Merge pull request 'build.gradle include' (#455) from android-packaging into master

Reviewed-on: #455

android/AndroidManifest.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <manifest package="ca.openprivacy.cwtch.ui" xmlns:android="http://schemas.android.com/apk/res/android"
         android:versionName="1.0"
-        android:versionCode="1"
+        android:versionCode="4"
         android:installLocation="auto">
     <application android:hardwareAccelerated="true"
                  android:name="org.qtproject.qt5.android.bindings.QtApplication"

android/build.gradle

@@ -0,0 +1,150 @@
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.2.0'
+    }
+}
+
+repositories {
+    google()
+    jcenter()
+}
+
+apply plugin: 'com.android.application'
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+}
+
+android {
+    /*******************************************************
+     * The following variables:
+     * - androidBuildToolsVersion,
+     * - androidCompileSdkVersion
+     * - qt5AndroidDir - holds the path to qt android files
+     *                   needed to build any Qt application
+     *                   on Android.
+     *
+     * are defined in gradle.properties file. This file is
+     * updated by QtCreator and androiddeployqt tools.
+     * Changing them manually might break the compilation!
+     *******************************************************/
+
+    compileSdkVersion androidCompileSdkVersion.toInteger()
+
+    buildToolsVersion '28.0.3'
+
+    sourceSets {
+        main {
+            manifest.srcFile 'AndroidManifest.xml'
+            java.srcDirs = [qt5AndroidDir + '/src', 'src', 'java']
+            aidl.srcDirs = [qt5AndroidDir + '/src', 'src', 'aidl']
+            res.srcDirs = [qt5AndroidDir + '/res', 'res']
+            resources.srcDirs = ['src']
+            renderscript.srcDirs = ['src']
+            assets.srcDirs = ['assets']
+            jniLibs.srcDirs = ['libs']
+       }
+    }
+
+
+      // kinda of cheaty, would prefer to use if (System.getEnv("GOARCH") == "arm64") {
+      // but it doesn't want to work in this context
+      if (qt5AndroidDir.contains("arm64")) {
+
+        splits {
+
+            // Configures multiple APKs based on ABI.
+            abi {
+
+              // Enables building multiple APKs per ABI.
+              enable true
+
+              // By default all ABIs are included, so use reset() and include to specify that we only
+              // want APKs for x86 and x86_64.
+
+              // Resets the list of ABIs that Gradle should create APKs for to none.
+              reset()
+
+              // Specifies a list of ABIs that Gradle should create APKs for.
+              // Note that because of the way that therecipe/qt bundles libraries
+              // only the specific architecture specified by GOARCH /GOARM will *actually*
+              // work so we currently have to do separate builds for each arch - this needs to be fixed.
+              include "arm64-v8a"
+
+              // Specifies that we do not want to also generate a universal APK that includes all ABIs.
+              // QT deploy has to be run twice to generate the libgo_base.so for each arch
+              universalApk false
+            }
+        }
+
+        task linkBuildDebugArm64(type: Exec) {
+            workingDir '../build/build/outputs/apk/debug/'
+            commandLine 'ln', '-sf', 'build-arm64-v8a-debug.apk', 'build-debug.apk'
+        }
+
+        task renameBuildReleaseArm64(type: Exec) {
+            workingDir '../build/build/outputs/apk/release/'
+            commandLine 'mv', 'build-arm64-v8a-release-unsigned.apk', 'build-release-unsigned.apk'
+        }
+
+        afterEvaluate {
+            assembleDebug.finalizedBy(linkBuildDebugArm64)
+            assembleRelease.finalizedBy(renameBuildReleaseArm64)
+        }
+
+    } else {
+
+        splits {
+
+            // Configures multiple APKs based on ABI.
+            abi {
+
+              // Enables building multiple APKs per ABI.
+              enable true
+
+              // By default all ABIs are included, so use reset() and include to specify that we only
+              // want APKs for x86 and x86_64.
+
+              // Resets the list of ABIs that Gradle should create APKs for to none.
+              reset()
+
+              // Specifies a list of ABIs that Gradle should create APKs for.
+              // Note that because of the way that therecipe/qt bundles libraries
+              // only the specific architecture specified by GOARCH /GOARM will *actually*
+              // work so we currently have to do separate builds for each arch - this needs to be fixed.
+              include "armeabi-v7a"
+
+              // Specifies that we do not want to also generate a universal APK that includes all ABIs.
+              // QT deploy has to be run twice to generate the libgo_base.so for each arch
+              universalApk false
+            }
+        }
+
+        task linkBuildDebugArm7(type: Exec) {
+            workingDir '../build/build/outputs/apk/debug/'
+            commandLine 'ln', '-sf', 'build-armeabi-v7a-debug.apk', 'build-debug.apk'
+        }
+
+        task renameBuildReleaseArm7(type: Exec) {
+            workingDir '../build/build/outputs/apk/release/'
+            commandLine 'mv', 'build-armeabi-v7a-release-unsigned.apk', 'build-release-unsigned.apk'
+        }
+
+        afterEvaluate {
+            assembleDebug.finalizedBy(linkBuildDebugArm7)
+            assembleRelease.finalizedBy(renameBuildReleaseArm7)
+        }
+    }
+
+
+    lintOptions {
+        abortOnError true
+    }
+
+}
+