Shimmer

A live wallpaper for Android that displays your photos with smooth GPU-based effects.

Features

- Load images from local folders on your device - Automatic slideshow with configurable timing - Random selection from multiple folders - Images pan smoothly as you swipe between home screens with a parallax effect. - Various visual effects that can be toggled or adjusted: - Blur: Adjustable Gaussian blur (GPU-accelerated) - Dim: Darken images for better icon contrast - Duotone: Apply color tinting with predefined or custom color schemes - All image effects are GPU-accelerated using OpenGL ES 2.0 for smooth performance and minimal battery impact.

Gestures

- Triple-tap anywhere to toggle blur on/off - Use launcher shortcuts to advance to next image or cycle duotone presets - "Next Image": Advance to the next random image - "Random Duotone": Cycle through duotone presets

Settings

- Add one or more folders containing images. The wallpaper will randomly select from all images across all folders in a round-robin fashion. - Enable automatic slideshow and set the interval between image changes (minimum 1 second). - Control the intensity of the Gaussian blur effect. Set to 0 for no blur. - Adjust how much the image is darkened. Useful for improving visibility of home screen icons.

Requirements

- Android 6.0 (API 23) or higher - Storage permissions for accessing image folders

Technical Details

- Built with Kotlin and Jetpack Compose - OpenGL ES 2.0 for GPU-accelerated effects