chore: rework examples (#4225)

* remove unused examples

* init bare example with test app

* add react-native-video

* add test app suport in expo plugin

* expo plugin: skip keys that are already in pod file

* fix podfile

* add src files

* fix metro config

* finalize react native test app configuration

* init expo example

* remove old examples

* add guide for example

* Add link to examples apps in docs

* adopt bare example to CI tests

* update CI workflows

* CI build lib after node_modules install

* fix examples readme

* fix iOS CI

* Add Example for DRM

* Update examples/README.md

* fix links

* update examples README

* sync example code

* update README

examples/expo/android/app/build.gradle

@@ -0,0 +1,204 @@
+apply plugin: "com.android.application"
+apply plugin: "org.jetbrains.kotlin.android"
+apply plugin: "com.facebook.react"
+
+def projectRoot = rootDir.getAbsoluteFile().getParentFile().getAbsolutePath()
+
+static def versionToNumber(major, minor, patch) {
+  return patch * 100 + minor * 10000 + major * 1000000
+}
+
+def getRNVersion() {
+  def version = providers.exec {
+    workingDir(projectDir)
+    commandLine("node", "-e", "console.log(require('react-native/package.json').version);")
+  }.standardOutput.asText.get().trim()
+
+  def coreVersion = version.split("-")[0]
+  def (major, minor, patch) = coreVersion.tokenize('.').collect { it.toInteger() }
+
+  return versionToNumber(
+      major,
+      minor,
+      patch
+  )
+}
+def rnVersion = getRNVersion()
+
+/**
+ * This is the configuration block to customize your React Native Android app.
+ * By default you don't need to apply any configuration, just uncomment the lines you need.
+ */
+react {
+    entryFile = file(["node", "-e", "require('expo/scripts/resolveAppEntry')", projectRoot, "android", "absolute"].execute(null, rootDir).text.trim())
+    reactNativeDir = new File(["node", "--print", "require.resolve('react-native/package.json')"].execute(null, rootDir).text.trim()).getParentFile().getAbsoluteFile()
+    hermesCommand = new File(["node", "--print", "require.resolve('react-native/package.json')"].execute(null, rootDir).text.trim()).getParentFile().getAbsolutePath() + "/sdks/hermesc/%OS-BIN%/hermesc"
+    codegenDir = new File(["node", "--print", "require.resolve('@react-native/codegen/package.json', { paths: [require.resolve('react-native/package.json')] })"].execute(null, rootDir).text.trim()).getParentFile().getAbsoluteFile()
+
+    // Use Expo CLI to bundle the app, this ensures the Metro config
+    // works correctly with Expo projects.
+    cliFile = new File(["node", "--print", "require.resolve('@expo/cli', { paths: [require.resolve('expo/package.json')] })"].execute(null, rootDir).text.trim())
+    bundleCommand = "export:embed"
+
+    /* Folders */
+    //   The root of your project, i.e. where "package.json" lives. Default is '..'
+    // root = file("../")
+    //   The folder where the react-native NPM package is. Default is ../node_modules/react-native
+    // reactNativeDir = file("../node_modules/react-native")
+    //   The folder where the react-native Codegen package is. Default is ../node_modules/@react-native/codegen
+    // codegenDir = file("../node_modules/@react-native/codegen")
+
+    /* Variants */
+    //   The list of variants to that are debuggable. For those we're going to
+    //   skip the bundling of the JS bundle and the assets. By default is just 'debug'.
+    //   If you add flavors like lite, prod, etc. you'll have to list your debuggableVariants.
+    // debuggableVariants = ["liteDebug", "prodDebug"]
+
+    /* Bundling */
+    //   A list containing the node command and its flags. Default is just 'node'.
+    // nodeExecutableAndArgs = ["node"]
+
+    //
+    //   The path to the CLI configuration file. Default is empty.
+    // bundleConfig = file(../rn-cli.config.js)
+    //
+    //   The name of the generated asset file containing your JS bundle
+    // bundleAssetName = "MyApplication.android.bundle"
+    //
+    //   The entry file for bundle generation. Default is 'index.android.js' or 'index.js'
+    // entryFile = file("../js/MyApplication.android.js")
+    //
+    //   A list of extra flags to pass to the 'bundle' commands.
+    //   See https://github.com/react-native-community/cli/blob/main/docs/commands.md#bundle
+    // extraPackagerArgs = []
+
+    /* Hermes Commands */
+    //   The hermes compiler command to run. By default it is 'hermesc'
+    // hermesCommand = "$rootDir/my-custom-hermesc/bin/hermesc"
+    //
+    //   The list of flags to pass to the Hermes compiler. By default is "-O", "-output-source-map"
+    // hermesFlags = ["-O", "-output-source-map"]
+
