Android Development - NOTE TAKING APP FROM SCRATCH

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