1// Copyright 2015 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package java
16
17// This file contains the module implementations for android_app, android_test, and some more
18// related module types, including their override variants.
19
20import (
21	"fmt"
22	"path/filepath"
23	"strings"
24
25	"android/soong/testing"
26
27	"github.com/google/blueprint"
28	"github.com/google/blueprint/proptools"
29
30	"android/soong/android"
31	"android/soong/cc"
32	"android/soong/dexpreopt"
33	"android/soong/genrule"
34	"android/soong/tradefed"
35)
36
37func init() {
38	RegisterAppBuildComponents(android.InitRegistrationContext)
39	pctx.HostBinToolVariable("ModifyAllowlistCmd", "modify_permissions_allowlist")
40}
41
42var (
43	modifyAllowlist = pctx.AndroidStaticRule("modifyAllowlist",
44		blueprint.RuleParams{
45			Command:     "${ModifyAllowlistCmd} $in $packageName $out",
46			CommandDeps: []string{"${ModifyAllowlistCmd}"},
47		}, "packageName")
48)
49
50func RegisterAppBuildComponents(ctx android.RegistrationContext) {
51	ctx.RegisterModuleType("android_app", AndroidAppFactory)
52	ctx.RegisterModuleType("android_test", AndroidTestFactory)
53	ctx.RegisterModuleType("android_test_helper_app", AndroidTestHelperAppFactory)
54	ctx.RegisterModuleType("android_app_certificate", AndroidAppCertificateFactory)
55	ctx.RegisterModuleType("override_android_app", OverrideAndroidAppModuleFactory)
56	ctx.RegisterModuleType("override_android_test", OverrideAndroidTestModuleFactory)
57}
58
59// AndroidManifest.xml merging
60// package splits
61
62type appProperties struct {
63	// Names of extra android_app_certificate modules to sign the apk with in the form ":module".
64	Additional_certificates []string
65
66	// If set, create package-export.apk, which other packages can
67	// use to get PRODUCT-agnostic resource data like IDs and type definitions.
68	Export_package_resources *bool
69
70	// Specifies that this app should be installed to the priv-app directory,
71	// where the system will grant it additional privileges not available to
72	// normal apps.
73	Privileged *bool
74
75	// list of resource labels to generate individual resource packages
76	Package_splits []string
77
78	// list of native libraries that will be provided in or alongside the resulting jar
79	Jni_libs []string `android:"arch_variant"`
80
81	// if true, use JNI libraries that link against platform APIs even if this module sets
82	// sdk_version.
83	Jni_uses_platform_apis *bool
84
85	// if true, use JNI libraries that link against SDK APIs even if this module does not set
86	// sdk_version.
87	Jni_uses_sdk_apis *bool
88
89	// STL library to use for JNI libraries.
90	Stl *string `android:"arch_variant"`
91
92	// Store native libraries uncompressed in the APK and set the android:extractNativeLibs="false" manifest
93	// flag so that they are used from inside the APK at runtime.  Defaults to true for android_test modules unless
94	// sdk_version or min_sdk_version is set to a version that doesn't support it (<23), defaults to true for
95	// android_app modules that are embedded to APEXes, defaults to false for other module types where the native
96	// libraries are generally preinstalled outside the APK.
97	Use_embedded_native_libs *bool
98
99	// Store dex files uncompressed in the APK and set the android:useEmbeddedDex="true" manifest attribute so that
100	// they are used from inside the APK at runtime.
101	Use_embedded_dex *bool
102
103	// Forces native libraries to always be packaged into the APK,
104	// Use_embedded_native_libs still selects whether they are stored uncompressed and aligned or compressed.
105	// True for android_test* modules.
106	AlwaysPackageNativeLibs bool `blueprint:"mutated"`
107
108	// If set, find and merge all NOTICE files that this module and its dependencies have and store
109	// it in the APK as an asset.
110	Embed_notices *bool
111
112	// cc.Coverage related properties
113	PreventInstall    bool `blueprint:"mutated"`
114	IsCoverageVariant bool `blueprint:"mutated"`
115
116	// It can be set to test the behaviour of default target sdk version.
117	// Only required when updatable: false. It is an error if updatable: true and this is false.
