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Google Developers Study Jam
Android for Beginners. Lesson 3
Constantine Mars
Co-Organizer @ GDG Dnipropetrovs’k
Senior Developer @ DataArt
[email protected]
+ConstantineMars
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Agenda
● Learn
● Make Final Project and send to [email protected]
with subject “Final Project”
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Lesson 3A
Object Oriented Programming
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Method
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Define a method
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Access modifiers
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Naming
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Parameters
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Method bakes outcomes… like cook :)
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Returning value with proper type
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Java keywords
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Extending methods
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Resources
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Accessing Resources
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Access Resources
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Find resources in project
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Between XML and Java
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Objects
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Objects
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Class vs Instances
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Class
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SDK Search Chrome Extension
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SDK Search Chrome Extension
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Creating objects
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Factory methods
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Call method
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Inside vs Outside
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setContentView
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Inheritance
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View in hierarchy
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Class and Superclass
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FindViewById
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No content
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Cast to exact type
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Lesson 3B
Object Oriented Programming
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Add Topping
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Checkbox. Metrics/Redlines
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Metrics/Redlines
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Boolean
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Updating logic
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Lanscape. Scrolling
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Advice: Learn to live with uncertainty, fear, doubt, confusion - and plow right ahead
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What’s Your Name?
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Conditional behavior
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Conditions
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Comparing
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Input Checking
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Input Checking
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Sending Email
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Sending Intents
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Sending Intents
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Sending Intents
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Disambiguation dialog
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What’s inside an Intent?
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Starting Intent. Checking that Activity to handle it exists
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No activity - crash will happen
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Start email Intent
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Localization
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Localization
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Localization
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Localization
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Styles
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Separate design from content
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Defining Style
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Add Styles
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Congratulations! All 3 Lessons Done! :)
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Final Project
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Final Project Steps
Step 1: Ideas for the Final Project
Step 2: Solution Design
Step 3: Read the Project Rubric
Step 4: Write Code to Make Your App
Step 5: Write a README file
Step 6: Submit Deliverables
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Examples of
Final Project Ideas
5 ways to...
● 5 ways to cook with beans
● 5 ways to use keyboard shortcuts
● 5 ways to deal with a sprained ankle
● 5 ways of teaching science
● 5 ways of making a baby laugh
● 5 movies to watch before you die
● 5 ways to get your kid to go to sleep
● 5 English words that are rarely used
● 5 amazing board games
● 5 tips when traveling abroad (or pick a country
for more specific suggestions)
● 5 of the best songs ever
● 5 of my deepest secrets (shhhh….)
● 5 emergency numbers for the city you live in
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What to do?
● Focus on user, not on (extra) features
● Write README to project
● https://docs.google.com/document/d/1W4VEOuKCnceCH-lwYF_Jv8DUY
MyWC-xMLGpyJtE5Tio/pub
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Submission
Step 6: Submit Deliverables
Once you have completed the steps above, follow the instructions below to submit
your project.
If you are enrolled in the paid version of this course, zip the following
files, go back to your Udacity Home, click on the button to submit your
project, and we'll walk you through the rest of the submission process.
Here is some information on how to zip files on your computer. The
files to submit are:
The Project Idea document you created in Step 1
The images from Step 2 that highlight the Solution Design
The folder that all files that make up your app
A README with instructions on how to set up and run your
project
You’ll receive a confirmation email from us once we’ve received the
project. It can take us up to 7 business days to grade the project.
If you are enrolled in the free version of this course, please submit
screenshots of the output of your program to the following discussion
forum.
Submit deliverables to: [email protected]
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See you on certification ceremony :)
Study Jam: Android for Beginners
Constantine Mars
Co-Organizer @ GDG Dnipropetrovs’k
Senior Developer @ DataArt
[email protected]
+ConstantineMars