Page3 update

.gitignore

@@ -40,17 +40,7 @@ captures/
 
 # IntelliJ
 *.iml
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/gradle.xml
-.idea/assetWizardSettings.xml
-.idea/dictionaries
-.idea/libraries
-# Android Studio 3 in .gitignore file.
-.idea/caches
-.idea/modules.xml
-# Comment next line if keeping position of elements in Navigation Editor is relevant for you
-.idea/navEditor.xml
+.idea/
 
 # Keystore files
 # Uncomment the following lines if you do not want to check your keystore files in.

app/build.gradle

@@ -1,16 +1,15 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
-
+apply plugin: 'kotlin-parcelize'
 android {
-    compileSdkVersion 29
-    buildToolsVersion "30.0.1"
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "com.adrena.commerce.paging3"
-        minSdkVersion 17
-        targetSdkVersion 29
+        minSdkVersion 22
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
 
@@ -40,22 +39,20 @@ android {
 }
 
 dependencies {
-    def paging_version = "3.0.0-alpha03"
+    def paging_version = '3.0.0-alpha13'
     def coroutines_version = "1.3.7"
-    def retrofit_version = "2.7.2"
-    def okhttp_logging_version = "4.3.1"
-    def room_version = "2.3.0-alpha02"
+    def retrofit_version = '2.9.0'
+    def okhttp_logging_version = '4.9.0'
+    def room_version = '2.3.0-alpha04'
     def lifecycle_version = "2.2.0"
-    def navigation_version = "2.3.0"
+    def navigation_version = '2.3.3'
 
     implementation fileTree(dir: "libs", include: ["*.jar"])
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-
-    implementation 'androidx.core:core-ktx:1.3.1'
-    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
-    implementation "androidx.constraintlayout:constraintlayout:1.1.3"
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
 
     implementation "androidx.room:room-runtime:$room_version"
     implementation "androidx.room:room-ktx:$room_version"
@@ -72,22 +69,22 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
 
-    implementation "androidx.paging:paging-runtime:$paging_version"
-    implementation "androidx.paging:paging-rxjava2:$paging_version"
+    implementation "androidx.paging:paging-runtime-ktx:$paging_version"
+    implementation "androidx.paging:paging-rxjava2-ktx:$paging_version"
 
     implementation "androidx.room:room-runtime:$room_version"
     implementation "androidx.room:room-ktx:$room_version"
     kapt "androidx.room:room-compiler:$room_version"
 
-    implementation "io.coil-kt:coil:0.11.0"
+    implementation 'io.coil-kt:coil:1.1.1'
 
     implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
     implementation "com.squareup.retrofit2:adapter-rxjava2:$retrofit_version"
     implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
     implementation "com.squareup.okhttp3:logging-interceptor:$okhttp_logging_version"
 
-    testImplementation 'junit:junit:4.13'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    testImplementation 'junit:junit:4.13.1'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 
 }

app/src/main/java/com/adrena/commerce/paging3/Injection.kt → app/src/main/java/com/adrena/commerce/paging3/data/Injection.kt

@@ -19,7 +19,7 @@ import java.util.*
 
 object Injection {
     fun provideLocale(): Locale = Locale.getDefault()
-    fun provideDatabase(context: Context): MovieDatabase = MovieDatabase.getInstance(context)
+    private fun provideDatabase(context: Context): MovieDatabase = MovieDatabase.getInstance(context)
 
     fun provideFlowViewModel(context: Context): ViewModelProvider.Factory {
         val pagingSource =

app/src/main/java/com/adrena/commerce/paging3/data/db/MovieDatabase.kt

@@ -13,7 +13,7 @@ import com.adrena.commerce.paging3.data.model.Movies
 
 @Database(
     entities = [Movies.Movie::class, Movies.MovieRemoteKeys::class],
-    version = 1,
+    version = 2,
     exportSchema = false
 )
 @TypeConverters(Converters::class)

app/src/main/java/com/adrena/commerce/paging3/data/flow/GetMoviesFlowPagingSource.kt