118	Enforce_default_target_sdk_version *bool
119
120	// If set, the targetSdkVersion for the target is set to the latest default API level.
121	// This would be by default false, unless updatable: true or
122	// enforce_default_target_sdk_version: true in which case this defaults to true.
123	EnforceDefaultTargetSdkVersion bool `blueprint:"mutated"`
124
125	// Whether this app is considered mainline updatable or not. When set to true, this will enforce
126	// additional rules to make sure an app can safely be updated. Default is false.
127	// Prefer using other specific properties if build behaviour must be changed; avoid using this
128	// flag for anything but neverallow rules (unless the behaviour change is invisible to owners).
129	Updatable *bool
130
131	// Specifies the file that contains the allowlist for this app.
132	Privapp_allowlist *string `android:"path"`
133
134	// If set, create an RRO package which contains only resources having PRODUCT_CHARACTERISTICS
135	// and install the RRO package to /product partition, instead of passing --product argument
136	// to aapt2. Default is false.
137	// Setting this will make this APK identical to all targets, regardless of
138	// PRODUCT_CHARACTERISTICS.
139	Generate_product_characteristics_rro *bool
140
141	ProductCharacteristicsRROPackageName        *string `blueprint:"mutated"`
142	ProductCharacteristicsRROManifestModuleName *string `blueprint:"mutated"`
143}
144
145// android_app properties that can be overridden by override_android_app
146type overridableAppProperties struct {
147	// The name of a certificate in the default certificate directory, blank to use the default product certificate,
148	// or an android_app_certificate module name in the form ":module".
149	Certificate *string
150
151	// Name of the signing certificate lineage file or filegroup module.
152	Lineage *string `android:"path"`
153
154	// For overriding the --rotation-min-sdk-version property of apksig
155	RotationMinSdkVersion *string
156
157	// the package name of this app. The package name in the manifest file is used if one was not given.
158	Package_name *string
159
160	// the logging parent of this app.
161	Logging_parent *string
162
163	// Whether to rename the package in resources to the override name rather than the base name. Defaults to true.
164	Rename_resources_package *bool
165
166	// Names of modules to be overridden. Listed modules can only be other binaries
167	// (in Make or Soong).
168	// This does not completely prevent installation of the overridden binaries, but if both
169	// binaries would be installed by default (in PRODUCT_PACKAGES) the other binary will be removed
170	// from PRODUCT_PACKAGES.
171	Overrides []string
172}
173
174type AndroidApp struct {
175	Library
176	aapt
177	android.OverridableModuleBase
178
179	certificate Certificate
180
181	appProperties appProperties
182
183	overridableAppProperties overridableAppProperties
184
185	jniLibs                  []jniLib
186	installPathForJNISymbols android.Path
187	embeddedJniLibs          bool
188	jniCoverageOutputs       android.Paths
189
190	bundleFile android.Path
191
192	// the install APK name is normally the same as the module name, but can be overridden with PRODUCT_PACKAGE_NAME_OVERRIDES.
193	installApkName string
194
195	installDir android.InstallPath
196
197	onDeviceDir string
198
199	additionalAaptFlags []string
200
201	overriddenManifestPackageName string
202
203	android.ApexBundleDepsInfo
204
205	javaApiUsedByOutputFile android.ModuleOutPath
206
207	privAppAllowlist android.OptionalPath
208}
209
210func (a *AndroidApp) IsInstallable() bool {
211	return Bool(a.properties.Installable)
212}
213
214func (a *AndroidApp) ResourcesNodeDepSet() *android.DepSet[*resourcesNode] {
215	return a.aapt.resourcesNodesDepSet
216}
217
218func (a *AndroidApp) OutputFile() android.Path {
219	return a.outputFile
