├── .gitignore ├── CHANGELOG.md ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── ir │ │ └── logicbase │ │ └── livex │ │ └── app │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── ir │ │ │ └── logicbase │ │ │ └── livex │ │ │ └── app │ │ │ ├── Extensions.kt │ │ │ ├── FirstFragment.kt │ │ │ ├── MainActivity.kt │ │ │ ├── MainViewModel.kt │ │ │ └── SecondFragment.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ ├── activity_main.xml │ │ ├── fragment_first.xml │ │ └── fragment_second.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── navigation │ │ └── nav_graph.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── ir │ └── logicbase │ └── livex │ └── app │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── img └── screenshot.png ├── livex ├── .gitignore ├── build.gradle ├── consumer-rules.pro ├── proguard-rules.pro └── src │ ├── main │ ├── AndroidManifest.xml │ └── java │ │ └── ir │ │ └── logicbase │ │ └── livex │ │ ├── Extensions.kt │ │ ├── LiveEvent.kt │ │ ├── OneShotLiveEvent.kt │ │ └── SingleLiveEvent.kt │ └── test │ └── java │ └── ir │ └── logicbase │ └── livex │ └── ExampleUnitTest.kt ├── settings.gradle └── versions.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | # Created by https://www.gitignore.io/api/androidstudio 2 | 3 | ### AndroidStudio ### 4 | # Covers files to be ignored for android development using Android Studio. 5 | 6 | # Built application files 7 | *.apk 8 | *.ap_ 9 | 10 | # Files for the ART/Dalvik VM 11 | *.dex 12 | 13 | # Java class files 14 | *.class 15 | 16 | # Generated files 17 | bin/ 18 | gen/ 19 | out/ 20 | 21 | # Gradle files 22 | .gradle 23 | .gradle/ 24 | build/ 25 | 26 | # Signing files 27 | .signing/ 28 | 29 | # Local configuration file (sdk path, etc) 30 | local.properties 31 | 32 | # Proguard folder generated by Eclipse 33 | proguard/ 34 | 35 | # Log Files 36 | *.log 37 | 38 | # Android Studio 39 | /*/build/ 40 | /*/local.properties 41 | /*/out 42 | /*/*/build 43 | /*/*/production 44 | captures/ 45 | .navigation/ 46 | *.ipr 47 | *~ 48 | *.swp 49 | 50 | # Android Patch 51 | gen-external-apklibs 52 | 53 | # External native build folder generated in Android Studio 2.2 and later 54 | .externalNativeBuild 55 | 56 | # NDK 57 | obj/ 58 | 59 | ### Windows ### 60 | 61 | # Folder config file 62 | Desktop.ini 63 | 64 | # Recycle Bin used on file shares 65 | $RECYCLE.BIN/ 66 | 67 | # Windows Installer files 68 | *.cab 69 | *.msi 70 | *.msm 71 | *.msp 72 | 73 | # Windows shortcuts 74 | *.lnk 75 | 76 | ### Linux ### 77 | *~ 78 | 79 | # KDE directory preferences 80 | .directory 81 | 82 | # Linux trash folder which might appear on any partition or disk 83 | .Trash-* 84 | 85 | # IntelliJ IDEA 86 | *.iml 87 | *.iws 88 | /out/ 89 | 90 | # User-specific configurations 91 | .idea/ 92 | # if you remove the above rule, at least ignore the following: 93 | #.idea/libraries/ 94 | #.idea/workspace.xml 95 | #.idea/tasks.xml 96 | #.idea/.name 97 | #.idea/compiler.xml 98 | #.idea/copyright/profiles_settings.xml 99 | #.idea/encodings.xml 100 | #.idea/misc.xml 101 | #.idea/modules.xml 102 | #.idea/scopes/scope_settings.xml 103 | #.idea/dictionaries 104 | #.idea/vcs.xml 105 | #.idea/jsLibraryMappings.xml 106 | #.idea/datasources.xml 107 | #.idea/dataSources.ids 108 | #.idea/sqlDataSources.xml 109 | #.idea/dynamic.xml 110 | #.idea/uiDesigner.xml 111 | 112 | # OS-specific files 113 | .DS_Store 114 | .DS_Store? 115 | ._* 116 | .Spotlight-V100 117 | .Trashes 118 | ehthumbs.db 119 | Thumbs.db 120 | 121 | # Legacy Eclipse project files 122 | .classpath 123 | .project 124 | 125 | # Mobile Tools for Java (J2ME) 126 | .mtj.tmp/ 127 | 128 | # Package Files # 129 | *.jar 130 | *.war 131 | *.ear 132 | 133 | # virtual machine crash logs (Reference: http://www.java.com/en/download/help/error_hotspot.xml) 134 | hs_err_pid* 135 | 136 | ## Plugin-specific files: 137 | 138 | # mpeltonen/sbt-idea plugin 139 | .idea_modules/ 140 | 141 | # JIRA plugin 142 | atlassian-ide-plugin.xml 143 | 144 | # Mongo Explorer plugin 145 | .idea/mongoSettings.xml 146 | 147 | # Keystore 148 | release.keystore.jks 149 | debug.keystore 150 | debug.keystore.properties 151 | production.keystore.properties 152 | stage.keystore.properties 153 | .jks 154 | 155 | # env 156 | env.properties 157 | 158 | # dependency graph generator 159 | dig/ 160 | 161 | # Crashlytics plugin (for Android Studio and IntelliJ) 162 | com_crashlytics_export_strings.xml 163 | crashlytics.properties 164 | crashlytics-build.properties 165 | fabric.properties 166 | 167 | ### AndroidStudio Patch ### 168 | 169 | !