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Clean Architecture in Android const val presenter = "sunghyunzz"

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• 2015֙ 12ਘ ୹द

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• 2015֙ 12ਘ ୹द • ف ߣ੄ ؀ӏݽ সؘ੉౟

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• 2015֙ 12ਘ ୹द • ف ߣ੄ ؀ӏݽ সؘ੉౟ • Ր੐হח ࢎਊ੗ ੋఠ࠭ܳ ాೠ ѐࢶ

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• 2015֙ 12ਘ ୹द • ف ߣ੄ ؀ӏݽ সؘ੉౟ • Ր੐হח ࢎਊ੗ ੋఠ࠭ܳ ాೠ ѐࢶ • ҅ࣘ ѐࢶغҊ ߸ചೞח ઁಿ

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• 2015֙ 12ਘ ୹द • ف ߣ੄ ؀ӏݽ সؘ੉౟ • Ր੐হח ࢎਊ੗ ੋఠ࠭ܳ ాೠ ѐࢶ • ҅ࣘ ѐࢶغҊ ߸ചೞח ઁಿ • ௏٘о ҅ࣘ ߄Ո׮

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“߸ച ৻ী ৔ਗೠ Ѫ਷ হ׮.” - Heraclitus

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“ೖೡ ࣻ হਵݶ ૌѹۄ.” - ־ҵо

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import kotlinx.android.synthetic.main.activity_transactions_temp.*

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߸ചী ੜ ؀਽ೡ ࣻ ੓ח ௏٘ח যڃ ݽणੌө?

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߸ചী ੜ ؀਽ೡ ࣻ ੓׮. = ߸ചী ٮܲ ௏٘੄ ߸҃੉ ੸׮.

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߸ചী ੜ ؀਽ೡ ࣻ ੓׮. = ߸ചী ٮܲ ௏٘੄ ߸҃੉ ੸׮.

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߸ചী ੜ ؀਽ೡ ࣻ ੓׮. = ߸ചী ٮܲ ௏٘੄ ߸҃੉ ੸׮. = ௏٘о ੜ ܻ࠙غয੓׮.

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߸ചী ੜ ؀਽ೡ ࣻ ੓׮. = ߸ചী ٮܲ ௏٘੄ ߸҃੉ ੸׮. = ௏٘о ੜ ܻ࠙غয੓׮. = ௏٘о ࠄ૕ী ݏѱ ࢸ҅غয੓׮.

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ࠄ૕ = { بݫੋ੄ ࠄ૕, ѐߊ ҳઑ ࢚੄ ࠄ૕, উ٘۽੉٘ ೒ۖಬ੄ ࠄ૕, ... }

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ࠄ૕ = { بݫੋ੄ ࠄ૕, ѐߊ ҳઑ ࢚੄ ࠄ૕, উ٘۽੉٘ ೒ۖಬ੄ ࠄ૕, ... }

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ࠄ૕ = { بݫੋ੄ ࠄ૕, ѐߊ ҳઑ ࢚੄ ࠄ૕, উ٘۽੉٘ ೒ۖಬ੄ ࠄ૕, ... }

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ࠄ૕ = { بݫੋ੄ ࠄ૕, ѐߊ ҳઑ ࢚੄ ࠄ૕, উ٘۽੉٘ ҳઑ ࢚੄ ࠄ૕, ... }

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ࠄ૕ = { بݫੋ੄ ࠄ૕, ѐߊ ҳઑ ࢚੄ ࠄ૕, উ٘۽੉٘ ҳઑ ࢚੄ ࠄ૕, ... }

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https://8thlight.com/blog/uncle-bob/2012/08/13/the-clean-architecture.html

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1. Independent of Frameworks

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1. Independent of Frameworks 2. Testable

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1. Independent of Frameworks 2. Testable 3. Independent of UI

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1. Independent of Frameworks 2. Testable 3. Independent of UI 4. Independent of Database

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1. Independent of Frameworks 2. Testable 3. Independent of UI 4. Independent of Database 5. Independent of External Configuration

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https://fernandocejas.com/2014/09/03/architecting-android-the-clean-way

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4 Layers

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Presentation

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Presentation Data

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Presentation Data Domain

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Presentation Data Domain Entity

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Presentation Data Domain Entity

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Entity • ࣽࣻೠ Java(Kotlin) ݽٕ