220}
221
222func (a *AndroidApp) Certificate() Certificate {
223	return a.certificate
224}
225
226func (a *AndroidApp) JniCoverageOutputs() android.Paths {
227	return a.jniCoverageOutputs
228}
229
230func (a *AndroidApp) PrivAppAllowlist() android.OptionalPath {
231	return a.privAppAllowlist
232}
233
234var _ AndroidLibraryDependency = (*AndroidApp)(nil)
235
236type Certificate struct {
237	Pem, Key  android.Path
238	presigned bool
239}
240
241var PresignedCertificate = Certificate{presigned: true}
242
243func (c Certificate) AndroidMkString() string {
244	if c.presigned {
245		return "PRESIGNED"
246	} else {
247		return c.Pem.String()
248	}
249}
250
251func (a *AndroidApp) DepsMutator(ctx android.BottomUpMutatorContext) {
252	if String(a.appProperties.Stl) == "c++_shared" && !a.SdkVersion(ctx).Specified() {
253		ctx.PropertyErrorf("stl", "sdk_version must be set in order to use c++_shared")
254	}
255
256	sdkDep := decodeSdkDep(ctx, android.SdkContext(a))
257	a.usesLibrary.deps(ctx, sdkDep.hasFrameworkLibs())
258	a.Module.deps(ctx)
259	if sdkDep.hasFrameworkLibs() {
260		a.aapt.deps(ctx, sdkDep)
261	}
262
263	usesSDK := a.SdkVersion(ctx).Specified() && a.SdkVersion(ctx).Kind != android.SdkCorePlatform
264
265	if usesSDK && Bool(a.appProperties.Jni_uses_sdk_apis) {
266		ctx.PropertyErrorf("jni_uses_sdk_apis",
267			"can only be set for modules that do not set sdk_version")
268	} else if !usesSDK && Bool(a.appProperties.Jni_uses_platform_apis) {
269		ctx.PropertyErrorf("jni_uses_platform_apis",
270			"can only be set for modules that set sdk_version")
271	}
272
273	for _, jniTarget := range ctx.MultiTargets() {
274		variation := append(jniTarget.Variations(),
275			blueprint.Variation{Mutator: "link", Variation: "shared"})
276
277		// Test whether to use the SDK variant or the non-SDK variant of JNI dependencies.
278		// Many factors are considered here.
279		// 1. Basically, the selection follows whether the app has sdk_version set or not.
280		jniUsesSdkVariant := usesSDK
281		// 2. However, jni_uses_platform_apis and jni_uses_sdk_apis can override it
282		if Bool(a.appProperties.Jni_uses_sdk_apis) {
283			jniUsesSdkVariant = true
284		}
285		if Bool(a.appProperties.Jni_uses_platform_apis) {
286			jniUsesSdkVariant = false
287		}
288		// 3. Then the use of SDK variant is again prohibited for the following cases:
289		// 3.1. the app is shipped on unbundled partitions like vendor. Since the entire
290		// partition (not only the app) is considered unbudled, there's no need to use the
291		// SDK variant.
292		// 3.2. the app doesn't support embedding the JNI libs
293		if a.RequiresStableAPIs(ctx) || !a.shouldEmbedJnis(ctx) {
294			jniUsesSdkVariant = false
295		}
296		if jniUsesSdkVariant {
297			variation = append(variation, blueprint.Variation{Mutator: "sdk", Variation: "sdk"})
298		}
299
300		// Use the installable dep tag when the JNIs are not embedded
301		var tag dependencyTag
302		if a.shouldEmbedJnis(ctx) {
303			tag = jniLibTag
304		} else {
305			tag = jniInstallTag
306		}
307		ctx.AddFarVariationDependencies(variation, tag, a.appProperties.Jni_libs...)
308	}
309	for _, aconfig_declaration := range a.aaptProperties.Flags_packages {
310		ctx.AddDependency(ctx.Module(), aconfigDeclarationTag, aconfig_declaration)
311	}
312}
313
314func (a *AndroidApp) OverridablePropertiesDepsMutator(ctx android.BottomUpMutatorContext) {
315	cert := android.SrcIsModule(a.getCertString(ctx))
316	if cert != "" {
317		ctx.AddDependency(ctx.Module(), certificateTag, cert)
318	}
319
320	if a.appProperties.Privapp_allowlist != nil && !Bool(a.appProperties.Privileged) {
321		// There are a few uids that are explicitly considered privileged regardless of their
322		// app's location. Bluetooth is one such app. It should arguably be moved to priv-app,
323		// but for now, allow it not to be in priv-app.
