From f623721c08bb95e2c333e43a41be3c8e27ff1f8f Mon Sep 17 00:00:00 2001
From: Colin Cross <ccross@android.com>
Date: Mon, 29 Oct 2018 23:14:58 -0700
Subject: Create bundle modules suitable for bundletool

Create a bundle module in addition to creating an APK, which can
then optionally be merged with bundle modules from builds for
other architectures and then be passed to bundletool to create an
app bundle.

Bug: 117295826
Test: tapas RecoveryLocalizer && m dist
Change-Id: I98a17d7407dc56823ece9ec88c087780185a6555
---
 java/app_builder.go | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'java/app_builder.go')

diff --git a/java/app_builder.go b/java/app_builder.go
index 424aec85..476eb60c 100644
--- a/java/app_builder.go
+++ b/java/app_builder.go
@@ -134,6 +134,50 @@ func BuildAAR(ctx android.ModuleContext, outputFile android.WritablePath,
 	})
 }
 
+var buildBundleModule = pctx.AndroidStaticRule("buildBundleModule",
+	blueprint.RuleParams{
+		Command: `${config.Zip2ZipCmd} -i ${in} -o ${out}.res.zip AndroidManifest.xml:manifest/AndroidManifest.xml resources.pb "res/**/*" "assets/**/*" &&` +
+			`${config.Zip2ZipCmd} -i ${dexJar} -o ${out}.dex.zip "classes*.dex:dex/" && ` +
+			`${config.MergeZipsCmd} ${out} ${out}.res.zip ${out}.dex.zip ${jniJar} && ` +
+			`rm ${out}.res.zip ${out}.dex.zip`,
+		CommandDeps: []string{
+			"${config.Zip2ZipCmd}",
+			"${config.MergeZipsCmd}",
+		},
+	}, "dexJar", "jniJar")
+
+// Builds an app into a module suitable for input to bundletool
+func BuildBundleModule(ctx android.ModuleContext, outputFile android.WritablePath,
+	resJarFile, jniJarFile, dexJarFile android.Path) {
+
+	protoResJarFile := android.PathForModuleOut(ctx, "package-res.pb.apk")
+	aapt2Convert(ctx, protoResJarFile, resJarFile)
+
+	var deps android.Paths
+	var jniPath string
+	var dexPath string
+	if dexJarFile != nil {
+		deps = append(deps, dexJarFile)
+		dexPath = dexJarFile.String()
+	}
+	if jniJarFile != nil {
+		deps = append(deps, jniJarFile)
+		jniPath = jniJarFile.String()
+	}
+
+	ctx.Build(pctx, android.BuildParams{
+		Rule:        buildBundleModule,
+		Implicits:   deps,
+		Input:       protoResJarFile,
+		Output:      outputFile,
+		Description: "bundle",
+		Args: map[string]string{
+			"dexJar": dexPath,
+			"jniJar": jniPath,
+		},
+	})
+}
+
 func TransformJniLibsToJar(ctx android.ModuleContext, outputFile android.WritablePath,
 	jniLibs []jniLib) {
 
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