccelerometerChange((res) => {
console.log('X:', res.x);
console.log('Y:', res.y);
console.log('Z:', res.z);
});
Page({
data: {
lastShake: 0
},
onLoad() {
my.onAccelerometerChange((res) => {
const acceleration = Math.sqrt(
res.x * res.x + res.y * res.y + res.z * res.z
);
if (acceleration > 1.5) {
const now = Date.now();
if (now - this.data.lastShake > 1000) {
this.setData({ lastShake: now });
this.handleShake();
}
}
});
},
handleShake() {
my.vibrate();
console.log('Device shaken!');
}
});
Page({
onLoad() {
my.onAccelerometerChange((res) => {
// Use x/y for tilt-based controls
this.setData({
tiltX: res.x * 90, // Convert to degrees
tiltY: res.y * 90
});
});
}
});
my.startAccelerometer before using this API to begin receiving accelerometer data.