Adding voice launch, speech recognition and text to speech to Android and Google Glass. See also http://delphi.org/2014/07/android-voice/

1. EMBARCADERO
TECHNOLOGIES
EMBARCADERO
TECHNOLOGIES
Add
Voice
to
All
Your
Android
Apps
Jim
McKeeth
Lead
World
Wide
Developer
Evangelist
&
Engineer
jim.mckeeth@embarcadero.com
@JimMcKeeth
10th
of
July,
2014
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2. EMBARCADERO
TECHNOLOGIES
Agenda
• Voice
Launching
Google
Glass
Apps
– Standard
Triggers
– Unlisted
Triggers
• AddiUonal
Prompts
on
Google
Glass
• Voice
RecogniUon
on
Android
• Text-­‐To-­‐Speech
on
Android

3. EMBARCADERO
TECHNOLOGIES
Voice
Launching
Google
Glass
Apps
• Add
a
Voice
Trigger
XML
file:
– Choose
a
Standard
Voice
command
hLp://embt.co/glass-­‐voice-­‐triggers
– Deploy
to
resxml
folder.
• Modify
the
Android
Manifest
Template:
– Add
an
Intent
Filter
• <action
android:name="com.google.android.glass.action.VOICE_TRIGGER"/>
– Add
Meta
Data
for
Filter
• <meta-­‐data
android:name="com.google.android.glass.VoiceTrigger”
android:resource="@xml/my_voice_trigger"
/>

4. EMBARCADERO
TECHNOLOGIES
Custom
Glass
Voice
Trigger
• Change
XML
to
from
Command
to
Keyword.
• Use
arbitrary
text
for
voice
trigger.
• Use
the
Development
permission:
– <uses-­‐permission
android:name="com.google.android.glass.permission.DEVELOPMENT"/>
– Added
to
android
manifest
template
• Not
allowed
for
distribuUon
– Usable
for
in-­‐house
use

5. EMBARCADERO
TECHNOLOGIES
AddiConal
Prompts
on
Google
Glass
• Collect
addiUonal
Voice
recogniUon
input
when
app
is
launched.
– Add
an
Input
Prompt
to
the
Voice
Trigger
XML
<?xml
version="1.0"
encoding="UTF-­‐8"?>
<trigger
command="TAKE_A_NOTE">
<input
prompt="What
shall
I
say?"
/>
</trigger>
• In
FormCreate
get
speech
guesses
from
Intent
Extras
– SharedActivity.getIntent.getExtras.
getStringArrayList(TJRecognizerIntent.JavaClass.EXTRA_RESULTS);

6. EMBARCADERO
TECHNOLOGIES
Voice
RecogniCon
on
Android
• Prompts
user
for
voice
input
• Returns
up
to
5
“guesses”
• Works
offline
too
– (only
returns
1
guess)
• Reusable
component
for
download.

7. EMBARCADERO
TECHNOLOGIES
Text-­‐To-­‐Speech
on
Android
• Converts
Text
to
spoken
word.
• Reusable
component
based
on
Jeff
Overcash’s
translaUon.
• Example
of
handling
Java
Listener
events.

8. EMBARCADERO
TECHNOLOGIES
DEMONSTRATION
Add
Voice
to
All
Your
Android
Apps

9. EMBARCADERO
TECHNOLOGIES
Android
Voice
Summary
• Using
Voice
to
Launch
on
Google
Glass
• Google
Glass
Prompts
for
Voice
Input
• Voice
RecogniUon
on
Android
• Text-­‐To-­‐Speech
on
Android

10. EMBARCADERO
TECHNOLOGIES
Android
JNI
Resources
• Samples
– C:UsersPublicDocumentsEmbarcaderoStudio14.0SamplesObject
PascalMobile
SamplesGoogle
Glass
• DocWiki
– hLp://docwiki.embarcadero.com/CodeExamples/XE6/en/FMX.Mobile.GoogleGlass_Sample_(Delphi)
• Glass
Launch
Commands
– hLp://embt.co/glass-­‐voice-­‐triggers
• Blog
Post
– Slides
&
New
Samples
– hLp://delphi.org/2014/07/android-­‐voice/
(Later
today)
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