Page 120 - Touchpad_Plus_V3.2_Class 8
P. 120
Block Editor
This is the place where we code the components added in the Design Window and instruct
them about the actions to be performed by them. We can open it by clicking on the Blocks
button at the top of the window.
Blocks
Button
Backpack
Built-in Blocks
Workspace
Components
Blocks
Trash
Block Editor window
Different components of Bock Editor window are as follows:
Built-in Blocks: It contains all the predefined blocks in the application. They are responsible
for handling operations like Math, Text, Logic and Control.
Component Blocks: It contains relevant blocks for the components we have added in the
Designer window.
Workspace: All the blocks for coding are arranged in the workspace.
Trash: It is used for deleting blocks that are not required.
Backpack: It stores the copy of all the blocks even when we exit App Inventor. It is used to
copy and paste blocks to different screens and projects.
Making Click Event for Button
To make a click event for button, follow the given steps:
Step 1 Click on the Talking_Me button.
Step 2 Drag and drop the When Talking_Me.Click do block, and drag and drop it to
workspace.
118 Plus (Ver. 3.2)-VIII

