using Toybox.Application as App;
using Toybox.Graphics as Gfx;
using Toybox.WatchUi as Ui;
class MyAcquirePositionDelegate extends Ui.BehaviorDelegate
{
hidden var _view;
hidden var _callback;
function initialize(view, callback) {
BehaviorDelegate.initialize();
_view = view;
_callback = callback;
Position.enableLocationEvents(
Position.LOCATION_CONTINUOUS, self.method(:onPosition));
}
function onPosition(info) {
if (info == null || info.accuracy == null) {
return;
}
if (info.accuracy != Position.QUALITY_GOOD) {
return;
}
Position.enableLocationEvents(
Position.LOCATION_DISABLE, null);
_callback.invoke(info);
}
function onBack() {
Position.enableLocationEvents(
Position.LOCATION_DISABLE, null);
return false;
}
}
class MyViewDelegate extends Ui.BehaviorDelegate
{
function initialize() {
BehaviorDelegate.initialize();
}
function onPosition(info) {
Ui.popView(Ui.SLIDE_IMMEDIATE);
if (info != null) {
// you might also display a view to show the status of the fetch...
System.println("submit request");
// var view = new Ui.ProgressBar("Fetching Data", null);
// var delegate = new MyRequestDelegate(view, info, self.method(:onJsonResponse));
// Ui.pushView(view, delegate, Ui.SLIDE_IMMEDIATE);
}
}
function onJsonResponse(code, data) {
Ui.popView(Ui.SLIDE_IMMEDIATE);
if (code == 200) {
// everything went well
}
}
function onSelect() {
var view = new Ui.ProgressBar("Waiting for GPS", null);
var delegate = new MyAcquirePositionDelegate(view, self.method(:onPosition));
Ui.pushView(view, delegate, Ui.SLIDE_IMMEDIATE);
return true;
}
}
class MyView extends Ui.View
{
function initialize() {
View.initialize();
}
}
class MyApp extends App.AppBase
{
function initialize() {
AppBase.initialize();
}
function getInitialView() {
var delegate = new MyViewDelegate();
var view = new MyView();
return [ view, delegate ];
}
}
using Toybox.Application as App;
using Toybox.Graphics as Gfx;
using Toybox.WatchUi as Ui;
using Toybox.System as Sys;
class MyViewDelegate extends Ui.BehaviorDelegate
{
function initialize() {
BehaviorDelegate.initialize();
}
hidden var _view;
function onShow(view) {
_view = view;
// set the initial quality
_view.onQualityChanged(Position.QUALITY_NOT_AVAILABLE);
// you'll probably want some logic here to avoid enabling position
// events if you already have a valid position. that is up to you.
Position.enableLocationEvents(
Position.LOCATION_CONTINUOUS,
self.method(:onPosition));
}
function onHide(view) {
Position.enableLocationEvents(
Position.LOCATION_DISABLE,
null);
_view = null;
}
hidden var _info;
function onPosition(info) {
if (info == null || info.accuracy == null) {
return;
}
// notify the view to update the gps quality indicator
_view.onQualityChanged(info.accuracy);
if (info.accuracy < Position.QUALITY_USABLE) {
// position fix is not good enough
_info = null;
}
else {
// save the position info for later
_info = info;
}
}
function onSelect() {
if (_info != null) {
// submit the request
}
return true;
}
}
class MyView extends Ui.View
{
//
// the view gets a pointer to the delegate/controller so that it
// may notify the delegate when the view is shown/hidden and so
// the delegate has a chance to notify the view to update if the
// state of the application changes.
//
hidden var _delegate;
function initialize(delegate) {
View.initialize();
_delegate = delegate;
}
function onShow() {
_delegate.onShow(self);
}
function onHide() {
_delegate.onHide(self);
}
hidden var _quality;
function onQualityChanged(quality) {
_quality = quality;
Ui.requestUpdate();
}
hidden static const _states = [
"QUALITY_NOT_AVAILABLE",
"QUALITY_LAST_KNOWN",
"QUALITY_POOR",
"QUALITY_USABLE",
"QUALITY_GOOD"
];
function onUpdate(dc) {
dc.setColor(Gfx.COLOR_WHITE, Gfx.COLOR_BLACK);
dc.clear();
var cx = dc.getWidth() / 2;
var cy = dc.getHeight() / 2;
// instead of just displaying a string, you can show a
// bitmap, or use color, or whatever
dc.drawText(cx, cy, Gfx.FONT_LARGE, _states[_quality], Gfx.TEXT_JUSTIFY_CENTER | Gfx.TEXT_JUSTIFY_VCENTER);
}
}
class MyApp extends App.AppBase
{
function initialize() {
AppBase.initialize();
}
function getInitialView() {
var delegate = new MyViewDelegate();
var view = new MyView(delegate);
return [ view, delegate ];
}
}
