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This commit is contained in:
PapaTutuWawa 2023-09-09 00:30:56 +02:00
parent 2813e72647
commit 42155d9e31
10 changed files with 432 additions and 72 deletions
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30
example/lib/main.dart
View File

@ -202,7 +202,35 @@ class MyHomePageState extends State<MyHomePage> {
);
},
child: const Text('Thumbnail'),
)
),
ElevatedButton(
onPressed: () async {
final result = await MoxplatformPlugin.platform.pickFiles(FilePickerType.image, false);
print('Picked files $result');
},
child: const Text('Pick image'),
),
ElevatedButton(
onPressed: () async {
final result = await MoxplatformPlugin.platform.pickFiles(FilePickerType.image, true);
print('Picked files $result');
},
child: const Text('Pick multiple images'),
),
ElevatedButton(
onPressed: () async {
final result = await MoxplatformPlugin.platform.pickFiles(FilePickerType.imageAndVideo, true);
print('Picked files $result');
},
child: const Text('Pick multiple images and videos'),
),
ElevatedButton(
onPressed: () async {
final result = await MoxplatformPlugin.platform.pickFiles(FilePickerType.generic, true);
print('Picked files $result');
},
child: const Text('Pick multiple generic files'),
),
],
),
),

1
packages/moxplatform_android/android/build.gradle
View File

@ -44,4 +44,5 @@ android {
dependencies {
implementation 'androidx.localbroadcastmanager:localbroadcastmanager:1.0.0'
implementation 'androidx.core:core:1.10.1'
implementation 'androidx.activity:activity:1.7.2'
}

45
packages/moxplatform_android/android/src/main/java/me/polynom/moxplatform_android/Api.java
View File

@ -81,6 +81,19 @@ public class Api {
}
}
public enum FilePickerType {
IMAGE(0),
VIDEO(1),
IMAGE_AND_VIDEO(2),
GENERIC(3);
final int index;
private FilePickerType(final int index) {
this.index = index;
}
}
/** Generated class from Pigeon that represents data sent in messages. */
public static final class CryptographyResult {
private @NonNull byte[] plaintextHash;
@ -211,6 +224,8 @@ public class Api {
/** Media APIs */
@NonNull
Boolean generateVideoThumbnail(@NonNull String src, @NonNull String dest, @NonNull Long maxWidth);
/** Picker */
void pickFiles(@NonNull FilePickerType type, @NonNull Boolean pickMultiple, @NonNull Result<List<String>> result);
/** The codec used by MoxplatformApi. */
static @NonNull MessageCodec<Object> getCodec() {
@ -457,6 +472,36 @@ public class Api {
channel.setMessageHandler(null);
}
}
{
BasicMessageChannel<Object> channel =
new BasicMessageChannel<>(
binaryMessenger, "dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.pickFiles", getCodec());
if (api != null) {
channel.setMessageHandler(
(message, reply) -> {
ArrayList<Object> wrapped = new ArrayList<Object>();
ArrayList<Object> args = (ArrayList<Object>) message;
FilePickerType typeArg = args.get(0) == null ? null : FilePickerType.values()[(int) args.get(0)];
Boolean pickMultipleArg = (Boolean) args.get(1);
Result<List<String>> resultCallback =
new Result<List<String>>() {
public void success(List<String> result) {
wrapped.add(0, result);
reply.reply(wrapped);
}
public void error(Throwable error) {
ArrayList<Object> wrappedError = wrapError(error);
reply.reply(wrappedError);
}
};
api.pickFiles(typeArg, pickMultipleArg, resultCallback);
});
} else {
channel.setMessageHandler(null);
}
}
}
}
}

40
packages/moxplatform_android/android/src/main/java/me/polynom/moxplatform_android/MoxplatformAndroidPlugin.java
View File

