Attempt to build libmozc.so

.github/workflows/android.yaml

@@ -30,23 +30,11 @@ jobs:
       - name: build
         working-directory: ./src
         run: |
-          mkdir android_artifacts
-          mkdir android_artifacts/armeabi-v7a
-          mkdir android_artifacts/arm64-v8a
-          mkdir android_artifacts/x86
-          mkdir android_artifacts/x86_64
-          bazel build --config oss_android package --cpu=armeabi-v7a
-          cp bazel-bin/android/jni/libmozcjni.so android_artifacts/armeabi-v7a/
-          bazel build --config oss_android package --cpu=arm64-v8a
-          cp bazel-bin/android/jni/libmozcjni.so android_artifacts/arm64-v8a/
-          bazel build --config oss_android package --cpu=x86
-          cp bazel-bin/android/jni/libmozcjni.so android_artifacts/x86/
-          bazel build --config oss_android package --cpu=x86_64
-          cp bazel-bin/android/jni/libmozcjni.so android_artifacts/x86_64/
+          bazel build --config oss_android package package
 
       - name: upload artifacts
         uses: actions/upload-artifact@v3
         with:
-          name: libmozcjni.so
-          path: src/android_artifacts/
+          name: mozc.apk
+          path: src/bazel-bin/android/jni/mozc.apk
           if-no-files-found: warn

src/.bazelrc

@@ -34,12 +34,12 @@ build:prod_windows --define TARGET=prod_windows --build_tag_filters=-nowin
 
 # Android / OSS Android (same configurations)
 build:android --define TARGET=oss_android --copt "-DOS_ANDROID"
-build:android --crosstool_top=@androidndk//:toolchain --cpu=armeabi-v7a
+build:android --android_crosstool_top=@androidndk//:toolchain --fat_apk_cpu=armeabi-v7a,arm64-v8a,x86,x86_64
 build:android --host_crosstool_top=@bazel_tools//tools/cpp:toolchain
 build:android --build_tag_filters=-noandroid
 test:android --test_tag_filters=-noandroid
 build:oss_android --define TARGET=oss_android --copt "-DOS_ANDROID"
-build:oss_android --crosstool_top=@androidndk//:toolchain --cpu=armeabi-v7a
+build:oss_android --android_crosstool_top=@androidndk//:toolchain --fat_apk_cpu=armeabi-v7a,arm64-v8a,x86,x86_64
 build:oss_android --host_crosstool_top=@bazel_tools//tools/cpp:toolchain
 build:oss_android --build_tag_filters=-noandroid
 test:oss_android --test_tag_filters=-noandroid

src/WORKSPACE.bazel

@@ -74,24 +74,34 @@ apple_rules_dependencies()
 
 
 # Android NDK setup
-RULES_ANDROID_NDK_COMMIT= "44dcd014f4b126f8941c29ff1b25e1584bd3eb26"
-RULES_ANDROID_NDK_SHA = "79b1857e8e05e3007ad090a3269d2932e988b3ed176d7abd042719d45eb51500"
+RULES_ANDROID_NDK_COMMIT= "877c68ef34c9f3353028bf490d269230c1990483"
+RULES_ANDROID_NDK_SHA = "b1a5ddd784e6ed915c2035c0db536a278b5f50c64412128c06877115991391ef"
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 http_archive(
     name = "rules_android_ndk",
     url = "https://github.com/bazelbuild/rules_android_ndk/archive/%s.zip" % RULES_ANDROID_NDK_COMMIT,
     sha256 = RULES_ANDROID_NDK_SHA,
     strip_prefix = "rules_android_ndk-%s" % RULES_ANDROID_NDK_COMMIT,
 )
+load("@rules_android_ndk//:rules.bzl", "android_ndk_repository")
+android_ndk_repository(
+    name = "androidndk",
+    api_level = 31,
+)
+
+http_archive(
+    name = "build_bazel_rules_android",
+    sha256 = "cd06d15dd8bb59926e4d65f9003bfc20f9da4b2519985c27e190cddc8b7a7806",
+    strip_prefix = "rules_android-0.1.1",
+    urls = ["https://github.com/bazelbuild/rules_android/archive/v0.1.1.zip"],
+)
 
-# Check the ANDROID_NDK_HOME envvar, if it is specified set up NDK as follows
-#   load("@rules_android_ndk//:rules.bzl", "android_ndk_repository")
-#   android_ndk_repository(name="androidndk")
-# If it is empty, do nothing.
-load("@//bazel:android_repository.bzl", "android_repository")
-android_repository(name = "android_repository")
-load("@android_repository//:setup.bzl", "android_ndk_setup")
-android_ndk_setup()
+load("@build_bazel_rules_android//android:rules.bzl", "android_sdk_repository")
 
+android_sdk_repository(
+    name = "androidsdk",
+)
 
 # Windows Implementation Library (WIL)
 # https://github.com/microsoft/wil/

src/android/jni/AndroidManifest.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2010-2023, Google Inc.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+     * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+     * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following disclaimer
+ in the documentation and/or other materials provided with the
+ distribution.
+     * Neither the name of Google Inc. nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="org.mozc.android.build"
+    android:versionCode="1"
+    android:versionName="1.0.0.0"
+>
+  <uses-sdk
+      android:minSdkVersion="31"
+      android:targetSdkVersion="31" />
+
+  <application
+      android:label="Fake APK for Mozc JNI build"
+      android:allowBackup="false"
+      android:supportsRtl="true">
+    <activity
+        android:name=".FakeActivity"
+        android:exported="true">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+    </activity>
+  </application>
+
+</manifest>

src/android/jni/BUILD.bazel

@@ -36,6 +36,15 @@
 
 load("//:build_defs.bzl", "MOZC_TAGS", "mozc_cc_library")
 
+# https://github.com/bazelbuild/rules_android_ndk/issues/5#issuecomment-1381282580
+# To reproduce "libpthread.a", run the following command.
+#   echo -n -e "create libpthread.a\nsave\nend" | ar -M
+cc_library(
+    name = "fake_pthread",
+    srcs = ["libpthread.a"],
+    linkopts = ["-L"+package_name()],
+)
+
 mozc_cc_library(
     name = "mozcjni",
     srcs = ["mozcjni.cc"],
@@ -56,6 +65,18 @@ mozc_cc_library(
         "@com_google_absl//absl/random",
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
+        ":fake_pthread",
     ],
     alwayslink = 1,
 )
+
+android_binary(
+    name = "mozc",
+    srcs = glob([
+        "NoOpActivity.java",
+    ]),
+    manifest = "AndroidManifest.xml",
+    deps = [
+        ":mozcjni",
+    ],
+)

src/android/jni/FakeActivity.java

@@ -0,0 +1,40 @@
+// Copyright 2010-2023, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package org.mozc.android.build;
+
+import andorid.app.Activity;
+
+public class FakeActivity extends Activity {
+  @Override
+  public void OnCreate() {
+    super.OnCreate();
+    System.loadLibrary("mozc");
+  }
+}

src/android/jni/libpthread.a

@@ -0,0 +1 @@
+!<arch>