25 | NS_ASSUME_NONNULL_BEGIN
26 |
27 | @interface QueuingEventSink : NSObject
28 |
29 | - (void)setDelegate:(FlutterEventSink _Nullable)sink;
30 |
31 | - (void)endOfStream;
32 |
33 | - (void)error:(NSString *)code
34 | message:(NSString *_Nullable)message
35 | details:(id _Nullable)details;
36 |
37 | - (void)success:(NSObject *)event;
38 |
39 | @end
40 |
41 | NS_ASSUME_NONNULL_END
42 |
--------------------------------------------------------------------------------
/example/ios/Runner/Info.plist:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 | CFBundleDevelopmentRegion
6 | $(DEVELOPMENT_LANGUAGE)
7 | CFBundleExecutable
8 | $(EXECUTABLE_NAME)
9 | CFBundleIdentifier
10 | $(PRODUCT_BUNDLE_IDENTIFIER)
11 | CFBundleInfoDictionaryVersion
12 | 6.0
13 | CFBundleName
14 | flutter_volume_example
15 | CFBundlePackageType
16 | APPL
17 | CFBundleShortVersionString
18 | 1.0
19 | CFBundleSignature
20 | ????
21 | CFBundleVersion
22 | 1.0
23 | LSRequiresIPhoneOS
24 |
25 | UILaunchStoryboardName
26 | LaunchScreen
27 | UIMainStoryboardFile
28 | Main
29 | UISupportedInterfaceOrientations
30 |
31 | UIInterfaceOrientationPortrait
32 | UIInterfaceOrientationLandscapeLeft
33 | UIInterfaceOrientationLandscapeRight
34 |
35 | UISupportedInterfaceOrientations~ipad
36 |
37 | UIInterfaceOrientationPortrait
38 | UIInterfaceOrientationPortraitUpsideDown
39 | UIInterfaceOrientationLandscapeLeft
40 | UIInterfaceOrientationLandscapeRight
41 |
42 | UIViewControllerBasedStatusBarAppearance
43 |
44 |
45 |
46 |
--------------------------------------------------------------------------------
/example/ios/Runner/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
--------------------------------------------------------------------------------
/example/.gitignore:
--------------------------------------------------------------------------------
1 | # Miscellaneous
2 | *.class
3 | *.log
4 | *.pyc
5 | *.swp
6 | .DS_Store
7 | .atom/
8 | .buildlog/
9 | .history
10 | .svn/
11 |
12 | # IntelliJ related
13 | *.iml
14 | *.ipr
15 | *.iws
16 | .idea/
17 |
18 | # The .vscode folder contains launch configuration and tasks you configure in
19 | # VS Code which you may wish to be included in version control, so this line
20 | # is commented out by default.
21 | #.vscode/
22 |
23 | # Flutter/Dart/Pub related
24 | **/doc/api/
25 | .dart_tool/
26 | .flutter-plugins
27 | .packages
28 | .pub-cache/
29 | .pub/
30 | /build/
31 |
32 | # Android related
33 | **/android/**/gradle-wrapper.jar
34 | **/android/.gradle
35 | **/android/captures/
36 | **/android/gradlew
37 | **/android/gradlew.bat
38 | **/android/local.properties
39 | **/android/**/GeneratedPluginRegistrant.java
40 |
41 | # iOS/XCode related
42 | **/ios/**/*.mode1v3
43 | **/ios/**/*.mode2v3
44 | **/ios/**/*.moved-aside
45 | **/ios/**/*.pbxuser
46 | **/ios/**/*.perspectivev3
47 | **/ios/**/*sync/
48 | **/ios/**/.sconsign.dblite
49 | **/ios/**/.tags*
50 | **/ios/**/.vagrant/
51 | **/ios/**/DerivedData/
52 | **/ios/**/Icon?
53 | **/ios/**/Pods/
54 | **/ios/**/.symlinks/
55 | **/ios/**/profile
56 | **/ios/**/xcuserdata
57 | **/ios/.generated/
58 | **/ios/Flutter/App.framework
59 | **/ios/Flutter/Flutter.framework
60 | **/ios/Flutter/Generated.xcconfig
61 | **/ios/Flutter/app.flx
62 | **/ios/Flutter/app.zip
63 | **/ios/Flutter/flutter_assets/
64 | **/ios/Flutter/flutter_export_environment.sh
65 | **/ios/ServiceDefinitions.json
66 | **/ios/Runner/GeneratedPluginRegistrant.*
67 |
68 | # Exceptions to above rules.
69 | !**/ios/**/default.mode1v3
70 | !**/ios/**/default.mode2v3
71 | !**/ios/**/default.pbxuser
72 | !**/ios/**/default.perspectivev3
73 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
74 |
--------------------------------------------------------------------------------
/example/android/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
1 |
3 |
4 |
9 |
13 |
20 |
24 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
--------------------------------------------------------------------------------
/pubspec.yaml:
--------------------------------------------------------------------------------
1 | name: sys_volume
2 | description: A Plugin for Volume Control and Monitoring, support iOS and Android
3 | version: 0.1.0
4 | author: befovy
5 | homepage: https://blog.befovy.com
6 |
7 | environment:
8 | sdk: ">=2.1.0 <3.0.0"
9 |
10 | dependencies:
11 | flutter:
12 | sdk: flutter
13 |
14 | dev_dependencies:
15 | flutter_test:
16 | sdk: flutter
17 |
18 | # For information on the generic Dart part of this file, see the
19 | # following page: https://dart.dev/tools/pub/pubspec
20 |
21 | # The following section is specific to Flutter.
22 | flutter:
23 | # This section identifies this Flutter project as a plugin project.
24 | # The androidPackage and pluginClass identifiers should not ordinarily
25 | # be modified. They are used by the tooling to maintain consistency when
26 | # adding or updating assets for this project.
27 | plugin:
28 | androidPackage: com.befovy.flutter_volume
29 | pluginClass: FlutterVolumePlugin
30 |
31 | # To add assets to your plugin package, add an assets section, like this:
32 | # assets:
33 | # - images/a_dot_burr.jpeg
34 | # - images/a_dot_ham.jpeg
35 | #
36 | # For details regarding assets in packages, see
37 | # https://flutter.dev/assets-and-images/#from-packages
38 | #
39 | # An image asset can refer to one or more resolution-specific "variants", see
40 | # https://flutter.dev/assets-and-images/#resolution-aware.
41 |
42 | # To add custom fonts to your plugin package, add a fonts section here,
43 | # in this "flutter" section. Each entry in this list should have a
44 | # "family" key with the font family name, and a "fonts" key with a
45 | # list giving the asset and other descriptors for the font. For
46 | # example:
47 | # fonts:
48 | # - family: Schyler
49 | # fonts:
50 | # - asset: fonts/Schyler-Regular.ttf
51 | # - asset: fonts/Schyler-Italic.ttf
52 | # style: italic
53 | # - family: Trajan Pro
54 | # fonts:
55 | # - asset: fonts/TrajanPro.ttf
56 | # - asset: fonts/TrajanPro_Bold.ttf
57 | # weight: 700
58 | #
59 | # For details regarding fonts in packages, see
60 | # https://flutter.dev/custom-fonts/#from-packages
61 |
--------------------------------------------------------------------------------
/example/pubspec.yaml:
--------------------------------------------------------------------------------
1 | name: flutter_volume_example
2 | description: Demonstrates how to use the sys_volume plugin.
