Migrate from Coil to Picasso

build.gradle

@@ -122,5 +122,5 @@ dependencies {
   implementation 'io.reactivex.rxjava3:rxjava:3.0.4'
   implementation 'io.reactivex.rxjava3:rxandroid:3.0.0'
   implementation 'com.fasterxml.jackson.core:jackson-core:2.11.0'
-  implementation 'io.coil-kt:coil:0.11.0'
+  implementation 'com.squareup.picasso:picasso:2.71828'
 }

src/main/kotlin/nya/kitsunyan/foxydroid/MainApplication.kt

@@ -10,16 +10,16 @@ import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
 import android.content.pm.PackageInfo
-import coil.Coil
+import com.squareup.picasso.OkHttp3Downloader
-import coil.ImageLoader
+import com.squareup.picasso.Picasso
 import nya.kitsunyan.foxydroid.content.Cache
 import nya.kitsunyan.foxydroid.content.Preferences
 import nya.kitsunyan.foxydroid.content.ProductPreferences
 import nya.kitsunyan.foxydroid.database.Database
 import nya.kitsunyan.foxydroid.entity.InstalledItem
 import nya.kitsunyan.foxydroid.index.RepositoryUpdater
-import nya.kitsunyan.foxydroid.network.CoilDownloader
 import nya.kitsunyan.foxydroid.network.Downloader
+import nya.kitsunyan.foxydroid.network.PicassoDownloader
 import nya.kitsunyan.foxydroid.service.Connection
 import nya.kitsunyan.foxydroid.service.SyncService
 import nya.kitsunyan.foxydroid.utility.Utils
@@ -48,8 +48,8 @@ class MainApplication: Application() {
     listenApplications()
     listenPreferences()
 
-    Coil.setImageLoader(ImageLoader.Builder(this)
+    Picasso.setSingletonInstance(Picasso.Builder(this)
-      .callFactory(CoilDownloader.Factory(Cache.getImagesDir(this))).build())
+      .downloader(OkHttp3Downloader(PicassoDownloader.Factory(Cache.getImagesDir(this)))).build())
 
     if (databaseUpdated) {
       forceSyncAll()

src/main/kotlin/nya/kitsunyan/foxydroid/network/PicassoDownloader.kt

@@ -12,7 +12,7 @@ import okhttp3.HttpUrl.Companion.toHttpUrl
 import java.io.File
 import kotlin.math.*
 
-object CoilDownloader {
+object PicassoDownloader {
   private const val HOST_ICON = "icon"
   private const val HOST_SCREENSHOT = "screenshot"
   private const val QUERY_ADDRESS = "address"

src/main/kotlin/nya/kitsunyan/foxydroid/screen/ProductAdapter.kt

@@ -40,7 +40,6 @@ import androidx.core.content.ContextCompat
 import androidx.core.graphics.ColorUtils
 import androidx.core.text.util.LinkifyCompat
 import androidx.recyclerview.widget.RecyclerView
-import coil.api.*
 import nya.kitsunyan.foxydroid.R
 import nya.kitsunyan.foxydroid.content.Preferences
 import nya.kitsunyan.foxydroid.content.ProductPreferences
@@ -50,7 +49,7 @@ import nya.kitsunyan.foxydroid.entity.ProductPreference
 import nya.kitsunyan.foxydroid.entity.Release
 import nya.kitsunyan.foxydroid.entity.Repository
 import nya.kitsunyan.foxydroid.graphics.PaddingDrawable
-import nya.kitsunyan.foxydroid.network.CoilDownloader
+import nya.kitsunyan.foxydroid.network.PicassoDownloader
 import nya.kitsunyan.foxydroid.utility.KParcelable
 import nya.kitsunyan.foxydroid.utility.PackageItemResolver
 import nya.kitsunyan.foxydroid.utility.Utils
@@ -953,7 +952,7 @@ class ProductAdapter(private val callbacks: Callbacks, private val columns: Int)
         item as Item.HeaderItem
         val installedItem = installedItem
         if (item.product.icon.isNotEmpty()) {
-          holder.icon.load(CoilDownloader.createIconUri(holder.icon, item.product.icon, item.repository)) {
+          holder.icon.load(PicassoDownloader.createIconUri(holder.icon, item.product.icon, item.repository)) {
             placeholder(holder.progressIcon)
             error(holder.defaultIcon)
           }
@@ -1122,12 +1121,12 @@ class ProductAdapter(private val callbacks: Callbacks, private val columns: Int)
         val outer = context.resources.sizeScaled(GRID_SPACING_OUTER_DP)
         val inner = context.resources.sizeScaled(GRID_SPACING_INNER_DP)
         val cellSize = (screenWidth - 2 * outer - (columns - 1) * inner) / columns
-        holder.image.load(CoilDownloader.createScreenshotUri(item.repository, item.packageName, item.screenshot)) {
+        holder.image.load(PicassoDownloader.createScreenshotUri(item.repository, item.packageName, item.screenshot)) {
-          size(cellSize)
           placeholder(holder.placeholder)
           error(holder.placeholder)
+          resize(cellSize, cellSize)
+          centerCrop()
         }
-        Unit
       }
       ViewType.RELEASE -> {
         holder as ReleaseViewHolder

