WIP: Implement native pihelper library

Signed-off-by: William Brawner <me@wbrawner.com>

.gitmodules

@@ -0,0 +1,9 @@
+[submodule "libpihelper/src/main/c/libpihelper"]
+	path = libpihelper/src/main/c/libpihelper
+	url = git@git.wbrawner.com:/pub/git/Pi-Helper/pihelper.git
+[submodule "libpihelper/src/main/c/curl"]
+	path = libpihelper/src/main/c/curl
+	url = https://github.com/curl/curl
+[submodule "libpihelper/src/main/c/openssl"]
+	path = libpihelper/src/main/c/openssl
+	url = https://github.com/openssl/openssl

libpihelper/.gitignore

@@ -0,0 +1 @@
+/build

libpihelper/build.gradle

@@ -0,0 +1,43 @@
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 29
+    defaultConfig {
+        minSdkVersion 23
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles 'consumer-rules.pro'
+
+        externalNativeBuild {
+            cmake {
+                cppFlags ""
+            }
+        }
+    }
+
+    externalNativeBuild {
+        cmake {
+            path "src/main/c/CMakeLists.txt"
+            version "3.10.2"
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+}

libpihelper/src/main/AndroidManifest.xml

@@ -0,0 +1,5 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.wbrawner.libpihelper">
+    <uses-permission android:name="android.permission.INTERNET" />
+    <application android:usesCleartextTraffic="true" />
+</manifest>

libpihelper/src/main/c/CMakeLists.txt

@@ -0,0 +1,27 @@
+# Set the minimum required version for cmake
+cmake_minimum_required(VERSION 3.4.1)
+
+
+set(PIHELPER_STATIC off CACHE BOOL "")
+set(PIHELPER_SHARED on CACHE BOOL "")
+
+add_subdirectory(libpihelper)
+
+add_library(
+        pihelper
+        SHARED
+        pihelper-android.c
+)
+
+# Include the Android logging library for native code
+find_library(
+        log-lib
+        log
+)
+
+# Link our library with the Android logging library
+target_link_libraries(
+        pihelper
+        ${log-lib}
+        libpihelpershared
+)

libpihelper/src/main/c/libpihelper

@@ -0,0 +1 @@
+Subproject commit 7e599ee5f180c0526914686826fa64b4403f09d2

libpihelper/src/main/java/com/wbrawner/libpihelper/PiHelperNative.java

@@ -0,0 +1,4 @@
+package com.wbrawner.libpihelper;
+
+public class PiHelperNative {
+}

piholeclient/build.gradle

@@ -27,7 +27,7 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation project(':libpihelper')
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"

settings.gradle

@@ -1,2 +1,3 @@
-include ':app', ':piholeclient'
+include ':app', ':piholeclient', ':libpihelper'
 rootProject.name='Pi-helper'
+