refactoring code to use proper views in the UI and turned the camera instance into its own view with callbacks.
Also added in the model for initial use, and working to create the inferences off of TFLite using that view.
This commit is contained in:
Lucas Oskorep
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aggron
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aipom
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alakazam
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alomomola
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altaria
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amaura
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ambipom
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amoonguss
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ampharos
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anorith
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araquanid
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arbok
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arcanine
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arceus
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archen
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archeops
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aromatisse
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articuno
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audino
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aurorus
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avalugg
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axew
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azelf
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azumarill
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bagon
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baltoy
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banette
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barbaracle
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barboach
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basculin
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bastiodon
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bayleef
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beartic
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beautifly
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beedrill
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beheeyem
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beldum
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bellossom
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bellsprout
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bergmite
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bewear
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bibarel
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bidoof
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binacle
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bisharp
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blacephalon
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blastoise
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blaziken
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blissey
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blitzle
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boldore
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bonsly
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bouffalant
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bounsweet
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braixen
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braviary
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breloom
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brionne
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bronzong
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bronzor
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bruxish
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budew
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buizel
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bulbasaur
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buneary
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bunnelby
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burmy
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butterfree
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buzzwole
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cacnea
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cacturne
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camerupt
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carbink
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carnivine
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carracosta
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carvanha
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cascoon
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castform
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caterpie
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celebi
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celesteela
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chandelure
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chansey
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charizard
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charjabug
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charmander
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charmeleon
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chatot
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cherrim
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cherubi
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chesnaught
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chespin
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chikorita
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chimchar
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chimecho
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chinchou
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chingling
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cinccino
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clamperl
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clauncher
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clawitzer
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claydol
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clefable
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clefairy
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cleffa
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cloyster
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cobalion
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cofagrigus
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combee
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combusken
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comfey
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conkeldurr
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corphish
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corsola
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cosmoem
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cosmog
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cottonee
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crabominable
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crabrawler
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cradily
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cranidos
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crawdaunt
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cresselia
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croagunk
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crobat
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croconaw
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crustle
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cryogonal
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cubchoo
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cubone
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cutiefly
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cyndaquil
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darkrai
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darmanitan
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dartrix
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darumaka
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decidueye
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dedenne
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deerling
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deino
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delcatty
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delibird
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delphox
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deoxys
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dewgong
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dewott
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dewpider
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dhelmise
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dialga
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diancie
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diggersby
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diglett
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ditto
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dodrio
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doduo
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donphan
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doublade
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dragalge
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dragonair
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dragonite
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drampa
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drapion
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dratini
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drifblim
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drifloon
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drilbur
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drowzee
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druddigon
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ducklett
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dugtrio
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dunsparce
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duosion
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durant
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dusclops
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dusknoir
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duskull
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dustox
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dwebble
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eelektrik
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eelektross
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eevee
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ekans
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electabuzz
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electivire
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electrike
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electrode
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elekid
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elgyem
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emboar
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emolga
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empoleon
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entei
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escavalier
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espeon
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espurr
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excadrill
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exeggcute
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exeggutor
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exploud
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farfetchd
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fearow
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feebas
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fennekin
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feraligatr
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ferroseed
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ferrothorn
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finneon
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flaaffy
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flabebe
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flareon
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fletchinder
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fletchling
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floatzel
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floette
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florges
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flygon
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fomantis
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foongus
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forretress
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fraxure
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frillish
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froakie
