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need a prototype of bluetooth(bt) connector app

We need a prototype of bluetooth(bt) connector app.

The idea is - we have 2 devices, with our app installed. When they are connected via bt, a notification form

first device will be shown on second. And vice versa.

We are looking for bluetooth PRO android dev, who will give us the required functional

(connect and messaging between devices)

without any bugs. We will carefully test app on large amount of devices, and the all must

connect each with other without problems.

Code should be maintainable. There should be no memory leaks while connect/reconnect/disconnect.

Functional:

The UX attached (we do not care about design, we need just a skeleton)

When launched, you should ask for bluetooth, read contacts and read notification permissions.

If user deny some, all app functionality would not work so you need to check every

time user click, for ex enable bt, you should check that permission dynamically.

Other words, you should fullfill all use-cases: when all permission given, when just 1st, just 2nd, just 3rd,

1+2, 1+3, 2+3, or none. either way an app should work propely with any set of permissions.

This test will be tested on our side.

1. "Enable bluetooth" - enables connection via bt for other devices (for 120 sec)

2. "Connect a device" - opens paired and nearby devices dialog.

If you select any device, where you have the SAME app installed, both devices will connect via bt.

Settings Activity should be launched, where you should manually enable for app "Allow read notification"

Status of connection will change from connecting to "connected to {DEVICE_NAME}"

When device is connected, btn "Connect a device" changes to "Disconnect".

If disconnect button is clicked, both devices disconnect their connection,

statuses on both devices should be changed.

When devices are connected, any notification from each device should be passed via

bt to other, and shown as notification as well.

Also, if you type anything to chat_field, and click send - it will appear as notification

on other device as well (for test purposes).

BT connection should be stable. We will launch a bunch of tests to ensure it.

You should cover in code all user-cases.

For example:

1. we have 3 devices - a,b,c. we connect a and b, then disconnect, at once click connect b and c. all should work

Anyway, we would test the app properly, and all bugs, connected to BT communication

should be fixed at NO OVERPRISE.

Other

Target and compile sdk 28

min sdk 16

lang: java(no kotlin)

you can use external libraries(which will not cost us anything, when rolling app to prod)

your app size should be less than 1-2 MB

App should be providen as source code + proguarded and signed release version, for tests.

Ferdigheter: Android, Mobile App Development, Bluetooth Module

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Om arbeidsgiveren:
( 0 omtaler ) Kyiv, Ukraine

Prosjekt-ID: #22285793

10 frilansere byr i snitt $510 for denne jobben

ksd711

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seekdeveloper

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7.2
ShiaFirst

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5.4
JinTai

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(14 Omtaler)
5.4
shenji108

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4.0
chomsengdev

Hi, I'm very interested in your project as I have rich experience in Android bluetooth communication app development. I read your requirement and sure that I can complete it perfectly. I would like to discuss more deta Mer

$500 USD på 7 dager
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3.2
HosseinArabbeigi

Hello Dear I'm experienced android and ios developer(java, kotlin, swift, objective-c) and also im expert in bluetooth and sockets in android. I had a module that connects devices to each other, and client device has Mer

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2.3
ezineinfotech

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1.8
DavidJonees

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kamschat

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