@@ -1,6 +1,7 @@
 package com.adrena.commerce.paging3.data.flow
 
 import androidx.paging.PagingSource
+import androidx.paging.PagingState
 import com.adrena.commerce.paging3.data.TMDBService
 import com.adrena.commerce.paging3.data.model.Movies
 import com.adrena.commerce.paging3.data.model.MoviesMapper
@@ -34,4 +35,33 @@ class GetMoviesFlowPagingSource(
             return LoadResult.Error(e)
         }
     }
+
+    /**
+     * Provide a [Key] used for the initial [load] for the next [PagingSource] due to invalidation
+     * of this [PagingSource]. The [Key] is provided to [load] via [LoadParams.key].
+     *
+     * The [Key] returned by this method should cause [load] to load enough items to
+     * fill the viewport around the last accessed position, allowing the next generation to
+     * transparently animate in. The last accessed position can be retrieved via
+     * [state.anchorPosition][PagingState.anchorPosition], which is typically
+     * the top-most or bottom-most item in the viewport due to access being triggered by binding
+     * items as they scroll into view.
+     *
+     * For example, if items are loaded based on integer position keys, you can return
+     * [state.anchorPosition][PagingState.anchorPosition].
+     *
+     * Alternately, if items contain a key used to load, get the key from the item in the page at
+     * index [state.anchorPosition][PagingState.anchorPosition].
+     *
+     * @param state [PagingState] of the currently fetched data, which includes the most recently
+     * accessed position in the list via [PagingState.anchorPosition].
+     *
+     * @return [Key] passed to [load] after invalidation used for initial load of the next
+     * generation. The [Key] returned by [getRefreshKey] should load pages centered around
+     * user's current viewport. If the correct [Key] cannot be determined, `null` can be returned
+     * to allow [load] decide what default key to use.
+     */
+    override fun getRefreshKey(state: PagingState<Int, Movies.Movie>): Int? {
+        return state.anchorPosition
+    }
 }

app/src/main/java/com/adrena/commerce/paging3/data/flow/GetMoviesFlowRemoteRepositoryImpl.kt

@@ -1,5 +1,6 @@
 package com.adrena.commerce.paging3.data.flow
 
+import androidx.paging.ExperimentalPagingApi
 import androidx.paging.Pager
 import androidx.paging.PagingConfig
 import androidx.paging.PagingData
@@ -11,6 +12,7 @@ class GetMoviesFlowRemoteRepositoryImpl(
     private val database: MovieDatabase,
     private val remoteMediator: GetMoviesFlowRemoteMediator): GetMoviesFlowRepository {
 
+    @OptIn(ExperimentalPagingApi::class)
     override fun getMovies(): Flow<PagingData<Movies.Movie>> {
         return Pager(
             config = PagingConfig(

app/src/main/java/com/adrena/commerce/paging3/data/model/Image.kt

@@ -2,8 +2,8 @@ package com.adrena.commerce.paging3.data.model
 
 import android.net.Uri
 import android.os.Parcelable
-import kotlinx.android.parcel.IgnoredOnParcel
-import kotlinx.android.parcel.Parcelize
+import kotlinx.parcelize.IgnoredOnParcel
+import kotlinx.parcelize.Parcelize
 
 @Parcelize
 data class Image(val url: String): Parcelable {

app/src/main/java/com/adrena/commerce/paging3/data/model/Movies.kt

@@ -3,8 +3,8 @@ package com.adrena.commerce.paging3.data.model
 import android.os.Parcelable
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import kotlinx.android.parcel.IgnoredOnParcel
-import kotlinx.android.parcel.Parcelize
+import kotlinx.parcelize.IgnoredOnParcel
+import kotlinx.parcelize.Parcelize
 import java.util.*
 
