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Add GIF support to Coil ImageLoader #7285

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Add GIF support to Coil ImageLoader #7285

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1 change: 1 addition & 0 deletions collect_app/build.gradle
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Expand Up @@ -350,6 +350,7 @@ dependencies {
implementation(libs.androidXComposeMaterialIcons)
implementation(libs.androidXComposePreview)
implementation(libs.coil)
implementation(libs.coil.gif)

testImplementation project(':forms-test')

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20 changes: 20 additions & 0 deletions ...rc/main/java/org/odk/collect/android/application/initialization/ApplicationInitializer.kt
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@@ -1,8 +1,13 @@
package org.odk.collect.android.application.initialization

import android.app.Application
import android.os.Build
import androidx.appcompat.app.AppCompatDelegate
import androidx.startup.AppInitializer
import coil3.ImageLoader
import coil3.SingletonImageLoader
import coil3.gif.AnimatedImageDecoder
import coil3.gif.GifDecoder
import net.danlew.android.joda.JodaTimeInitializer
import org.odk.collect.analytics.Analytics
import org.odk.collect.android.BuildConfig
Expand Down Expand Up @@ -63,6 +68,21 @@ class ApplicationInitializer(
initializeLogging()
AppInitializer.getInstance(context).initializeComponent(JodaTimeInitializer::class.java)
AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
initializeImageLoader()
}

private fun initializeImageLoader() {

@seadowg seadowg Jun 29, 2026

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Could we add a specific initializer class (CoilInitializer) for this and run it in runInitializer`. Even if we construct it on-demand, it's sill nice to have the logic container in a separate file.

SingletonImageLoader.setSafe { context ->
ImageLoader.Builder(context)
.components {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {

@seadowg seadowg Jun 29, 2026

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Just a note for testers: there's different implementations for Android 9 and above, so we should check Android 8.

add(AnimatedImageDecoder.Factory())
} else {
add(GifDecoder.Factory())
}
}
.build()
}
}

private fun initializeLocale() {
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1 change: 1 addition & 0 deletions gradle/libs.versions.toml
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Expand Up @@ -101,6 +101,7 @@ jsoup = { group = "org.jsoup", name = "jsoup", version = "1.22.1" }
mlkit-barcodescanning = { group = "com.google.android.gms", name = "play-services-mlkit-barcode-scanning", version = "18.3.1" }
runtime-livedata = { group = "androidx.compose.runtime", name = "runtime-livedata" }
coil = { group = "io.coil-kt.coil3", name = "coil-compose", version = "3.4.0" }
coil-gif = { group = "io.coil-kt.coil3", name = "coil-gif", version = "3.4.0" }

# Test dependencies
junit = { group = "junit", name = "junit", version = "4.13.2" }
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