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Entity • ࣽࣻೠ Java(Kotlin) ݽٕ • Android৬੄ ੄ઓࢿ੉ হ਺

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Entity • ࣽࣻೠ Java(Kotlin) ݽٕ • Android৬੄ ੄ઓࢿ੉ হ਺ • بݫੋ(࠺ૉפझ ۽૒)ীࢲ ౵ࢤغח ѐ֛ਸ ಴അ

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Entity • ࣽࣻೠ Java(Kotlin) ݽٕ • Android৬੄ ੄ઓࢿ੉ হ਺ • بݫੋ(࠺ૉפझ ۽૒)ীࢲ ౵ࢤغח ѐ֛ਸ ಴അ • (э਷ ࢲ࠺झ) Android - iOS - ࢲߡ ݽف زੌೠ ഋక

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class TransactionCategory(
 val id: String,
 val name: String,
 val transactionType: TransactionType,
 val priority: Int ) : Entity

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Domain • ࣽࣻೠ Java(Kotlin) ݽٕ

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Domain • ࣽࣻೠ Java(Kotlin) ݽٕ • Use Case

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Domain • ࣽࣻೠ Java(Kotlin) ݽٕ • Use Case • Repository Interface ੿੄

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class GetBanks(val repository: BanksRepository) : UseCase>() {
 override fun buildUseCaseObservable(): Observable> {
 return repository.getAll()
 }
 }

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class GetBanks(val repository: BanksRepository) : UseCase>() {
 override fun buildUseCaseObservable(): Observable> {
 return repository.getAll()
 }
 }

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class GetBanks(val repository: BanksRepository) : UseCase>() {
 override fun buildUseCaseObservable(): Observable> {
 return repository.getAll()
 }
 }

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interface BanksRepository : Repository {
 fun getAll(): Observable>
 fun update(bank: Bank): Completable
 }

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interface BanksRepository : Repository {
 fun getAll(): Observable>
 fun update(bank: Bank): Completable
 }

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interface BanksRepository : Repository {
 fun getAll(): Observable>
 fun update(bank: Bank): Completable
 }

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Data • Repository੄ पઁ ҳഅ

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Data • Repository੄ पઁ ҳഅ • Data Source ੄ઓࢿ

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Data • Repository੄ पઁ ҳഅ • Data Source ੄ઓࢿ • Android ੄ઓࢿ

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override fun getAll(): Observable> {
 return Observable.fromCallable {
 with(Realm.getDefaultInstance()) {
 use {
 where(BankModel::class.java).findAll().map { 
 BankEntityMapper.fromRealmObject(it) 
 }
 } 
 }
 }
 }

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override fun getAll(): Observable> {
 return Observable.fromCallable {
 with(Realm.getDefaultInstance()) {
 use {
 where(BankModel::class.java).findAll().map { 
 BankEntityMapper.fromRealmObject(it) 
 }
 } 
 }
 }
 }

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override fun getAll(): Observable> {
 return Observable.fromCallable {
 with(Realm.getDefaultInstance()) {
 use {
 where(BankModel::class.java).findAll().map { 
 BankEntityMapper.fromRealmObject(it) 
 }
 } 
 }
 }
 }

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open class Bank : RealmObject() {
 @PrimaryKey open lateinit var id: String
 open lateinit var name: String
 open lateinit var imageUrl: String
 }

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override fun getAll(): Observable> {
 return Observable.fromCallable {
 with(Realm.getDefaultInstance()) {
 use {
 where(BankModel::class.java).findAll().map { 
 BankEntityMapper.fromRealmObject(it)
 }
 } 
 }
 }
 }

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object BankEntityMapper : EntityMapper {
 override fun fromRealmObject(obj: BankModel): Bank {
 return Bank(
 obj.id,
 obj.name,
 obj.imageUrl
 )
 }
 
 override fun toRealmObject(entity: Bank): BankModel {
 return BankModel().apply {
 id = entity.id
 name = entity.name
 imageUrl = entity.imageUrl
 }
 }
 }

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object BankEntityMapper : EntityMapper {
 override fun fromRealmObject(obj: BankModel): Bank {
 return Bank(
 obj.id,
 obj.name,
 obj.imageUrl
 )
 }
 
 override fun toRealmObject(entity: Bank): BankModel {
 return BankModel().apply {
 id = entity.id
 name = entity.name
 imageUrl = entity.imageUrl
 }
 }
 }