@ -6,6 +6,8 @@ import static androidx.core.content.ContextCompat.startActivity;
import static me.polynom.moxplatform_android.ConstantsKt.MOXPLATFORM_FILEPROVIDER_ID;
import static me.polynom.moxplatform_android.ConstantsKt.SHARED_PREFERENCES_KEY;
import static me.polynom.moxplatform_android.CryptoKt.*;
import static me.polynom.moxplatform_android.PickerKt.filePickerRequest;
import static me.polynom.moxplatform_android.PickerKt.onActivityResultImpl;
import static me.polynom.moxplatform_android.RecordSentMessageKt.*;
import static me.polynom.moxplatform_android.ThumbnailsKt.generateVideoThumbnailImplementation;
@ -31,6 +33,8 @@ import android.provider.MediaStore;
import android.util.Log;
import android.util.Size;
import androidx.activity.result.PickVisualMediaRequest;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.app.NotificationManagerCompat;
@ -42,7 +46,11 @@ import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import io.flutter.embedding.engine.plugins.FlutterPlugin;
import io.flutter.embedding.engine.plugins.service.ServiceAware;
@ -55,11 +63,14 @@ import io.flutter.plugin.common.MethodChannel;
import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
import io.flutter.plugin.common.MethodChannel.Result;
import io.flutter.plugin.common.PluginRegistry.Registrar;
import io.flutter.plugin.common.PluginRegistry;
import io.flutter.plugin.common.JSONMethodCodec;
import io.flutter.embedding.engine.plugins.activity.ActivityAware;
import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
import kotlin.Unit;
import kotlin.jvm.functions.Function1;
public class MoxplatformAndroidPlugin extends BroadcastReceiver implements FlutterPlugin, MethodCallHandler, ServiceAware, MoxplatformApi {
public class MoxplatformAndroidPlugin extends BroadcastReceiver implements FlutterPlugin, MethodCallHandler, ServiceAware, ActivityAware, PluginRegistry.ActivityResultListener, MoxplatformApi {
public static final String entrypointKey = "entrypoint_handle";
public static final String extraDataKey = "extra_data";
private static final String autoStartAtBootKey = "auto_start_at_boot";
@ -72,13 +83,17 @@ public class MoxplatformAndroidPlugin extends BroadcastReceiver implements Flutt
private MethodChannel channel;
public static Activity activity;
private Context context;
public MoxplatformAndroidPlugin() {
_instances.add(this);
}
@Override
public boolean onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
return onActivityResultImpl(context, requestCode, resultCode, data);
}
@Override
public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) {
channel = new MethodChannel(flutterPluginBinding.getBinaryMessenger(), methodChannelKey);
@ -279,4 +294,25 @@ public class MoxplatformAndroidPlugin extends BroadcastReceiver implements Flutt
public Boolean generateVideoThumbnail(@NonNull String src, @NonNull String dest, @NonNull Long maxWidth) {
return generateVideoThumbnailImplementation(src, dest, maxWidth);
}
@Override
public void pickFiles(@NonNull FilePickerType type, @NonNull Boolean pickMultiple, @NonNull Api.Result<List<String>> result) {
filePickerRequest(context, activity, type, pickMultiple, result);
}
@Override
public void onAttachedToActivity(ActivityPluginBinding binding) {
activity = binding.getActivity();
binding.addActivityResultListener(this);
Log.d(TAG, "Activity attached");
}
@Override
public void onDetachedFromActivity() {}
@Override
public void onDetachedFromActivityForConfigChanges() {}
@Override
public void onReattachedToActivityForConfigChanges​(ActivityPluginBinding binding) {}
}

226
packages/moxplatform_android/android/src/main/java/me/polynom/moxplatform_android/Picker.kt Normal file
View File

