public override void OnPreprocessBuild(BuildTarget target, string path)
{
var isARCoreRequired = ARCoreProjectSettings.Instance.IsARCoreRequired;
Debug.LogFormat(
"Building \"{0}\" app. Use 'Edit > Project Settings > ARCore' to adjust " +
"ARCore SDK for Unity settings.\n" +
"See {1} for more information.",
isARCoreRequired ? "AR Required" : "AR Optional",
"https://developers.google.com/ar/develop/unity/enable-arcore");
AssetHelper.GetPluginImporterByName("google_ar_required.aar")
.SetCompatibleWithPlatform(BuildTarget.Android, isARCoreRequired);
AssetHelper.GetPluginImporterByName("google_ar_optional.aar")
.SetCompatibleWithPlatform(BuildTarget.Android, !isARCoreRequired);
}
private void _PreprocessAndroidBuild()
{
// Get the Jdk path.
var jdkPath = UnityEditor.EditorPrefs.GetString("JdkPath");
if (string.IsNullOrEmpty(jdkPath))
{
Debug.Log(
"Unity 'Preferences > External Tools > Android JDK' path is not set. " +
"Falling back to JAVA_HOME environment variable.");
jdkPath = System.Environment.GetEnvironmentVariable("JAVA_HOME");
}
if (string.IsNullOrEmpty(jdkPath))
{
throw new BuildFailedException(
"A JDK path needs to be specified for the Android build.");
}
bool cloudAnchorsEnabled =
!string.IsNullOrEmpty(ARCoreProjectSettings.Instance.CloudServicesApiKey);
var cachedCurrentDirectory = Directory.GetCurrentDirectory();
var pluginsFolderPath = Path.Combine(cachedCurrentDirectory,
AssetDatabase.GUIDToAssetPath(k_PluginsFolderGuid));
string cloudAnchorsManifestAarPath =
Path.Combine(pluginsFolderPath, "cloud_anchor_manifest.aar");
var jarPath = Path.Combine(jdkPath, "bin/jar");
if (cloudAnchorsEnabled)
{
// If the Api Key didn't change then do nothing.
if (!_IsApiKeyDirty(jarPath, cloudAnchorsManifestAarPath,
ARCoreProjectSettings.Instance.CloudServicesApiKey))
{
return;
}
// Replace the project's cloud anchor AAR with the newly generated AAR.
Debug.Log("Enabling Cloud Anchors in this build.");
var tempDirectoryPath =
Path.Combine(cachedCurrentDirectory, FileUtil.GetUniqueTempPathInProject());
try
{
// Move to a temp directory.
Directory.CreateDirectory(tempDirectoryPath);
Directory.SetCurrentDirectory(tempDirectoryPath);
var manifestTemplatePath = Path.Combine(
cachedCurrentDirectory,
AssetDatabase.GUIDToAssetPath(k_ManifestTemplateGuid));
// Extract the "template AAR" and remove it.
string output;
string errors;
ShellHelper.RunCommand(
jarPath, string.Format("xf \"{0}\"", manifestTemplatePath), out output,
out errors);
// Replace Api key template parameter in manifest file.
var manifestPath = Path.Combine(tempDirectoryPath, "AndroidManifest.xml");
var manifestText = File.ReadAllText(manifestPath);
manifestText = manifestText.Replace(
"{{CLOUD_ANCHOR_API_KEY}}",
ARCoreProjectSettings.Instance.CloudServicesApiKey);
File.WriteAllText(manifestPath, manifestText);
// Compress the new AAR.
var fileListBuilder = new StringBuilder();
foreach (var filePath in Directory.GetFiles(tempDirectoryPath))
{
fileListBuilder.AppendFormat(" {0}", Path.GetFileName(filePath));
}
string command = string.Format(
"cf cloud_anchor_manifest.aar {0}", fileListBuilder.ToString());
ShellHelper.RunCommand(
jarPath,
command,
out output,
out errors);
if (!string.IsNullOrEmpty(errors))
{
throw new BuildFailedException(
string.Format(
"Error creating jar for cloud anchor manifest: {0}", errors));
}
File.Copy(Path.Combine(tempDirectoryPath, "cloud_anchor_manifest.aar"),
cloudAnchorsManifestAarPath, true);
}
finally
{
// Cleanup.
Directory.SetCurrentDirectory(cachedCurrentDirectory);
Directory.Delete(tempDirectoryPath, true);
AssetDatabase.Refresh();
}
AssetHelper.GetPluginImporterByName("cloud_anchor_manifest.aar")
.SetCompatibleWithPlatform(BuildTarget.Android, true);
}
else
{
Debug.Log(
"Cloud Anchor API key has not been set. Cloud Anchors will be disabled in " +
"this build.");
File.Delete(cloudAnchorsManifestAarPath);
AssetDatabase.Refresh();
}
}