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frogadier
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froslass
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furret
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gabite
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gallade
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galvantula
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garbodor
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garchomp
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gardevoir
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gastly
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gastrodon
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genesect
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gengar
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geodude
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gigalith
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giratina
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glaceon
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glalie
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glameow
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gligar
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gliscor
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golbat
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goldeen
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golduck
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golem
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golett
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golurk
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goodra
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gothita
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gothitelle
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gothorita
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gourgeist
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granbull
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greninja
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gurdurr
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guzzlord
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happiny
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hariyama
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haunter
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haxorus
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heatmor
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heatran
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hippopotas
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hippowdon
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hitmontop
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honchkrow
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hoopa
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hoppip
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huntail
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hydreigon
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hypno
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illumise
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incineroar
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infernape
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inkay
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jellicent
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jigglypuff
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jirachi
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jolteon
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joltik
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jumpluff
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jynx
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kabutops
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kakuna
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kartana
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kecleon
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keldeo
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kingdra
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kingler
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kirlia
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klang
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klefki
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klink
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klinklang
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koffing
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komala
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kommo-o
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krabby
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kricketot
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kricketune
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krokorok
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krookodile
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kyogre
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kyurem
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lairon
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lampent
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landorus
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lapras
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larvesta
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larvitar
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latias
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latios
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leafeon
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leavanny
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ledian
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ledyba
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lickitung
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liepard
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lileep
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lilligant
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lillipup
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linoone
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litleo
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litten
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litwick
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lombre
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lotad
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lugia
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lumineon
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lunala
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lunatone
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lurantis
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luxio
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luxray
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machoke
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machop
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magcargo
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magearna
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magikarp
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magmar
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magmortar
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magnemite
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magneton
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magnezone
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makuhita
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malamar
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mamoswine
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manaphy
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mandibuzz
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manectric
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mankey
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mantine
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mantyke
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mareanie
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mareep
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marill
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marowak
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meganium
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meloetta
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meowth
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metagross
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metang
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metapod
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mew
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mienfoo
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mienshao
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mightyena
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miltank
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mime-jr
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mimikyu
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minccino
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minior
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minun
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mismagius
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morelull
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mr-mime
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mudbray
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mudkip
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mudsdale
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muk
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munchlax
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munna
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murkrow
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musharna
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naganadel
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natu
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necrozma
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nidoran-f
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nidorina
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nihilego
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octillery
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omanyte
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onix
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oranguru
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oricorio
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oshawott
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palkia
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panpour
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pansage
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pansear
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paras
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parasect
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passimian
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patrat
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pawniard
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persian
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petilil
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phanpy
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phantump
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pheromosa
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pidgeot
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pidgeotto
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pidgey
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pidove
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pignite
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pikachu
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pikipek
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piloswine
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pineco
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pinsir
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piplup
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plusle
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poipole
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poliwhirl
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poliwrath
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ponyta
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poochyena
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popplio
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porygon
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porygon-z
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porygon2
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primarina
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primeape
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prinplup
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probopass
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psyduck
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pumpkaboo
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pupitar
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purrloin
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purugly
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pyroar
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pyukumuku
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quagsire
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quilava
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quilladin
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qwilfish
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raichu
