setAllowsBackgroundLocationUpdates method
指定是否允许后台定位 allowsBackgroundLocationUpdates为true则允许后台定位 allowsBackgroundLocationUpdates为false则不允许后台定位
Implementation
void setAllowsBackgroundLocationUpdates(
bool allowsBackgroundLocationUpdates) {
this.allowsBackgroundLocationUpdates = allowsBackgroundLocationUpdates;
}