Migrate from Picasso to Coil

app/build.gradle.kts

@@ -143,7 +143,8 @@ dependencies {
 
     implementation(libs.jackson.module.kotlin)
     implementation(libs.okhttp)
-    implementation(libs.picasso)
+
+    implementation(libs.bundles.coil)
 
     "fullImplementation"(libs.play.services.location)
     "fullImplementation"(libs.play.services.home)

app/src/main/java/io/homeassistant/companion/android/HomeAssistantApplication.kt

@@ -13,6 +13,10 @@ import android.os.Build
 import android.os.PowerManager
 import android.telephony.TelephonyManager
 import androidx.core.content.ContextCompat
+import coil3.ImageLoader
+import coil3.PlatformContext
+import coil3.SingletonImageLoader
+import coil3.network.okhttp.OkHttpNetworkFetcherFactory
 import dagger.hilt.android.HiltAndroidApp
 import io.homeassistant.companion.android.common.data.keychain.KeyChainRepository
 import io.homeassistant.companion.android.common.data.prefs.PrefsRepository
@@ -35,9 +39,10 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
+import okhttp3.OkHttpClient
 
 @HiltAndroidApp
-open class HomeAssistantApplication : Application() {
+open class HomeAssistantApplication : Application(), SingletonImageLoader.Factory {
 
     private val ioScope: CoroutineScope = CoroutineScope(Dispatchers.IO + Job())
 
@@ -48,6 +53,9 @@ open class HomeAssistantApplication : Application() {
     @Named("keyChainRepository")
     lateinit var keyChainRepository: KeyChainRepository
 
+    @Inject
+    lateinit var okHttpClient: OkHttpClient
+
     @Inject
     lateinit var languagesManager: LanguagesManager
 
@@ -302,4 +310,15 @@ open class HomeAssistantApplication : Application() {
             ContextCompat.registerReceiver(this, templateWidget, screenIntentFilter, ContextCompat.RECEIVER_NOT_EXPORTED)
         }
     }
+
+    override fun newImageLoader(context: PlatformContext): ImageLoader =
+        ImageLoader.Builder(context)
+            .components {
+                add(
+                    OkHttpNetworkFetcherFactory(
+                        callFactory = okHttpClient
+                    )
+                )
+            }
+            .build()
 }

app/src/main/java/io/homeassistant/companion/android/widgets/camera/CameraWidget.kt

@@ -14,21 +14,27 @@ import android.util.Log
 import android.view.View
 import android.widget.RemoteViews
 import androidx.core.os.BundleCompat
-import com.squareup.picasso.Picasso
+import coil3.imageLoader
+import coil3.request.CachePolicy
+import coil3.request.ImageRequest
+import coil3.size.Dimension
+import coil3.size.Precision
+import coil3.size.Size
 import dagger.hilt.android.AndroidEntryPoint
-import io.homeassistant.companion.android.BuildConfig
 import io.homeassistant.companion.android.R
 import io.homeassistant.companion.android.common.data.servers.ServerManager
 import io.homeassistant.companion.android.database.widget.CameraWidgetDao
 import io.homeassistant.companion.android.database.widget.CameraWidgetEntity
 import io.homeassistant.companion.android.database.widget.WidgetTapAction
 import io.homeassistant.companion.android.util.hasActiveConnection
 import io.homeassistant.companion.android.webview.WebViewActivity
+import io.homeassistant.companion.android.widgets.common.RemoteViewsTarget
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
+import okhttp3.OkHttpClient
 
 @AndroidEntryPoint
 class CameraWidget : AppWidgetProvider() {
@@ -52,6 +58,9 @@ class CameraWidget : AppWidgetProvider() {
     @Inject
     lateinit var cameraWidgetDao: CameraWidgetDao
 
+    @Inject
+    lateinit var okHttpClient: OkHttpClient
+
     private val mainScope: CoroutineScope = CoroutineScope(Dispatchers.Main + Job())
 
     override fun onUpdate(
@@ -80,7 +89,7 @@ class CameraWidget : AppWidgetProvider() {
         }
         mainScope.launch {
             val views = getWidgetRemoteViews(context, appWidgetId)
-            appWidgetManager.updateAppWidget(appWidgetId, views)
+            views?.let { appWidgetManager.updateAppWidget(appWidgetId, it) }
         }
     }
 
@@ -108,27 +117,30 @@ class CameraWidget : AppWidgetProvider() {
         }
     }
 
-    private suspend fun getWidgetRemoteViews(context: Context, appWidgetId: Int): RemoteViews {
+    private suspend fun getWidgetRemoteViews(context: Context, appWidgetId: Int): RemoteViews? {
         val updateCameraIntent = Intent(context, CameraWidget::class.java).apply {
             action = UPDATE_IMAGE
             putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId)
         }
 
