Make seedvault compile in AOSP properly

* Add Android.bp to compile using AOSP build system instead of gradle
* Add prebuilt external libs that are not available on AOSP

Fixes #97

Co-authored-by: Chirayu Desai <chirayudesai1@gmail.com>

Android.bp

@@ -0,0 +1,69 @@
+//
+// Copyright (C) 2018 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.
+//
+
+android_app {
+    name: "Seedvault",
+    srcs: [
+        "app/src/main/java/**/*.kt",
+        "app/src/main/java/**/*.java",
+    ],
+    resource_dirs: [
+        "app/src/main/res",
+    ],
+    static_libs: [
+        "com.google.android.material_material",
+        "androidx.core_core",
+        "androidx.preference_preference",
+        "androidx.lifecycle_lifecycle-extensions",
+        "androidx-constraintlayout_constraintlayout",
+        "seedvault-lib-androidx-core-ktx",
+        "seedvault-lib-androidx-lifecycle-livedata-core-ktx",
+        "seedvault-lib-androidx-lifecycle-livedata-ktx",
+        "seedvault-lib-androidx-lifecycle-viewmodel-ktx",
+        "seedvault-lib-koin-android",
+        "seedvault-lib-koin-androidx-viewmodel",
+        "seedvault-lib-commons-io",
+        "seedvault-lib-koin-core",
+        "seedvault-lib-kotlinx-coroutines-android",
+        "seedvault-lib-kotlinx-coroutines-core",
+        "seedvault-lib-novacrypto-bip39",
+        "seedvault-lib-novacrypto-sha256",
+        "seedvault-lib-novacrypto-toruntime"
+    ],
+    manifest: "app/src/main/AndroidManifest.xml",
+
+    platform_apis: true,
+    certificate: "platform",
+    privileged: true,
+    required: [
+        "privapp_whitelist_com.stevesoltys.backup",
+        "com.stevesoltys.backup_whitelist"
+    ]
+}
+
+prebuilt_etc {
+    name: "privapp_whitelist_com.stevesoltys.backup",
+    sub_dir: "permissions",
+    src: "permissions_com.stevesoltys.seedvault.xml",
+    filename_from_src: true,
+}
+
+prebuilt_etc {
+    name: "com.stevesoltys.backup_whitelist",
+    sub_dir: "sysconfig",
+    src: "whitelist_com.stevesoltys.seedvault.xml",
+    filename_from_src: true,
+}

app/build.gradle

@@ -108,6 +108,9 @@ def aospDeps = fileTree(include: [
         'libcore.jar'
 ], dir: 'libs')
 
+// If the dependencies below are updated please make sure to update the
+// prebuilt libraries and Android.bp in the top `libs` folder to reflect that.
+// You can copy these libraries from ~/.gradle/caches/modules-2
 dependencies {
     compileOnly aospDeps
 

deploy-prebuilt.sh

@@ -12,7 +12,7 @@ git clone --quiet $REPO_URL
 cd seedvault-prebuilt
 git checkout $TRAVIS_BRANCH || git checkout -b $TRAVIS_BRANCH
 rm -Rf ./*
-cp $TRAVIS_BUILD_DIR/Android.mk .
+cp $TRAVIS_BUILD_DIR/Android.mk.prebuilt ./Android.mk
 cp $TRAVIS_BUILD_DIR/app/build/outputs/apk/release/app-release-unsigned.apk ./Seedvault.apk
 cp $TRAVIS_BUILD_DIR/permissions_com.stevesoltys.seedvault.xml .
 cp $TRAVIS_BUILD_DIR/whitelist_com.stevesoltys.seedvault.xml .

libs/Android.bp

@@ -0,0 +1,84 @@
+android_library_import {
+    name: "seedvault-lib-androidx-core-ktx",
+    aars: ["core-ktx-1.1.0.aar"],
+    sdk_version: "current",
+}
+
+android_library_import {
+    name: "seedvault-lib-androidx-lifecycle-livedata-core-ktx",
+    aars: ["lifecycle-livedata-core-ktx-2.3.0-alpha05.aar"],
+    sdk_version: "current",
+}
+
+android_library_import {
+    name: "seedvault-lib-androidx-lifecycle-livedata-ktx",
+    aars: ["lifecycle-livedata-ktx-2.3.0-alpha05.aar"],
+    sdk_version: "current",
+}
+
+android_library_import {
+    name: "seedvault-lib-androidx-lifecycle-viewmodel-ktx",
+    aars: ["lifecycle-viewmodel-ktx-2.1.0.aar"],
+    sdk_version: "current",
+}
+
+android_library_import {
+    name: "seedvault-lib-koin-android",
+    aars: ["koin-android-2.0.1.aar"],
+    sdk_version: "current",
+}
+
+android_library_import {
+    name: "seedvault-lib-koin-androidx-viewmodel",
+    aars: ["koin-androidx-viewmodel-2.0.1.aar"],
+    sdk_version: "current",
+}
+
+java_import {
+    name: "seedvault-lib-commons-io",
+    host_supported: true,
+    jars: ["commons-io-2.6.jar"],
+    sdk_version: "current",
+}
+
+java_import {
+    name: "seedvault-lib-koin-core",
+    host_supported: true,
+    jars: ["koin-core-2.0.1.jar"],
+    sdk_version: "current",
+}
+
+java_import {
+    name: "seedvault-lib-kotlinx-coroutines-android",
+    host_supported: true,
+    jars: ["kotlinx-coroutines-android-1.1.1.jar"],
+    sdk_version: "current",
+}
+
+java_import {
+    name: "seedvault-lib-kotlinx-coroutines-core",
+    host_supported: true,
+    jars: ["kotlinx-coroutines-core-1.3.0.jar"],
+    sdk_version: "current",
+}
+
+java_import {
+    name: "seedvault-lib-novacrypto-bip39",
+    host_supported: true,
+    jars: ["BIP39-2019.01.27.jar"],
+    sdk_version: "current",
+}
+
+java_import {
+    name: "seedvault-lib-novacrypto-sha256",
+    host_supported: true,
+    jars: ["SHA256-2019.01.27.jar"],
+    sdk_version: "current",
+}
+
+java_import {
+    name: "seedvault-lib-novacrypto-toruntime",
+    host_supported: true,
+    jars: ["ToRuntime-0.9.0.jar"],
+    sdk_version: "current",
+}