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Layout: "activity_main" Id: "addbutton" Addition Addition Number One Number Two LJUD ADD 50 50 100.0 Id: "txtnum1" Id: "txtnum2" Id: "txtviewresult"

Layout: "activity_main" Id: "addbutton" Addition Addition Number One Number Two LJUD ADD 50 50 100.0 Id: "txtnum1" Id: "txtnum2" Id: "txtviewresult"

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Write the activation code of the following android application activity in order that when a user presses the ADD button the sum of the two numbers in (txtnum1, txtnum2) will appear in (txtviewresult). Also, the activity should accept float numbers.

(Hint: to parse String to Float use “Float.parseFloat”) 

Layout: "activity_main" Id: "addbutton" Addition Addition Number One Number Two RAUD ADD 50 50 100.0 Id: "txtnum1" Id: "txtnum2" Id: "txtviewresult"
Transcribed Image Text:Layout: "activity_main" Id: "addbutton" Addition Addition Number One Number Two RAUD ADD 50 50 100.0 Id: "txtnum1" Id: "txtnum2" Id: "txtviewresult"
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