Subsampling Scale Image View

Add the library as a dependency in your app's build.gradle file.

For standard projects, use com.davemorrissey.labs:subsampling-scale-image-view.

If your project uses AndroidX, you must use the androidx artifact name instead.

// Standard dependency
dependencies {
    implementation 'com.davemorrissey.labs:subsampling-scale-image-view:3.10.0'
}

// AndroidX dependency
dependencies {
    implementation 'com.davemorrissey.labs:subsampling-scale-image-view-androidx:3.10.0'
}

Include the SubsamplingScaleImageView in your layout XML file. Ensure you provide a unique android:id to reference it in your code.

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
        android:id="@+id/imageView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

</LinearLayout>

Use the setImage() method with an ImageSource to load images from various sources.

Supported sources:

• Resources (R.drawable)
• Assets
• File system URIs
• Bitmaps (Note: Loading a Bitmap directly bypasses subsampling and may cause OutOfMemoryError for large images).

Note: When using tiling (the default for large images), the view loads a low-resolution base layer and overlays high-resolution tiles as the user zooms in to prevent memory issues.