3 | publish_to: 'none'
4 |
5 | environment:
6 | sdk: ">=2.1.0 <3.0.0"
7 |
8 | dependencies:
9 | flutter:
10 | sdk: flutter
11 |
12 | # The following adds the Cupertino Icons font to your application.
13 | # Use with the CupertinoIcons class for iOS style icons.
14 | cupertino_icons: ^0.1.2
15 |
16 | dev_dependencies:
17 | flutter_test:
18 | sdk: flutter
19 |
20 | sys_volume:
21 | path: ../
22 |
23 | # For information on the generic Dart part of this file, see the
24 | # following page: https://dart.dev/tools/pub/pubspec
25 |
26 | # The following section is specific to Flutter.
27 | flutter:
28 |
29 | # The following line ensures that the Material Icons font is
30 | # included with your application, so that you can use the icons in
31 | # the material Icons class.
32 | uses-material-design: true
33 |
34 | # To add assets to your application, add an assets section, like this:
35 | # assets:
36 | # - images/a_dot_burr.jpeg
37 | # - images/a_dot_ham.jpeg
38 |
39 | # An image asset can refer to one or more resolution-specific "variants", see
40 | # https://flutter.dev/assets-and-images/#resolution-aware.
41 |
42 | # For details regarding adding assets from package dependencies, see
43 | # https://flutter.dev/assets-and-images/#from-packages
44 |
45 | # To add custom fonts to your application, add a fonts section here,
46 | # in this "flutter" section. Each entry in this list should have a
47 | # "family" key with the font family name, and a "fonts" key with a
48 | # list giving the asset and other descriptors for the font. For
49 | # example:
50 | # fonts:
51 | # - family: Schyler
52 | # fonts:
53 | # - asset: fonts/Schyler-Regular.ttf
54 | # - asset: fonts/Schyler-Italic.ttf
55 | # style: italic
56 | # - family: Trajan Pro
57 | # fonts:
58 | # - asset: fonts/TrajanPro.ttf
59 | # - asset: fonts/TrajanPro_Bold.ttf
60 | # weight: 700
61 | #
62 | # For details regarding fonts from package dependencies,
63 | # see https://flutter.dev/custom-fonts/#from-packages
64 |
--------------------------------------------------------------------------------
/android/src/main/kotlin/com/befovy/flutter_volume/QueueEventSink.kt:
--------------------------------------------------------------------------------
1 | package com.befovy.flutter_volume
2 |
3 | import io.flutter.plugin.common.EventChannel
4 |
5 | /**
6 | * And implementation of {@link EventChannel.EventSink} which can wrap an underlying sink.
7 | *
8 | * It delivers messages immediately when downstream is available, but it queues messages before
9 | * the delegate event sink is set with setDelegate.
10 | *
11 | *
This class is not thread-safe. All calls must be done on the same thread or synchronized
12 | * externally.
13 | */
14 | internal class QueuingEventSink : EventChannel.EventSink {
15 |
16 | private var delegate: EventChannel.EventSink? = null
17 | private val eventQueue: MutableList = mutableListOf()
18 | private var done = false
19 |
20 | fun setDelegate(delegate: EventChannel.EventSink?) {
21 | this.delegate = delegate
22 | maybeFlush()
23 | }
24 |
25 | override fun endOfStream() {
26 | enqueue(EndOfStreamEvent())
27 | maybeFlush()
28 | done = true
29 | }
30 |
31 | override fun error(code: String, message: String, details: Any) {
32 | enqueue(ErrorEvent(code, message, details))
33 | maybeFlush()
34 | }
35 |
36 | override fun success(event: Any) {
37 | enqueue(event)
38 | maybeFlush()
39 | }
40 |
41 | private fun enqueue(event: Any) {
42 | if (done) {
43 | return
44 | }
45 | eventQueue.add(event)
46 | }
47 |
48 | private fun maybeFlush() {
49 | if (delegate == null) {
50 | return
51 | }
52 | for (event in eventQueue) {
53 | when (event) {
54 | is EndOfStreamEvent -> delegate!!.endOfStream()
55 | is ErrorEvent -> {
56 | delegate!!.error(event.code, event.message, event.details)
57 | }
58 | else -> delegate!!.success(event)
59 | }
60 | }
61 | eventQueue.clear()
62 | }
63 |
64 | private class EndOfStreamEvent
65 |
66 | private class ErrorEvent constructor(internal var code: String, internal var message: String, internal var details: Any)
67 | }
68 |
--------------------------------------------------------------------------------
/example/android/app/build.gradle:
--------------------------------------------------------------------------------
1 | def localProperties = new Properties()
2 | def localPropertiesFile = rootProject.file('local.properties')
3 | if (localPropertiesFile.exists()) {
4 | localPropertiesFile.withReader('UTF-8') { reader ->
5 | localProperties.load(reader)
6 | }
7 | }
8 |
9 | def flutterRoot = localProperties.getProperty('flutter.sdk')
10 | if (flutterRoot == null) {
11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
12 | }
13 |
14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
15 | if (flutterVersionCode == null) {
16 | flutterVersionCode = '1'
17 | }
18 |
19 | def flutterVersionName = localProperties.getProperty('flutter.versionName')
20 | if (flutterVersionName == null) {
21 | flutterVersionName = '1.0'
22 | }
23 |
24 | apply plugin: 'com.android.application'
25 | apply plugin: 'kotlin-android'
26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
27 |
28 | android {
29 | compileSdkVersion 28
30 |
31 | sourceSets {
32 | main.java.srcDirs += 'src/main/kotlin'
33 | }
34 |
35 | lintOptions {
36 | disable 'InvalidPackage'
37 | }
38 |
39 | defaultConfig {
40 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
41 | applicationId "com.befovy.flutter_volume_example"
42 | minSdkVersion 16
43 | targetSdkVersion 28
44 | versionCode flutterVersionCode.toInteger()
45 | versionName flutterVersionName
46 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
47 | }
48 |
49 | buildTypes {
50 | release {
51 | // TODO: Add your own signing config for the release build.
52 | // Signing with the debug keys for now, so `flutter run --release` works.
53 | signingConfig signingConfigs.debug
54 | }
55 | }
56 | }
57 |
58 | flutter {
59 | source '../..'
60 | }
61 |
62 | dependencies {
63 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
64 | testImplementation 'junit:junit:4.12'
65 | androidTestImplementation 'com.android.support.test:runner:1.0.2'
66 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
67 | }
68 |
--------------------------------------------------------------------------------
/example/ios/Runner/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
--------------------------------------------------------------------------------
/ios/Classes/QueuingEventSink.m:
--------------------------------------------------------------------------------
1 | //MIT License
2 | //
3 | //Copyright (c) [2019] [Befovy]
4 | //
5 | //Permission is hereby granted, free of charge, to any person obtaining a copy
6 | //of this software and associated documentation files (the "Software"), to deal
7 | //in the Software without restriction, including without limitation the rights
8 | //to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 | //copies of the Software, and to permit persons to whom the Software is
10 | //furnished to do so, subject to the following conditions:
11 | //
12 | //The above copyright notice and this permission notice shall be included in all
13 | //copies or substantial portions of the Software.
14 | //
15 | //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | //IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | //FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | //AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | //LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | //SOFTWARE.
