Difference between revisions of "Android : Lab"

From CDOT Wiki
Jump to: navigation, search
 
(9 intermediate revisions by the same user not shown)
Line 1: Line 1:
{{Ecl_labs|type=Android|description=
+
{{Ecl_menu}}
Here are few steps to guide you in process of building an Android application:
+
Here are few steps to guide you in the process of building an Android application:
  
  
Step 1. Build the First Activity.  
+
<u>Step 1. Build the First Activity.</u>
  
 +
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_1/ ShowContacts Activity class]
  
Step 2. Add Options Menu
+
<u>Step 2. Add Options Menu</u>
  
 +
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_2/ Override onCreateOptionsMenu and onOptionsItemSelected] almost empty
  
Step 3. Add a new activity: the Edit Activity.
+
<u>Step 3. Add a new activity: the Edit Activity.</u>
  
 +
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_3/ Add Edit Activity & Create an Intent on OptionsItemSelected]
  
Step 4. Define a Helper for SQLite  
+
<u>Step 4. Create a DB class for using SQLite</u>
  
 +
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_4/ Create an inner class of MyDbHelper that extends SQLiteOpenHelper]
  
Step 5. Write and Display data from DB.
+
<u>Step 5. Example of app failure trying to Write and Display data from DB.</u>
  
 
+
[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_Example_Steps/Step_5/ Common errors in writing database adapters]
to be continued
 
 
 
 
 
<u>'''[https://zenit.senecac.on.ca/svn/ecl500/Lectures/trunk/LAB_Android_EXAMPLE_STEPS/ Here is the code for the steps described above]'''</u>
 
 
 
 
 
 
 
 
 
|criteria=To be determined}}
 

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