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Eueung Mulyana
October 18, 2015
Education
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240
PPTB-10
PPTB-10 Programming Mobile Devices (Android)
http://eueung.github.io/ET4044/
Eueung Mulyana
October 18, 2015
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Transcript
PPTB #10 Programming Mobile Devices (Android) http://eueung.github.io/ET4044/ Dr.-Ing. Eueung Mulyana
| 2015H2
Activity Lifecycle
Why we need an activity lifecycle
Single App Multi-Activity
Intents to different Apps
Home
etc.
None
(Background) Activities can be destroyed (killed) at anytime, if necessary
Activity Lifecycle
None
Active & Visible Lifetimes
Paused Stopped
Lifecycle Events
None
None
Activity Termination
None
Prepare for Termination
None
None
Maintaining State
Storing Data
Condition for Apps
None
Battery
Cost
Server
Network N/A
Access Location
None
SQLite
None
None
None
Structure, Order
None
None
Example
Example
None
None
None
Storing Data Operations
None
None
None
Changes to Sunshine
None
WeatherContract
None
View & Data
Ex: ContactsContract
Weather Table Columns
None
None
Weather & Location Tables
Two Tables
Join
None
None
WeatherContract
None
None
None
Mainly CONSTANTs
None
Constants in Contract
None
SQLiteOpenHelper Sunshine Database
Versioning
None
None
None
None
None
Test
None
None
None
None
None
None
None
None
None
None
SQLiteOpenHelper onUpgrade
None
None
RW from a Database
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Credit • Udacity ud853 https://www.udacity.com/course/ud853