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raikou
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ralts
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rampardos
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rapidash
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raticate
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rattata
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rayquaza
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regice
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regigigas
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regirock
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registeel
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relicanth
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remoraid
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reshiram
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reuniclus
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rhydon
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rhyhorn
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rhyperior
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ribombee
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riolu
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rockruff
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roggenrola
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roselia
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roserade
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rotom
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rowlet
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rufflet
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sableye
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salamence
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salandit
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salazzle
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samurott
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sandile
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sandshrew
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sandslash
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sandygast
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sawk
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sawsbuck
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scatterbug
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sceptile
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scizor
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scolipede
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scrafty
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scraggy
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scyther
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seadra
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seaking
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sealeo
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seedot
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seel
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seismitoad
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sentret
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serperior
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servine
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seviper
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sewaddle
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sharpedo
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shaymin
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shedinja
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shelgon
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shellder
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shellos
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shelmet
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shieldon
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shinx
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shroomish
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shuckle
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shuppet
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sigilyph
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silcoon
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silvally
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simipour
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simisage
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simisear
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skarmory
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skiddo
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skiploom
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skitty
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skorupi
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skrelp
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skuntank
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slaking
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slakoth
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sliggoo
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slowbro
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slowking
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slowpoke
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slugma
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slurpuff
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smeargle
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smoochum
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sneasel
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snivy
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snorlax
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snorunt
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snover
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snubbull
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solgaleo
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solosis
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solrock
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spearow
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spewpa
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spheal
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spinarak
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spinda
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spiritomb
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spoink
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spritzee
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squirtle
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stakataka
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stantler
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staraptor
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staravia
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starly
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staryu
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steelix
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steenee
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stufful
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stunfisk
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sunflora
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|
||||
surskit
|
||||
swablu
|
||||
swadloon
|
||||
swalot
|
||||
swampert
|
||||
swanna
|
||||
swellow
|
||||
swinub
|
||||
swirlix
|
||||
swoobat
|
||||
sylveon
|
||||
taillow
|
||||
talonflame
|
||||
tangela
|
||||
tangrowth
|
||||
tapu-bulu
|
||||
tapu-fini
|
||||
tapu-koko
|
||||
tapu-lele
|
||||
tauros
|
||||
teddiursa
|
||||
tentacool
|
||||
tentacruel
|
||||
tepig
|
||||
terrakion
|
||||
throh
|
||||
thundurus
|
||||
timburr
|
||||
tirtouga
|
||||
togedemaru
|
||||
togekiss
|
||||
togepi
|
||||
togetic
|
||||
torchic
|
||||
torkoal
|
||||
tornadus
|
||||
torracat
|
||||
torterra
|
||||
totodile
|
||||
toucannon
|
||||
toxapex
|
||||
toxicroak
|
||||
tranquill
|
||||
trapinch
|
||||
treecko
|
||||
trevenant
|
||||
tropius
|
||||
trubbish
|
||||
trumbeak
|
||||
tsareena
|
||||
turtonator
|
||||
turtwig
|
||||
tympole
|
||||
tynamo
|
||||
type-null
|
||||
typhlosion
|
||||
tyranitar
|
||||
tyrantrum
|
||||
tyrogue
|
||||
tyrunt
|
||||
umbreon
|
||||
unfezant
|
||||
unown
|
||||
ursaring
|
||||
uxie
|
||||
vanillish
|
||||
vanillite
|
||||
vanilluxe
|
||||
vaporeon
|
||||
venipede
|
||||
venomoth
|
||||
venonat
|
||||
venusaur
|
||||
vespiquen
|
||||
vibrava
|
||||
victini
|
||||
victreebel
|
||||
vigoroth
|
||||
vikavolt
|
||||
vileplume
|
||||
virizion
|
||||
vivillon
|
||||
volbeat
|
||||
volcanion
|
||||
volcarona
|
||||
voltorb
|
||||
vullaby
|
||||
vulpix
|
||||
wailmer
|
||||
wailord
|
||||
walrein
|
||||
wartortle
|
||||
watchog
|
||||
weavile
|
||||
weedle
|
||||
weepinbell
|
||||
weezing
|
||||
whimsicott
|
||||
whirlipede
|
||||
whiscash
|
||||
whismur
|
||||
wigglytuff
|
||||
wimpod
|
||||
wingull
|
||||
wishiwashi
|
||||
wobbuffet
|
||||
woobat
|
||||
wooper
|
||||
wormadam
|
||||
wurmple
|
||||
wynaut
|
||||
xatu
|
||||
xerneas
|
||||
xurkitree
|
||||
yamask
|
||||
yanma
|
||||
yanmega
|
||||
yungoos
|
||||
yveltal
|
||||
zangoose
|
||||
zapdos
|
||||
zebstrika
|
||||
zekrom
|
||||
zeraora
|
||||
zigzagoon
|
||||
zoroark
|
||||
zorua
|
||||
zubat
|
||||
zweilous
|
||||
zygarde
|
||||
+3
-240
@@ -1,22 +1,8 @@
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:logger/logger.dart';
|
||||
import 'package:camera/camera.dart';
|
||||
|
||||
var logger = Logger(
|
||||
printer: PrettyPrinter(),
|
||||
);
|
||||
|
||||
late List<CameraDescription> _cameras;
|
||||
import 'package:tensordex_mobile/ui/home.dart';
|
||||
import 'package:tensordex_mobile/utils/logger.dart';
|
||||
|
||||
Future<void> main() async {
|
||||
try {
|
||||
WidgetsFlutterBinding.ensureInitialized();
|
||||
_cameras = await availableCameras();
|
||||
} on CameraException catch (e) {
|
||||
logger.e('Error in fetching the cameras:', e);
|
||||
}
|
||||
|
||||
_cameras = await availableCameras();
|
||||
runApp(const MyApp());
|
||||
}
|
||||
|
||||
@@ -26,6 +12,7 @@ class MyApp extends StatelessWidget {
|
||||
// This widget is the root of your application.
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
logger.i("Building main app");
|
||||
return MaterialApp(
|
||||
title: 'Tensordex',
|
||||
theme: ThemeData(
|
||||
@@ -44,227 +31,3 @@ class MyApp extends StatelessWidget {
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class TensordexHome extends StatefulWidget {
|
||||
const TensordexHome({Key? key, required this.title}) : super(key: key);
|
||||
|
||||
// This widget is the home page of your application. It is stateful, meaning
|
||||
// that it has a State object (defined below) that contains fields that affect
|
||||
// how it looks.
|
||||
|
||||
// This class is the configuration for the state. It holds the values (in this
|
||||
// case the title) provided by the parent (in this case the App widget) and
|
||||
// used by the build method of the State. Fields in a Widget subclass are
|
||||
// always marked "final".
|
||||
|
||||
final String title;
|
||||
|
||||
@override
|
||||
State<TensordexHome> createState() => _TensordexHomeState();
|
||||
}
|
||||
|
||||
class _TensordexHomeState extends State<TensordexHome> with WidgetsBindingObserver {
|
||||
int _counter = 0;
|
||||
late CameraController controller;
|
||||
bool _isCameraInitialized = false;
|
||||
|
||||
void _incrementCounter() {
|
||||
setState(() {
|
||||
// This call to setState tells the Flutter framework that something has
|
||||
// changed in this State, which causes it to rerun the build method below
|
||||
// so that the display can reflect the updated values. If we changed
|
||||
// _counter without calling setState(), then the build method would not be
|
||||
// called again, and so nothing would appear to happen.
|
||||
_counter++;
|
||||
logger.d("Counter Incremented!");
|
||||
logger.w("Counter Incremented!");
|
||||
logger.e("Counter Incremented!");
|
||||
});
|
||||
}
|
||||
|
||||
void onNewCameraSelected(CameraDescription cameraDescription) async {
|
||||
final previousCameraController = controller;
|
||||
// Instantiating the camera controller
|
||||
final CameraController cameraController = CameraController(
|
||||
cameraDescription,
|
||||
ResolutionPreset.high,
|
||||
imageFormatGroup: ImageFormatGroup.jpeg,
|
||||
);
|
||||
|
||||
// Dispose the previous controller
|
||||
await previousCameraController.dispose();
|
||||
|
||||
// Replace with the new controller
|
||||
if (mounted) {
|
||||
setState(() {
|
||||
controller = cameraController;
|
||||
});
|
||||
}
|
||||
|
||||
// Update UI if controller updated
|
||||
cameraController.addListener(() {
|
||||
if (mounted) setState(() {});
|
||||
});
|
||||
|
||||
// Initialize controller
|
||||
try {
|
||||
await cameraController.initialize();
|
||||
} on CameraException catch (e) {
|
||||
logger.e('Error initializing camera:', e);
|
||||
}
|
||||
|
||||
// Update the Boolean
|
||||
if (mounted) {
|
||||
setState(() {
|
||||
_isCameraInitialized = controller.value.isInitialized;
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@override
|
||||
void didChangeAppLifecycleState(AppLifecycleState state) {
|
||||
final CameraController cameraController = controller;
|
||||
|
||||
switch (state) {
|
||||
case AppLifecycleState.resumed:
|
||||
// --
|
||||
logger.i('Resumed');
|
||||
break;
|
||||
case AppLifecycleState.inactive:
|
||||
// --
|
||||
logger.i('Inactive');
|
||||
break;
|
||||
case AppLifecycleState.paused:
|
||||
// --
|
||||
logger.i('Paused');
|
||||
break;
|
||||
case AppLifecycleState.detached:
|
||||
// --
|
||||
logger.i('Detached');
|
||||
break;
|
||||
}
|
||||
// App state changed before we got the chance to initialize.
