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add android app files
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‎mobile/examples/model_tester/android/.gitignore

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties

‎mobile/examples/model_tester/android/app/.gitignore

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/build

‎mobile/examples/model_tester/android/app/build.gradle.kts

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plugins {
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id("com.android.application")
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id("org.jetbrains.kotlin.android")
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}
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android {
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namespace = "com.onnxruntime.example.modeltester"
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compileSdk = 33
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defaultConfig {
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applicationId = "com.onnxruntime.example.modeltester"
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minSdk = 24
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targetSdk = 33
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versionCode = 1
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versionName = "1.0"
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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isMinifyEnabled = false
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro"
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)
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_1_8
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targetCompatibility = JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = "1.8"
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}
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externalNativeBuild {
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cmake {
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path = file("src/main/cpp/CMakeLists.txt")
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version = "3.22.1"
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}
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}
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buildFeatures {
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viewBinding = true
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}
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}
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dependencies {
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implementation("androidx.core:core-ktx:1.9.0")
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implementation("androidx.appcompat:appcompat:1.7.0")
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implementation("com.google.android.material:material:1.12.0")
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implementation("androidx.constraintlayout:constraintlayout:2.1.4")
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testImplementation("junit:junit:4.13.2")
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androidTestImplementation("androidx.test.ext:junit:1.2.1")
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androidTestImplementation("androidx.test.espresso:espresso-core:3.6.1")
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}

‎mobile/examples/model_tester/android/app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎mobile/examples/model_tester/android/app/src/androidTest/java/com/onnxruntime/example/modeltester/ExampleInstrumentedTest.kt

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package com.onnxruntime.example.modeltester
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("com.onnxruntime.example.modeltester", appContext.packageName)
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}
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}

‎mobile/examples/model_tester/android/app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.ModelTester"
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tools:targetApi="31">
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<activity
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android:name=".MainActivity"
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android:exported="true">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎mobile/examples/model_tester/android/app/src/main/cpp/CMakeLists.txt

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# For more information about using CMake with Android Studio, read the
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# documentation: https://d.android.com/studio/projects/add-native-code.html.
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# For more examples on how to use CMake, see https://github.com/android/ndk-samples.
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# Sets the minimum CMake version required for this project.
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cmake_minimum_required(VERSION 3.22.1)
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# Declares the project name. The project name can be accessed via ${ PROJECT_NAME},
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# Since this is the top level CMakeLists.txt, the project name is also accessible
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# with ${CMAKE_PROJECT_NAME} (both CMake variables are in-sync within the top level
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# build script scope).
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project("modeltester")
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# Creates and names a library, sets it as either STATIC
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# or SHARED, and provides the relative paths to its source code.
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# You can define multiple libraries, and CMake builds them for you.
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# Gradle automatically packages shared libraries with your APK.
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#
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# In this top level CMakeLists.txt, ${CMAKE_PROJECT_NAME} is used to define
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# the target library name; in the sub-module's CMakeLists.txt, ${PROJECT_NAME}
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# is preferred for the same purpose.
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#
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# In order to load a library into your app from Java/Kotlin, you must call
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# System.loadLibrary() and pass the name of the library defined here;
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# for GameActivity/NativeActivity derived applications, the same library name must be
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# used in the AndroidManifest.xml file.
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add_library(${CMAKE_PROJECT_NAME} SHARED
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# List C/C++ source files with relative paths to this CMakeLists.txt.
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native-lib.cpp)
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# Specifies libraries CMake should link to your target library. You
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# can link libraries from various origins, such as libraries defined in this
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# build script, prebuilt third-party libraries, or Android system libraries.
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target_link_libraries(${CMAKE_PROJECT_NAME}
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# List libraries link to the target library
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android
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log)

‎mobile/examples/model_tester/android/app/src/main/cpp/native-lib.cpp

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#include <jni.h>
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#include <string>
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extern "C" JNIEXPORT jstring JNICALL
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Java_com_onnxruntime_example_modeltester_MainActivity_stringFromJNI(
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JNIEnv* env,
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jobject /* this */) {
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std::string hello = "Hello from C++";
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return env->NewStringUTF(hello.c_str());
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}

‎mobile/examples/model_tester/android/app/src/main/java/com/onnxruntime/example/modeltester/MainActivity.kt

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package com.onnxruntime.example.modeltester
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import androidx.appcompat.app.AppCompatActivity
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import android.os.Bundle
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import android.widget.TextView
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import com.onnxruntime.example.modeltester.databinding.ActivityMainBinding
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class MainActivity : AppCompatActivity() {
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private lateinit var binding: ActivityMainBinding
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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binding = ActivityMainBinding.inflate(layoutInflater)
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setContentView(binding.root)
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// Example of a call to a native method
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binding.sampleText.text = stringFromJNI()
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}
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/**
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* A native method that is implemented by the 'modeltester' native library,
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* which is packaged with this application.
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*/
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external fun stringFromJNI(): String
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companion object {
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// Used to load the 'modeltester' library on application startup.
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init {
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System.loadLibrary("modeltester")
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}
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}
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}

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