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class BanksNetworkRepository(private val context: Context) : BanksRepository {
 override fun getAll(): Observable> {
 return context.retrofit.banksApi.getSupportedBanks()
 .map(GetSupportedBanksResponse::banks)
 .map { it.map { BankEntityMapper.fromNetworkResponseModel(it) } }
 }
 }

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data class Bank(
 @SerializedName("id") var id: String? = null,
 @SerializedName("name") var name: String? = null,
 @SerializedName("image_url") var imageUrl: String? = null
 ) : Response

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Presentation • UI ۨ߰੄ ୊ܻ

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Presentation • UI ۨ߰੄ ୊ܻ • Android ੄ઓࢿ

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Presentation • UI ۨ߰੄ ୊ܻ • Android ੄ઓࢿ • View৬ Presenter

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class OrganizationFragment : BaseFragment(), OrganizationView {
 override val presenter: OrganizationPresenter by lazy {
 OrganizationPresenter(this, act)
 }
 
 override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, saved: Bundle?): View? {
 return inflater!!.inflate(R.layout.fragment_signup_organization, container, false)
 }
 
 override fun onViewCreated(view: View?, saved: Bundle?) {
 super.onViewCreated(view, saved)
 presenter.onViewCreated()
 nextBtn.onClick { presenter.onNextButtonClicked() }
 }
 }

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class OrganizationFragment : BaseFragment(), OrganizationView {
 override val presenter: OrganizationPresenter by lazy {
 OrganizationPresenter(this, act)
 }
 
 override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, saved: Bundle?): View? {
 return inflater!!.inflate(R.layout.fragment_signup_organization, container, false)
 }
 
 override fun onViewCreated(view: View?, saved: Bundle?) {
 super.onViewCreated(view, saved)
 presenter.onViewCreated()
 nextBtn.onClick { presenter.onNextButtonClicked() }
 }
 }

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class OrganizationFragment : BaseFragment(), OrganizationView {
 override val presenter: OrganizationPresenter by lazy {
 OrganizationPresenter(this, act)
 }
 
 override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, saved: Bundle?): View? {
 return inflater!!.inflate(R.layout.fragment_signup_organization, container, false)
 }
 
 override fun onViewCreated(view: View?, saved: Bundle?) {
 super.onViewCreated(view, saved)
 presenter.onViewCreated()
 nextBtn.onClick { presenter.onNextButtonClicked() }
 }
 }

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class OrganizationFragment : BaseFragment(), OrganizationView {
 override val presenter: OrganizationPresenter by lazy {
 OrganizationPresenter(this, act)
 }
 
 override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, saved: Bundle?): View? {
 return inflater!!.inflate(R.layout.fragment_signup_organization, container, false)
 }
 
 override fun onViewCreated(view: View?, saved: Bundle?) {
 super.onViewCreated(view, saved)
 presenter.onViewCreated()
 nextBtn.onClick { presenter.onNextButtonClicked() }
 }
 }

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class OrganizationFragment : BaseFragment(), OrganizationView {
 override val presenter: OrganizationPresenter by lazy {
 OrganizationPresenter(this, act)
 }
 
 override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, saved: Bundle?): View? {
 return inflater!!.inflate(R.layout.fragment_signup_organization, container, false)
 }
 
 override fun onViewCreated(view: View?, saved: Bundle?) {
 super.onViewCreated(view, saved)
 presenter.onViewCreated()
 nextBtn.onClick { presenter.onNextButtonClicked() }
 }
 }

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class OrganizationPresenter(
 view: OrganizationView,
 context: Context,
 private val getBanks: GetBanks = GetBanks(BanksNetworkRepository(context))
 ) : Presenter(view) { override fun onDestroy() {
 getBanks.unsubscribe()
 } 
 fun onViewCreated() {
 getBanks.execute(object : DefaultSubscriber>() {
 override fun onNext(t: List) {
 view.showBanks(t)
 }
 })
 }
 
 fun onNextButtonClicked() {
 with(view.getSelectedOrganizations()) {
 if (isNotEmpty()) {
 view.moveToAddCertificatePage(this)
 }
 }
 }
 }

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class OrganizationPresenter(
 view: OrganizationView,
 context: Context,
 private val getBanks: GetBanks = GetBanks(BanksNetworkRepository(context))
 ) : Presenter(view) { override fun onDestroy() {
 getBanks.unsubscribe()
 } 
 fun onViewCreated() {
 getBanks.execute(object : DefaultSubscriber>() {
 override fun onNext(t: List) {
 view.showBanks(t)
 }
 })
 }
 
 fun onNextButtonClicked() {
 with(view.getSelectedOrganizations()) {
 if (isNotEmpty()) {
 view.moveToAddCertificatePage(this)
 }
 }
 }
 }