|
||||
if (!cameraController.value.isInitialized) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (state == AppLifecycleState.inactive) {
|
||||
// Free up memory when camera not active
|
||||
cameraController.dispose();
|
||||
} else if (state == AppLifecycleState.resumed) {
|
||||
// Reinitialize the camera with same properties
|
||||
onNewCameraSelected(cameraController.description);
|
||||
}
|
||||
}
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
WidgetsBinding.instance.addObserver(this);
|
||||
|
||||
|
||||
controller = CameraController(_cameras[0], ResolutionPreset.max);
|
||||
controller.initialize().then((_) {
|
||||
if (!mounted) {
|
||||
return;
|
||||
}
|
||||
|
||||
setState(() {onNewCameraSelected(_cameras[0]);});
|
||||
}).catchError((Object e) {
|
||||
if (e is CameraException) {
|
||||
switch (e.code) {
|
||||
case 'CameraAccessDenied':
|
||||
logger.w('User denied camera access.');
|
||||
controller.initialize().then((_) {
|
||||
if (!mounted) {
|
||||
return;
|
||||
}
|
||||
setState(() {});
|
||||
}).catchError((Object e) {
|
||||
if (e is CameraException) {
|
||||
switch (e.code) {
|
||||
case 'CameraAccessDenied':
|
||||
logger.i('User denied camera access.');
|
||||
break;
|
||||
default:
|
||||
logger.i('Handle other errors.');
|
||||
break;
|
||||
}
|
||||
}
|
||||
});
|
||||
break;
|
||||
default:
|
||||
logger.i('Handle other errors.');
|
||||
break;
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
controller.dispose();
|
||||
WidgetsBinding.instance.removeObserver(this);
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
// This method is rerun every time setState is called, for instance as done
|
||||
// by the _incrementCounter method above.
|
||||
//
|
||||
// The Flutter framework has been optimized to make rerunning build methods
|
||||
// fast, so that you can just rebuild anything that needs updating rather
|
||||
// than having to individually change instances of widgets.
|
||||
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
// Here we take the value from the MyHomePage object that was created by
|
||||
// the App.build method, and use it to set our appbar title.
|
||||
title: Text(widget.title),
|
||||
),
|
||||
body: Center(
|
||||
// Center is a layout widget. It takes a single child and positions it
|
||||
// in the middle of the parent.
|
||||
child: Column(
|
||||
// Column is also a layout widget. It takes a list of children and
|
||||
// arranges them vertically. By default, it sizes itself to fit its
|
||||
// children horizontally, and tries to be as tall as its parent.
|
||||
//
|
||||
// Invoke "debug painting" (press "p" in the console, choose the
|
||||
// "Toggle Debug Paint" action from the Flutter Inspector in Android
|
||||
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
|
||||
// to see the wireframe for each widget.
|
||||
//
|
||||
// Column has various properties to control how it sizes itself and
|
||||
// how it positions its children. Here we use mainAxisAlignment to
|
||||
// center the children vertically; the main axis here is the vertical
|
||||
// axis because Columns are vertical (the cross axis would be
|
||||
// horizontal).
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: <Widget>[
|
||||
const Text(
|
||||
'You have pushed the button this many times:',
|
||||
),
|
||||
Text(
|
||||
'$_counter',
|
||||
style: Theme.of(context).textTheme.headline4,
|
||||
),
|
||||
controller.value.isInitialized
|
||||
? CameraPreview(controller)
|
||||
: const Text("Please enable the camera!"),
|
||||
],
|
||||
),
|
||||
),
|
||||
floatingActionButton: GestureDetector(
|
||||
onLongPress: () {
|
||||
_incrementCounter();
|
||||
},
|
||||
child: FloatingActionButton(
|
||||
onPressed: _incrementCounter,
|
||||
tooltip: 'Increment',
|
||||
child: const Icon(Icons.photo_camera),
|
||||
), // This trailing comma makes auto-formatting nicer for build methods.
|
||||
));
|
||||
}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,186 @@
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:camera/camera.dart';
|
||||
import 'package:tensordex_mobile/ui/poke_view.dart';
|
||||
|
||||
import '../utils/logger.dart';
|
||||
import '../utils/recognition.dart';
|
||||
import '../utils/stats.dart';
|
||||
|
||||
class TensordexHome extends StatefulWidget {
|
||||
const TensordexHome({Key? key, required this.title}) : super(key: key);
|
||||
|
||||
// This widget is the home page of your application. It is stateful, meaning
|
||||
// that it has a State object (defined below) that contains fields that affect
|
||||
// how it looks.
|
||||
|
||||
// This class is the configuration for the state. It holds the values (in this
|
||||
// case the title) provided by the parent (in this case the App widget) and
|
||||
// used by the build method of the State. Fields in a Widget subclass are
|
||||
// always marked "final".
