Questions tagged as 'android'

7
answers

How to protect the source code?

I'm thinking of making an application to sell, I'd like to know how to protect my source code to keep my software safe. I have seen that the Java bytecodes, stored in the .class file are easily converted back to .java using the...
asked by 25.02.2014 / 16:07
3
answers

What are the standard sizes of android images?

I'm creating my first application on the Android platform and as far as I know one of the downside of this platform is that the devices on the market have different sizes of screens. I created a project in Eclipse and found that it creates 4...
asked by 16.12.2013 / 19:28
1
answer

When and how to implement Parcelable vs. Serializable?

After much time using the Serializable implementation in my classes on the Java platform (Android), I discovered Parcelable, but I was in doubt about the following issues below: 1. When to use (choose from) Parcelable vs. Serializable? 2....
asked by 29.10.2014 / 02:34
1
answer

How to retrieve the GPS location in coordinates from all users of the application?

Explanation / Scenario: I'm developing an application that should redeem users' location in real time, and these users aware of this, will also have access to the location of other users, on a map, to find themselves: This location mus...
asked by 15.04.2014 / 21:27
3
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Why use get and set in Java?

I learned in college a while ago that I should always use getters and setters to access values in an object and I heard it is for security. p> So I ended up always using and seeing other people using, until I started programming Android and I...
asked by 14.11.2014 / 05:55
8
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What better way to work offline and synchronize data with server?

I'm working on a project where users will need to register offline and then submit their entries to the server as soon as the internet connection is available. My problem is to know: What is the best way to work offline? Preferably native...
asked by 16.02.2014 / 19:20
1
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What is the SQLite storage limit?

There is a new demand for the company application where I work, I need to store more than 100k of records in different tables, I'm worried if SQLite will handle such a demand, my question is: Does SQLite have a storage limit? The type of d...
asked by 27.08.2015 / 15:40
1
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What is Firebase?

I have not been on Android for some time and I have not had a chance to mess with Firebase. But he is very quoted in the questions of the SOPT. After all, what is Firebase? Is it a set of technologies? What are your most frequently used...
asked by 22.04.2018 / 01:48
1
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How to generate an .apk file in Android Studio?

If it is already generated in which folder it is located?     
asked by 07.02.2015 / 23:55
1
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Check if a screenshot of the screen was taken

Snapchat has a feature that notifies the user every time someone, some other user, takes a screenshot of their stories. At first I thought of checking to see if the user pressed Volume Down + Power , but nothing guarantees that screen...
asked by 03.04.2017 / 20:29