/gradle/wrapper/gradle-wrapper.jar 170 | 171 | # End of https://www.gitignore.io/api/androidstudio 172 | true/values/com_crashlytics_build_id.xml 173 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | # Changelog 2 | ## 1.1.1 3 | - Add option to allow/prevent late observe 4 | 5 | ## 1.1.0 6 | - Accept late observe in LiveEvent and OneShotLiveEvent 7 | 8 | ## 1.0.1 9 | - Move call() to a single extension function 10 | 11 | ## 1.0.0 12 | - First stable version -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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LiveX 3 | 4 | Collection of LiveData extensions for android to better handle event driven tasks 5 | 6 | LiveData | LiveEvent | OneShotLiveEvent | SingleLiveEvent 7 | :-----------:|:--------------:|:--------------------:|:--------------------: 8 | Multiple observers can register, all of them receive the event based on lifecycle | Multiple observers can register, each one receive the event only once | Only one observer can register and receive the event only once | Multiple observers can register, only the first one receive the event 9 | 10 | # Dependency 11 | Top level build.gradle 12 | ```groovy 13 | allprojects { 14 | repositories { 15 | ... 16 | maven { url 'https://jitpack.io' } 17 | } 18 | } 19 | ``` 20 | 21 | Module level build.gradle 22 | ```groovy 23 | dependencies { 24 | implementation "com.github.javaherisaber:LiveX:$versions.liveX" 25 | } 26 | ``` 27 | 28 | # How to use 29 | ```kotlin 30 | class MyViewModel : ViewModel() { 31 | private val _data = MutableLiveData() 32 | val data: LiveData = _data 33 | 34 | private val _clickedOnAButton = OneShotLiveEvent() 35 | val clickedOnAButton: LiveData = _clickedOnAButton 36 | 37 | private val _filtered = LiveEvent() 38 | val filtered: LiveData = _filtered 39 | 40 | private val _searched = SingleLiveEvent() 41 | val searched: LiveData = _searched 42 | 43 | fun foo() { 44 | // we need this data on every lifecycle change 45 | _data.value = "Data to be shown every time" 46 | 47 | // clicking on the button to test OneShotLiveEvent 48 | _clickedOnAButton.call() 49 | 50 | // filtering results for multiple listeners of the LiveEvent 51 | _filtered.value = "Some Filter" 52 | 53 | // search result must be shown to the first listener of the SingleLiveEvent 54 | _searched.value = "Input of the user" 55 | } 56 | } 57 | 58 | class SomeView : Fragment() { 59 | val viewModel: MyViewModel by activityViewModels() 60 | 61 | override fun onViewCreated(view: View, savedInstanceState: Bundle?) { 62 | super.onViewCreated(view, savedInstanceState) 63 | 64 | viewModel.data.observe(viewLifecycleOwner) { data -> 65 | // use data to display information on the screen for every lifecycle change 66 | } 67 | 68 | viewModel.clickedOnAButton.observe(viewLifecycleOwner) { 69 | // do something for button click 70 | } 71 | 72 | viewModel.filtered.observe(viewLifecycleOwner) { filter -> 73 | // you can use the [filter] value here 74 | } 75 | 76 | viewModel.searched.observe(viewLifecycleOwner) { query -> 77 | // the [query] is ready to be applied 78 | } 79 | } 80 | } 81 | ``` 82 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | apply plugin: 'kotlin-android' 3 | apply plugin: 'kotlin-android-extensions' 4 | 5 | android { 6 | compileSdkVersion config.compileSdk 7 | defaultConfig { 8 | minSdkVersion config.minSdk 9 | targetSdkVersion config.targetSdk 10 | versionCode 1 11 | versionName "1.0.0" 12 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 13 | } 14 | buildFeatures { 15 | dataBinding true 16 | } 17 | buildTypes { 18 | release { 19 | minifyEnabled false 20 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 21 | } 22 | } 23 | compileOptions { 24 | sourceCompatibility JavaVersion.VERSION_1_8 25 | targetCompatibility JavaVersion.VERSION_1_8 26 | } 27 | kotlinOptions { 28 | jvmTarget = '1.8' 29 | } 30 | } 31 | 32 | dependencies { 33 | implementation fileTree(dir: "libs", include: ["*.jar"]) 34 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$versions.kotlin" 35 | testImplementation "junit:junit:$versions.junit" 36 | 37 | implementation 'androidx.core:core-ktx:1.3.0' 38 | implementation 'androidx.appcompat:appcompat:1.1.0' 39 | implementation 'com.google.android.material:material:1.1.0' 40 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3' 41 | implementation 'androidx.navigation:navigation-fragment-ktx:2.3.0' 42 | implementation 'androidx.navigation:navigation-ui-ktx:2.3.0' 43 | androidTestImplementation 'androidx.test.ext:junit:1.1.1' 44 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0' 45 | 46 | implementation project(path: ':livex') 47 | } -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile -------------------------------------------------------------------------------- /app/src/androidTest/java/ir/logicbase/livex/app/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package ir.logicbase.livex.app 2 | 3 | import androidx.test.platform.app.InstrumentationRegistry 4 | import androidx.test.ext.junit.runners.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 22 | assertEquals("ir.logicbase.livex.app", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 12 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /app/src/main/java/ir/logicbase/livex/app/Extensions.kt: -------------------------------------------------------------------------------- 1 | package ir.logicbase.livex.app 2 | 3 | import android.content.Context 4 | import android.widget.TextView 5 | import androidx.lifecycle.LifecycleOwner 6 | import androidx.lifecycle.LiveData 7 | import androidx.lifecycle.Observer 8 | 9 | fun Context.observeLiveValue(owner: LifecycleOwner, event: LiveData, textView: TextView, stringRes: Int) { 10 | try { 11 | textView.text = getString(stringRes, "Observer not called") 12 | event.observe(owner, Observer { 13 | textView.text = getString(stringRes, it) 14 | }) 15 | } catch (e: IllegalStateException) { 16 | textView.text = getString(stringRes, "Not registered") 17 | } 18 | } -------------------------------------------------------------------------------- /app/src/main/java/ir/logicbase/livex/app/FirstFragment.kt: -------------------------------------------------------------------------------- 1 | package ir.logicbase.livex.app 2 | 3 | import android.os.Bundle 4 | import android.view.LayoutInflater 5 | import android.view.View 6 | import android.view.ViewGroup 7 | import android.widget.Button 8 | import androidx.databinding.DataBindingUtil 9 | import androidx.fragment.app.Fragment 10 | import androidx.fragment.app.activityViewModels 11 | import androidx.navigation.fragment.findNavController 12 | import ir.logicbase.livex.app.databinding.FragmentFirstBinding 13 | import kotlinx.android.synthetic.main.fragment_first.* 14 | 15 | /** 16 | * A simple [Fragment] subclass as the default destination in the navigation. 17 | */ 18 | class FirstFragment : Fragment() { 19 | 20 | private val viewModel by activityViewModels() 21 | 22 | override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? { 23 | val binding = DataBindingUtil.inflate( 24 | inflater, R.layout.fragment_first, container, false 25 | ) 26 | binding.lifecycleOwner = viewLifecycleOwner 27 | binding.viewModel = viewModel 28 | return binding.root 29 | } 30 | 31 | override fun onViewCreated(view: View, savedInstanceState: Bundle?) { 32 | super.onViewCreated(view, savedInstanceState) 33 | 34 | view.findViewById