TALK-TO-ME

HOW IT WORKS?

When the button is clicked, the text-to-speech is activated and says "Good job".

THE BLOCKS:

SPLASH SCREEN

HOW IT WORKS?

It is the beast example to know how to use multiple screens in App Inventor 2. When the app is opened, the clock timer is enabled. After the time is reached, the other screen is opened.

THE BLOCKS:

SPEAK BACK

HOW IT WORKS?

When the button is clicked the speech recognizer is activated. After speaking, the text-to-speech gets activated and speaks the same message recognized.

THE BLOCKS

E-MAIL APP

HOW IT WORKS?

When the button is clicked, the E-mail is sent to the E-mail id mentioned by the user in the first textbox.

*Note:To send E-mails you must be logged in with your Google account.

Codes:

• Action: android.intent.action.VIEW
• mailto:
• ?subject=
• &body=

THE BLOCKS:

SEARCH ENGINE

HOW IT WORKS?

The app takes help of Google, the search engine to fetch results.

THE BLOCKS:

PEDOMETER

HOW IT WORKS?

First the stride length needs to be set. After the stride length is set, click the START button to start measuring steps.

THE BLOCKS:

QR AND BARCODE SCANNER

HOW IT WORKS?

When the scan button is clicked, the Barcode scanner takes help of the camera to scan the code. After the code is scanned, the results are displayed with the help of the WEBVIEWER.

THE BLOCKS:

PHONE CALL ASSISTANT

HOW IT WORKS?

The phone number to call is set after the phone number is picked with the use of the phone number picker. When the button is clicked the phone call is made.

THE BLOCKS:

SENDING WHATSAPP MESSAGES

HOW IT WORKS?

First, the message to be sent should be typed in the textbox. When the SEND button is clicked, A list of contacts using Whatsapp appears. Then the contact to which the Whatsapp message to be sent should be selected. After the contact is selected, the message is sent.

CODES:

• ACTION: android.intent.action.SEND
• ActivityPackage: com.whatsapp
• ActivityClass: com.whatsapp.ContactPicker
• DataType: text/plain
• ExtraKey: android.intent.extra.TEXT

THE BLOCKS:

MULTIPLE CHOICE QUIZ

HOW IT WORKS?

3 images are uploaded. The user has to guess the name of the animal. If the answer guessed is the correct, the background color of the button is changed to green else id the answer guessed is wrong, the background color of the button is changed to red.

THE BLOCKS:

PASSWORD TEXTBOX

HOW IT WORKS?

There are 2 screens. In the first screen, you'll have to enter the right password to get access to the other screen.

THE BLOCKS:

CHECKBOX

HOW IT WORKS?

When the checkboxes are checked or unchecked, the visibility of the images are changed accordingly.

THE BLOCKS:

CAMERA AND CAMCORDER

HOW IT WORKS?

When the TAKE AN IMAGE button is clicked, the image is taken after the image is taken, it is displayed in IMAGE1. When the RECORD A VIDEO button is clicked, the video is recorded after the video is recorded, it is displayed in VIDEO PLAYER1.

THE BLOCKS:

PICTURE EDITOR

HOW IT WORKS?

First an image has to be selected from the gallery using the IMAGEPICKER. After picking, the background image of the canvas will be changed to the image selected. The color of the line can also be changed along with the width of the line. When the save button is clicked, the canvas is saved.

THE BLOCKS:

SHARING COMPONENT

HOW IT WORKS?

The working of the sharing component is not like a sharing app, else only a pop up of apps that support sharing appears. When the SHARE ONLY TEXT button is clicked only the text, HEY THERE! will be shared. When the SHARE ONLY BUTTON is clicked, only the picture of a QR code will be shared. When the SHARE button is clicked, both the image and the text will be shared.

THE BLOCKS:

LISTPICKER

HOW IT WORKS?

When the app is opened, none of the labels are visible. After the selection of the labels using the LISTPICKER, the labels visibility will be set to true.

THE BLOCKS:

ACCELEROMETER SENSOR

HOW IT WORKS?

When the TEST button is clicked the text of the labels will be changed to the X,Y&Z AXES from top to bottom.

THE BLOCKS: