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Android App Development Jobs

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Fixed-Price - Est. Budget: $ 20 Posted
I have a ios and android app to be developed by using swift and java. They are needed to add new features like facebook and push notification integration. This is ongoing project. If you do good job, You will join to my team and we can work to longterm. I will give detail to winning bidders.
Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
I would like to have an app developed that allows location-based chat groups. For example, I would like the user be able to create a chat group with anyone within a 10 mile radius, 15 mile radius, 50 mile radius, based on their choice. The creator will be the group moderator and can remove/ add users he or she likes. Think of a location-aware reddit/ WhatsApp Hybrid.
Fixed-Price - Est. Budget: $ 500 Posted
My iOS App needs to be ported to Android. I'd like to sell the App on the Google Play Store and Amazon Store. The App consists basically out of a navigation drawer where a user can select a category. The contents of the category are fetched out of a SQLite Database, encrypted using SQLCipher. Each category is just a list-view with an Image, Title and Subtitle. A tap on the category-entry reveals another view, which is just a webview. The webview loads a static html string, out of the SQLCipher encrypted database. It should be possible to place a link within the HTML to link to another page within the App. Another part of the App is a simple calculator. You have 3 sliders which do a simple calculation. I believe the most complicated part is some kind of GPS tracking. Based on a GEO JSON file the users location gets mapped to a specific entry within the database. Once the position of the user changes, a check should occur if the mapped location has changed. If it has, the user should...
Fixed-Price - Est. Budget: $ 100 Posted
I am a c++/qt programmer, but I need to learn how to implement communications to a USB serial device in android. I will describe what I want in C++/qt terms. I what a SIMPLE application that has a main thread and a second thread that communicates with a USB Serial device. The app to initialize the USB serial device and then start the communications thread. The comm thread should: 1) Send out "who\r" every 2 seconds. 2) Listens for incoming data and assembles messages in a buffer until a complete message is received. 3) Messages look like "1 am bob\r" or "i am john\r" 4) Please do not use a readline() type function. Please read byte(s) at a time into a buffer and look for the "\r" character to know when to evaluate the message. The real protocol will use a 0x02 to start, 0x03 to end a message, but I wanted to keep the example simple. 5) When it receives, "i am bob\r" the comm thread should send an "event" or "notification" to the main thread with a parameter "name" of "Bob". 6...