Difference between revisions of "Android : Lab"

From CDOT Wiki
Jump to: navigation, search
(One intermediate revision by the same user not shown)
Line 22: Line 22:
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_5/ Common errors in writing database adapters]
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_5/ Common errors in writing database adapters]
<u>Step 6. Fix Errors & Create Context Menu.</u>
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_6/ Implement MenuItemSelected - delete action]
<u>Step 7. Refactor SimpleDbAdapter.</u>
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_7/ Implement MenuItemSelected for update/delete contacts]
<u>Step 8. Add New Behaviour (Actions).</u>
Send email for a contact, etc. - demo in the lecture - March 21, 2011
<u>'''[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/ Here is the code for the steps 1 - 7 described above]'''</u>

Latest revision as of 07:22, 1 April 2011

Here are few steps to guide you in the process of building an Android application:

Step 1. Build the First Activity.

ShowContacts Activity class

Step 2. Add Options Menu

Override onCreateOptionsMenu and onOptionsItemSelected almost empty

Step 3. Add a new activity: the Edit Activity.

Add Edit Activity & Create an Intent on OptionsItemSelected

Step 4. Create a DB class for using SQLite

Create an inner class of MyDbHelper that extends SQLiteOpenHelper

Step 5. Example of app failure trying to Write and Display data from DB.

Common errors in writing database adapters