22 |
23 | #import "QueuingEventSink.h"
24 |
25 | @implementation QueuingEventSink {
26 | NSMutableArray *_eventQueue;
27 | BOOL _done;
28 | FlutterEventSink _delegate;
29 | }
30 |
31 | - (instancetype)init {
32 | self = [super init];
33 | if (self) {
34 | _delegate = nil;
35 | _done = false;
36 | _eventQueue = [[NSMutableArray alloc] init];
37 | }
38 | return self;
39 | }
40 |
41 | - (void)maybeFlush {
42 | if (_delegate == nil)
43 | return;
44 |
45 | for (NSObject *event in _eventQueue) {
46 | _delegate(event);
47 | }
48 | [_eventQueue removeAllObjects];
49 | }
50 |
51 | - (void)enqueue:(const NSObject *)event {
52 | if (_done)
53 | return;
54 | [_eventQueue addObject:event];
55 | }
56 |
57 | - (void)setDelegate:(FlutterEventSink)sink {
58 | _delegate = sink;
59 | [self maybeFlush];
60 | }
61 |
62 | - (void)endOfStream {
63 | [self enqueue:FlutterEndOfEventStream];
64 | [self maybeFlush];
65 | _done = TRUE;
66 | }
67 |
68 | - (void)error:(NSString *)code
69 | message:(NSString *_Nullable)message
70 | details:(id _Nullable)details {
71 | [self enqueue:[FlutterError errorWithCode:code
72 | message:message
73 | details:details]];
74 | [self maybeFlush];
75 | }
76 |
77 | - (void)success:(NSObject *)event {
78 | [self enqueue:event];
79 | [self maybeFlush];
80 | }
81 |
82 | - (void)dealloc {
83 | if (_eventQueue) {
84 | [_eventQueue removeAllObjects];
85 | _eventQueue = nil;
86 | }
87 | }
88 |
89 | @end
90 |
--------------------------------------------------------------------------------
/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 | "images" : [
3 | {
4 | "size" : "20x20",
5 | "idiom" : "iphone",
6 | "filename" : "Icon-App-20x20@2x.png",
7 | "scale" : "2x"
8 | },
9 | {
10 | "size" : "20x20",
11 | "idiom" : "iphone",
12 | "filename" : "Icon-App-20x20@3x.png",
13 | "scale" : "3x"
14 | },
15 | {
16 | "size" : "29x29",
17 | "idiom" : "iphone",
18 | "filename" : "Icon-App-29x29@1x.png",
19 | "scale" : "1x"
20 | },
21 | {
22 | "size" : "29x29",
23 | "idiom" : "iphone",
24 | "filename" : "Icon-App-29x29@2x.png",
25 | "scale" : "2x"
26 | },
27 | {
28 | "size" : "29x29",
29 | "idiom" : "iphone",
30 | "filename" : "Icon-App-29x29@3x.png",
31 | "scale" : "3x"
32 | },
33 | {
34 | "size" : "40x40",
35 | "idiom" : "iphone",
36 | "filename" : "Icon-App-40x40@2x.png",
37 | "scale" : "2x"
38 | },
39 | {
40 | "size" : "40x40",
41 | "idiom" : "iphone",
42 | "filename" : "Icon-App-40x40@3x.png",
43 | "scale" : "3x"
44 | },
45 | {
46 | "size" : "60x60",
47 | "idiom" : "iphone",
48 | "filename" : "Icon-App-60x60@2x.png",
49 | "scale" : "2x"
50 | },
51 | {
52 | "size" : "60x60",
53 | "idiom" : "iphone",
54 | "filename" : "Icon-App-60x60@3x.png",
55 | "scale" : "3x"
56 | },
57 | {
58 | "size" : "20x20",
59 | "idiom" : "ipad",
60 | "filename" : "Icon-App-20x20@1x.png",
61 | "scale" : "1x"
62 | },
63 | {
64 | "size" : "20x20",
65 | "idiom" : "ipad",
66 | "filename" : "Icon-App-20x20@2x.png",
67 | "scale" : "2x"
68 | },
69 | {
70 | "size" : "29x29",
71 | "idiom" : "ipad",
72 | "filename" : "Icon-App-29x29@1x.png",
73 | "scale" : "1x"
74 | },
75 | {
76 | "size" : "29x29",
77 | "idiom" : "ipad",
78 | "filename" : "Icon-App-29x29@2x.png",
79 | "scale" : "2x"
80 | },
81 | {
82 | "size" : "40x40",
83 | "idiom" : "ipad",
84 | "filename" : "Icon-App-40x40@1x.png",
85 | "scale" : "1x"
86 | },
87 | {
88 | "size" : "40x40",
89 | "idiom" : "ipad",
90 | "filename" : "Icon-App-40x40@2x.png",
91 | "scale" : "2x"
92 | },
93 | {
94 | "size" : "76x76",
95 | "idiom" : "ipad",
96 | "filename" : "Icon-App-76x76@1x.png",
97 | "scale" : "1x"
98 | },
99 | {
100 | "size" : "76x76",
101 | "idiom" : "ipad",
102 | "filename" : "Icon-App-76x76@2x.png",
103 | "scale" : "2x"
104 | },
105 | {
106 | "size" : "83.5x83.5",
107 | "idiom" : "ipad",
108 | "filename" : "Icon-App-83.5x83.5@2x.png",
109 | "scale" : "2x"
110 | },
111 | {
112 | "size" : "1024x1024",
113 | "idiom" : "ios-marketing",
114 | "filename" : "Icon-App-1024x1024@1x.png",
115 | "scale" : "1x"
116 | }
117 | ],
118 | "info" : {
119 | "version" : 1,
120 | "author" : "xcode"
121 | }
122 | }
123 |
--------------------------------------------------------------------------------
/example/ios/Podfile:
--------------------------------------------------------------------------------
1 | # Uncomment this line to define a global platform for your project
2 | # platform :ios, '9.0'
3 |
4 | # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
5 | ENV['COCOAPODS_DISABLE_STATS'] = 'true'
6 |
7 | project 'Runner', {
8 | 'Debug' => :debug,
9 | 'Profile' => :release,
10 | 'Release' => :release,
11 | }
12 |
13 | def parse_KV_file(file, separator='=')
14 | file_abs_path = File.expand_path(file)
15 | if !File.exists? file_abs_path
16 | return [];
17 | end
18 | generated_key_values = {}
19 | skip_line_start_symbols = ["#", "/"]
20 | File.foreach(file_abs_path) do |line|
21 | next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
22 | plugin = line.split(pattern=separator)
23 | if plugin.length == 2
24 | podname = plugin[0].strip()
25 | path = plugin[1].strip()
26 | podpath = File.expand_path("#{path}", file_abs_path)
27 | generated_key_values[podname] = podpath
28 | else
29 | puts "Invalid plugin specification: #{line}"
30 | end
31 | end
32 | generated_key_values
33 | end
34 |
35 | target 'Runner' do
36 | use_frameworks!
37 | use_modular_headers!
38 |
39 | # Flutter Pod
40 |
41 | copied_flutter_dir = File.join(__dir__, 'Flutter')
42 | copied_framework_path = File.join(copied_flutter_dir, 'Flutter.framework')
43 | copied_podspec_path = File.join(copied_flutter_dir, 'Flutter.podspec')
44 | unless File.exist?(copied_framework_path) && File.exist?(copied_podspec_path)
45 | # Copy Flutter.framework and Flutter.podspec to Flutter/ to have something to link against if the xcode backend script has not run yet.