-        return RemoteViews(context.packageName, R.layout.widget_camera).apply {
-            val widget = cameraWidgetDao.get(appWidgetId)
-            if (widget != null) {
-                var entityPictureUrl: String?
-                try {
-                    entityPictureUrl = retrieveCameraImageUrl(widget.serverId, widget.entityId)
-                    setViewVisibility(R.id.widgetCameraError, View.GONE)
-                } catch (e: Exception) {
-                    Log.e(TAG, "Failed to fetch entity or entity does not exist", e)
-                    setViewVisibility(R.id.widgetCameraError, View.VISIBLE)
-                    entityPictureUrl = null
-                }
+        val widget = cameraWidgetDao.get(appWidgetId)
+        var widgetCameraError = false
+        var url: String? = null
+        if (widget != null) {
+            try {
+                val entityPictureUrl = retrieveCameraImageUrl(widget.serverId, widget.entityId)
                 val baseUrl = serverManager.getServer(widget.serverId)?.connection?.getUrl().toString().removeSuffix("/")
-                val url = "$baseUrl$entityPictureUrl"
-                if (entityPictureUrl == null) {
+                url = "$baseUrl$entityPictureUrl"
+            } catch (e: Exception) {
+                Log.e(TAG, "Failed to fetch entity or entity does not exist", e)
+                widgetCameraError = true
+            }
+        }
+
+        val views = RemoteViews(context.packageName, R.layout.widget_camera).apply {
+            if (widget != null) {
+                setViewVisibility(R.id.widgetCameraError, if (widgetCameraError) View.VISIBLE else View.GONE)
+                if (url == null) {
                     setImageViewResource(
                         R.id.widgetCameraImage,
                         R.drawable.app_icon_round
@@ -152,21 +164,20 @@ class CameraWidget : AppWidgetProvider() {
                     )
                     Log.d(TAG, "Fetching camera image")
                     Handler(Looper.getMainLooper()).post {
-                        val picasso = Picasso.get()
-                        if (BuildConfig.DEBUG) {
-                            picasso.isLoggingEnabled = true
-                        }
                         try {
-                            picasso.invalidate(url)
-                            picasso.load(url).resize(getScreenWidth(), 0).onlyScaleDown().into(
-                                this,
-                                R.id.widgetCameraImage,
-                                intArrayOf(appWidgetId)
-                            )
+                            val request = ImageRequest.Builder(context)
+                                .data(url)
+                                .target(RemoteViewsTarget(context, appWidgetId, this, R.id.widgetCameraImage))
+                                .diskCachePolicy(CachePolicy.DISABLED)
+                                .memoryCachePolicy(CachePolicy.DISABLED)
+                                .networkCachePolicy(CachePolicy.READ_ONLY)
+                                .size(Size(getScreenWidth(), Dimension.Undefined))
+                                .precision(Precision.INEXACT)
+                                .build()
+                            context.imageLoader.enqueue(request)
                         } catch (e: Exception) {
                             Log.e(TAG, "Unable to fetch image", e)
                         }
-                        Log.d(TAG, "Fetch and load complete")
                     }
                 }
 
@@ -189,6 +200,8 @@ class CameraWidget : AppWidgetProvider() {
                 setOnClickPendingIntent(R.id.widgetCameraPlaceholder, tapWidgetPendingIntent)
             }
         }
+        // If there is an url, Coil will call appWidgetManager.updateAppWidget
+        return if (url == null) views else null
     }
 
     private suspend fun retrieveCameraImageUrl(serverId: Int, entityId: String): String? {

app/src/main/java/io/homeassistant/companion/android/widgets/common/RemoteViewsTarget.kt

@@ -0,0 +1,35 @@
+package io.homeassistant.companion.android.widgets.common
+
+import android.appwidget.AppWidgetManager
+import android.content.Context
+import android.widget.RemoteViews
+import androidx.annotation.IdRes
+import coil3.Image
+import coil3.target.Target
+import coil3.toBitmap
+
+/**
+ * Load images into RemoteViews with Coil
+ * (based on https://coil-kt.github.io/coil/recipes/#remote-views)
+ */
+class RemoteViewsTarget(
+    private val context: Context,
+    private val appWidgetId: Int,
+    private val remoteViews: RemoteViews,
+    @IdRes private val imageViewResId: Int
+) : Target {
+
+    override fun onStart(placeholder: Image?) {
+        // Skip if null to avoid blinking (there is no placeholder)
+        placeholder?.let { setDrawable(it) }
+    }
+
+    override fun onError(error: Image?) = setDrawable(error)
+
+    override fun onSuccess(result: Image) = setDrawable(result)
+
+    private fun setDrawable(image: Image?) {
+        remoteViews.setImageViewBitmap(imageViewResId, image?.toBitmap())
+        AppWidgetManager.getInstance(context).updateAppWidget(appWidgetId, remoteViews)
+    }
+}

app/src/main/java/io/homeassistant/companion/android/widgets/mediaplayer/MediaPlayerControlsWidget.kt