|
||||
|
||||
final String title;
|
||||
|
||||
@override
|
||||
State<TensordexHome> createState() => _TensordexHomeState();
|
||||
}
|
||||
|
||||
class _TensordexHomeState extends State<TensordexHome> {
|
||||
int _counter = 0;
|
||||
|
||||
/// Results to draw bounding boxes
|
||||
List<Recognition>? results;
|
||||
|
||||
/// Realtime stats
|
||||
Stats? stats;
|
||||
|
||||
/// Scaffold Key
|
||||
GlobalKey<ScaffoldState> scaffoldKey = GlobalKey();
|
||||
|
||||
void _incrementCounter() {
|
||||
setState(() {
|
||||
_counter++;
|
||||
logger.d("Counter Incremented!");
|
||||
logger.w("Counter Incremented!");
|
||||
logger.e("Counter Incremented!");
|
||||
});
|
||||
}
|
||||
|
||||
// void onNewCameraSelected(CameraDescription cameraDescription) async {
|
||||
// final previousCameraController = controller;
|
||||
// // Instantiating the camera controller
|
||||
// final CameraController cameraController = CameraController(
|
||||
// cameraDescription,
|
||||
// ResolutionPreset.high,
|
||||
// imageFormatGroup: ImageFormatGroup.jpeg,
|
||||
// );
|
||||
//
|
||||
// // Dispose the previous controller
|
||||
// await previousCameraController.dispose();
|
||||
//
|
||||
// // Replace with the new controller
|
||||
// if (mounted) {
|
||||
// setState(() {
|
||||
// controller = cameraController;
|
||||
// });
|
||||
// }
|
||||
//
|
||||
// // Update UI if controller updated
|
||||
// cameraController.addListener(() {
|
||||
// if (mounted) setState(() {});
|
||||
// });
|
||||
//
|
||||
// // Initialize controller
|
||||
// try {
|
||||
// await cameraController.initialize();
|
||||
// } on CameraException catch (e) {
|
||||
// logger.e('Error initializing camera:', e);
|
||||
// }
|
||||
//
|
||||
// // Update the Boolean
|
||||
// if (mounted) {
|
||||
// setState(() {
|
||||
// _isCameraInitialized = controller.value.isInitialized;
|
||||
// });
|
||||
// }
|
||||
// }
|
||||
|
||||
// @override
|
||||
// void initState() {
|
||||
// super.initState();
|
||||
// WidgetsBinding.instance.addObserver(this);
|
||||
|
||||
// controller = CameraController(_cameras[0], ResolutionPreset.max);
|
||||
// controller.initialize().then((_) {
|
||||
// if (!mounted) {
|
||||
// return;
|
||||
// }
|
||||
//
|
||||
// setState(() {onNewCameraSelected(_cameras[0]);});
|
||||
// }).catchError((Object e) {
|
||||
// if (e is CameraException) {
|
||||
// switch (e.code) {
|
||||
// case 'CameraAccessDenied':
|
||||
// logger.w('User denied camera access.');
|
||||
// controller.initialize().then((_) {
|
||||
// if (!mounted) {
|
||||
// return;
|
||||
// }
|
||||
// setState(() {});
|
||||
// }).catchError((Object e) {
|
||||
// if (e is CameraException) {
|
||||
// switch (e.code) {
|
||||
// case 'CameraAccessDenied':
|
||||
// logger.i('User denied camera access.');
|
||||
// break;
|
||||
// default:
|
||||
// logger.i('Handle other errors.');
|
||||
// break;
|
||||
// }
|
||||
// }
|
||||
// });
|
||||
// break;
|
||||
// default:
|
||||
// logger.i('Handle other errors.');
|
||||
// break;
|
||||
// }
|
||||
// }
|
||||
// });
|
||||
// }
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
// controller.dispose();
|
||||
// WidgetsBinding.instance.removeObserver(this);
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
/// Callback to get inference results from [CameraView]
|
||||
void resultsCallback(List<Recognition> results) {
|
||||
setState(() {
|
||||
this.results = results;
|
||||
});
|
||||
}
|
||||
|
||||
/// Callback to get inference stats from [CameraView]
|
||||
void statsCallback(Stats stats) {
|
||||
setState(() {
|
||||
this.stats = stats;
|
||||
});
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: Text(widget.title),
|
||||
),
|
||||
body: Center(
|
||||
child: Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: <Widget>[
|
||||
const Text(
|
||||
'You have pushed the button this many times:',
|
||||
),
|
||||
Text(
|
||||
'$_counter',
|
||||
style: Theme.of(context).textTheme.headline4,
|
||||
),
|
||||
CameraView(
|
||||
resultsCallback: resultsCallback,
|
||||
statsCallback: statsCallback
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
floatingActionButton: GestureDetector(
|
||||
onLongPress: () {
|
||||
_incrementCounter();
|
||||
},
|
||||
child: FloatingActionButton(
|
||||
onPressed: _incrementCounter,
|
||||
tooltip: 'Increment',
|
||||
child: const Icon(Icons.photo_camera),
|
||||
), // This trailing comma makes auto-formatting nicer for build methods.