46 | # That script will copy the correct debug/profile/release version of the framework based on the currently selected Xcode configuration.
47 | # CocoaPods will not embed the framework on pod install (before any build phases can generate) if the dylib does not exist.
48 |
49 | generated_xcode_build_settings_path = File.join(copied_flutter_dir, 'Generated.xcconfig')
50 | unless File.exist?(generated_xcode_build_settings_path)
51 | raise "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first"
52 | end
53 | generated_xcode_build_settings = parse_KV_file(generated_xcode_build_settings_path)
54 | cached_framework_dir = generated_xcode_build_settings['FLUTTER_FRAMEWORK_DIR'];
55 |
56 | unless File.exist?(copied_framework_path)
57 | FileUtils.cp_r(File.join(cached_framework_dir, 'Flutter.framework'), copied_flutter_dir)
58 | end
59 | unless File.exist?(copied_podspec_path)
60 | FileUtils.cp(File.join(cached_framework_dir, 'Flutter.podspec'), copied_flutter_dir)
61 | end
62 | end
63 |
64 | # Keep pod path relative so it can be checked into Podfile.lock.
65 | pod 'Flutter', :path => 'Flutter'
66 |
67 | # Plugin Pods
68 |
69 | # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
70 | # referring to absolute paths on developers' machines.
71 | system('rm -rf .symlinks')
72 | system('mkdir -p .symlinks/plugins')
73 | plugin_pods = parse_KV_file('../.flutter-plugins')
74 | plugin_pods.each do |name, path|
75 | symlink = File.join('.symlinks', 'plugins', name)
76 | File.symlink(path, symlink)
77 | pod name, :path => File.join(symlink, 'ios')
78 | end
79 | end
80 |
81 | post_install do |installer|
82 | installer.pods_project.targets.each do |target|
83 | target.build_configurations.each do |config|
84 | config.build_settings['ENABLE_BITCODE'] = 'NO'
85 | end
86 | end
87 | end
88 |
--------------------------------------------------------------------------------
/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme:
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--------------------------------------------------------------------------------
/example/lib/main.dart:
--------------------------------------------------------------------------------
1 |
2 | import 'package:flutter/material.dart';
3 | import 'package:sys_volume/flutter_volume.dart';
4 |
5 | void main() => runApp(MyApp());
6 |
7 | class MyApp extends StatefulWidget {
8 | @override
9 | _MyAppState createState() => _MyAppState();
10 | }
11 |
12 | class _MyAppState extends State {
13 | bool sliding = false;
14 | double sliderVal = 0;
15 | double volume = 0;
16 |
17 | @override
18 | void initState() {
19 | super.initState();
20 | FlutterVolume.get().then((v) {
21 | setState(() {
22 | volume = v;
23 | });
24 | });
25 | }
26 |
27 | @override
28 | Widget build(BuildContext context) {
29 | return MaterialApp(
30 | home: Scaffold(
31 | appBar: AppBar(
32 | title: const Text('Plugin example app'),
33 | ),
34 | body: VolumeWatcher(
35 | watcher: (vol) {
36 | setState(() {
37 | volume = vol.vol;
38 | });
39 | },
40 | child: Center(
41 | child: Column(
42 | children: [
43 | FlatButton(
44 | onPressed: () {
45 | FlutterVolume.up();
46 | },
47 | child: Text("up")),
48 | FlatButton(
49 | onPressed: () {
50 | FlutterVolume.down();
51 | },
52 | child: Text("down")),
53 | FlatButton(
54 | onPressed: () {
55 | FlutterVolume.mute();
56 | },
57 | child: Text("mute")),
58 | Slider(
59 | value: sliding ? sliderVal : volume,
60 | onChangeStart: (v) {
61 | setState(() {
62 | sliding = true;
63 | });
64 | },
65 | onChangeEnd: (v) {
66 | FlutterVolume.set(v).then((_) {
67 | setState(() {
68 | sliding = false;
69 | });
70 | });
71 | },
72 | onChanged: (v) {
73 | FlutterVolume.set(v);
74 | setState(() {
75 | sliderVal = v;
76 | });
77 | },
78 | ),
79 |
80 | Expanded(child: Container(),),
81 | FlatButton(
82 | onPressed: () {
83 | FlutterVolume.enableWatcher();
84 | FlutterVolume.get().then((v) {
85 | setState(() {
86 | volume = v;
87 | });
88 | });
89 | },
90 | child: Text("enable watch")),
91 | FlatButton(
92 | onPressed: () {
93 | FlutterVolume.disableWatcher();
94 | },
95 | child: Text("disable watch")),
96 | FlatButton(
97 | onPressed: () {
98 | FlutterVolume.enableUI();
99 | },
100 | child: Text("enable OS UI")),
101 | FlatButton(
102 | onPressed: () {
103 | FlutterVolume.disableUI();
104 | },
105 | child: Text("disable OS UI")),
106 | ],
107 | ),
108 | ),
109 | ),
110 | ),
111 | );
112 | }
113 | }
114 |
--------------------------------------------------------------------------------
/pubspec.lock:
--------------------------------------------------------------------------------
1 | # Generated by pub
2 | # See https://dart.dev/tools/pub/glossary#lockfile
3 | packages:
4 | async:
5 | dependency: transitive
6 | description:
7 | name: async
8 | url: "https://pub.dartlang.org"
9 | source: hosted
10 | version: "2.3.0"
11 | boolean_selector:
12 | dependency: transitive
13 | description:
14 | name: boolean_selector
15 | url: "https://pub.dartlang.org"
16 | source: hosted
17 | version: "1.0.5"
18 | charcode:
19 | dependency: transitive
20 | description:
21 | name: charcode
22 | url: "https://pub.dartlang.org"
23 | source: hosted
24 | version: "1.1.2"
25 | collection:
26 | dependency: transitive
27 | description:
28 | name: collection
29 | url: "https://pub.dartlang.org"
30 | source: hosted
31 | version: "1.14.11"
32 | flutter:
33 | dependency: "direct main"
34 | description: flutter
35 | source: sdk
36 | version: "0.0.0"
37 | flutter_test:
38 | dependency: "direct dev"
39 | description: flutter
40 | source: sdk
41 | version: "0.0.0"
42 | matcher:
43 | dependency: transitive
44 | description:
45 | name: matcher
46 | url: "https://pub.dartlang.org"
47 | source: hosted
48 | version: "0.12.5"
49 | meta:
50 | dependency: transitive
51 | description:
52 | name: meta
53 | url: "https://pub.dartlang.org"
54 | source: hosted
55 | version: "1.1.7"
56 | path:
57 | dependency: transitive
58 | description:
59 | name: path
60 | url: "https://pub.dartlang.org"
61 | source: hosted
62 | version: "1.6.4"
63 | pedantic:
64 | dependency: transitive
65 | description:
66 | name: pedantic
67 | url: "https://pub.dartlang.org"
68 | source: hosted
69 | version: "1.8.0+1"
70 | quiver:
71 | dependency: transitive
72 | description:
73 | name: quiver
74 | url: "https://pub.dartlang.org"
75 | source: hosted
76 | version: "2.0.5"
77 | sky_engine:
78 | dependency: transitive
79 | description: flutter
80 | source: sdk
81 | version: "0.0.99"
82 | source_span:
83 | dependency: transitive
84 | description:
85 | name: source_span
86 | url: "https://pub.dartlang.org"
87 | source: hosted
88 | version: "1.5.5"
89 | stack_trace:
90 | dependency: transitive
91 | description:
92 | name: stack_trace
93 | url: "https://pub.dartlang.org"