+    if (rnVersion >= versionToNumber(0, 75, 0)) {
+        /* Autolinking */
+        autolinkLibrariesWithApp()
+    }
+}
+
+/**
+ * Set this to true to Run Proguard on Release builds to minify the Java bytecode.
+ */
+def enableProguardInReleaseBuilds = (findProperty('android.enableProguardInReleaseBuilds') ?: false).toBoolean()
+
+/**
+ * The preferred build flavor of JavaScriptCore (JSC)
+ *
+ * For example, to use the international variant, you can use:
+ * `def jscFlavor = 'org.webkit:android-jsc-intl:+'`
+ *
+ * The international variant includes ICU i18n library and necessary data
+ * allowing to use e.g. `Date.toLocaleString` and `String.localeCompare` that
+ * give correct results when using with locales other than en-US. Note that
+ * this variant is about 6MiB larger per architecture than default.
+ */
+def jscFlavor = 'org.webkit:android-jsc:+'
+
+android {
+    ndkVersion rootProject.ext.ndkVersion
+
+    buildToolsVersion rootProject.ext.buildToolsVersion
+    compileSdk rootProject.ext.compileSdkVersion
+
+    namespace 'com.anonymous.ExpoExample'
+    defaultConfig {
+        applicationId 'com.anonymous.ExpoExample'
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 1
+        versionName "1.0.0"
+    }
+    signingConfigs {
+        debug {
+            storeFile file('debug.keystore')
+            storePassword 'android'
+            keyAlias 'androiddebugkey'
+            keyPassword 'android'
+        }
+    }
+    buildTypes {
+        debug {
+            signingConfig signingConfigs.debug
+        }
+        release {
+            // Caution! In production, you need to generate your own keystore file.
+            // see https://reactnative.dev/docs/signed-apk-android.
+            signingConfig signingConfigs.debug
+            shrinkResources (findProperty('android.enableShrinkResourcesInReleaseBuilds')?.toBoolean() ?: false)
+            minifyEnabled enableProguardInReleaseBuilds
+            proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
+            crunchPngs (findProperty('android.enablePngCrunchInReleaseBuilds')?.toBoolean() ?: true)
+        }
+    }
+    packagingOptions {
+        jniLibs {
+            useLegacyPackaging (findProperty('expo.useLegacyPackaging')?.toBoolean() ?: false)
+        }
+    }
+}
+
+// Apply static values from `gradle.properties` to the `android.packagingOptions`
+// Accepts values in comma delimited lists, example:
+// android.packagingOptions.pickFirsts=/LICENSE,**/picasa.ini
+["pickFirsts", "excludes", "merges", "doNotStrip"].each { prop ->
+    // Split option: 'foo,bar' -> ['foo', 'bar']
+    def options = (findProperty("android.packagingOptions.$prop") ?: "").split(",");
+    // Trim all elements in place.
+    for (i in 0..<options.size()) options[i] = options[i].trim();
+    // `[] - ""` is essentially `[""].filter(Boolean)` removing all empty strings.
+    options -= ""
+
+    if (options.length > 0) {
+        println "android.packagingOptions.$prop += $options ($options.length)"
+        // Ex: android.packagingOptions.pickFirsts += '**/SCCS/**'
+        options.each {
+            android.packagingOptions[prop] += it
+        }
+    }
+}
+
+dependencies {
+    // The version of react-native is set by the React Native Gradle Plugin
+    implementation("com.facebook.react:react-android")
+
+    def isGifEnabled = (findProperty('expo.gif.enabled') ?: "") == "true";
+    def isWebpEnabled = (findProperty('expo.webp.enabled') ?: "") == "true";
+    def isWebpAnimatedEnabled = (findProperty('expo.webp.animated') ?: "") == "true";
+
+    if (isGifEnabled) {
+        // For animated gif support
+        implementation("com.facebook.fresco:animated-gif:${reactAndroidLibs.versions.fresco.get()}")
+    }
+
+    if (isWebpEnabled) {
+        // For webp support
+        implementation("com.facebook.fresco:webpsupport:${reactAndroidLibs.versions.fresco.get()}")
+        if (isWebpAnimatedEnabled) {
+            // Animated webp support
+            implementation("com.facebook.fresco:animated-webp:${reactAndroidLibs.versions.fresco.get()}")
+        }
+    }
+
+    if (hermesEnabled.toBoolean()) {
+        implementation("com.facebook.react:hermes-android")
+    } else {
+        implementation jscFlavor
+    }
+
+    implementation project(':react-native-video')
+    implementation project(':react-native-video-plugin-sample')
+}
+
+if (rnVersion < versionToNumber(0, 75, 0)) {
+    apply from: new File(["node", "--print", "require.resolve('@react-native-community/cli-platform-android/package.json', { paths: [require.resolve('react-native/package.json')] })"].execute(null, rootDir).text.trim(), "../native_modules.gradle");
+    applyNativeModulesAppBuildGradle(project)
+}

