The document discusses steps for creating a basic note taking Android app from scratch, including creating an Android project, adding user interface elements like edit texts and buttons, getting text from input fields, adding onclick listeners, saving data to files, creating additional activities, and reading saved files on app launch. The document provides exercises and solutions for setting IDs, references, and adding code to save and retrieve note data between activities on the device.

1. ANDROID DEVELOPMENT
NOTE TAKING APP FROM SCRATCH
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2. CREATE AN ANDROID
PROJECT
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9. Right Click
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12. Exercise : Create UI like shown below
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13. Solution
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14. CREATING THE APP
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16. 1. GET THE TEXT FROM TWO
INPUT FIELDS
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17. Double click the textbox to
switch to XML view
set id = etTitle
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set id = etNote

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20. EXERCISE #2
DO THE SAME THING FOR
“NOTE” EDITTEXT
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21. SOLUTION
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22. EXERCISE #3
SET REFERENCE TO SAVE
BUTTON
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23. SOLUTION
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24. ONCLICK LISTENERS
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32. WHAT’S WRONG WITH THE
CODE?
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34. SAVING DATA
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38. when opening a file, always close it!
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40. DDMS MODE
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44. RETURN TO PREVIOUS
PERSPECTIVE
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45. CREATE NEW ACTIVITY
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50. MainActivity.java
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51. RUN AND TEST
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54. EXERCISE #4 ADD NEW
ACTIVITY IN MANIFEST FILE
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56. RUN AND TEST
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64. RUN AND TEST
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65. EXERCISE #5
Read the file without overriding the current file data
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66. USE STRING BUILDER
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67. FINISHING TOUCHES
READACTIVITY.JAVA
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68. MAINACTIVITY.JAVA
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69. main.xml
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70. THANKS!
GEEK FOR A CAUSE
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