Page 109 - Trackpad_ipro 4.1_Class8
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Component Blocks: It contains relevant blocks for the components we have added in the
Design window.
Workspace: It arranges all the blocks for coding 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.
Making Click Event for Button
To make click event for button, follow the given steps:
2 Drag and drop When
Talking_Me.Click do
block on the workspace.
1 Click on the
Talking_Me button.
This is an Event Handler block that will handle what happens when the button on your app is
clicked.
Program the TextToSpeech Action
To program the TextToSpeech action, follow the given steps:
3 Drag the block to the Workspace and drop it
onto the block labeled when Talking_Me.Click.
2 Click and hold the call
1 Click on the
TextToSpeech1.Speak
TextToSpeech1 message block.
block.
This block will execute when the button on our app is clicked and make our phone speak.
App Development 107

