add files, cannot figure out why native lib is broken

app/.gitignore

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+/build

app/CMakeLists.txt

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+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html
+
+# Sets the minimum version of CMake required to build the native library.
+
+cmake_minimum_required(VERSION 3.4.1)
+
+set(unicorn_DIR ${CMAKE_SOURCE_DIR}/src/main/cpp/unicorn)
+
+include_directories(${unicorn_DIR}/lib/${ANDROID_ABI}/include)
+
+add_library(unicorn SHARED IMPORTED)
+set_target_properties(unicorn PROPERTIES IMPORTED_LOCATION
+        ${unicorn_DIR}/lib/${ANDROID_ABI}/libunicorn.so)
+
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+
+add_library( # Sets the name of the library.
+        native-lib
+
+        # Sets the library as a shared library.
+        SHARED
+
+        # Provides a relative path to your source file(s).
+        src/main/cpp/native-lib.cpp)
+
+# Searches for a specified prebuilt library and stores the path as a
+# variable. Because CMake includes system libraries in the search path by
+# default, you only need to specify the name of the public NDK library
+# you want to add. CMake verifies that the library exists before
+# completing its build.
+
+find_library( # Sets the name of the path variable.
+        log-lib
+
+        # Specifies the name of the NDK library that
+        # you want CMake to locate.
+        log)
+
+# Specifies libraries CMake should link to your target library. You
+# can link multiple libraries, such as libraries you define in this
+# build script, prebuilt third-party libraries, or system libraries.
+
+target_link_libraries( # Specifies the target library.
+        native-lib
+
+        unicorn
+
+        # Links the target library to the log library
+        # included in the NDK.
+        ${log-lib})

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "29.0.0"
+    defaultConfig {
+        applicationId "gq.cyuubi.lightswitch"
+        minSdkVersion 22
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        externalNativeBuild {
+            cmake {
+                cppFlags ""
+            }
+        }
+        ndk {
+            abiFilters "arm64-v8a"
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    externalNativeBuild {
+        cmake {
+            path "CMakeLists.txt"
+            version "3.10.2"
+        }
+    }
+    sourceSets {
+        main {
+            jni.srcDirs = ['src/main/cpp/unicorn/lib']
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+}

app/proguard-rules.pro

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

app/src/androidTest/java/gq/cyuubi/lightswitch/ExampleInstrumentedTest.java

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+package gq.cyuubi.lightswitch;
+
+import android.content.Context;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("gq.cyuubi.lightswitch", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="gq.cyuubi.lightswitch">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/cpp/native-lib.cpp

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+#include <jni.h>
+#include <string>
+
+#include <unicorn/unicorn.h>
+
+extern "C" JNIEXPORT jstring JNICALL
+Java_gq_cyuubi_lightswitch_MainActivity_stringFromJNI(
+        JNIEnv *env,
+        jobject /* this */) {
+    uc_engine *uc;
+    uc_err err;
+    err = uc_open(UC_ARCH_ARM64, UC_MODE_ARM, &uc);
+    if (err) {
+        std::string failed = "loading failed!";
+        return env->NewStringUTF(failed.c_str());
+    }
+    std::string hello = "loaded successfully!";
+    return env->NewStringUTF(hello.c_str());
+}