examples/expo/android/app/proguard-rules.pro

@@ -0,0 +1,14 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /usr/local/Cellar/android-sdk/24.3.3/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# react-native-reanimated
+-keep class com.swmansion.reanimated.** { *; }
+-keep class com.facebook.react.turbomodule.** { *; }
+
+# Add any project specific keep options here:

examples/expo/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
+
+    <application android:usesCleartextTraffic="true" tools:targetApi="28" tools:ignore="GoogleAppIndexingWarning" tools:replace="android:usesCleartextTraffic" />
+</manifest>

examples/expo/android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,39 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+  <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+  <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK"/>
+  <uses-permission android:name="android.permission.INTERNET"/>
+  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+  <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
+  <uses-permission android:name="android.permission.VIBRATE"/>
+  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+  <queries>
+    <intent>
+      <action android:name="android.intent.action.VIEW"/>
+      <category android:name="android.intent.category.BROWSABLE"/>
+      <data android:scheme="https"/>
+    </intent>
+  </queries>
+  <application android:name=".MainApplication" android:label="@string/app_name" android:icon="@mipmap/ic_launcher" android:roundIcon="@mipmap/ic_launcher_round" android:allowBackup="true" android:theme="@style/AppTheme">
+    <meta-data android:name="expo.modules.updates.ENABLED" android:value="false"/>
+    <meta-data android:name="expo.modules.updates.EXPO_UPDATES_CHECK_ON_LAUNCH" android:value="ALWAYS"/>
+    <meta-data android:name="expo.modules.updates.EXPO_UPDATES_LAUNCH_WAIT_MS" android:value="0"/>
+    <service android:name="com.brentvatne.exoplayer.VideoPlaybackService" android:exported="false" android:foregroundServiceType="mediaPlayback">
+      <intent-filter>
+        <action android:name="androidx.media3.session.MediaSessionService"/>
+      </intent-filter>
+    </service>
+    <activity android:name=".MainActivity" android:configChanges="keyboard|keyboardHidden|orientation|screenSize|screenLayout|uiMode" android:launchMode="singleTask" android:windowSoftInputMode="adjustResize" android:theme="@style/Theme.App.SplashScreen" android:exported="true">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN"/>
+        <category android:name="android.intent.category.LAUNCHER"/>
+      </intent-filter>
+      <intent-filter>
+        <action android:name="android.intent.action.VIEW"/>
+        <category android:name="android.intent.category.DEFAULT"/>
+        <category android:name="android.intent.category.BROWSABLE"/>
+        <data android:scheme="com.anonymous.ExpoExample"/>
+      </intent-filter>
+    </activity>
+    <activity android:name="com.facebook.react.devsupport.DevSettingsActivity" android:exported="false"/>
+  </application>
+</manifest>

examples/expo/android/app/src/main/java/com/anonymous/ExpoExample/MainActivity.kt

@@ -0,0 +1,61 @@
+package com.anonymous.ExpoExample
+
+import android.os.Build
+import android.os.Bundle
+
+import com.facebook.react.ReactActivity
+import com.facebook.react.ReactActivityDelegate
+import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint.fabricEnabled
+import com.facebook.react.defaults.DefaultReactActivityDelegate
+
+import expo.modules.ReactActivityDelegateWrapper
+
+class MainActivity : ReactActivity() {
+  override fun onCreate(savedInstanceState: Bundle?) {
+    // Set the theme to AppTheme BEFORE onCreate to support
+    // coloring the background, status bar, and navigation bar.
+    // This is required for expo-splash-screen.
+    setTheme(R.style.AppTheme);
+    super.onCreate(null)
+  }
+
+  /**
+   * Returns the name of the main component registered from JavaScript. This is used to schedule
+   * rendering of the component.
+   */
+  override fun getMainComponentName(): String = "main"
+
+  /**
+   * Returns the instance of the [ReactActivityDelegate]. We use [DefaultReactActivityDelegate]
+   * which allows you to enable New Architecture with a single boolean flags [fabricEnabled]
+   */
+  override fun createReactActivityDelegate(): ReactActivityDelegate {
+    return ReactActivityDelegateWrapper(
+          this,
+          BuildConfig.IS_NEW_ARCHITECTURE_ENABLED,
+          object : DefaultReactActivityDelegate(
+              this,
+              mainComponentName,
+              fabricEnabled
+          ){})
+  }
+
+  /**
+    * Align the back button behavior with Android S
+    * where moving root activities to background instead of finishing activities.
+    * @see <a href="https://developer.android.com/reference/android/app/Activity#onBackPressed()">onBackPressed</a>
+    */
+  override fun invokeDefaultOnBackPressed() {
+      if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.R) {
+          if (!moveTaskToBack(false)) {
+              // For non-root activities, use the default implementation to finish them.
+              super.invokeDefaultOnBackPressed()
+          }
+          return
+      }
+
+      // Use the default back button implementation on Android S
+      // because it's doing more than [Activity.moveTaskToBack] in fact.
+      super.invokeDefaultOnBackPressed()
+  }
+}

examples/expo/android/app/src/main/java/com/anonymous/ExpoExample/MainApplication.kt