324		privilegedBecauseOfUid := ctx.ModuleName() == "Bluetooth"
325		if !privilegedBecauseOfUid {
326			ctx.PropertyErrorf("privapp_allowlist", "privileged must be set in order to use privapp_allowlist (with a few exceptions)")
327		}
328	}
329
330	for _, cert := range a.appProperties.Additional_certificates {
331		cert = android.SrcIsModule(cert)
332		if cert != "" {
333			ctx.AddDependency(ctx.Module(), certificateTag, cert)
334		} else {
335			ctx.PropertyErrorf("additional_certificates",
336				`must be names of android_app_certificate modules in the form ":module"`)
337		}
338	}
339}
340
341func (a *AndroidTestHelperApp) GenerateAndroidBuildActions(ctx android.ModuleContext) {
342	applicationId := a.appTestHelperAppProperties.Manifest_values.ApplicationId
343	if applicationId != nil {
344		if a.overridableAppProperties.Package_name != nil {
345			ctx.PropertyErrorf("manifest_values.applicationId", "property is not supported when property package_name is set.")
346		}
347		a.aapt.manifestValues.applicationId = *applicationId
348	}
349	a.generateAndroidBuildActions(ctx)
350	android.SetProvider(ctx, android.TestOnlyProviderKey, android.TestModuleInformation{
351		TestOnly: true,
352	})
353
354}
355
356func (a *AndroidApp) GenerateAndroidBuildActions(ctx android.ModuleContext) {
357	a.checkAppSdkVersions(ctx)
358	a.checkEmbedJnis(ctx)
359	a.generateAndroidBuildActions(ctx)
360	a.generateJavaUsedByApex(ctx)
361}
362
363func (a *AndroidApp) checkAppSdkVersions(ctx android.ModuleContext) {
364	if a.Updatable() {
365		if !a.SdkVersion(ctx).Stable() {
366			ctx.PropertyErrorf("sdk_version", "Updatable apps must use stable SDKs, found %v", a.SdkVersion(ctx))
367		}
368		if String(a.overridableProperties.Min_sdk_version) == "" {
369			ctx.PropertyErrorf("updatable", "updatable apps must set min_sdk_version.")
370		}
371
372		if minSdkVersion, err := a.MinSdkVersion(ctx).EffectiveVersion(ctx); err == nil {
373			a.checkJniLibsSdkVersion(ctx, minSdkVersion)
374			android.CheckMinSdkVersion(ctx, minSdkVersion, a.WalkPayloadDeps)
375		} else {
376			ctx.PropertyErrorf("min_sdk_version", "%s", err.Error())
377		}
378
379		if !BoolDefault(a.appProperties.Enforce_default_target_sdk_version, true) {
380			ctx.PropertyErrorf("enforce_default_target_sdk_version", "Updatable apps must enforce default target sdk version")
381		}
382		// TODO(b/227460469) after all the modules removes the target sdk version, throw an error if the target sdk version is explicitly set.
383		if a.deviceProperties.Target_sdk_version == nil {
384			a.SetEnforceDefaultTargetSdkVersion(true)
385		}
386	}
387
388	a.checkPlatformAPI(ctx)
389	a.checkSdkVersions(ctx)
390}
391
392// Ensures that use_embedded_native_libs are set for apk-in-apex
393func (a *AndroidApp) checkEmbedJnis(ctx android.BaseModuleContext) {
394	apexInfo, _ := android.ModuleProvider(ctx, android.ApexInfoProvider)
395	apkInApex := !apexInfo.IsForPlatform()
396	hasJnis := len(a.appProperties.Jni_libs) > 0
397
398	if apkInApex && hasJnis && !Bool(a.appProperties.Use_embedded_native_libs) {
399		ctx.ModuleErrorf("APK in APEX should have use_embedded_native_libs: true")
400	}
401}
402
403// If an updatable APK sets min_sdk_version, min_sdk_vesion of JNI libs should match with it.
404// This check is enforced for "updatable" APKs (including APK-in-APEX).
405func (a *AndroidApp) checkJniLibsSdkVersion(ctx android.ModuleContext, minSdkVersion android.ApiLevel) {
406	// It's enough to check direct JNI deps' sdk_version because all transitive deps from JNI deps are checked in cc.checkLinkType()
407	ctx.VisitDirectDeps(func(m android.Module) {
408		if !IsJniDepTag(ctx.OtherModuleDependencyTag(m)) {
409			return
410		}
411		dep, _ := m.(*cc.Module)
412		// The domain of cc.sdk_version is "current" and <number>
413		// We can rely on android.SdkSpec to convert it to <number> so that "current" is
414		// handled properly regardless of sdk finalization.