94 | source: hosted
95 | version: "1.9.3"
96 | stream_channel:
97 | dependency: transitive
98 | description:
99 | name: stream_channel
100 | url: "https://pub.dartlang.org"
101 | source: hosted
102 | version: "2.0.0"
103 | string_scanner:
104 | dependency: transitive
105 | description:
106 | name: string_scanner
107 | url: "https://pub.dartlang.org"
108 | source: hosted
109 | version: "1.0.5"
110 | term_glyph:
111 | dependency: transitive
112 | description:
113 | name: term_glyph
114 | url: "https://pub.dartlang.org"
115 | source: hosted
116 | version: "1.1.0"
117 | test_api:
118 | dependency: transitive
119 | description:
120 | name: test_api
121 | url: "https://pub.dartlang.org"
122 | source: hosted
123 | version: "0.2.5"
124 | typed_data:
125 | dependency: transitive
126 | description:
127 | name: typed_data
128 | url: "https://pub.dartlang.org"
129 | source: hosted
130 | version: "1.1.6"
131 | vector_math:
132 | dependency: transitive
133 | description:
134 | name: vector_math
135 | url: "https://pub.dartlang.org"
136 | source: hosted
137 | version: "2.0.8"
138 | sdks:
139 | dart: ">=2.2.2 <3.0.0"
140 |
--------------------------------------------------------------------------------
/example/pubspec.lock:
--------------------------------------------------------------------------------
1 | # Generated by pub
2 | # See https://dart.dev/tools/pub/glossary#lockfile
3 | packages:
4 | archive:
5 | dependency: transitive
6 | description:
7 | name: archive
8 | url: "https://pub.dartlang.org"
9 | source: hosted
10 | version: "2.0.13"
11 | args:
12 | dependency: transitive
13 | description:
14 | name: args
15 | url: "https://pub.dartlang.org"
16 | source: hosted
17 | version: "1.6.0"
18 | async:
19 | dependency: transitive
20 | description:
21 | name: async
22 | url: "https://pub.dartlang.org"
23 | source: hosted
24 | version: "2.4.1"
25 | boolean_selector:
26 | dependency: transitive
27 | description:
28 | name: boolean_selector
29 | url: "https://pub.dartlang.org"
30 | source: hosted
31 | version: "2.0.0"
32 | charcode:
33 | dependency: transitive
34 | description:
35 | name: charcode
36 | url: "https://pub.dartlang.org"
37 | source: hosted
38 | version: "1.1.3"
39 | collection:
40 | dependency: transitive
41 | description:
42 | name: collection
43 | url: "https://pub.dartlang.org"
44 | source: hosted
45 | version: "1.14.12"
46 | convert:
47 | dependency: transitive
48 | description:
49 | name: convert
50 | url: "https://pub.dartlang.org"
51 | source: hosted
52 | version: "2.1.1"
53 | crypto:
54 | dependency: transitive
55 | description:
56 | name: crypto
57 | url: "https://pub.dartlang.org"
58 | source: hosted
59 | version: "2.1.4"
60 | cupertino_icons:
61 | dependency: "direct main"
62 | description:
63 | name: cupertino_icons
64 | url: "https://pub.dartlang.org"
65 | source: hosted
66 | version: "0.1.2"
67 | flutter:
68 | dependency: "direct main"
69 | description: flutter
70 | source: sdk
71 | version: "0.0.0"
72 | flutter_test:
73 | dependency: "direct dev"
74 | description: flutter
75 | source: sdk
76 | version: "0.0.0"
77 | image:
78 | dependency: transitive
79 | description:
80 | name: image
81 | url: "https://pub.dartlang.org"
82 | source: hosted
83 | version: "2.1.12"
84 | matcher:
85 | dependency: transitive
86 | description:
87 | name: matcher
88 | url: "https://pub.dartlang.org"
89 | source: hosted
90 | version: "0.12.6"
91 | meta:
92 | dependency: transitive
93 | description:
94 | name: meta
95 | url: "https://pub.dartlang.org"
96 | source: hosted
97 | version: "1.1.8"
98 | path:
99 | dependency: transitive
100 | description:
101 | name: path
102 | url: "https://pub.dartlang.org"
103 | source: hosted
104 | version: "1.6.4"
105 | petitparser:
106 | dependency: transitive
107 | description:
108 | name: petitparser
109 | url: "https://pub.dartlang.org"
110 | source: hosted
111 | version: "2.4.0"
112 | quiver:
113 | dependency: transitive
114 | description:
115 | name: quiver
116 | url: "https://pub.dartlang.org"
117 | source: hosted
118 | version: "2.1.3"
119 | sky_engine:
120 | dependency: transitive
121 | description: flutter
122 | source: sdk
123 | version: "0.0.99"
124 | source_span:
125 | dependency: transitive
126 | description:
127 | name: source_span
128 | url: "https://pub.dartlang.org"
129 | source: hosted
130 | version: "1.7.0"
131 | stack_trace:
132 | dependency: transitive
133 | description:
134 | name: stack_trace
135 | url: "https://pub.dartlang.org"
136 | source: hosted
137 | version: "1.9.3"
138 | stream_channel:
139 | dependency: transitive
140 | description:
141 | name: stream_channel
142 | url: "https://pub.dartlang.org"
143 | source: hosted
144 | version: "2.0.0"
145 | string_scanner:
146 | dependency: transitive
147 | description:
148 | name: string_scanner
149 | url: "https://pub.dartlang.org"
150 | source: hosted
151 | version: "1.0.5"
152 | sys_volume:
153 | dependency: "direct dev"
154 | description:
155 | path: ".."
156 | relative: true
157 | source: path
158 | version: "0.1.0"
159 | term_glyph:
160 | dependency: transitive
161 | description:
162 | name: term_glyph
163 | url: "https://pub.dartlang.org"
164 | source: hosted
165 | version: "1.1.0"
166 | test_api:
167 | dependency: transitive
168 | description:
169 | name: test_api
170 | url: "https://pub.dartlang.org"
171 | source: hosted
172 | version: "0.2.15"
173 | typed_data:
174 | dependency: transitive
175 | description:
176 | name: typed_data
177 | url: "https://pub.dartlang.org"
178 | source: hosted
179 | version: "1.1.6"
180 | vector_math:
181 | dependency: transitive
182 | description:
183 | name: vector_math
184 | url: "https://pub.dartlang.org"
185 | source: hosted
186 | version: "2.0.8"
187 | xml:
188 | dependency: transitive
189 | description:
190 | name: xml
191 | url: "https://pub.dartlang.org"
192 | source: hosted
193 | version: "3.6.1"
194 | sdks:
195 | dart: ">=2.6.0 <3.0.0"
196 |
--------------------------------------------------------------------------------
/lib/flutter_volume.dart:
--------------------------------------------------------------------------------
1 | //MIT License
2 | //
3 | //Copyright (c) [2019] [Befovy]
4 | //
5 | //Permission is hereby granted, free of charge, to any person obtaining a copy
6 | //of this software and associated documentation files (the "Software"), to deal
7 | //in the Software without restriction, including without limitation the rights
8 | //to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 | //copies of the Software, and to permit persons to whom the Software is
10 | //furnished to do so, subject to the following conditions:
11 | //
12 | //The above copyright notice and this permission notice shall be included in all
13 | //copies or substantial portions of the Software.
