Mobile ‘Drum machine’ using touch screen keys

We require a standalone application, either J2ME or BREW, doing the following:

- Device screen is 240x320 QVGA

- Screen divided into 5x3 = 15 touch areas. Application will receive touchscreen events as extended keypad events – each touch area is converted into a keystroke, one of TOUCHKEY_0x0 to TOUCHKEY_2x4. Hence, application does not need to use any touchscreen APIs. an event will be sent for press and release for each key.

- User press of a touchkey will result in playback of a preset midi/wav file matching the touchkey. (midi/wav files will be provided by us)

- Application should draw the touchkeys (split screen to even 5x3 grid) and put the appropriate text and/or image for each key (text and images also provided by us). Application also responsible for highlighting the appropriate key when it is pressed.

- Two keys cannot be pressed in parallel

- If a second key is pressed directly after first key is released, while sound of first key still being played, then:

o In case of midi playback: the first midi should be stopped and the new midi played

o In case of wav playback: the two sounds should be mixed

- Volume up/down events (via keystrokes) should be handled by the application

- Red key will quit the application

- In case of pause/resume events, playback should be stopped

- Main menu options:

o User can select between 3 sets of preset midi files (e.g. drum, guitar, funky) using navi keys (not touch), and then start the application.

Platform spec:

- Java – MIDP2.0/CLDC1.1

- BREW – BREW 3.x

- Display is 240x320 LCD with 18 bpp, full screen mode

We require fully-documented code and bug support until application is working 100%.

UI should be designed by you (apart from images for touch keys provided by us) using guidelines we shall provide for colors, etc.

We accept offers for J2ME or BREW implementations. In case of BREW, please state your past experience.

Taidot: C-ohjelmointi, Java, Mobile App Development

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Tietoa työnantajasta:
( 0 arvostelua ) tel aviv, Israel

Projektin tunnus: #433997

12 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön


J2ME implementation. Please, check PM.

$750 USD 20 päivässä
(4 arvostelua)

Hello. I have done things like this. Would like to help. Hope to hear from you soon. Sincerely.

$400 USD 10 päivässä
(1 arvostelu)

hi, I have developed several j2me applications for symbian, blackberry and android phones and ready to start work immediately.

$350 USD 15 päivässä
(0 arvostelua)

Hi, i am experienced j2me developer and also have experience in android platform. It'll be interesting for me to develop such app.

$400 USD 14 päivässä
(0 arvostelua)

hi, We have a good working exp. on BREW [url removed, login to view] have completely studied your requirement and we are sure that we will complete it before said time fullfilling all your requirements.

$350 USD 12 päivässä
(0 arvostelua)

I have done many custom projects for Blackberry as well as iPhone.I have also done a lot of telephony applications dealing with advanced features . I have also developed a lot of other general purpose applications fo Lisää

$750 USD 12 päivässä
(1 arvostelu)

Hello, I'm professional java developer. I've been devoloping systems with mobile client. I've got experience in J2ME technology. I can do this project for you

$300 USD 30 päivässä
(0 arvostelua)

We are good mobile developer [url removed, login to view] can success by having deal with [url removed, login to view] PM for more details.

$450 USD 2 päivässä
(0 arvostelua)

Hi! I can make this app for J2ME phones in a week, possibly less. I can deliver one version that will work on most phones and degrade gracefully in those that have bugs or limitations in their jvm implementation. I al Lisää

$300 USD 7 päivässä
(0 arvostelua)

See private message

$400 USD 2 päivässä
(0 arvostelua)

Hi, We are a team of two members having 4 years of experience in J2ME development environment. We have done around 20 J2ME mobile games and we are having lot of experiences in playing sounds in mobile. We can do th Lisää

$300 USD 5 päivässä
(0 arvostelua)

Hi, I am very well experienced in working with wav, midi, amr formats of sounds for various mobiles (Sony Ericsson, Motorola, Nokia, Samsung, HTC, Blackberry). Besides I have ported many games from keypad devices to to Lisää

$320 USD 4 päivässä
(0 arvostelua)