@ -0,0 +1,226 @@
package me.polynom.moxplatform_android
import android.app.Activity
import android.content.ContentResolver
import android.content.Context
import android.content.Intent
import android.database.Cursor
import android.net.Uri
import android.provider.MediaStore
import android.util.Log
import android.webkit.MimeTypeMap
import androidx.activity.result.PickVisualMediaRequest
import androidx.activity.result.contract.ActivityResultContracts
import java.io.File
import java.io.FileOutputStream
import java.io.IOException
import java.io.InputStream
import java.io.OutputStream
import java.util.UUID
object RequestTracker {
val requests: MutableMap<Int, Api.Result<Any>> = mutableMapOf()
}
const val PICK_FILE_REQUEST = 41;
const val PICK_FILES_REQUEST = 42;
fun genericFilePickerRequest(activity: Activity?, pickMultiple: Boolean, result: Api.Result<List<String>>) {
val pickIntent = Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
addCategory(Intent.CATEGORY_OPENABLE)
type = "*/*"
putExtra(Intent.EXTRA_ALLOW_MULTIPLE, pickMultiple);
}
RequestTracker.requests[PICK_FILE_REQUEST] = result as Api.Result<Any>;
activity?.startActivityForResult(pickIntent, PICK_FILE_REQUEST)
}
fun filePickerRequest(
context: Context,
activity: Activity?,
type: Api.FilePickerType,
pickMultiple: Boolean,
result: Api.Result<List<String>>
) {
if (type == Api.FilePickerType.GENERIC) {
return genericFilePickerRequest(activity, pickMultiple, result)
}
val pickerType = when (type) {
Api.FilePickerType.IMAGE -> ActivityResultContracts.PickVisualMedia.ImageOnly
Api.FilePickerType.VIDEO -> ActivityResultContracts.PickVisualMedia.VideoOnly
Api.FilePickerType.IMAGE_AND_VIDEO -> ActivityResultContracts.PickVisualMedia.ImageAndVideo
// TODO
Api.FilePickerType.GENERIC -> ActivityResultContracts.PickVisualMedia.ImageAndVideo
}
val pick = when (pickMultiple) {
false -> ActivityResultContracts.PickVisualMedia()
true -> ActivityResultContracts.PickMultipleVisualMedia()
}
val requestCode = if (pickMultiple) PICK_FILES_REQUEST else PICK_FILE_REQUEST
val pickIntent = pick.createIntent(context, PickVisualMediaRequest(pickerType))
RequestTracker.requests[requestCode] = result as Api.Result<Any>
Log.d(TAG, "Tracked size ${RequestTracker.requests.size}")
if (activity == null) {
Log.w(TAG, "Activity is null")
}
activity?.startActivityForResult(pickIntent, requestCode);
}
/**
* Copies the file from the given content URI to a temporary directory, retaining the original
* file name if possible.
*
*
* Each file is placed in its own directory to avoid conflicts according to the following
* scheme: {cacheDir}/{randomUuid}/{fileName}
*
*
* File extension is changed to match MIME type of the file, if known. Otherwise, the extension
* is left unchanged.
*
*
* If the original file name is unknown, a predefined "image_picker" filename is used and the
* file extension is deduced from the mime type (with fallback to ".jpg" in case of failure).
*/
fun getPathFromUri(context: Context, uri: Uri): String? {
try {
context.contentResolver.openInputStream(uri).use { inputStream ->
val uuid = UUID.randomUUID().toString()
val targetDirectory = File(context.cacheDir, uuid)
targetDirectory.mkdir()
// TODO(SynSzakala) according to the docs, `deleteOnExit` does not work reliably on Android; we should preferably
// just clear the picked files after the app startup.
targetDirectory.deleteOnExit()
var fileName = getImageName(context, uri)
var extension = getImageExtension(context, uri)
if (fileName == null) {
Log.w("FileUtils", "Cannot get file name for $uri")
if (extension == null) extension = ".jpg"
fileName = "image_picker$extension"
} else if (extension != null) {
fileName = getBaseName(fileName) + extension
}
val file = File(targetDirectory, fileName)
FileOutputStream(file).use { outputStream ->
copy(inputStream!!, outputStream)
return file.path
}
}
} catch (e: IOException) {
// If closing the output stream fails, we cannot be sure that the
// target file was written in full. Flushing the stream merely moves
// the bytes into the OS, not necessarily to the file.
return null
} catch (e: SecurityException) {
// Calling `ContentResolver#openInputStream()` has been reported to throw a
// `SecurityException` on some devices in certain circumstances. Instead of crashing, we
// return `null`.
//
// See https://github.com/flutter/flutter/issues/100025 for more details.
return null
}
}
/** @return extension of image with dot, or null if it's empty.
*/
private fun getImageExtension(context: Context, uriImage: Uri): String? {
val extension: String?
extension = try {
if (uriImage.scheme == ContentResolver.SCHEME_CONTENT) {
val mime = MimeTypeMap.getSingleton()
mime.getExtensionFromMimeType(context.contentResolver.getType(uriImage))
} else {
MimeTypeMap.getFileExtensionFromUrl(
Uri.fromFile(File(uriImage.path)).toString()
)
}
} catch (e: Exception) {
return null
}
return if (extension == null || extension.isEmpty()) {
null
} else ".$extension"
}
/** @return name of the image provided by ContentResolver; this may be null.
*/
private fun getImageName(context: Context, uriImage: Uri): String? {
queryImageName(context, uriImage).use { cursor ->
return if (cursor == null || !cursor.moveToFirst() || (cursor.columnCount < 1)) null else cursor.getString(
0
)
}
}
private fun queryImageName(context: Context, uriImage: Uri): Cursor? {
return context
.contentResolver
.query(uriImage, arrayOf(MediaStore.MediaColumns.DISPLAY_NAME), null, null, null)
}
@Throws(IOException::class)
private fun copy(`in`: InputStream, out: OutputStream) {
val buffer = ByteArray(4 * 1024)
var bytesRead: Int
while (`in`.read(buffer).also { bytesRead = it } != -1) {
out.write(buffer, 0, bytesRead)
}
out.flush()
}
private fun getBaseName(fileName: String): String {
val lastDotIndex = fileName.lastIndexOf('.')
return if (lastDotIndex < 0) {
fileName
} else fileName.substring(0, lastDotIndex)
// Basename is everything before the last '.'.
}
fun onActivityResultImpl(context: Context, requestCode: Int, resultCode: Int, data: Intent?): Boolean {
Log.d(TAG, "Got result for $requestCode with result $resultCode (${data?.action})")
if (requestCode == PICK_FILE_REQUEST || requestCode == PICK_FILES_REQUEST) {
Log.d(TAG, "Extra data ${data?.data}")
val result = RequestTracker.requests.remove(requestCode);
if (result == null) {
Log.w(TAG, "Untracked response.")
return false;
}
if (resultCode != Activity.RESULT_OK) {
// No files picked
result!!.success(listOf<String>())
return true;
}
val pickedMultiple = requestCode == PICK_FILES_REQUEST
val pickedFiles = mutableListOf<String>()
if (pickedMultiple) {
val intentUris = data!!.clipData
if (data!!.clipData != null) {
for (i in 0 until data!!.clipData!!.itemCount) {
val path = getPathFromUri(context, data!!.clipData!!.getItemAt(i).uri)
if (path != null) {
pickedFiles.add(path )
}
}
}
} else {
val path = getPathFromUri(context, data!!.data!!)
if (path != null) {
pickedFiles.add(path )
}
}
result!!.success(pickedFiles)
return true;
}
return false;
}

