Complete Android Development, Part 7 of 29: Persistence Shared Prefs

Course description

This series is for you, if you want to understand, architect, and master Android Applications. This course covers how to persist shared preferences, a trivia challenge to the app, classes and saving as well as solutions to the trivia challenge.

Each LearnNowOnline training course is made up of Modules (typically an hour in length). Within each module there are Topics (typically 15-30 minutes each) and Subtopics (typically 2-5 minutes each). There is a Post Exam for each Module that must be passed with a score of 70% or higher to successfully and fully complete the course.

Prerequisites

Knowledge of java programming is required. If you do not, then paulo’s java series “Java SE 9 Parts 1 through 14” would be needed. Base understanding of Mobile Development

Meet the expert

Paulo Dichone

Paulo Dichone graduated from Whitworth University with a B.S in Computer Science in 2009 and has worked building Android and iOS mobiles apps as well as web applications. Since 2014 he's been an online instructor teaching over 40,000 students from 170 countries in how to program Java and build Android Applications.

Video Runtime

87 Minutes

Time to complete

150 Minutes

Course Outline

Persistence Shared Preferences

Persistence and Preferences (19:40)

• Introduction (00:08)
• Intro to Persistence in Android (03:53)
• How to Use SharedPreferences (15:31)
• Summary (00:08)

Trivia Challenge (22:01)

• Introduction (00:08)
• Trivia Challenge (02:08)
• Add Score (12:05)
• Finalize showing Score (07:31)
• Summary (00:08)

Preference Class and Saving (20:12)

• Introduction (00:08)
• Preference Class and Saving (11:24)
• Saving Score onPause (08:31)
• Summary (00:08)

Challenge Solution Final (11:06)

• Introduction (00:08)
• Solution: Showing HighestScore Text (04:12)
• Move to Next Question Automatically (06:37)
• Summary (00:08)

Solution: Saving the State of the App (14:26)

• Introduction (00:08)
• Solution: Saving the State of the App (12:01)
• Probing into prefs Device Folder (02:09)
• Summary (00:08)