14 | //
15 | //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | //IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | //FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | //AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | //LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | //SOFTWARE.
22 |
23 | import 'dart:async';
24 |
25 | import 'package:flutter/services.dart';
26 | import 'package:flutter/widgets.dart';
27 |
28 | @immutable
29 | class VolumeVal {
30 | final double vol;
31 | final int type;
32 |
33 | VolumeVal({
34 | @required this.vol,
35 | @required this.type,
36 | }) : assert(vol != null),
37 | assert(type != null);
38 |
39 | @override
40 | bool operator ==(Object other) =>
41 | identical(this, other) ||
42 | (other is VolumeVal && hashCode == other.hashCode);
43 |
44 | @override
45 | int get hashCode => hashValues(vol, type);
46 | }
47 |
48 | class _VolumeValueNotifier extends ValueNotifier {
49 | _VolumeValueNotifier(VolumeVal value) : super(value);
50 | }
51 |
52 | typedef VolumeCallback = void Function(VolumeVal value);
53 |
54 | class FlutterVolume {
55 | static const int STREAM_VOICE_CALL = 0;
56 | static const int STREAM_SYSTEM = 1;
57 | static const int STREAM_RING = 2;
58 | static const int STREAM_MUSIC = 3;
59 | static const int STREAM_ALARM = 4;
60 |
61 | static const double _step = 1.0 / 16.0;
62 | static const MethodChannel _channel =
63 | const MethodChannel('com.befovy.flutter_volume');
64 |
65 | static _VolumeValueNotifier _notifier =
66 | _VolumeValueNotifier(VolumeVal(vol: 0, type: 0));
67 |
68 | static StreamSubscription _eventSubs;
69 |
70 | static void enableWatcher() async {
71 | if (_eventSubs == null) {
72 | await _channel.invokeMethod("enable_watch");
73 | _eventSubs = EventChannel('com.befovy.flutter_volume/event')
74 | .receiveBroadcastStream()
75 | .listen(_eventListener, onError: _errorListener);
76 | }
77 | }
78 |
79 | static void disableWatcher() async {
80 | _eventSubs?.cancel();
81 | await _channel.invokeMethod("disable_watch");
82 | _eventSubs = null;
83 | }
84 |
85 | static Future enableUI() {
86 | return _channel.invokeMethod("enable_ui");
87 | }
88 |
89 | static Future disableUI() {
90 | return _channel.invokeMethod("disable_ui");
91 | }
92 |
93 | static void _eventListener(dynamic event) {
94 | final Map map = event;
95 | switch (map['event']) {
96 | case 'vol':
97 | double vol = map['v'];
98 | int type = map['t'];
99 | _notifier.value = VolumeVal(vol: vol, type: type);
100 | break;
101 | default:
102 | break;
103 | }
104 | }
105 |
106 | static void _errorListener(Object obj) {
107 | print("errorListener: $obj");
108 | }
109 |
110 | static Future up({
111 | double step = _step,
112 | int type = STREAM_MUSIC,
113 | }) {
114 | return _channel.invokeMethod("up", {
115 | 'step': step,
116 | 'type': type,
117 | });
118 | }
119 |
120 | static Future down({
121 | double step = _step,
122 | int type = STREAM_MUSIC,
123 | }) {
124 | return _channel.invokeMethod("down", {
125 | 'step': step,
126 | 'type': type,
127 | });
128 | }
129 |
130 | static Future mute({
131 | int type = STREAM_MUSIC,
132 | }) {
133 | return _channel.invokeMethod("mute", {
134 | 'type': type,
135 | });
136 | }
137 |
138 | static Future get({
139 | int type = STREAM_MUSIC,
140 | }) {
141 | return _channel.invokeMethod("get", {
142 | 'type': type,
143 | });
144 | }
145 |
146 | static Future set(double vol, {int type = STREAM_MUSIC}) {
147 | return _channel.invokeMethod("set", {
148 | 'vol': vol,
149 | 'type': type,
150 | });
151 | }
152 |
153 | static void addVolListener(VoidCallback listener) {
154 | _notifier.addListener(listener);
155 | }
156 |
157 | static void removeVolListener(VoidCallback listener) {
158 | _notifier.removeListener(listener);
159 | }
160 |
161 | static VolumeVal get value => _notifier.value;
162 | }
163 |
164 | class VolumeWatcher extends StatefulWidget {
165 | final VolumeCallback watcher;
166 | final Widget child;
167 |
168 | VolumeWatcher({
169 | @required this.watcher,
170 | @required this.child,
171 | }) : assert(child != null),
172 | assert(watcher != null);
173 |
174 | @override
175 | _VolumeWatcherState createState() => _VolumeWatcherState();
176 | }
177 |
178 | class _VolumeWatcherState extends State {
179 | @override
180 | void initState() {
181 | super.initState();
182 | FlutterVolume.enableWatcher();
183 | FlutterVolume.addVolListener(_volListener);
184 | }
185 |
186 | void _volListener() {
187 | VolumeVal value = FlutterVolume.value;
188 | widget.watcher(value);
189 | }
190 |
191 | @override
192 | void dispose() {
193 | super.dispose();
194 | FlutterVolume.removeVolListener(_volListener);
195 | }
196 |
197 | @override
198 | Widget build(BuildContext context) {
199 | return widget.child;
200 | }
201 | }
202 |
--------------------------------------------------------------------------------
/ios/Classes/FlutterVolumePlugin.m:
--------------------------------------------------------------------------------
1 | //MIT License
2 | //
3 | //Copyright (c) [2019] [Befovy]
4 | //
5 | //Permission is hereby granted, free of charge, to any person obtaining a copy
6 | //of this software and associated documentation files (the "Software"), to deal
7 | //in the Software without restriction, including without limitation the rights
8 | //to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 | //copies of the Software, and to permit persons to whom the Software is
10 | //furnished to do so, subject to the following conditions:
11 | //
12 | //The above copyright notice and this permission notice shall be included in all
13 | //copies or substantial portions of the Software.
14 | //
15 | //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | //IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | //FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | //AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | //LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | //SOFTWARE.
