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Stop listening for system memory warning events.
my.onMemoryWarning().
| Property | Type | Required | Description |
|---|---|---|---|
| callback | Function | No | The specific callback to remove. If omitted, all listeners are removed. |
// Remove all memory warning listeners
my.offMemoryWarning();
Page({
onLoad() {
my.onMemoryWarning(this.handleMemoryWarning);
},
handleMemoryWarning(res) {
console.log('Memory warning:', res.level);
this.releaseResources();
},
onUnload() {
my.offMemoryWarning(this.handleMemoryWarning);
},
releaseResources() {
this.setData({ cachedImages: [] });
}
});
Page({
data: {
monitoringMemory: false
},
startMemoryMonitoring() {
my.onMemoryWarning(this.onMemoryWarning);
this.setData({ monitoringMemory: true });
},
stopMemoryMonitoring() {
my.offMemoryWarning(this.onMemoryWarning);
this.setData({ monitoringMemory: false });
},
onMemoryWarning(res) {
console.log('Memory level:', res.level);
}
});
my.offMemoryWarning() that was used with my.onMemoryWarning() to remove only that specific listener.