add android.

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>

android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,32 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+  <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" android:supportsRtl="true">
+    <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"/>
+    <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" android:screenOrientation="portrait">
+      <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="myapp"/>
+        <data android:scheme="com.anonymous.translationterrace"/>
+      </intent-filter>
+    </activity>
+  </application>
+</manifest>

android/app/src/main/java/com/anonymous/translationterrace/MainActivity.kt

@@ -0,0 +1,65 @@
+package com.anonymous.translationterrace
+import expo.modules.splashscreen.SplashScreenManager
+
+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);
+    // @generated begin expo-splashscreen - expo prebuild (DO NOT MODIFY) sync-f3ff59a738c56c9a6119210cb55f0b613eb8b6af
+    SplashScreenManager.registerOnActivity(this)
+    // @generated end expo-splashscreen
+    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()
+  }
+}

android/app/src/main/java/com/anonymous/translationterrace/MainApplication.kt

@@ -0,0 +1,57 @@
+package com.anonymous.translationterrace
+
+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.react.soloader.OpenSourceMergedSoMapping
+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> {
+            val packages = PackageList(this).packages
+            // Packages that cannot be autolinked yet can be added manually here, for example:
+            // packages.add(new MyReactNativePackage());
+            return 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, OpenSourceMergedSoMapping)
+    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)
+  }
+}

android/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,6 @@
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+  <item android:drawable="@color/splashscreen_background"/>
+  <item>
+    <bitmap android:gravity="center" android:src="@drawable/splashscreen_logo"/>
+  </item>
+</layer-list>

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>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/iconBackground"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/iconBackground"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

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

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

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

@@ -0,0 +1,6 @@
+<resources>
+  <color name="splashscreen_background">#ffffff</color>
+  <color name="iconBackground">#ffffff</color>
+  <color name="colorPrimary">#023c69</color>
+  <color name="colorPrimaryDark">#ffffff</color>
+</resources>

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

@@ -0,0 +1,6 @@
+<resources>
+  <string name="app_name">translation-terrace</string>
+  <string name="expo_system_ui_user_interface_style" translatable="false">automatic</string>
+  <string name="expo_splash_screen_resize_mode" translatable="false">contain</string>
+  <string name="expo_splash_screen_status_bar_translucent" translatable="false">false</string>
+</resources>

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

@@ -0,0 +1,19 @@
+<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="Theme.SplashScreen">
+    <item name="windowSplashScreenBackground">@color/splashscreen_background</item>
+    <item name="windowSplashScreenAnimatedIcon">@drawable/splashscreen_logo</item>
+    <item name="postSplashScreenTheme">@style/AppTheme</item>
+  </style>
+</resources>