@@ -14,12 +14,12 @@ import android.view.View
 import android.widget.RemoteViews
 import android.widget.Toast
 import androidx.core.os.BundleCompat
+import coil3.imageLoader
+import coil3.request.ImageRequest
 import com.google.android.material.color.DynamicColors
 import com.mikepenz.iconics.IconicsDrawable
 import com.mikepenz.iconics.typeface.library.community.material.CommunityMaterial
-import com.squareup.picasso.Picasso
 import dagger.hilt.android.AndroidEntryPoint
-import io.homeassistant.companion.android.BuildConfig
 import io.homeassistant.companion.android.R
 import io.homeassistant.companion.android.common.R as commonR
 import io.homeassistant.companion.android.common.data.integration.Entity
@@ -28,6 +28,7 @@ import io.homeassistant.companion.android.database.widget.MediaPlayerControlsWid
 import io.homeassistant.companion.android.database.widget.WidgetBackgroundType
 import io.homeassistant.companion.android.util.hasActiveConnection
 import io.homeassistant.companion.android.widgets.BaseWidgetProvider
+import io.homeassistant.companion.android.widgets.common.RemoteViewsTarget
 import java.util.LinkedList
 import javax.inject.Inject
 import kotlin.collections.HashMap
@@ -273,20 +274,16 @@ class MediaPlayerControlsWidget : BaseWidgetProvider() {
                     )
                     Log.d(TAG, "Fetching media preview image")
                     Handler(Looper.getMainLooper()).post {
-                        if (BuildConfig.DEBUG) {
-                            Picasso.get().isLoggingEnabled = true
-                            Picasso.get().setIndicatorsEnabled(true)
-                        }
                         try {
-                            Picasso.get().load(url).resize(1024, 1024).into(
-                                this,
-                                R.id.widgetMediaImage,
-                                intArrayOf(appWidgetId)
-                            )
+                            val request = ImageRequest.Builder(context)
+                                .data(url)
+                                .target(RemoteViewsTarget(context, appWidgetId, this, R.id.widgetMediaImage))
+                                .size(1024)
+                                .build()
+                            context.imageLoader.enqueue(request)
                         } catch (e: Exception) {
                             Log.e(TAG, "Unable to load image", e)
                         }
-                        Log.d(TAG, "Fetch and load complete")
                     }
                 }
 

automotive/build.gradle.kts

@@ -172,7 +172,8 @@ dependencies {
 
     implementation(libs.jackson.module.kotlin)
     implementation(libs.okhttp)
-    implementation(libs.picasso)
+
+    implementation(libs.bundles.coil)
 
     "fullImplementation"(libs.play.services.location)
     "fullImplementation"(libs.play.services.home)

gradle/libs.versions.toml

@@ -43,7 +43,7 @@ media3 = "1.5.0"
 navigation-compose = "2.8.5"
 okhttp = "5.0.0-alpha.14"
 paging = "3.3.5"
-picasso = "2.8"
+coil = "3.0.4"
 play-services-threadnetwork = "16.2.1"
 play-services-home = "16.0.0"
 play-services-location = "21.3.0"
@@ -104,6 +104,9 @@ car-core = { module = "androidx.car.app:app", version.ref = "car-versions" }
 car-automotive = { module = "androidx.car.app:app-automotive", version.ref = "car-versions" }
 car-projected = { module = "androidx.car.app:app-projected", version.ref = "car-versions" }
 changeLog = { module = "com.github.AppDevNext:ChangeLog", version.ref = "changeLog" }
+coil-oktthp = { module = "io.coil-kt.coil3:coil-network-okhttp", version.ref = "coil" }
+coil-svg = { module = "io.coil-kt.coil3:coil-svg", version.ref = "coil" }
+coil-views = { module = "io.coil-kt.coil3:coil", version.ref = "coil" }
 community-material-typeface = { module = "com.mikepenz:community-material-typeface", version.ref = "community-material-typeface" }
 compose-bom = { module = "androidx.compose:compose-bom", version.ref = "compose-bom" }
 compose-animation = { module = "androidx.compose.animation:animation" }
@@ -148,7 +151,6 @@ paging-compose = { module = "androidx.paging:paging-compose", version.ref = "pag
 play-services-threadnetwork = { module = "com.google.android.gms:play-services-threadnetwork", version.ref = "play-services-threadnetwork" }
 play-services-home = { module = "com.google.android.gms:play-services-home", version.ref = "play-services-home" }
 play-services-location = { module = "com.google.android.gms:play-services-location", version.ref = "play-services-location" }
-picasso = { module = "com.squareup.picasso:picasso", version.ref = "picasso" }
 play-services-wearable = { module = "com.google.android.gms:play-services-wearable", version.ref = "play-services-wearable" }
 preference-ktx = { module = "androidx.preference:preference-ktx", version.ref = "preference-ktx" }
 recyclerview = { module = "androidx.recyclerview:recyclerview", version.ref = "recyclerview" }
@@ -173,6 +175,7 @@ webkit = { module = "androidx.webkit:webkit", version.ref = "webkit" }
 zxing = { module = "com.journeyapps:zxing-android-embedded", version.ref = "zxing" }
 
 [bundles]
+coil = ["coil-views", "coil-oktthp", "coil-svg"]
 media3 = ["media3-exoplayer", "media3-exoplayer-hls", "media3-ui"]
 paging = ["paging-runtime", "paging-compose"]
 wear-tiles = ["wear-tiles", "wear-protolayout-main", "wear-protolayout-expression", "wear-protolayout-material"]