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Add GetDocument draft demo
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  • samples/storage/src/main/java/com/example/platform/storage/storageaccessframework

‎samples/storage/src/main/java/com/example/platform/storage/storageaccessframework/FileCard.kt‎

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/*
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* Copyright 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.platform.storage.storageaccessframework
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import android.text.format.Formatter
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.foundation.layout.width
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.automirrored.filled.InsertDriveFile
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import androidx.compose.material.icons.filled.AudioFile
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import androidx.compose.material.icons.filled.Description
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import androidx.compose.material.icons.filled.Image
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import androidx.compose.material.icons.filled.PictureAsPdf
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import androidx.compose.material.icons.filled.VideoFile
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import androidx.compose.material3.Button
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import androidx.compose.material3.ElevatedCard
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import androidx.compose.material3.Icon
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.graphics.vector.ImageVector
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.tooling.preview.Preview
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import androidx.compose.ui.unit.dp
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internal enum class FileType(val mimeType: String) {
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Image("image/*"),
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Video("video/*"),
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Audio("audio/*"),
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Text("text/*"),
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Pdf("application/pdf"),
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Any("*/*");
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}
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data class FileRecord(val filename: String, val size: Long, val mimeType: String)
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@Composable
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fun FileCard(
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file: FileRecord,
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icon: ImageVector,
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contentPreview: @Composable (() -> Unit)? = null,
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) {
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val sizeLabel = Formatter.formatShortFileSize(LocalContext.current, file.size)
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ElevatedCard(
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modifier = Modifier
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.fillMaxWidth()
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.padding(16.dp),
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) {
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Row(
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modifier = Modifier
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.padding(16.dp)
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.fillMaxWidth(),
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verticalAlignment = Alignment.Top,
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) {
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Icon(
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imageVector = icon,
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contentDescription = null,
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modifier = Modifier.size(48.dp),
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)
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Spacer(modifier = Modifier.width(16.dp))
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Column {
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Text(file.filename, style = MaterialTheme.typography.headlineSmall, maxLines = 2)
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Spacer(modifier = Modifier.height(4.dp))
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Text("$sizeLabel · ${file.mimeType}", style = MaterialTheme.typography.bodyMedium)
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if (contentPreview != null) {
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contentPreview()
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}
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}
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}
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}
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}
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@Composable
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fun ImageFileCard(file: FileRecord, contentPreview: @Composable (() -> Unit)? = null) {
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FileCard(file, Icons.Default.Image) {
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if (contentPreview != null) {
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Spacer(modifier = Modifier.height(16.dp))
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contentPreview()
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} else {
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Spacer(modifier = Modifier.height(16.dp))
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Button(onClick = { /* Handle button click */ }) {
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Text("Read first 10 bytes")
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}
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}
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}
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}
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@Composable
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fun VideoFileCard(file: FileRecord, contentPreview: @Composable (() -> Unit)? = null) {
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FileCard(file, Icons.Default.VideoFile) {
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if (contentPreview != null) {
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Spacer(modifier = Modifier.height(16.dp))
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contentPreview()
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} else {
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Spacer(modifier = Modifier.height(16.dp))
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Button(onClick = { /* Handle button click */ }) {
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Text("Read first 10 bytes")
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}
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}
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}
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}
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@Composable
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fun AudioFileCard(file: FileRecord, contentPreview: @Composable (() -> Unit)? = null) {
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FileCard(file, Icons.Default.AudioFile) {
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if (contentPreview != null) {
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Spacer(modifier = Modifier.height(16.dp))
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contentPreview()
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} else {
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Spacer(modifier = Modifier.height(16.dp))
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Button(onClick = { /* Handle button click */ }) {
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Text("Read first 10 bytes")
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}
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}
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}
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}
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@Composable
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fun TextFileCard(file: FileRecord, contentPreview: @Composable (() -> Unit)? = null) {
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FileCard(file, Icons.Default.Description) {
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if (contentPreview != null) {
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Spacer(modifier = Modifier.height(16.dp))
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contentPreview()
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} else {
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Spacer(modifier = Modifier.height(16.dp))
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Button(onClick = { /* Handle button click */ }) {
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Text("Read first 10 bytes")
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}
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}
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}
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}
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@Composable
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fun PdfFileCard(file: FileRecord, contentPreview: @Composable (() -> Unit)? = null) {
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FileCard(file, Icons.Default.PictureAsPdf) {
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if (contentPreview != null) {
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Spacer(modifier = Modifier.height(16.dp))
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contentPreview()
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} else {
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Spacer(modifier = Modifier.height(16.dp))
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Button(onClick = { /* Handle button click */ }) {
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Text("Read first 10 bytes")
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}
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}
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}
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}
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@Composable
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fun BinaryFileCard(file: FileRecord, contentPreview: @Composable (() -> Unit)? = null) {
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FileCard(file, Icons.AutoMirrored.Filled.InsertDriveFile) {
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if (contentPreview != null) {
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Spacer(modifier = Modifier.height(16.dp))
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contentPreview()
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} else {
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Spacer(modifier = Modifier.height(16.dp))
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Button(onClick = { /* Handle button click */ }) {
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Text("Read first 10 bytes")
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}
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}
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}
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}
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@Preview
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@Composable
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fun ImageFileCard_Preview() {
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ImageFileCard(FileRecord("AmazingPhoto.png", 345_000, "image/png"))
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}
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@Preview
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@Composable
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fun VideoFileCard_Preview() {
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VideoFileCard(FileRecord("All hands - meeting recording.mp4", 1_234_567_890, "image/png"))
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}
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@Preview
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@Composable
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fun AudioFileCard_Preview() {
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AudioFileCard(FileRecord("Queen - We will rock you.mp3", 5_432_100, "audio/mp3"))
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}
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@Preview
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@Composable
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fun TextFileCard_Preview() {
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TextFileCard(FileRecord("Android Jetpack Compose.txt", 5_678, "text/plain"))
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}
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@Preview
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@Composable
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fun PdfFileCard_Preview() {
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PdfFileCard(FileRecord("Android Jetpack Compose.pdf", 1_234_567, "application/pdf"))
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}
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@Preview
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@Composable
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fun BinaryFileCard_Preview() {
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BinaryFileCard(FileRecord("binary.bin", 78_420_968, "application/octet-stream"))
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}

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