Tape is a collection of queue-related classes for Android and Java by Square, Inc. We'll show you how to create tasks that can be paused and resumed later if the application crashes, connectivity is lost or even if the battery is drained out.

1. Square Tape
Ivan Kocijan

2. What is the problem?
• Application is uploading files on our server
but Internet connection is gone or the
phone is suddenly turned off
!
What to do?
• Can we continue?
• Where to continue?
• How to save our progress?

3. Using Square tape
• Collection of queue-related classes for
Android and Java
• File-based FIFO.
• Created by Square, Inc.

4. What do you need
• Add it to build.gradle
compile 'com.squareup:tape:1.2.+'
• Create 4 java classes and 1 interface:
1. GsonConverter
2. TapeCallback
3. Tape task
4. TapeTaskQueue
5. TapeService

5. GsonConverter
• Convert objects to and from JSON so that
they can be written on disk in human
readable format

6. TapeCallback
• Interface which we will use to indicate that
task is successfully finished and can be
removed from Queue

7. TapeTask
• Task which will be added to Queue for
execution

8. TapeTaskQueue
• Queue which holds our tasks
• It will take care of serialization and
deserialization of our tasks

9. TapeService
• It will start when there are tasks in our
Queue and end when Queue is empty or
there was an error

10. Find out more
• http://square.github.io/tape/

11. Questions?
?