src/main/kotlin/nya/kitsunyan/foxydroid/screen/ProductsAdapter.kt

@@ -11,13 +11,11 @@ import android.widget.ImageView
 import android.widget.ProgressBar
 import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
-import coil.api.clear
-import coil.api.load
 import nya.kitsunyan.foxydroid.R
 import nya.kitsunyan.foxydroid.database.Database
 import nya.kitsunyan.foxydroid.entity.ProductItem
 import nya.kitsunyan.foxydroid.entity.Repository
-import nya.kitsunyan.foxydroid.network.CoilDownloader
+import nya.kitsunyan.foxydroid.network.PicassoDownloader
 import nya.kitsunyan.foxydroid.utility.Utils
 import nya.kitsunyan.foxydroid.utility.extension.resources.*
 import nya.kitsunyan.foxydroid.utility.extension.text.*
@@ -127,7 +125,7 @@ class ProductsAdapter(private val onClick: (ProductItem) -> Unit):
         holder.summary.visibility = if (holder.summary.text.isNotEmpty()) View.VISIBLE else View.GONE
         val repository: Repository? = repositories[productItem.repositoryId]
         if (productItem.icon.isNotEmpty() && repository != null) {
-          holder.icon.load(CoilDownloader.createIconUri(holder.icon, productItem.icon, repository)) {
+          holder.icon.load(PicassoDownloader.createIconUri(holder.icon, productItem.icon, repository)) {
             placeholder(holder.progressIcon)
             error(holder.defaultIcon)
           }

src/main/kotlin/nya/kitsunyan/foxydroid/screen/ScreenshotsFragment.kt

@@ -15,7 +15,6 @@ import androidx.fragment.app.FragmentManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager2.widget.MarginPageTransformer
 import androidx.viewpager2.widget.ViewPager2
-import coil.api.*
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.core.Observable
 import io.reactivex.rxjava3.disposables.Disposable
@@ -25,7 +24,7 @@ import nya.kitsunyan.foxydroid.database.Database
 import nya.kitsunyan.foxydroid.entity.Product
 import nya.kitsunyan.foxydroid.entity.Repository
 import nya.kitsunyan.foxydroid.graphics.PaddingDrawable
-import nya.kitsunyan.foxydroid.network.CoilDownloader
+import nya.kitsunyan.foxydroid.network.PicassoDownloader
 import nya.kitsunyan.foxydroid.utility.RxUtils
 import nya.kitsunyan.foxydroid.utility.extension.resources.*
 import nya.kitsunyan.foxydroid.widget.StableRecyclerAdapter
@@ -101,6 +100,9 @@ class ScreenshotsFragment(): DialogFragment() {
     val viewPager = ViewPager2(dialog.context)
     viewPager.adapter = Adapter(packageName) { decorView.performClick() }
     viewPager.setPageTransformer(MarginPageTransformer(resources.sizeScaled(16)))
+    viewPager.viewTreeObserver.addOnGlobalLayoutListener {
+      (viewPager.adapter as Adapter).size = Pair(viewPager.width, viewPager.height)
+    }
     dialog.addContentView(viewPager, ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
       ViewGroup.LayoutParams.MATCH_PARENT))
     this.viewPager = viewPager
@@ -181,6 +183,14 @@ class ScreenshotsFragment(): DialogFragment() {
       notifyDataSetChanged()
     }
 
+    var size = Pair(0, 0)
+      set(value) {
+        if (field != value) {
+          field = value
+          notifyDataSetChanged()
+        }
+      }
+
     fun getCurrentIdentifier(viewPager: ViewPager2): String? {
       val position = viewPager.currentItem
       return screenshots.getOrNull(position)?.identifier
@@ -202,9 +212,16 @@ class ScreenshotsFragment(): DialogFragment() {
     override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
       holder as ViewHolder
       val screenshot = screenshots[position]
-      holder.image.load(CoilDownloader.createScreenshotUri(repository!!, packageName, screenshot)) {
+      val (width, height) = size
-        placeholder(holder.placeholder)
+      if (width > 0 && height > 0) {
-        error(holder.placeholder)
+        holder.image.load(PicassoDownloader.createScreenshotUri(repository!!, packageName, screenshot)) {
+          placeholder(holder.placeholder)
+          error(holder.placeholder)
+          resize(width, height)
+          centerInside()
+        }
+      } else {
+        holder.image.clear()
       }
     }
   }

src/main/kotlin/nya/kitsunyan/foxydroid/utility/extension/Resources.kt

@@ -6,12 +6,16 @@ import android.content.res.ColorStateList
 import android.content.res.Resources
 import android.graphics.Typeface
 import android.graphics.drawable.Drawable
+import android.net.Uri
 import android.util.TypedValue
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.ImageView
 import android.widget.TextView
 import androidx.core.content.ContextCompat
+import com.squareup.picasso.Picasso
+import com.squareup.picasso.RequestCreator
 import kotlin.math.*
 
 object TypefaceExtra {
@@ -51,3 +55,11 @@ fun TextView.setTextSizeScaled(size: Int) {
 fun ViewGroup.inflate(layoutResId: Int): View {
   return LayoutInflater.from(context).inflate(layoutResId, this, false)
 }
+
+fun ImageView.load(uri: Uri, builder: RequestCreator.() -> Unit) {
+  Picasso.get().load(uri).noFade().apply(builder).into(this)
+}
+
+fun ImageView.clear() {
+  Picasso.get().cancelRequest(this)
+}