|
||||
));
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,181 @@
|
||||
import 'dart:isolate';
|
||||
|
||||
import 'package:camera/camera.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
import '../utils/logger.dart';
|
||||
import '../utils/recognition.dart';
|
||||
import '../utils/stats.dart';
|
||||
|
||||
/// [CameraView] sends each frame for inference
|
||||
class CameraView extends StatefulWidget {
|
||||
/// Callback to pass results after inference to [HomeView]
|
||||
final Function(List<Recognition> recognitions) resultsCallback;
|
||||
|
||||
/// Callback to inference stats to [HomeView]
|
||||
final Function(Stats stats) statsCallback;
|
||||
|
||||
/// Constructor
|
||||
const CameraView(
|
||||
{Key? key, required this.resultsCallback, required this.statsCallback})
|
||||
: super(key: key);
|
||||
|
||||
@override
|
||||
State<CameraView> createState() => _CameraViewState();
|
||||
}
|
||||
|
||||
class _CameraViewState extends State<CameraView> with WidgetsBindingObserver {
|
||||
/// List of available cameras
|
||||
late List<CameraDescription> cameras;
|
||||
|
||||
/// Controller
|
||||
late CameraController cameraController;
|
||||
|
||||
/// true when inference is ongoing
|
||||
bool predicting = false;
|
||||
|
||||
// /// Instance of [Classifier]
|
||||
// Classifier classifier;
|
||||
//
|
||||
// /// Instance of [IsolateUtils]
|
||||
// IsolateUtils isolateUtils;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
initStateAsync();
|
||||
super.initState();
|
||||
}
|
||||
|
||||
void initStateAsync() async {
|
||||
WidgetsBinding.instance.addObserver(this);
|
||||
|
||||
// Spawn a new isolate
|
||||
// isolateUtils = IsolateUtils();
|
||||
// await isolateUtils.start();
|
||||
|
||||
// Camera initialization
|
||||
initializeCamera();
|
||||
|
||||
// Create an instance of classifier to load model and labels
|
||||
// classifier = Classifier();
|
||||
|
||||
// Initially predicting = false
|
||||
predicting = false;
|
||||
}
|
||||
|
||||
/// Initializes the camera by setting [cameraController]
|
||||
void initializeCamera() async {
|
||||
cameras = await availableCameras();
|
||||
|
||||
// cameras[0] for rear-camera
|
||||
cameraController =
|
||||
CameraController(cameras[0], ResolutionPreset.low, enableAudio: false);
|
||||
|
||||
cameraController.initialize().then((_) async {
|
||||
// Stream of image passed to [onLatestImageAvailable] callback
|
||||
await cameraController.startImageStream(onLatestImageAvailable);
|
||||
|
||||
/// previewSize is size of each image frame captured by controller
|
||||
///
|
||||
/// 352x288 on iOS, 240p (320x240) on Android with ResolutionPreset.low
|
||||
// Size previewSize = cameraController.value.previewSize;
|
||||
//
|
||||
// /// previewSize is size of raw input image to the model
|
||||
// CameraViewSingleton.inputImageSize = previewSize;
|
||||
//
|
||||
// // the display width of image on screen is
|
||||
// // same as screenWidth while maintaining the aspectRatio
|
||||
// Size screenSize = MediaQuery.of(context).size;
|
||||
// CameraViewSingleton.screenSize = screenSize;
|
||||
// CameraViewSingleton.ratio = screenSize.width / previewSize.height;
|
||||
});
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
// Return empty container while the camera is not initialized
|
||||
if (!cameraController.value.isInitialized || cameraController == null) {
|
||||
return Container();
|
||||
}
|
||||
|
||||
return AspectRatio(
|
||||
aspectRatio: 1/cameraController.value.aspectRatio,
|
||||
child: CameraPreview(cameraController));
|
||||
}
|
||||
|
||||
/// Callback to receive each frame [CameraImage] perform inference on it
|
||||
onLatestImageAvailable(CameraImage cameraImage) async {
|
||||
// if (classifier.interpreter != null && classifier.labels != null) {
|
||||
// // If previous inference has not completed then return
|
||||
if (predicting) {
|
||||
return;
|
||||
}
|
||||
setState(() {
|
||||
predicting = true;
|
||||
});
|
||||
logger.i("RECIEVED IMAGE");
|
||||
// logger.i(cameraImage);
|
||||
// logger.i(cameraImage.height);
|
||||
// logger.i(cameraImage.width);
|
||||
// logger.i(cameraImage.planes[0]);
|
||||
//
|
||||
// var uiThreadTimeStart = DateTime.now().millisecondsSinceEpoch;
|
||||
//
|
||||
// // Data to be passed to inference isolate
|
||||
// var isolateData = IsolateData(
|
||||
// cameraImage, classifier.interpreter.address, classifier.labels);
|
||||
//
|
||||
// // We could have simply used the compute method as well however
|
||||
// // it would be as in-efficient as we need to continuously passing data
|
||||
// // to another isolate.