415		jniSdkVersion, err := android.SdkSpecFrom(ctx, dep.MinSdkVersion()).EffectiveVersion(ctx)
416		if err != nil || minSdkVersion.LessThan(jniSdkVersion) {
417			ctx.OtherModuleErrorf(dep, "min_sdk_version(%v) is higher than min_sdk_version(%v) of the containing android_app(%v)",
418				dep.MinSdkVersion(), minSdkVersion, ctx.ModuleName())
419			return
420		}
421
422	})
423}
424
425// Returns true if the native libraries should be stored in the APK uncompressed and the
426// extractNativeLibs application flag should be set to false in the manifest.
427func (a *AndroidApp) useEmbeddedNativeLibs(ctx android.ModuleContext) bool {
428	minSdkVersion, err := a.MinSdkVersion(ctx).EffectiveVersion(ctx)
429	if err != nil {
430		ctx.PropertyErrorf("min_sdk_version", "invalid value %q: %s", a.MinSdkVersion(ctx), err)
431	}
432
433	apexInfo, _ := android.ModuleProvider(ctx, android.ApexInfoProvider)
434	return (minSdkVersion.FinalOrFutureInt() >= 23 && Bool(a.appProperties.Use_embedded_native_libs)) ||
435		!apexInfo.IsForPlatform()
436}
437
438// Returns whether this module should have the dex file stored uncompressed in the APK.
439func (a *AndroidApp) shouldUncompressDex(ctx android.ModuleContext) bool {
440	if Bool(a.appProperties.Use_embedded_dex) {
441		return true
442	}
443
444	// Uncompress dex in APKs of privileged apps (even for unbundled builds, they may
445	// be preinstalled as prebuilts).
446	if ctx.Config().UncompressPrivAppDex() && a.Privileged() {
447		return true
448	}
449
450	if ctx.Config().UnbundledBuild() {
451		return false
452	}
453
454	return shouldUncompressDex(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), &a.dexpreopter)
455}
456
457func (a *AndroidApp) shouldEmbedJnis(ctx android.BaseModuleContext) bool {
458	return ctx.Config().UnbundledBuild() || Bool(a.appProperties.Use_embedded_native_libs) ||
459		Bool(a.appProperties.Updatable) ||
460		a.appProperties.AlwaysPackageNativeLibs
461}
462
463func generateAaptRenamePackageFlags(packageName string, renameResourcesPackage bool) []string {
464	aaptFlags := []string{"--rename-manifest-package " + packageName}
465	if renameResourcesPackage {
466		// Required to rename the package name in the resources table.
467		aaptFlags = append(aaptFlags, "--rename-resources-package "+packageName)
468	}
469	return aaptFlags
470}
471
472func (a *AndroidApp) OverriddenManifestPackageName() string {
473	return a.overriddenManifestPackageName
474}
475
476func (a *AndroidApp) renameResourcesPackage() bool {
477	return proptools.BoolDefault(a.overridableAppProperties.Rename_resources_package, true)
478}
479
480func getAconfigFilePaths(ctx android.ModuleContext) (aconfigTextFilePaths android.Paths) {
481	ctx.VisitDirectDepsWithTag(aconfigDeclarationTag, func(dep android.Module) {
482		if provider, ok := android.OtherModuleProvider(ctx, dep, android.AconfigDeclarationsProviderKey); ok {
483			aconfigTextFilePaths = append(aconfigTextFilePaths, provider.IntermediateDumpOutputPath)
484		} else {
485			ctx.ModuleErrorf("Only aconfig_declarations module type is allowed for "+
486				"flags_packages property, but %s is not aconfig_declarations module type",
487				dep.Name(),
488			)
489		}
490	})
491
492	return aconfigTextFilePaths
493}
494
495func (a *AndroidApp) aaptBuildActions(ctx android.ModuleContext) {
496	usePlatformAPI := proptools.Bool(a.Module.deviceProperties.Platform_apis)
497	if ctx.Module().(android.SdkContext).SdkVersion(ctx).Kind == android.SdkModule {
498		usePlatformAPI = true
499	}
500	a.aapt.usesNonSdkApis = usePlatformAPI
501
502	// Ask manifest_fixer to add or update the application element indicating this app has no code.