@@ -0,0 +1,55 @@
+package com.anonymous.ExpoExample
+
+import android.app.Application
+import android.content.res.Configuration
+
+import com.facebook.react.PackageList
+import com.facebook.react.ReactApplication
+import com.facebook.react.ReactNativeHost
+import com.facebook.react.ReactPackage
+import com.facebook.react.ReactHost
+import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint.load
+import com.facebook.react.defaults.DefaultReactNativeHost
+import com.facebook.soloader.SoLoader
+
+import expo.modules.ApplicationLifecycleDispatcher
+import expo.modules.ReactNativeHostWrapper
+
+class MainApplication : Application(), ReactApplication {
+
+  override val reactNativeHost: ReactNativeHost = ReactNativeHostWrapper(
+        this,
+        object : DefaultReactNativeHost(this) {
+          override fun getPackages(): List<ReactPackage> {
+            // Packages that cannot be autolinked yet can be added manually here, for example:
+            // packages.add(new MyReactNativePackage());
+            return PackageList(this).packages
+          }
+
+          override fun getJSMainModuleName(): String = ".expo/.virtual-metro-entry"
+
+          override fun getUseDeveloperSupport(): Boolean = BuildConfig.DEBUG
+
+          override val isNewArchEnabled: Boolean = BuildConfig.IS_NEW_ARCHITECTURE_ENABLED
+          override val isHermesEnabled: Boolean = BuildConfig.IS_HERMES_ENABLED
+      }
+  )
+
+  override val reactHost: ReactHost
+    get() = ReactNativeHostWrapper.createReactHost(applicationContext, reactNativeHost)
+
+  override fun onCreate() {
+    super.onCreate()
+    SoLoader.init(this, false)
+    if (BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
+      // If you opted-in for the New Architecture, we load the native entry point for this app.
+      load()
+    }
+    ApplicationLifecycleDispatcher.onApplicationCreate(this)
+  }
+
+  override fun onConfigurationChanged(newConfig: Configuration) {
+    super.onConfigurationChanged(newConfig)
+    ApplicationLifecycleDispatcher.onConfigurationChanged(this, newConfig)
+  }
+}

examples/expo/android/app/src/main/res/drawable/rn_edit_text_material.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+       android:insetLeft="@dimen/abc_edit_text_inset_horizontal_material"
+       android:insetRight="@dimen/abc_edit_text_inset_horizontal_material"
+       android:insetTop="@dimen/abc_edit_text_inset_top_material"
+       android:insetBottom="@dimen/abc_edit_text_inset_bottom_material"
+       >
+
+    <selector>
+        <!--
+          This file is a copy of abc_edit_text_material (https://bit.ly/3k8fX7I).
+          The item below with state_pressed="false" and state_focused="false" causes a NullPointerException.
+          NullPointerException:tempt to invoke virtual method 'android.graphics.drawable.Drawable android.graphics.drawable.Drawable$ConstantState.newDrawable(android.content.res.Resources)'
+
+          <item android:state_pressed="false" android:state_focused="false" android:drawable="@drawable/abc_textfield_default_mtrl_alpha"/>
+
+          For more info, see https://bit.ly/3CdLStv (react-native/pull/29452) and https://bit.ly/3nxOMoR.
+        -->
+        <item android:state_enabled="false" android:drawable="@drawable/abc_textfield_default_mtrl_alpha"/>
+        <item android:drawable="@drawable/abc_textfield_activated_mtrl_alpha"/>
+    </selector>
+
+</inset>

examples/expo/android/app/src/main/res/drawable/splashscreen.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+  <item android:drawable="@color/splashscreen_background"/>
+</layer-list>

examples/expo/android/app/src/main/res/values-night/colors.xml

@@ -0,0 +1 @@
+<resources/>

examples/expo/android/app/src/main/res/values/colors.xml

@@ -0,0 +1,4 @@
+<resources>
+  <color name="colorPrimary">#023c69</color>
+  <color name="colorPrimaryDark">#ffffff</color>
+</resources>

examples/expo/android/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+  <string name="app_name">ExpoExample</string>
+</resources>

examples/expo/android/app/src/main/res/values/styles.xml

@@ -0,0 +1,17 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+  <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+    <item name="android:textColor">@android:color/black</item>
+    <item name="android:editTextStyle">@style/ResetEditText</item>
+    <item name="android:editTextBackground">@drawable/rn_edit_text_material</item>
+    <item name="colorPrimary">@color/colorPrimary</item>
+    <item name="android:statusBarColor">#ffffff</item>
+  </style>
+  <style name="ResetEditText" parent="@android:style/Widget.EditText">
+    <item name="android:padding">0dp</item>
+    <item name="android:textColorHint">#c8c8c8</item>
+    <item name="android:textColor">@android:color/black</item>
+  </style>
+  <style name="Theme.App.SplashScreen" parent="AppTheme">
+    <item name="android:windowBackground">@drawable/splashscreen</item>
+  </style>
+</resources>