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class OrganizationPresenter(
 view: OrganizationView,
 context: Context,
 private val getBanks: GetBanks = GetBanks(BanksNetworkRepository(context))
 ) : Presenter(view) { override fun onDestroy() {
 getBanks.unsubscribe()
 } 
 fun onViewCreated() {
 getBanks.execute(object : DefaultSubscriber>() {
 override fun onNext(t: List) {
 view.showBanks(t)
 }
 })
 }
 
 fun onNextButtonClicked() {
 with(view.getSelectedOrganizations()) {
 if (isNotEmpty()) {
 view.moveToAddCertificatePage(this)
 }
 }
 }
 }

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class OrganizationPresenter(
 view: OrganizationView,
 context: Context,
 private val getBanks: GetBanks = GetBanks(BanksNetworkRepository(context))
 ) : Presenter(view) { override fun onDestroy() {
 getBanks.unsubscribe()
 } 
 fun onViewCreated() {
 getBanks.execute(object : DefaultSubscriber>() {
 override fun onNext(t: List) {
 view.showBanks(t)
 }
 })
 }
 
 fun onNextButtonClicked() {
 with(view.getSelectedOrganizations()) {
 if (isNotEmpty()) {
 view.moveToAddCertificatePage(this)
 }
 }
 }
 }

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class OrganizationPresenter(
 view: OrganizationView,
 context: Context,
 private val getBanks: GetBanks = GetBanks(BanksNetworkRepository(context))
 ) : Presenter(view) { override fun onDestroy() {
 getBanks.unsubscribe()
 } 
 fun onViewCreated() {
 getBanks.execute(object : DefaultSubscriber>() {
 override fun onNext(t: List) {
 view.showBanks(t)
 }
 })
 }
 
 fun onNextButtonClicked() {
 with(view.getSelectedOrganizations()) {
 if (isNotEmpty()) {
 view.moveToAddCertificatePage(this)
 }
 }
 }
 }

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data class Amount(
 var amount: Long,
 var currency: Currency
 ) : Parcelable {
 
 companion object {
 @JvmField val CREATOR: Parcelable.Creator = object : Parcelable.Creator {
 override fun createFromParcel(source: Parcel): Amount = Amount(source)
 override fun newArray(size: Int): Array = arrayOfNulls(size)
 }
 }
 
 constructor(valueObject: AmountValueObject) : this(
 valueObject.amount,
 Currency.from(valueObject.currency)
 )
 
 constructor(source: Parcel) : this(
 source.readLong(),
 Currency.from(source.readString())
 )
 
 override fun describeContents() = 0
 
 override fun writeToParcel(dest: Parcel?, flags: Int) {
 dest?.writeLong(amount)
 dest?.writeString(currency.code)
 }
 }

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ۨ੉פझ౟ীࢲח • જ਷ ௏٘੄ ҳઑо જ਷ ઁಿਵ۽ ੉য૓׮Ҋ ޺ӝী ੉۞ೠ ইఃఫ୊ܳ ੸ਊೞ৓णפ׮.

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ۨ੉פझ౟ীࢲח • જ਷ ௏٘੄ ҳઑо જ਷ ઁಿਵ۽ ੉য૓׮Ҋ ޺ӝী ੉۞ೠ ইఃఫ୊ܳ ੸ਊೞ৓णפ׮. • ইఃఫ୊ بੑ੄ ૓ੑ ੢߷ࠁ׮ ߸ചী ੸਽ೡ ࣻ ੓਺ীࢲ য়ח ਬোೣ੉ ؊ ч૑׮Ҋ ࢤпೞৈ ੉۞ೠ ইఃఫ୊ܳ ੸ਊ ೞ৓णפ׮.

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ߛ௼࢟۞٘ܳ ݅٘ח ۨ੉פझ౟ীࢲ ੷൞ ৬ ೣԋೡ উ٘۽੉٘ ূ૑פয ٜ࠙ਸ ଺ Ҋ ੓णפ׮. Kotlin, RxJava, Retrofit, Glide, Realm

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Questions github: sunghyunzz email: [email protected]