503	a.aapt.hasNoCode = !a.hasCode(ctx)
504
505	aaptLinkFlags := []string{}
506
507	// Add TARGET_AAPT_CHARACTERISTICS values to AAPT link flags if they exist and --product flags were not provided.
508	autogenerateRRO := proptools.Bool(a.appProperties.Generate_product_characteristics_rro)
509	hasProduct := android.PrefixInList(a.aaptProperties.Aaptflags, "--product")
510	characteristics := ctx.Config().ProductAAPTCharacteristics()
511	if !autogenerateRRO && !hasProduct && len(characteristics) > 0 && characteristics != "default" {
512		aaptLinkFlags = append(aaptLinkFlags, "--product", characteristics)
513	}
514
515	if !Bool(a.aaptProperties.Aapt_include_all_resources) {
516		// Product AAPT config
517		for _, aaptConfig := range ctx.Config().ProductAAPTConfig() {
518			aaptLinkFlags = append(aaptLinkFlags, "-c", aaptConfig)
519		}
520
521		// Product AAPT preferred config
522		if len(ctx.Config().ProductAAPTPreferredConfig()) > 0 {
523			aaptLinkFlags = append(aaptLinkFlags, "--preferred-density", ctx.Config().ProductAAPTPreferredConfig())
524		}
525	}
526
527	manifestPackageName, overridden := ctx.DeviceConfig().OverrideManifestPackageNameFor(ctx.ModuleName())
528	if overridden || a.overridableAppProperties.Package_name != nil {
529		// The product override variable has a priority over the package_name property.
530		if !overridden {
531			manifestPackageName = *a.overridableAppProperties.Package_name
532		}
533		aaptLinkFlags = append(aaptLinkFlags, generateAaptRenamePackageFlags(manifestPackageName, a.renameResourcesPackage())...)
534		a.overriddenManifestPackageName = manifestPackageName
535	}
536
537	aaptLinkFlags = append(aaptLinkFlags, a.additionalAaptFlags...)
538
539	a.aapt.splitNames = a.appProperties.Package_splits
540	a.aapt.LoggingParent = String(a.overridableAppProperties.Logging_parent)
541	if a.Updatable() {
542		if override := ctx.Config().Getenv("OVERRIDE_APEX_MANIFEST_DEFAULT_VERSION"); override != "" {
543			a.aapt.defaultManifestVersion = override
544		} else {
545			a.aapt.defaultManifestVersion = android.DefaultUpdatableModuleVersion
546		}
547	}
548
549	// Use non final ids if we are doing optimized shrinking and are using R8.
550	nonFinalIds := a.dexProperties.optimizedResourceShrinkingEnabled(ctx) && a.dexer.effectiveOptimizeEnabled()
551	a.aapt.buildActions(ctx,
552		aaptBuildActionOptions{
553			sdkContext:                     android.SdkContext(a),
554			classLoaderContexts:            a.classLoaderContexts,
555			excludedLibs:                   a.usesLibraryProperties.Exclude_uses_libs,
556			enforceDefaultTargetSdkVersion: a.enforceDefaultTargetSdkVersion(),
557			forceNonFinalResourceIDs:       nonFinalIds,
558			extraLinkFlags:                 aaptLinkFlags,
559			aconfigTextFiles:               getAconfigFilePaths(ctx),
560			usesLibrary:                    &a.usesLibrary,
561		},
562	)
563
564	// apps manifests are handled by aapt, don't let Module see them
565	a.properties.Manifest = nil
566}
567
568func (a *AndroidApp) proguardBuildActions(ctx android.ModuleContext) {
569	var staticLibProguardFlagFiles android.Paths
570	ctx.VisitDirectDeps(func(m android.Module) {
571		depProguardInfo, _ := android.OtherModuleProvider(ctx, m, ProguardSpecInfoProvider)
572		staticLibProguardFlagFiles = append(staticLibProguardFlagFiles, depProguardInfo.UnconditionallyExportedProguardFlags.ToList()...)