 @Parcelize

app/src/main/java/com/adrena/commerce/paging3/data/rx/GetMoviesRxPagingSource.kt

@@ -1,5 +1,6 @@
 package com.adrena.commerce.paging3.data.rx
 
+import androidx.paging.PagingState
 import androidx.paging.rxjava2.RxPagingSource
 import com.adrena.commerce.paging3.data.TMDBService
 import com.adrena.commerce.paging3.data.model.Movies
@@ -32,4 +33,33 @@ class GetMoviesRxPagingSource(
             nextKey = if (position == data.total) null else position + 1
         )
     }
+
+    /**
+     * Provide a [Key] used for the initial [load] for the next [PagingSource] due to invalidation
+     * of this [PagingSource]. The [Key] is provided to [load] via [LoadParams.key].
+     *
+     * The [Key] returned by this method should cause [load] to load enough items to
+     * fill the viewport around the last accessed position, allowing the next generation to
+     * transparently animate in. The last accessed position can be retrieved via
+     * [state.anchorPosition][PagingState.anchorPosition], which is typically
+     * the top-most or bottom-most item in the viewport due to access being triggered by binding
+     * items as they scroll into view.
+     *
+     * For example, if items are loaded based on integer position keys, you can return
+     * [state.anchorPosition][PagingState.anchorPosition].
+     *
+     * Alternately, if items contain a key used to load, get the key from the item in the page at
+     * index [state.anchorPosition][PagingState.anchorPosition].
+     *
+     * @param state [PagingState] of the currently fetched data, which includes the most recently
+     * accessed position in the list via [PagingState.anchorPosition].
+     *
+     * @return [Key] passed to [load] after invalidation used for initial load of the next
+     * generation. The [Key] returned by [getRefreshKey] should load pages centered around
+     * user's current viewport. If the correct [Key] cannot be determined, `null` can be returned
+     * to allow [load] decide what default key to use.
+     */
+    override fun getRefreshKey(state: PagingState<Int, Movies.Movie>): Int? {
+        return state.anchorPosition
+    }
 }

app/src/main/java/com/adrena/commerce/paging3/data/rx/GetMoviesRxRemoteRepositoryImpl.kt

@@ -1,5 +1,6 @@
 package com.adrena.commerce.paging3.data.rx
 
+import androidx.paging.ExperimentalPagingApi
 import androidx.paging.Pager
 import androidx.paging.PagingConfig
 import androidx.paging.PagingData
@@ -13,6 +14,7 @@ class GetMoviesRxRemoteRepositoryImpl(
     private val remoteMediator: GetMoviesRxRemoteMediator
 ): GetMoviesRxRepository {
 
+    @OptIn(ExperimentalPagingApi::class)
     override fun getMovies(): Flowable<PagingData<Movies.Movie>> {
         return Pager(
             config = PagingConfig(

app/src/main/java/com/adrena/commerce/paging3/data/rx/GetMoviesRxRepository.kt

@@ -1,6 +1,5 @@
 package com.adrena.commerce.paging3.data.rx
 
-import androidx.paging.Pager
 import androidx.paging.PagingData
 import com.adrena.commerce.paging3.data.model.Movies
 import io.reactivex.Flowable

app/src/main/java/com/adrena/commerce/paging3/view/MovieFlowFragment.kt

@@ -2,7 +2,6 @@ package com.adrena.commerce.paging3.view
 
 import android.app.AlertDialog
 import android.os.Bundle
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup

app/src/main/java/com/adrena/commerce/paging3/view/MovieFlowRemoteFragment.kt

@@ -2,7 +2,6 @@ package com.adrena.commerce.paging3.view
 
 import android.app.AlertDialog
 import android.os.Bundle
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup

app/src/main/java/com/adrena/commerce/paging3/view/viewholder/MovieGridViewHolder.kt

@@ -3,7 +3,7 @@ package com.adrena.commerce.paging3.view.viewholder
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
-import coil.api.load
+import coil.load
 import com.adrena.commerce.paging3.R
 import com.adrena.commerce.paging3.data.model.Movies
 import com.adrena.commerce.paging3.databinding.MovieGridItemBinding

app/src/main/java/com/adrena/commerce/paging3/view/viewholder/MovieViewHolder.kt

@@ -3,7 +3,7 @@ package com.adrena.commerce.paging3.view.viewholder
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
-import coil.api.load
+import coil.load
 import com.adrena.commerce.paging3.R
 import com.adrena.commerce.paging3.data.model.Movies
 import com.adrena.commerce.paging3.databinding.MovieItemBinding

build.gradle

@@ -1,12 +1,12 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = "1.3.72"
+    ext.kotlin_version = '1.4.21'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.0.1"
+        classpath 'com.android.tools.build:gradle:4.2.0-beta04'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+distributionUrl=https://services.gradle.org/distributions/gradle-6.7.1-all.zip