app/src/main/cpp/unicorn/lib/arm64-v8a/include/unicorn/arm.h

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+/* Unicorn Engine */
+/* By Nguyen Anh Quynh <[email protected]>, 2015-2017 */
+/* This file is released under LGPL2.
+   See COPYING.LGPL2 in root directory for more details
+*/
+
+#ifndef UNICORN_ARM_H
+#define UNICORN_ARM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _MSC_VER
+#pragma warning(disable:4201)
+#endif
+
+//> ARM registers
+typedef enum uc_arm_reg {
+    UC_ARM_REG_INVALID = 0,
+    UC_ARM_REG_APSR,
+    UC_ARM_REG_APSR_NZCV,
+    UC_ARM_REG_CPSR,
+    UC_ARM_REG_FPEXC,
+    UC_ARM_REG_FPINST,
+    UC_ARM_REG_FPSCR,
+    UC_ARM_REG_FPSCR_NZCV,
+    UC_ARM_REG_FPSID,
+    UC_ARM_REG_ITSTATE,
+    UC_ARM_REG_LR,
+    UC_ARM_REG_PC,
+    UC_ARM_REG_SP,
+    UC_ARM_REG_SPSR,
+    UC_ARM_REG_D0,
+    UC_ARM_REG_D1,
+    UC_ARM_REG_D2,
+    UC_ARM_REG_D3,
+    UC_ARM_REG_D4,
+    UC_ARM_REG_D5,
+    UC_ARM_REG_D6,
+    UC_ARM_REG_D7,
+    UC_ARM_REG_D8,
+    UC_ARM_REG_D9,
+    UC_ARM_REG_D10,
+    UC_ARM_REG_D11,
+    UC_ARM_REG_D12,
+    UC_ARM_REG_D13,
+    UC_ARM_REG_D14,
+    UC_ARM_REG_D15,
+    UC_ARM_REG_D16,
+    UC_ARM_REG_D17,
+    UC_ARM_REG_D18,
+    UC_ARM_REG_D19,
+    UC_ARM_REG_D20,
+    UC_ARM_REG_D21,
+    UC_ARM_REG_D22,
+    UC_ARM_REG_D23,
+    UC_ARM_REG_D24,
+    UC_ARM_REG_D25,
+    UC_ARM_REG_D26,
+    UC_ARM_REG_D27,
+    UC_ARM_REG_D28,
+    UC_ARM_REG_D29,
+    UC_ARM_REG_D30,
+    UC_ARM_REG_D31,
+    UC_ARM_REG_FPINST2,
+    UC_ARM_REG_MVFR0,
+    UC_ARM_REG_MVFR1,
+    UC_ARM_REG_MVFR2,
+    UC_ARM_REG_Q0,
+    UC_ARM_REG_Q1,
+    UC_ARM_REG_Q2,
+    UC_ARM_REG_Q3,
+    UC_ARM_REG_Q4,
+    UC_ARM_REG_Q5,
+    UC_ARM_REG_Q6,
+    UC_ARM_REG_Q7,
+    UC_ARM_REG_Q8,
+    UC_ARM_REG_Q9,
+    UC_ARM_REG_Q10,
+    UC_ARM_REG_Q11,
+    UC_ARM_REG_Q12,
+    UC_ARM_REG_Q13,
+    UC_ARM_REG_Q14,
+    UC_ARM_REG_Q15,
+    UC_ARM_REG_R0,
+    UC_ARM_REG_R1,
+    UC_ARM_REG_R2,
+    UC_ARM_REG_R3,
+    UC_ARM_REG_R4,
+    UC_ARM_REG_R5,
+    UC_ARM_REG_R6,
+    UC_ARM_REG_R7,
+    UC_ARM_REG_R8,
+    UC_ARM_REG_R9,
+    UC_ARM_REG_R10,
+    UC_ARM_REG_R11,
+    UC_ARM_REG_R12,
+    UC_ARM_REG_S0,
+    UC_ARM_REG_S1,
+    UC_ARM_REG_S2,
+    UC_ARM_REG_S3,
+    UC_ARM_REG_S4,
+    UC_ARM_REG_S5,
+    UC_ARM_REG_S6,
+    UC_ARM_REG_S7,
+    UC_ARM_REG_S8,
+    UC_ARM_REG_S9,
+    UC_ARM_REG_S10,
+    UC_ARM_REG_S11,
+    UC_ARM_REG_S12,
+    UC_ARM_REG_S13,
+    UC_ARM_REG_S14,
+    UC_ARM_REG_S15,
+    UC_ARM_REG_S16,
+    UC_ARM_REG_S17,
+    UC_ARM_REG_S18,
+    UC_ARM_REG_S19,
+    UC_ARM_REG_S20,
+    UC_ARM_REG_S21,
+    UC_ARM_REG_S22,
+    UC_ARM_REG_S23,
+    UC_ARM_REG_S24,
+    UC_ARM_REG_S25,
+    UC_ARM_REG_S26,
+    UC_ARM_REG_S27,
+    UC_ARM_REG_S28,
+    UC_ARM_REG_S29,
+    UC_ARM_REG_S30,
+    UC_ARM_REG_S31,
+
+    UC_ARM_REG_C1_C0_2,
+    UC_ARM_REG_C13_C0_2,
+    UC_ARM_REG_C13_C0_3,
+
+    UC_ARM_REG_IPSR,
+    UC_ARM_REG_MSP,
+    UC_ARM_REG_PSP,
+    UC_ARM_REG_CONTROL,
+    UC_ARM_REG_ENDING,		// <-- mark the end of the list or registers
+
+    //> alias registers
+    UC_ARM_REG_R13 = UC_ARM_REG_SP,
+    UC_ARM_REG_R14 = UC_ARM_REG_LR,
+    UC_ARM_REG_R15 = UC_ARM_REG_PC,
+
+    UC_ARM_REG_SB = UC_ARM_REG_R9,
+    UC_ARM_REG_SL = UC_ARM_REG_R10,
+    UC_ARM_REG_FP = UC_ARM_REG_R11,
+    UC_ARM_REG_IP = UC_ARM_REG_R12,
+} uc_arm_reg;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif