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2 votes
0 answers
152 views

SharedPreferences singleton wrapper

I was wondering wether my implementation of the PreferenceService below is thread safe or could cause memory leaks. Android Studio gives me the warning "Do not place Android context classes in ...
nullmn's user avatar
  • 121
3 votes
1 answer
2k views

Implementation of an OkHttp singleton for Android

I'm new to Android programming. I am going to make lots of HTTP requests: 500, 1k, 2k, 10k. I have tried to create a singleton class for OkHttp. I wrote this: ...
Castiel's user avatar
  • 33
3 votes
1 answer
4k views

Static class for constants with reference to java resources

I want to store the colors I use in the colors.xml file. In addition to using them in an xml-layout, I also want to use these colors in my Java code, when drawing ...
MWB's user avatar
  • 143
4 votes
1 answer
258 views

JSON loader with event bus, cache, and session

I have an Android application which needs to retrieve JSON files from a server and then display the information in my app. To accomplish this I have the following architecture: The main activity adds ...
Adam's user avatar
  • 331
6 votes
1 answer
153 views

Android app with config and customization classes

I have an Android app with three different Activity classes. Each of the Activities uses and changes config and user-customization data stored in a wrapped ...
user5292387's user avatar
2 votes
2 answers
3k views

Proper way to wait end of a service and singleton design

My code works fine and I would like to know if I chose the best strategy to implement my code, or if It can written better (more fast, more clear, best use of design pattern, etc). In my android ...
Accollativo's user avatar
6 votes
1 answer
3k views

Searching for songs on an Android application

In my application I need to search for some songs on my external storage card every now and then. On startup I read everything, however when it comes to new activities I thought I could just pass the ...
Davlog's user avatar
  • 677
5 votes
2 answers
2k views

Android global data

I have a huge list of song objects in my program and I need those objects in almost all activities. Well, at least a part of it up to everything. So I created a class which looks pretty much like ...
Davlog's user avatar
  • 677
12 votes
4 answers
5k views

Sound manager for Android

I created a singleton class for managing sound effects on Android. This class will only be instanced and loaded once at the beginning, and each activity will use the loaded songs. I don't know either ...
FR073N's user avatar
  • 231
41 votes
7 answers
3k views

Is my code a 'safe' singleton?

I was wondering if my code will produce a true singleton. I am creating an Android app, and all activities should access my API through one instance of the SyncApi ...
jjnguy's user avatar
  • 661