22 |
23 | #import "FlutterVolumePlugin.h"
24 | #import "QueuingEventSink.h"
25 | #import
26 | #import
27 | #import
28 |
29 | @implementation FlutterVolumePlugin {
30 | NSObject *_registrar;
31 | QueuingEventSink *_eventSink;
32 | FlutterEventChannel *_eventChannel;
33 |
34 | MPVolumeView *_volumeView;
35 | UISlider *_volumeViewSlider;
36 | BOOL _volumeInWindow;
37 | BOOL _eventListening;
38 | BOOL _enable_ui;
39 | float _volStep;
40 | }
41 |
42 | + (void)registerWithRegistrar:(NSObject *)registrar {
43 |
44 | FlutterMethodChannel *channel =
45 | [FlutterMethodChannel methodChannelWithName:@"com.befovy.flutter_volume"
46 | binaryMessenger:[registrar messenger]];
47 | FlutterVolumePlugin *instance =
48 | [[FlutterVolumePlugin alloc] initWithRegistrar:registrar];
49 | [registrar addMethodCallDelegate:instance channel:channel];
50 | }
51 |
52 | - (instancetype)initWithRegistrar:
53 | (NSObject *)registrar {
54 | self = [super init];
55 | if (self) {
56 | _registrar = registrar;
57 | _eventListening = FALSE;
58 | _volStep = 1.0 / 16.0;
59 | _enable_ui = TRUE;
60 | _eventSink = [[QueuingEventSink alloc] init];
61 | }
62 | return self;
63 | }
64 |
65 | - (void)handleMethodCall:(FlutterMethodCall *)call
66 | result:(FlutterResult)result {
67 | NSDictionary *argsMap = call.arguments;
68 |
69 | if ([@"up" isEqualToString:call.method]) {
70 | NSNumber *number = argsMap[@"step"];
71 | float step = number == nil ? _volStep : [number floatValue];
72 | float vol = [self getVolume];
73 | vol += step;
74 | vol = [self setVolume:vol];
75 | result(@(vol));
76 | } else if ([@"down" isEqualToString:call.method]) {
77 | NSNumber *number = argsMap[@"step"];
78 | float step = number == nil ? _volStep : [number floatValue];
79 | float vol = [self getVolume];
80 | vol -= step;
81 | vol = [self setVolume:vol];
82 | result(@(vol));
83 | } else if ([@"mute" isEqualToString:call.method]) {
84 | float vol = [self setVolume:0.0f];
85 | result(@(vol));
86 | } else if ([@"set" isEqualToString:call.method]) {
87 | NSNumber *number = argsMap[@"vol"];
88 | float v = number == nil ? [self getVolume] : [number floatValue];
89 | v = [self setVolume:v];
90 | result(@(v));
91 | } else if ([@"get" isEqualToString:call.method]) {
92 | result(@([self getVolume]));
93 | } else if ([@"enable_watch" isEqualToString:call.method]) {
94 | [self enableWatch];
95 | result(nil);
96 | } else if ([@"disable_watch" isEqualToString:call.method]) {
97 | [self disableWatch];
98 | result(nil);
99 | } else if ([@"enable_ui" isEqualToString:call.method]) {
100 | if (_volumeView != nil)
101 | _volumeView.hidden = TRUE;
102 | else
103 | NSLog(@"enable ui failed, null volume view");
104 | result(nil);
105 | } else if ([@"disable_ui" isEqualToString:call.method]) {
106 | if (_volumeView != nil)
107 | _volumeView.hidden = FALSE;
108 | else
109 | NSLog(@"enable ui failed, null volume view");
110 | result(nil);
111 | }
112 | }
113 |
114 | - (void)initVolumeView {
115 | if (_volumeView == nil) {
116 | _volumeView =
117 | [[MPVolumeView alloc] initWithFrame:CGRectMake(-100, -100, 10, 10)];
118 | _volumeView.hidden = YES;
119 | }
120 | if (_volumeViewSlider == nil) {
121 | for (UIView *view in [_volumeView subviews]) {
122 | if ([view.class.description isEqualToString:@"MPVolumeSlider"]) {
123 | _volumeViewSlider = (UISlider *)view;
124 | _volumeViewSlider.value = [AVAudioSession sharedInstance].outputVolume;
125 | break;
126 | }
127 | }
128 | }
129 | if (!_volumeInWindow) {
130 | UIWindow *window = UIApplication.sharedApplication.keyWindow;
131 | if (window != nil) {
132 | [window addSubview:_volumeView];
133 | _volumeInWindow = YES;
134 | }
135 | }
136 | }
137 |
138 | - (float)getVolume {
139 | [self initVolumeView];
140 | if (_volumeViewSlider == nil) {
141 | AVAudioSession *audioSession = [AVAudioSession sharedInstance];
142 | CGFloat currentVol = audioSession.outputVolume;
143 | return currentVol;
144 | } else {
145 | return _volumeViewSlider.value;
146 | }
147 | }
148 |
149 | - (float)setVolume:(float)vol {
150 | [self initVolumeView];
151 | if (vol > 1.0) {
152 | vol = 1.0;
153 | } else if (vol < 0) {
154 | vol = 0.0;
155 | }
156 | [_volumeViewSlider setValue:vol animated:FALSE];
157 | vol = _volumeViewSlider.value;
158 | return vol;
159 | }
160 |
161 | - (void)enableWatch {
162 | if (_eventListening == NO) {
163 | _eventListening = YES;
164 |
165 | [[NSNotificationCenter defaultCenter]
166 | addObserver:self
167 | selector:@selector(volumeChange:)
168 | name:@"AVSystemController_SystemVolumeDidChangeNotification"
169 | object:nil];
170 |
171 | _eventChannel = [FlutterEventChannel
172 | eventChannelWithName:@"com.befovy.flutter_volume/event"
173 | binaryMessenger:[_registrar messenger]];
174 | [_eventChannel setStreamHandler:self];
175 | }
176 | }
177 |
178 | - (void)disableWatch {
179 | if (_eventListening == YES) {
180 | _eventListening = NO;
181 |
182 | [[NSNotificationCenter defaultCenter]
183 | removeObserver:self
184 | name:@"AVSystemController_SystemVolumeDidChangeNotification"
185 | object:nil];
186 | [_eventChannel setStreamHandler:nil];
187 | _eventChannel = nil;
188 | }
189 | }
190 |
191 | - (void)volumeChange:(NSNotification *)notification {
192 | NSString *style = [notification.userInfo
193 | objectForKey:@"AVSystemController_AudioCategoryNotificationParameter"];
194 | CGFloat value = [[notification.userInfo
195 | objectForKey:@"AVSystemController_AudioVolumeNotificationParameter"]
196 | doubleValue];
197 | if ([style isEqualToString:@"Audio/Video"]) {
198 | [self sendVolumeChange:value];
199 | }
200 | }
201 |
202 | - (void)sendVolumeChange:(float)value {
203 | if (_eventListening) {
204 | NSLog(@"volume val %f\n", value);
205 | [_eventSink success:@{@"event" : @"vol", @"v" : @(value), @"t": @(3)}];
206 | }
207 | }
208 |
209 | - (FlutterError *_Nullable)onCancelWithArguments:(id _Nullable)arguments {
210 | [_eventSink setDelegate:nil];
211 | return nil;
212 | }
213 |
214 | - (FlutterError *_Nullable)onListenWithArguments:(id _Nullable)arguments
215 | eventSink:
216 | (nonnull FlutterEventSink)events {
217 | [_eventSink setDelegate:events];
218 | return nil;
219 | }
220 |
221 | @end
222 |
--------------------------------------------------------------------------------
/android/src/main/kotlin/com/befovy/flutter_volume/FlutterVolumePlugin.kt:
--------------------------------------------------------------------------------
1 | package com.befovy.flutter_volume
2 |
3 | import android.content.BroadcastReceiver
4 | import android.content.Context
5 | import android.content.Intent
6 | import android.content.IntentFilter
7 | import android.media.AudioManager
8 | import android.view.KeyEvent
9 | import io.flutter.plugin.common.EventChannel
10 | import io.flutter.plugin.common.MethodCall
11 | import io.flutter.plugin.common.MethodChannel
12 | import io.flutter.plugin.common.MethodChannel.MethodCallHandler
13 | import io.flutter.plugin.common.MethodChannel.Result
14 | import io.flutter.plugin.common.PluginRegistry.Registrar
15 | import java.lang.ref.WeakReference
16 | import kotlin.math.max
17 | import kotlin.math.min
18 |
19 | interface VolumeKeyListener {
20 | fun onVolumeKeyDown(keyCode: Int, event: KeyEvent): Boolean
21 | }
22 |
23 | interface CanListenVolumeKey {
24 | fun setVolumeKeyListener(listener: VolumeKeyListener?)
