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fix: Add implementation for background service for API 26 and above #162

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Sep 14, 2018
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fix: Add implementation for background service for API 26 and above #162

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89ec0ae
fix: Add implementation for background service for API 26 and above
VladimirAmiorkov Sep 13, 2018
a945cd1
fix: Clear watchers when app stops on Android API 26
VladimirAmiorkov Sep 13, 2018
2c59ee1
fix: Clear watchers on "application exit" on API 26 and above
VladimirAmiorkov Sep 14, 2018
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6 changes: 6 additions & 0 deletions demo/app/App_Resources/Android/AndroidManifest.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,12 @@
android:exported="false" >
</service>

<service android:name="com.nativescript.location.BackgroundService26"
android:permission="android.permission.BIND_JOB_SERVICE"
android:enabled="true"
android:exported="false">
</service>

<activity
android:name="com.tns.NativeScriptActivity"
android:label="@string/title_activity_kimera"
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128 changes: 88 additions & 40 deletions demo/app/background-service.ts
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Original file line number Diff line number Diff line change
@@ -1,47 +1,95 @@
import * as geolocation from "nativescript-geolocation";
import { Accuracy } from "tns-core-modules/ui/enums";
import * as application from "tns-core-modules/application";
import { device } from "tns-core-modules/platform";
import * as Toast from "nativescript-toast";

let watchId;
application.on(application.exitEvent, function (args: any) {
if (watchId) {
geolocation.clearWatch(watchId);
}
});

if (application.android) {
(<any>android.app.Service).extend("com.nativescript.location.BackgroundService", {
onStartCommand: function (intent, flags, startId) {
this.super.onStartCommand(intent, flags, startId);
return android.app.Service.START_STICKY;
},
onCreate: function () {
let that = this;
geolocation.enableLocationRequest().then(function () {
that.id = geolocation.watchLocation(
function (loc) {
if (loc) {
let toast = Toast.makeText('Background Location: ' + loc.latitude + ' ' + loc.longitude);
toast.show();
console.log('Background Location: ' + loc.latitude + ' ' + loc.longitude);
}
},
function (e) {
console.log("Background watchLocation error: " + (e.message || e));
},
{
desiredAccuracy: Accuracy.high,
updateDistance: 0.1,
updateTime: 3000,
minimumUpdateTime: 100
});
}, function (e) {
console.log("Background enableLocationRequest error: " + (e.message || e));
});
},
onBind: function (intent) {
console.log("on Bind Services");
},
onUnbind: function (intent) {
console.log('UnBind Service');
},
onDestroy: function () {
console.log('service onDestroy');
geolocation.clearWatch(this.id);
}
});
if (device.sdkVersion < "26") {
(<any>android.app.Service).extend("com.nativescript.location.BackgroundService", {
onStartCommand: function (intent, flags, startId) {
this.super.onStartCommand(intent, flags, startId);
return android.app.Service.START_STICKY;
},
onCreate: function () {
let that = this;
geolocation.enableLocationRequest().then(function () {
that.id = geolocation.watchLocation(
function (loc) {
if (loc) {
let toast = Toast.makeText('Background Location: ' + loc.latitude + ' ' + loc.longitude);
toast.show();
console.log('Background Location: ' + loc.latitude + ' ' + loc.longitude);
}
},
function (e) {
console.log("Background watchLocation error: " + (e.message || e));
},
{
desiredAccuracy: Accuracy.high,
updateDistance: 0.1,
updateTime: 3000,
minimumUpdateTime: 100
});
}, function (e) {
console.log("Background enableLocationRequest error: " + (e.message || e));
});
},
onBind: function (intent) {
console.log("on Bind Services");
},
onUnbind: function (intent) {
console.log('UnBind Service');
},
onDestroy: function () {
console.log('service onDestroy');
geolocation.clearWatch(this.id);
}
});
}
else {
(<any>android.app).job.JobService.extend("com.nativescript.location.BackgroundService26", {
onStartJob(params) {
let executed = false;
geolocation.enableLocationRequest().then(function () {
watchId = geolocation.watchLocation(
function (loc) {
if (loc) {
let toast = Toast.makeText('Background Location: ' + loc.latitude + ' ' + loc.longitude);
toast.show();
console.log('Background Location: ' + loc.latitude + ' ' + loc.longitude);
}
executed = true;
},
function (e) {
console.log("Background watchLocation error: " + (e.message || e));
executed = true;
},
{
desiredAccuracy: Accuracy.high,
updateDistance: 0.1,
updateTime: 3000,
minimumUpdateTime: 100
});
}, function (e) {
console.log("Background enableLocationRequest error: " + (e.message || e));
});

return executed;
},

onStopJob() {
console.log('service onStopJob');
geolocation.clearWatch(watchId);
return true;
},
});
}
}
36 changes: 34 additions & 2 deletions demo/app/main-page.ts
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Expand Up @@ -5,13 +5,26 @@ import { Page } from "ui/page";
import { MainViewModel } from "./main-view-model";
const utils = require("tns-core-modules/utils/utils");
import * as application from "tns-core-modules/application";
import { device } from "tns-core-modules/platform";

let locationService = require('./background-service');

let page: Page;
let model = new MainViewModel();
let watchIds = [];
let backgroundIds = [];
declare var com: any;

application.on(application.exitEvent, function (args: any) {
if (application.android && backgroundIds.length > 0) {
let context = utils.ad.getApplicationContext();
const jobScheduler = context.getSystemService((<any>android.content.Context).JOB_SCHEDULER_SERVICE);
const service = backgroundIds.pop();
jobScheduler.cancel(service);
console.log(`Job Canceled: ${service}`);
}
});

export function pageLoaded(args: EventData) {
page = <Page>args.object;
page.bindingContext = model;
Expand All @@ -21,15 +34,34 @@ export function startBackgroundTap() {
if (application.android) {
let context = utils.ad.getApplicationContext();
let intent = new android.content.Intent(context, com.nativescript.location.BackgroundService.class);
context.startService(intent);
if (device.sdkVersion >= "26") {
const component = new android.content.ComponentName(context, com.nativescript.location.BackgroundService26.class);
const builder = new (<any>android.app).job.JobInfo.Builder(1, component);
builder.setRequiredNetworkType((<any>android.app).job.JobInfo.NETWORK_TYPE_ANY);
builder.setPeriodic(15 * 60 * 1000);
const jobScheduler = context.getSystemService((<any>android.content.Context).JOB_SCHEDULER_SERVICE);
const service = jobScheduler.schedule(builder.build());
backgroundIds.push(service);
} else {
context.startService(intent);
}
}
}

export function stopBackgroundTap() {
if (application.android) {
let context = utils.ad.getApplicationContext();
let intent = new android.content.Intent(context, com.nativescript.location.BackgroundService.class);
context.stopService(intent);
if (device.sdkVersion >= "26") {
if (backgroundIds.length > 0) {
const jobScheduler = context.getSystemService((<any>android.content.Context).JOB_SCHEDULER_SERVICE);
const service = backgroundIds.pop();
jobScheduler.cancel(service);
console.log(`Job Canceled: ${service}`);
}
} else {
context.stopService(intent);
}
}
}

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