Things marked *EC* are for the extra credit.
++ Main UI ++ Dialog UI ++ Edit UI
ListView Linear Linear
ImageView TextView Image Image
Checkbox *EC* Button EditText
Buttons Record, Stop *EC*
Button Save
++ Room
DB
Entities
int id - primary key
long imageId
String description
byte[] recording *EC*
Constructor, setters, getters
DAO
fetchAll - query
getById - query
getByImageId - query
insert, delete, update
++ Main activity
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onCreate
getPermissions
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goOnCreating
Set UI content
Start random song looping
Build DB
fillListView
Create filename for recording in ExternalCacheDir *EC*
Create TTS
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fillListView
Fetch images to get an image cursor (needs to be global)
Convert to ArrayList of HashMap
Put thumbnail
if image is in DB
Put description
Put recording *EC*
Create and set SimpleAdapter
Set ViewBinder and ItemClickListener to this
Assign adpater to ListView
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setViewValue
switch on view id
Cast data to right type and put in view
return true
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onItemCLick
Get image id and Uri from image cursor
Pause the song
if image is in the DB (look for the image id)
Put Uri in Bundle
Show dialog
Speak description
Speak any recording *EC*
else
Put image id and Uri in Intent
Launch edit activity
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ARL edit activity
onActivityResult
if RESULT_OK
Put image id in DB entity
Put new description in DB entity
Put new recording in DB entity *EC*
Add entity to DB
fillListView (how lazy)
Resume song
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onDestroy
Close DB
Shutdown TTS
Release song player
Close image cursor
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stopTalking (from dialog)
Stop TTS
Stop playing recording *EC*
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getPermissions
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++ Dialog
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onCreateView
Inflate dialog
Get image URI and set in dialog
Set OnClickListener
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onClick
Call stopTalking in activity
dismiss()
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public interface StopTalking
public void stopTalking
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++ Edit activity
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onCreate
Get image id and Uri from Intent and put in UI
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clickHandler
switch on buttons
case record *EC*
Start recording to file
case stop *EC*
Stop recording
Read bytes from file
case save
if a description or recording has been entered
Put image id in Intent
Put description in Intent
Put recording bytes in Intent *EC*
return RESULT_OK
else
return RESULT_CANCELLED
finish()
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