25 | }
26 |
27 |
28 | class FlutterVolumePlugin(registrar: Registrar) : MethodCallHandler, VolumeKeyListener {
29 | companion object {
30 | @JvmStatic
31 | fun registerWith(registrar: Registrar) {
32 | val channel = MethodChannel(registrar.messenger(), "com.befovy.flutter_volume")
33 |
34 | plugin = FlutterVolumePlugin(registrar)
35 | channel.setMethodCallHandler(plugin)
36 | }
37 |
38 | private const val VOLUME_CHANGED_ACTION = "android.media.VOLUME_CHANGED_ACTION"
39 |
40 | private lateinit var plugin: FlutterVolumePlugin
41 | }
42 |
43 | private val mRegistrar: Registrar = registrar
44 | private val mEventSink = QueuingEventSink()
45 | private var mEventChannel: EventChannel? = null
46 | private var mWatching: Boolean = false
47 | private var mEnableUI: Boolean = true
48 | private var mVolumeReceiver: VolumeReceiver? = null
49 |
50 |
51 | private var volStep = 1.0f / 16.0f
52 |
53 | private var minStep: Float = 0.0f
54 |
55 | init {
56 | val max = audioManager().getStreamMaxVolume(AudioManager.STREAM_MUSIC)
57 | minStep = 1.0f / max.toFloat()
58 | volStep = max(minStep, volStep)
59 | }
60 |
61 | override fun onMethodCall(call: MethodCall, result: Result) {
62 | when (call.method) {
63 | "up" -> {
64 | var stepUp = volStep
65 | if (call.hasArgument("step")) {
66 | val step = call.argument("step")
67 | stepUp = step?.toFloat() ?: stepUp
68 | }
69 | stepUp = max(minStep, stepUp)
70 | result.success(volumeUp(stepUp))
71 | }
72 | "down" -> {
73 | var stepDown = volStep
74 | if (call.hasArgument("step")) {
75 | val step = call.argument("step")
76 | stepDown = step?.toFloat() ?: stepDown
77 | }
78 | stepDown = max(minStep, stepDown)
79 | result.success(volumeUp(-stepDown))
80 | }
81 | "mute" -> {
82 | result.success(setVolume(0.0f))
83 | }
84 | "get" -> {
85 | result.success(getVolume())
86 | }
87 | "set" -> {
88 | var vol = getVolume()
89 | if (call.hasArgument("vol")) {
90 | val v = call.argument("vol")
91 | vol = setVolume(v!!.toFloat())
92 | }
93 | result.success(vol)
94 | }
95 | "enable_watch" -> {
96 | enableWatch()
97 | result.success(null)
98 | }
99 | "disable_watch" -> {
100 | disableWatch()
101 | result.success(null)
102 | }
103 | "enable_ui" -> {
104 | mEnableUI = true
105 | result.success(null)
106 | }
107 | "disable_ui" -> {
108 | mEnableUI = false
109 | result.success(null)
110 | }
111 | else -> result.notImplemented()
112 | }
113 | }
114 |
115 | private fun audioManager(): AudioManager {
116 | val activity = mRegistrar.activity()
117 | return activity.getSystemService(Context.AUDIO_SERVICE) as AudioManager
118 | }
119 |
120 | private val flag: Int
121 | get() {
122 | return if (mEnableUI) AudioManager.FLAG_SHOW_UI else 0
123 | }
124 |
125 | fun getVolume(type: Int = AudioManager.STREAM_MUSIC): Float {
126 | val audioManager = audioManager()
127 | val max = audioManager.getStreamMaxVolume(type).toFloat()
128 | val vol = audioManager.getStreamVolume(type).toFloat()
129 | return vol / max
130 | }
131 |
132 | private fun setVolume(vol: Float, type: Int = AudioManager.STREAM_MUSIC): Float {
133 | val audioManager = audioManager()
134 | val max = audioManager.getStreamMaxVolume(type)
135 | var volIndex = (vol * max).toInt()
136 | volIndex = min(volIndex, max)
137 | volIndex = max(volIndex, 0)
138 | audioManager.setStreamVolume(type, volIndex, flag)
139 | return volIndex.toFloat() / max.toFloat()
140 | }
141 |
142 | private fun volumeUp(step: Float, type: Int = AudioManager.STREAM_MUSIC): Float {
143 | var vol = getVolume(type) + step
144 | vol = setVolume(vol, type)
145 | return vol
146 | }
147 |
148 | private fun enableWatch() {
149 |
150 | if (!mWatching) {
151 | mWatching = true
152 | mEventChannel = EventChannel(mRegistrar.messenger(), "com.befovy.flutter_volume/event")
153 | mEventChannel!!.setStreamHandler(object : EventChannel.StreamHandler {
154 | override fun onListen(o: Any?, eventSink: EventChannel.EventSink) {
155 | mEventSink.setDelegate(eventSink)
156 | }
157 |
158 | override fun onCancel(o: Any?) {
159 | mEventSink.setDelegate(null)
160 | }
161 | })
162 |
163 | val activity = mRegistrar.activity()
164 | if (activity is CanListenVolumeKey) {
165 | activity.setVolumeKeyListener(this)
166 | }
167 | mVolumeReceiver = VolumeReceiver(this)
168 | val filter = IntentFilter()
169 | filter.addAction(VOLUME_CHANGED_ACTION)
170 | mRegistrar.activeContext().registerReceiver(mVolumeReceiver, filter)
171 | }
172 |
173 | }
174 |
175 | private fun disableWatch() {
176 | if (mWatching) {
177 | mWatching = false
178 | mEventChannel!!.setStreamHandler(null)
179 | mEventChannel = null
180 |
181 | val activity = mRegistrar.activity()
182 | if (activity is CanListenVolumeKey) {
183 | activity.setVolumeKeyListener(null)
184 | }
185 |
186 | mRegistrar.activeContext().unregisterReceiver(mVolumeReceiver)
187 | mVolumeReceiver = null
188 | }
189 | }
190 |
191 | fun sink(event: Any) {
192 | mEventSink.success(event)
193 | }
194 |
195 | override fun onVolumeKeyDown(keyCode: Int, event: KeyEvent): Boolean {
196 | when (keyCode) {
197 | KeyEvent.KEYCODE_VOLUME_MUTE -> setVolume(0.0f)
198 | KeyEvent.KEYCODE_VOLUME_UP -> volumeUp(minStep)
199 | KeyEvent.KEYCODE_VOLUME_DOWN -> volumeUp(-minStep)
200 | }
201 | return true
202 | }
203 | }
204 |
205 |
206 | private class VolumeReceiver(plugin: FlutterVolumePlugin) : BroadcastReceiver() {
207 | private var mPlugin: WeakReference = WeakReference(plugin)
208 |
209 | override fun onReceive(context: Context, intent: Intent) {
210 | if (intent.action == "android.media.VOLUME_CHANGED_ACTION") {
211 | val plugin = mPlugin.get()
212 | if (plugin != null) {
213 | val volume = plugin.getVolume()
214 | val event: MutableMap = mutableMapOf()
215 | event["event"] = "vol"
216 | event["v"] = volume
217 | event["t"] = AudioManager.STREAM_MUSIC
218 | plugin.sink(event)
219 | }
220 | }
221 | }
222 | }
223 |
--------------------------------------------------------------------------------
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