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Upgrade My Current Android Calculator App to SDK API 29 and Add Some New Features

I already have an android app (multi functions calculator), and i need to update all libraries, gradle version to fully support target API 29 (android 10) with build tools 29.0.0, i also need to add few new features, please read attached pdf for the details and test my existing apk in the attachment. I will only consider freelancer who really read my project details and check my apk, don't make spam bid. My Budget for updating this app is $300 (max).

Evner: Android, Mobile App Development, Java, PHP

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Om arbejdsgiveren:
( 12 bedømmelser ) Tangerang Selatan, Indonesia

Projekt ID: #20094784

Tildelt til:


Hello, I can do the job, please send me a message so we can discuss more. I am a skilled and experienced Mobile Application Developer having 4+ years of experience in developing various Apps for Android mobile applic Flere

$300 USD in 22 dage
(6 bedømmelser)

39 freelancere byder i gennemsnit $202 på dette job


Hello i hope you are fine. i have highly experience in Android Calculator App to SDK API i have expertise in this skills PHP Java Mobile App Development Android So can we discuss in details via private chat . Thank Flere

$210 USD in 8 dage
(525 bedømmelser)

**Dear** I am native android and iOS app, web server developer. Also I am React Native app developer. I will like to work on your project and deliver the project. I have developed many applications involving various f Flere

$155 USD in 7 dage
(201 bedømmelser)

Hello!!! How are you today? I am very interested in your project. I can upgrade your current android calculator app to SDK API 29 and add some new features. I have developed many mobile android and ios apps for 6 years Flere

$200 USD in 7 dage
(212 bedømmelser)

Hi, dear Welcome to you! I am very interested in you project because I have much experience in such projects. I have a good skill with the Mobile(Native , React-Native and Unity) development including C/C++, C#, java Flere

$140 USD in 7 dage
(99 bedømmelser)

Hi, It will be a honour for me to work with you. I have got 7 years of android development experience. I have checked the apk as well as the document attached. I will get this done. Looking forward to hear from you.

$250 USD in 7 dage
(44 bedømmelser)

My Portfolio speaks up better rather than my writings. - Corporate Company Website: [login to view URL] My Skillsets: ======== > Frameworks: Laravel, Code-igniter, ionic > Web Applications using PHP + MySQLi + API Flere

$250 USD in 8 dage
(99 bedømmelser)

Hi, I introduce my company Xceptive Solutions LLP. We are excited to get to work on your new mobile app, we have more than five years of experience understanding of what to expect in this lengthy process in both Andro Flere

$250 USD in 7 dage
(79 bedømmelser)

Dear Client! I 'm Yesikov from Russia. I have read your job description in detail and feel I can help your project. Because I have 12+ years experience to develop mobile apps for both ios and android with native and hy Flere

$30 USD in 3 dage
(35 bedømmelser)

I have 5 years of experience in developing Web and Mobile apps using the latest state of art technologies with 100% success rate. Extensively documented track record of building apps using the MEAN Stack, Hybrid, Nativ Flere

$140 USD in 10 dage
(26 bedømmelser)

Hi Friend, I reviewed your attached document and apk . It's looking good to me and i am able to upgrade it to API 29 and do the fixes you mentioned. Please review my profile and feel free to contact me . Thanks,

$223 USD in 8 dage
(85 bedømmelser)

Hello, I checked document and apk file myself here. I am confident of completing all upgrading sdk, updating ui and adding new features and admob. Ready to start. Thank you.

$300 USD in 7 dage
(10 bedømmelser)

Yes I can Upgrade Android Calculator App to SDK API 29 and Add Some New Features. Ready to satrt work from now ......................................

$200 USD in 2 dage
(24 bedømmelser)

Dear Prospect, Warm Greetings!! I am a full stack developer and having expertise to work on this type of projects and always delivered the quality work with full testing on time ( before the deadlines ). Please share Flere

$250 USD in 7 dage
(52 bedømmelser)

Hi , Greetings. I have checked your apk and PDF file as well. I have gone through your current calculator app and understood it. I have also checked all your new features for this app. I have some doubt in your PDF Flere

$300 USD in 7 dage
(16 bedømmelser)

Hello Sir/Mam, We have done the similar project like this. We will give you quality work on your budget and time. Skill: Android,IOS,PHP,Website development,Unity,Codeigniter,Wordpress,Web Design,Logo Design,Xamarin A Flere

$250 USD in 7 dage
(21 bedømmelser)

I will develop your android app or be your android App developer. I have 7 year of experience as a Android developer. Services I Can Provide:- Online User Authentication (Email, Gmail, Facebook...) Online Database (Goo Flere

$100 USD in 10 dage
(15 bedømmelser)

Dear Client. Nice to talk with you. I've read your job description. I'm a senior Android developer and working as an individual. ★I specialized in Java/Kotlin/Phonegap. ★Also I am well-versed in github/bitbucket fo Flere

$200 USD in 7 dage
(4 bedømmelser)

Hi Dear, I read your pdf file. I have gone through your Requirement and I am sure I can help you with this project. I have huge experience in Mobile Application Development whether it is Android, React, Flutter, iOS Flere

$250 USD in 7 dage
(21 bedømmelser)

God Day Sir ! I read through the job details extremely carefully and I am absolutely sure that I can do the project very well. I am expert in android, ios and mobile app development and 7.1 years of experience in And Flere

$300 USD in 10 dage
(8 bedømmelser)

Hello, I read your post and understood your requirements quite well. I will Upgrade all libraries (use whitelist library don’t use greylist or blacklist), upgrade to the latest Gradle version and upgrade target SDK t Flere

$300 USD in 7 dage
(17 bedømmelser)