Query content with ease

Resolver.kt

suspend fun <T> Context.getContent(
    uri: Uri,
    projection: Array<String>? = null,
    selection: String? = null,
    selectionArgs: Array<String>? = null,
    sortOrder: String? = null,
    builder: Cursor.() -> T
): List<T> = suspendCancellableCoroutine { cont ->
    val cancellationSignal = CancellationSignal()
    try {
        val list = contentResolver
            .query(
                uri, projection, selection, selectionArgs, sortOrder, cancellationSignal
            )?.toList(builder) ?: emptyList()
        cont.resume(list)
    } catch (e: Exception) {
        cont.resumeWithException(e)
    }

    cont.invokeOnCancellation {
        cancellationSignal.cancel()
    }
}

fun <T> Cursor.toList(
    block: Cursor.() -> T,
): List<T> = use {
    buildList {
        while (moveToNext()) {
            add(block())
        }
    }
}