App Inventor 2
Programming mobile phones with Android 
by App Inventor 2 - Juan Antonio Villalpando

- Initiation Tutorial App Inventor 2 -

Return to tutorial index

____________________________

Media

11.- Camera. Notifier. Text to speech.

ip11_camera

- Press a Button and the Camera phone or tablet starts.
- We make a picture.
- When you have made ​​the photo, it appears in size 100 x 100 screen, along comes a notification that the photo has been taken and also a message voice: "The photo has been taken."

To operate the process text to speech, we must download and install on your mobile phone or tablet, this file tts_3.1_market.apk or scan this QR: obtained in ... http://code.google.com/p/eyes-free/downloads/list It can also serve: talkback-v3.5.0_r105.apk

_________________
Design

Propierties Image1: Width:100, Hight: 100

_________________
Blocks

By the Pitch we can set the tone of the sound. SpeechRate to speed, these numbers can have a value between 0 and 2.
See bottom of this page code countries.

- The picture is saved in file:///mnt/sdcard/Pictures/app_inventor_1111.jpg

______________________________
12.- SoundPlayer. VideoPlayer.
To hear sounds, music and watching videos.

ip12_sound

Sound is used for short sounds: gunshots, musical notes, sound at an event occurrence, ...
Property: MinimumInterval (ms) is the maximum time between two sounds, we put 1

Player is used for songs, its mp3, mid, ... is also used for mobile vibration.

VideoPlayer is used for videos. (MP4).

notas.zip

SanBernardino.mid

Amarillo.mid

dw11222.mp4 (3 MB)

- Video mp4 converter online to: http://video.online-convert.com/es/convertir-a-mp4

- Examples of .wmw files: http://download.wavetlan.com/SVV/Media/HTTP/http-wmv.htm

- Examples of .mp4 files: http://download.wavetlan.com/SVV/Media/HTTP/http-mp4.htm

_________________
Design

_________________
Blocks

_____

- Another project of piano

p12B_mini_piano

This project is more sophisticated than the previous mini piano.

______________________________
13.- SoundRecorder.

p13_grabador_voz

We spoke in front of mobile or tablet, we recorded our sound and then reproduce.

The display changes its background color at the beginning and end of the recording.

_________________
Design

_________________
Blocks

______________________________
14.- TextToSpeech. SpeechRecognizer.

ip14_text_to_speech

- You write a short text in the box and press the Button. The program will deliver written.

- You press the Button and speak in front mobile or tablet. The steepness be written on the Label.

- In the TextToSpeech they are Properties Pitch and VelocidadDePronunciación with which we can set the tone and speed of pronunciation.

_________________
Design

_________________
Blocks

______________________________
15.- YandexTranslate.

ip15_yandex_translate.aia

- You write anything in the box, then click the button and translated (in the chosen language) text showing it on the Label.

- In languageToTraslate, we put the language you want to translate (es, eng, fra, ita, por).
- Other form: eng-es, es-eng eng-fra es-por.
- Languages ​​that can be used: Yandex.

- For operation it is necessary for the mobile or tablet is connected to the Internet, since the translation is done on the web Yandex.

_________________
Design

_________________
Blocks

______________________________
16.- Translation Exercise.

ip16_traslate_speech

With the controls seen so far, performed a program where:

- When press Button1. You speak a phrase.
The phrase is written in Label1 (SpeechRecognizer).
- When press Button2. The phrase found in the Label1 Speech.

- When press Button3. The phrase found in the Label1 be translated into Spanish and written to the Label2 (YandexTranslate).

- When press Button4. The phrase in the Label2 is write in English (TextToSpeech).

_________________
Design

_________________
Blocks

_________________
Codes

List of country codes and language for TextToSpeech

• ces (Czech Republic)
  • CZE
    
• spa (Spain)
  • ESP
  • USA
    
• deu (Germany)
  • AUT
  • BEL
  • CHE
  • DEU
  • LIE
  • LUX
    
• fra (France)
  • BEL
  • DOG
  • CHE
  • FRA
  • LUX
    
• NLD (Netherlands)
  • BEL
  • NLD
    
• ita (Italy)
  • CHE
  • ITA
    
• pol (Poland)
  • POL
    
• eng (English)
  • AUS
  • BEL
  • BWA
  • BLZ
  • DOG
  • GBR
  • HKG
  • IRL
  • IND
  • JAM
  • MHL
  • MLT
  • NAM
  • NZL
  • PHL
  • PAK
  • SGP
  • TTO
  • USA
  • VIR
  • ZAF
  • ZWE

__________________________________