android development - note taking app from scratch
DESCRIPTION
Android development for noobs - creating a note taking app from scratchTRANSCRIPT
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ANDROID DEVELOPMENTNOTE TAKING APP FROM SCRATCH
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CREATE AN ANDROID PROJECT
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Right Click
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Exercise : Create UI like shown below
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Solution
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CREATING THE APP
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1. GET THE TEXT FROM TWO INPUT FIELDS
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Double click the textbox to switch to XML view
set id = etTitle set id = etNote
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EXERCISE #2DO THE SAME THING FOR
“NOTE” EDITTEXT
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SOLUTION
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EXERCISE #3SET REFERENCE TO SAVE
BUTTON
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SOLUTION
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ONCLICK LISTENERS
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WHAT’S WRONG WITH THE CODE?
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SAVING DATA
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when opening a file, always close it!
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DDMS MODE
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RETURN TO PREVIOUS PERSPECTIVE
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CREATE NEW ACTIVITY
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MainActivity.java
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RUN AND TEST
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EXERCISE #4 ADD NEW ACTIVITY IN MANIFEST FILE
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RUN AND TEST
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RUN AND TEST
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EXERCISE #5Read the file without overriding the current file data
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USE STRING BUILDER
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FINISHING TOUCHES
READACTIVITY.JAVA
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MAINACTIVITY.JAVA
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main.xml
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THANKS!
GEEK FOR A CAUSEMonday, November 18, 13