|
||||
//
|
||||
// /// perform inference in separate isolate
|
||||
// Map<String, dynamic> inferenceResults = await inference(isolateData);
|
||||
//
|
||||
// var uiThreadInferenceElapsedTime =
|
||||
// DateTime.now().millisecondsSinceEpoch - uiThreadTimeStart;
|
||||
//
|
||||
// // pass results to HomeView
|
||||
// widget.resultsCallback(inferenceResults["recognitions"]);
|
||||
//
|
||||
// // pass stats to HomeView
|
||||
// widget.statsCallback((inferenceResults["stats"] as Stats)
|
||||
// ..totalElapsedTime = uiThreadInferenceElapsedTime);
|
||||
|
||||
// set predicting to false to allow new frames
|
||||
setState(() {
|
||||
predicting = false;
|
||||
});
|
||||
}
|
||||
|
||||
// /// Runs inference in another isolate
|
||||
// Future<Map<String, dynamic>> inference(IsolateData isolateData) async {
|
||||
// ReceivePort responsePort = ReceivePort();
|
||||
// isolateUtils.sendPort
|
||||
// .send(isolateData..responsePort = responsePort.sendPort);
|
||||
// var results = await responsePort.first;
|
||||
// return results;
|
||||
// }
|
||||
|
||||
@override
|
||||
void didChangeAppLifecycleState(AppLifecycleState state) async {
|
||||
switch (state) {
|
||||
case AppLifecycleState.paused:
|
||||
cameraController.stopImageStream();
|
||||
break;
|
||||
case AppLifecycleState.resumed:
|
||||
if (!cameraController.value.isStreamingImages) {
|
||||
await cameraController.startImageStream(onLatestImageAvailable);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
WidgetsBinding.instance.removeObserver(this);
|
||||
cameraController.dispose();
|
||||
super.dispose();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
import 'dart:ui';
|
||||
|
||||
class CameraViewSingleton {
|
||||
static double ratio = 0.0;
|
||||
static Size screenSize = const Size(0, 0);
|
||||
static Size inputImageSize = const Size(0, 0);
|
||||
|
||||
static Size get actualPreviewSize =>
|
||||
Size(screenSize.width, screenSize.width * ratio);
|
||||
}
|
||||
@@ -0,0 +1,86 @@
|
||||
import 'dart:io';
|
||||
|
||||
import 'package:camera/camera.dart';
|
||||
import 'package:image/image.dart' as image_lib;
|
||||
import 'package:logger/logger.dart';
|
||||
import 'package:path_provider/path_provider.dart';
|
||||
|
||||
import 'logger.dart';
|
||||
|
||||
/// ImageUtils
|
||||
class ImageUtils {
|
||||
/// Converts a [CameraImage] in YUV420 format to [image_lib.Image] in RGB format
|
||||
static image_lib.Image? convertCameraImage(CameraImage cameraImage) {
|
||||
if (cameraImage.format.group == ImageFormatGroup.yuv420) {
|
||||
return convertYUV420ToImage(cameraImage);
|
||||
} else if (cameraImage.format.group == ImageFormatGroup.bgra8888) {
|
||||
return convertBGRA8888ToImage(cameraImage);
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/// Converts a [CameraImage] in BGRA888 format to [image_lib.Image] in RGB format
|
||||
static image_lib.Image convertBGRA8888ToImage(CameraImage cameraImage) {
|
||||
image_lib.Image img = image_lib.Image.fromBytes(
|
||||
cameraImage.planes[0].width ?? 0,
|
||||
cameraImage.planes[0].height ?? 0,
|
||||
cameraImage.planes[0].bytes,
|
||||
format: image_lib.Format.bgra
|
||||
);
|
||||
return img;
|
||||
}
|
||||
|
||||
/// Converts a [CameraImage] in YUV420 format to [image_lib.Image] in RGB format
|
||||
static image_lib.Image convertYUV420ToImage(CameraImage cameraImage) {
|
||||
final int width = cameraImage.width;
|
||||
final int height = cameraImage.height;
|
||||
|
||||
final int uvRowStride = cameraImage.planes[1].bytesPerRow;
|
||||
final int uvPixelStride = cameraImage.planes[1].bytesPerPixel?? 0;
|
||||
|
||||
final image = image_lib.Image(width, height);
|
||||
|
||||
for (int w = 0; w < width; w++) {
|
||||
for (int h = 0; h < height; h++) {
|
||||
final int uvIndex =
|
||||
uvPixelStride * (w / 2).floor() + uvRowStride * (h / 2).floor();
|
||||
final int index = h * width + w;
|
||||
|
||||
final y = cameraImage.planes[0].bytes[index];
|
||||
final u = cameraImage.planes[1].bytes[uvIndex];
|
||||
final v = cameraImage.planes[2].bytes[uvIndex];
|
||||
|
||||
image.data[index] = ImageUtils.yuv2rgb(y, u, v);
|
||||
}
|
||||
}
|
||||
return image;
|
||||
}
|
||||
|
||||
/// Convert a single YUV pixel to RGB
|
||||
static int yuv2rgb(int y, int u, int v) {
|
||||
// Convert yuv pixel to rgb
|
||||
int r = (y + v * 1436 / 1024 - 179).round();
|
||||
int g = (y - u * 46549 / 131072 + 44 - v * 93604 / 131072 + 91).round();
|
||||
int b = (y + u * 1814 / 1024 - 227).round();
|
||||
|
||||
// Clipping RGB values to be inside boundaries [ 0 , 255 ]
|
||||
r = r.clamp(0, 255);
|
||||
g = g.clamp(0, 255);
|
||||
b = b.clamp(0, 255);
|
||||
|
||||
return 0xff000000 |
|
||||
((b << 16) & 0xff0000) |
|
||||
((g << 8) & 0xff00) |
|
||||
(r & 0xff);
|
||||
}
|
||||
|
||||
static void saveImage(image_lib.Image image, [int i = 0]) async {
|
||||
List<int> jpeg = image_lib.JpegEncoder().encodeImage(image);
|
||||
final appDir = await getTemporaryDirectory();
|
||||
final appPath = appDir.path;
|
||||
final fileOnDevice = File('$appPath/out$i.jpg');
|
||||
await fileOnDevice.writeAsBytes(jpeg, flush: true);
|
||||
logger.i('Saved $appPath/out$i.jpg');
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,5 @@
|
||||
import 'package:logger/logger.dart';
|
||||
|
||||
var logger = Logger(
|
||||
printer: PrettyPrinter(),
|
||||
);
|
||||
@@ -0,0 +1,21 @@
|
||||
|
||||
/// Represents the recognition output from the model
|
||||
class Recognition {
|
||||
/// Index of the result
|
||||
final int _id;
|
||||
/// Label of the result
|
||||
final String _label;
|
||||
/// Confidence [0.0, 1.0]
|
||||
final double _score;
|
||||
|
||||
Recognition(this._id, this._label, this._score);
|
||||
|
||||
int get id => _id;
|
||||
String get label => _label;
|
||||
double get score => _score;
|
||||
|
||||
@override
|
||||