573		if ctx.OtherModuleDependencyTag(m) == staticLibTag {
574			staticLibProguardFlagFiles = append(staticLibProguardFlagFiles, depProguardInfo.ProguardFlagsFiles.ToList()...)
575		}
576	})
577
578	staticLibProguardFlagFiles = android.FirstUniquePaths(staticLibProguardFlagFiles)
579
580	a.Module.extraProguardFlagsFiles = append(a.Module.extraProguardFlagsFiles, staticLibProguardFlagFiles...)
581	if !(a.dexProperties.optimizedResourceShrinkingEnabled(ctx)) {
582		// When using the optimized shrinking the R8 enqueuer will traverse the xml files that become
583		// live for code references and (transitively) mark these as live.
584		// In this case we explicitly don't wan't the aapt2 generated keep files (which would keep the now
585		// dead code alive)
586		a.Module.extraProguardFlagsFiles = append(a.Module.extraProguardFlagsFiles, a.proguardOptionsFile)
587	}
588}
589
590func (a *AndroidApp) installPath(ctx android.ModuleContext) android.InstallPath {
591	var installDir string
592	if ctx.ModuleName() == "framework-res" {
593		// framework-res.apk is installed as system/framework/framework-res.apk
594		installDir = "framework"
595	} else if a.Privileged() {
596		installDir = filepath.Join("priv-app", a.installApkName)
597	} else {
598		installDir = filepath.Join("app", a.installApkName)
599	}
600
601	return android.PathForModuleInstall(ctx, installDir, a.installApkName+".apk")
602}
603
604func (a *AndroidApp) dexBuildActions(ctx android.ModuleContext) (android.Path, android.Path) {
605	a.dexpreopter.installPath = a.installPath(ctx)
606	a.dexpreopter.isApp = true
607	if a.dexProperties.Uncompress_dex == nil {
608		// If the value was not force-set by the user, use reasonable default based on the module.
609		a.dexProperties.Uncompress_dex = proptools.BoolPtr(a.shouldUncompressDex(ctx))
610	}
611	a.dexpreopter.uncompressedDex = *a.dexProperties.Uncompress_dex
612	a.dexpreopter.enforceUsesLibs = a.usesLibrary.enforceUsesLibraries()
613	a.dexpreopter.classLoaderContexts = a.classLoaderContexts
614	a.dexpreopter.manifestFile = a.mergedManifestFile
615	a.dexpreopter.preventInstall = a.appProperties.PreventInstall
616
617	var packageResources = a.exportPackage
618
619	if ctx.ModuleName() != "framework-res" {
620		if a.dexProperties.resourceShrinkingEnabled(ctx) {
621			protoFile := android.PathForModuleOut(ctx, packageResources.Base()+".proto.apk")
622			aapt2Convert(ctx, protoFile, packageResources, "proto")
623			a.dexer.resourcesInput = android.OptionalPathForPath(protoFile)
624		}
625
626		var extraSrcJars android.Paths
627		var extraClasspathJars android.Paths
628		var extraCombinedJars android.Paths
629		if a.useResourceProcessorBusyBox(ctx) {
630			// When building an app with ResourceProcessorBusyBox enabled ResourceProcessorBusyBox has already
631			// created R.class files that provide IDs for resources in busybox/R.jar.  Pass that file in the
632			// classpath when compiling everything else, and add it to the final classes jar.
633			extraClasspathJars = android.Paths{a.aapt.rJar}
634			extraCombinedJars = android.Paths{a.aapt.rJar}
635		} else {
636			// When building an app without ResourceProcessorBusyBox the aapt2 rule creates R.srcjar containing
637			// R.java files for the app's package and the packages from all transitive static android_library
638			// dependencies.  Compile the srcjar alongside the rest of the sources.