6
packages/moxplatform_android/lib/src/platform_android.dart
View File

@ -30,4 +30,10 @@ class AndroidPlatformImplementation extends PlatformImplementation {
) async {
return MoxplatformInterface.api.generateVideoThumbnail(src, dest, width);
}
@override
Future<List<String>> pickFiles(FilePickerType type, bool pickMultiple) async {
final result = await MoxplatformInterface.api.pickFiles(type, pickMultiple);
return result.cast<String>();
}
}

135
packages/moxplatform_platform_interface/lib/src/api.g.dart
View File

@ -20,6 +20,13 @@ enum FallbackIconType {
notes,
}
enum FilePickerType {
image,
video,
imageAndVideo,
generic,
}
class CryptographyResult {
CryptographyResult({
required this.plaintextHash,
@ -82,10 +89,10 @@ class MoxplatformApi {
/// Platform APIs
Future<String> getPersistentDataPath() async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.getPersistentDataPath',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.getPersistentDataPath', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel.send(null) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(null) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -109,10 +116,10 @@ class MoxplatformApi {
Future<String> getCacheDataPath() async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.getCacheDataPath',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.getCacheDataPath', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel.send(null) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(null) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -136,10 +143,10 @@ class MoxplatformApi {
Future<void> openBatteryOptimisationSettings() async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.openBatteryOptimisationSettings',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.openBatteryOptimisationSettings', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel.send(null) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(null) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -158,10 +165,10 @@ class MoxplatformApi {
Future<bool> isIgnoringBatteryOptimizations() async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.isIgnoringBatteryOptimizations',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.isIgnoringBatteryOptimizations', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel.send(null) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(null) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -184,18 +191,12 @@ class MoxplatformApi {
}
/// Contacts APIs
Future<void> recordSentMessage(String arg_name, String arg_jid,
String? arg_avatarPath, FallbackIconType arg_fallbackIcon) async {
Future<void> recordSentMessage(String arg_name, String arg_jid, String? arg_avatarPath, FallbackIconType arg_fallbackIcon) async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.recordSentMessage',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.recordSentMessage', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel.send(<Object?>[
arg_name,
arg_jid,
arg_avatarPath,
arg_fallbackIcon.index
]) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(<Object?>[arg_name, arg_jid, arg_avatarPath, arg_fallbackIcon.index]) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -213,25 +214,12 @@ class MoxplatformApi {
}
/// Cryptography APIs
Future<CryptographyResult?> encryptFile(
String arg_sourcePath,
String arg_destPath,
Uint8List arg_key,
Uint8List arg_iv,
CipherAlgorithm arg_algorithm,
String arg_hashSpec) async {
Future<CryptographyResult?> encryptFile(String arg_sourcePath, String arg_destPath, Uint8List arg_key, Uint8List arg_iv, CipherAlgorithm arg_algorithm, String arg_hashSpec) async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.encryptFile',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.encryptFile', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel.send(<Object?>[
arg_sourcePath,
arg_destPath,
arg_key,
arg_iv,
arg_algorithm.index,
arg_hashSpec
]) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(<Object?>[arg_sourcePath, arg_destPath, arg_key, arg_iv, arg_algorithm.index, arg_hashSpec]) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -248,25 +236,12 @@ class MoxplatformApi {
}
}
Future<CryptographyResult?> decryptFile(
String arg_sourcePath,
String arg_destPath,
Uint8List arg_key,
Uint8List arg_iv,
CipherAlgorithm arg_algorithm,
String arg_hashSpec) async {