String toString() {
|
||||
return 'Recognition(id: $id, label: $label, score: $score)';
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,23 @@
|
||||
/// Bundles different elapsed times
|
||||
class Stats {
|
||||
/// Total time taken in the isolate where the inference runs
|
||||
int totalPredictTime;
|
||||
|
||||
/// [totalPredictTime] + communication overhead time
|
||||
/// between main isolate and another isolate
|
||||
int totalElapsedTime;
|
||||
|
||||
/// Time for which inference runs
|
||||
int inferenceTime;
|
||||
|
||||
/// Time taken to pre-process the image
|
||||
int preProcessingTime;
|
||||
|
||||
Stats(this.totalPredictTime, this.totalElapsedTime, this.inferenceTime,
|
||||
this.preProcessingTime);
|
||||
|
||||
@override
|
||||
String toString() {
|
||||
return 'Stats{totalPredictTime: $totalPredictTime, totalElapsedTime: $totalElapsedTime, inferenceTime: $inferenceTime, preProcessingTime: $preProcessingTime}';
|
||||
}
|
||||
}
|
||||
+127
-1
@@ -1,6 +1,13 @@
|
||||
# Generated by pub
|
||||
# See https://dart.dev/tools/pub/glossary#lockfile
|
||||
packages:
|
||||
archive:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: archive
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "3.3.0"
|
||||
async:
|
||||
dependency: transitive
|
||||
description:
|
||||
@@ -71,6 +78,13 @@ packages:
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.3.3+1"
|
||||
crypto:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: crypto
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "3.0.2"
|
||||
cupertino_icons:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
@@ -92,6 +106,13 @@ packages:
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.2.1"
|
||||
file:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: file
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "6.1.2"
|
||||
flutter:
|
||||
dependency: "direct main"
|
||||
description: flutter
|
||||
@@ -121,6 +142,13 @@ packages:
|
||||
description: flutter
|
||||
source: sdk
|
||||
version: "0.0.0"
|
||||
image:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
name: image
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "3.2.0"
|
||||
js:
|
||||
dependency: transitive
|
||||
description:
|
||||
@@ -170,6 +198,69 @@ packages:
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.8.1"
|
||||
path_provider:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
name: path_provider
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.11"
|
||||
path_provider_android:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: path_provider_android
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.15"
|
||||
path_provider_ios:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: path_provider_ios
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.10"
|
||||
path_provider_linux:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: path_provider_linux
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.1.7"
|
||||
path_provider_macos:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: path_provider_macos
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.6"
|
||||
path_provider_platform_interface:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: path_provider_platform_interface
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.4"
|
||||
path_provider_windows:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: path_provider_windows
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.7"
|
||||
petitparser:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: petitparser
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "5.0.0"
|
||||
platform:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: platform
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "3.1.0"
|
||||
plugin_platform_interface:
|
||||
dependency: transitive
|
||||
description:
|
||||
@@ -177,6 +268,13 @@ packages:
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.1.2"
|
||||
process:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: process
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "4.2.4"
|
||||
quiver:
|
||||
dependency: transitive
|
||||
description:
|
||||
@@ -245,6 +343,13 @@ packages:
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.9.0"
|
||||
typed_data:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: typed_data
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.3.1"
|
||||
vector_math:
|
||||
dependency: transitive
|
||||
description:
|
||||
@@ -252,6 +357,27 @@ packages:
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.1.2"
|
||||
win32:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: win32
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.6.1"
|
||||
xdg_directories:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: xdg_directories
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.2.0+1"
|
||||
xml:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: xml
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "6.1.0"
|
||||
sdks:
|
||||
dart: ">=2.17.1 <3.0.0"
|
||||
flutter: ">=2.8.0"
|
||||
flutter: ">=3.0.0"
|
||||
|
||||
+6
-3
@@ -34,9 +34,11 @@ dependencies:
|
||||
# The following adds the Cupertino Icons font to your application.
|
||||
# Use with the CupertinoIcons class for iOS style icons.
|
||||
cupertino_icons: ^1.0.2
|
||||
tflite_flutter: ^0.9.0
|
||||
logger: ^1.1.0
|
||||
camera: ^0.9.7+1
|
||||
image: ^3.2.0
|
||||
logger: ^1.1.0
|
||||
path_provider: ^2.0.11
|
||||
tflite_flutter: ^0.9.0
|
||||
|
||||
dev_dependencies:
|
||||
flutter_test:
|
||||
@@ -61,7 +63,8 @@ flutter:
|
||||
uses-material-design: true
|
||||
|
||||
# To add assets to your application, add an assets section, like this:
|
||||
# assets:
|
||||
assets:
|
||||
- assets/
|
||||
# - images/a_dot_burr.jpeg
|
||||
# - images/a_dot_ham.jpeg
|
||||
|
||||
|
||||
Reference in New Issue
Block a user