Future<CryptographyResult?> decryptFile(String arg_sourcePath, String arg_destPath, Uint8List arg_key, Uint8List arg_iv, CipherAlgorithm arg_algorithm, String arg_hashSpec) async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.decryptFile',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.decryptFile', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel.send(<Object?>[
arg_sourcePath,
arg_destPath,
arg_key,
arg_iv,
arg_algorithm.index,
arg_hashSpec
]) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(<Object?>[arg_sourcePath, arg_destPath, arg_key, arg_iv, arg_algorithm.index, arg_hashSpec]) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -283,14 +258,12 @@ class MoxplatformApi {
}
}
Future<Uint8List?> hashFile(
String arg_sourcePath, String arg_hashSpec) async {
Future<Uint8List?> hashFile(String arg_sourcePath, String arg_hashSpec) async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.hashFile',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.hashFile', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel
.send(<Object?>[arg_sourcePath, arg_hashSpec]) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(<Object?>[arg_sourcePath, arg_hashSpec]) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -308,14 +281,12 @@ class MoxplatformApi {
}
/// Media APIs
Future<bool> generateVideoThumbnail(
String arg_src, String arg_dest, int arg_maxWidth) async {
Future<bool> generateVideoThumbnail(String arg_src, String arg_dest, int arg_maxWidth) async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.generateVideoThumbnail',
codec,
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.generateVideoThumbnail', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList = await channel
.send(<Object?>[arg_src, arg_dest, arg_maxWidth]) as List<Object?>?;
final List<Object?>? replyList =
await channel.send(<Object?>[arg_src, arg_dest, arg_maxWidth]) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
@ -336,4 +307,32 @@ class MoxplatformApi {
return (replyList[0] as bool?)!;
}
}
/// Picker
Future<List<String?>> pickFiles(FilePickerType arg_type, bool arg_pickMultiple) async {
final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.pickFiles', codec,
binaryMessenger: _binaryMessenger);
final List<Object?>? replyList =
await channel.send(<Object?>[arg_type.index, arg_pickMultiple]) as List<Object?>?;
if (replyList == null) {
throw PlatformException(
code: 'channel-error',
message: 'Unable to establish connection on channel.',
);
} else if (replyList.length > 1) {
throw PlatformException(
code: replyList[0]! as String,
message: replyList[1] as String?,
details: replyList[2],
);
} else if (replyList[0] == null) {
throw PlatformException(
code: 'null-error',
message: 'Host platform returned null value for non-null return value.',
);
} else {
return (replyList[0] as List<Object?>?)!.cast<String?>();
}
}
}

4
packages/moxplatform_platform_interface/lib/src/platform.dart
View File

@ -1,3 +1,5 @@
import 'package:moxplatform_platform_interface/src/api.g.dart';
abstract class PlatformImplementation {
/// Returns the path where persistent data should be stored.
Future<String> getPersistentDataPath();
@ -17,4 +19,6 @@ abstract class PlatformImplementation {
/// aspect ratio in tact to [width], and write it to [dest]. If we were successful, returns true.
/// If no thumbnail was generated, returns false.
Future<bool> generateVideoThumbnail(String src, String dest, int width);
Future<List<String>> pickFiles(FilePickerType type, bool pickMultiple);
}

4
packages/moxplatform_platform_interface/lib/src/platform_stub.dart
View File

@ -1,3 +1,4 @@
import 'package:moxplatform_platform_interface/src/api.g.dart';
import 'package:moxplatform_platform_interface/src/platform.dart';
class StubPlatformImplementation extends PlatformImplementation {
@ -22,4 +23,7 @@ class StubPlatformImplementation extends PlatformImplementation {
int width,
) async =>
false;
@override
Future<List<String>> pickFiles(FilePickerType type, bool pickMultiple) async => [];
}

11
pigeons/api.dart
View File

@ -32,6 +32,13 @@ enum FallbackIconType {
notes;
}
enum FilePickerType {
image,
video,
imageAndVideo,
generic,
}
@HostApi()
abstract class MoxplatformApi {
/// Platform APIs
@ -50,4 +57,8 @@ abstract class MoxplatformApi {
/// Media APIs
bool generateVideoThumbnail(String src, String dest, int maxWidth);
/// Picker
@async
List<String> pickFiles(FilePickerType type, bool pickMultiple);
}