639			extraSrcJars = android.Paths{a.aapt.aaptSrcJar}
640		}
641
642		a.Module.compile(ctx, extraSrcJars, extraClasspathJars, extraCombinedJars)
643		if a.dexProperties.resourceShrinkingEnabled(ctx) {
644			binaryResources := android.PathForModuleOut(ctx, packageResources.Base()+".binary.out.apk")
645			aapt2Convert(ctx, binaryResources, a.dexer.resourcesOutput.Path(), "binary")
646			packageResources = binaryResources
647		}
648	}
649
650	return a.dexJarFile.PathOrNil(), packageResources
651}
652
653func (a *AndroidApp) jniBuildActions(jniLibs []jniLib, prebuiltJniPackages android.Paths, ctx android.ModuleContext) android.WritablePath {
654	var jniJarFile android.WritablePath
655	if len(jniLibs) > 0 || len(prebuiltJniPackages) > 0 {
656		a.jniLibs = jniLibs
657		if a.shouldEmbedJnis(ctx) {
658			jniJarFile = android.PathForModuleOut(ctx, "jnilibs.zip")
659			a.installPathForJNISymbols = a.installPath(ctx)
660			TransformJniLibsToJar(ctx, jniJarFile, jniLibs, prebuiltJniPackages, a.useEmbeddedNativeLibs(ctx))
661			for _, jni := range jniLibs {
662				if jni.coverageFile.Valid() {
663					// Only collect coverage for the first target arch if this is a multilib target.
664					// TODO(jungjw): Ideally, we want to collect both reports, but that would cause coverage
665					// data file path collisions since the current coverage file path format doesn't contain
666					// arch-related strings. This is fine for now though; the code coverage team doesn't use
667					// multi-arch targets such as test_suite_* for coverage collections yet.
668					//
669					// Work with the team to come up with a new format that handles multilib modules properly
670					// and change this.
671					if len(ctx.Config().Targets[android.Android]) == 1 ||
672						ctx.Config().AndroidFirstDeviceTarget.Arch.ArchType == jni.target.Arch.ArchType {
673						a.jniCoverageOutputs = append(a.jniCoverageOutputs, jni.coverageFile.Path())
674					}
675				}
676			}
677			a.embeddedJniLibs = true
678		}
679	}
680	return jniJarFile
681}
682
683func (a *AndroidApp) JNISymbolsInstalls(installPath string) android.RuleBuilderInstalls {
684	var jniSymbols android.RuleBuilderInstalls
685	for _, jniLib := range a.jniLibs {
686		if jniLib.unstrippedFile != nil {
687			jniSymbols = append(jniSymbols, android.RuleBuilderInstall{
688				From: jniLib.unstrippedFile,
689				To:   filepath.Join(installPath, targetToJniDir(jniLib.target), jniLib.unstrippedFile.Base()),
690			})
691		}
692	}
693	return jniSymbols
694}
695
696// Reads and prepends a main cert from the default cert dir if it hasn't been set already, i.e. it
697// isn't a cert module reference. Also checks and enforces system cert restriction if applicable.
698func processMainCert(m android.ModuleBase, certPropValue string, certificates []Certificate,
699	ctx android.ModuleContext) (mainCertificate Certificate, allCertificates []Certificate) {
700	if android.SrcIsModule(certPropValue) == "" {
701		var mainCert Certificate
702		if certPropValue != "" {
703			defaultDir := ctx.Config().DefaultAppCertificateDir(ctx)
704			mainCert = Certificate{
705				Pem: defaultDir.Join(ctx, certPropValue+".x509.pem"),
706				Key: defaultDir.Join(ctx, certPropValue+".pk8"),
707			}
708		} else {
709			pem, key := ctx.Config().DefaultAppCertificate(ctx)
710			mainCert = Certificate{
711				Pem: pem,
712				Key: key,
713			}
714		}
715		certificates = append([]Certificate{mainCert}, certificates...)
716	}
717
718	if len(certificates) > 0 {
719		mainCertificate = certificates[0]
720	} else {
721		// This can be reached with an empty certificate list if AllowMissingDependencies is set
722		// and the certificate property for this module is a module reference to a missing module.
723		if !ctx.Config().AllowMissingDependencies() && len(ctx.GetMissingDependencies()) > 0 {
724			panic("Should only get here if AllowMissingDependencies set and there are missing dependencies")
725		}
726		// Set a certificate to avoid panics later when accessing it.
727		mainCertificate = Certificate{
728			Key: android.PathForModuleOut(ctx, "missing.pk8"),
729			Pem: android.PathForModuleOut(ctx, "missing.x509.pem"),
730		}
731	}
732
733	if !m.Platform() {
734		certPath := mainCertificate.Pem.String()
735		systemCertPath := ctx.Config().DefaultAppCertificateDir(ctx).String()
736		if strings.HasPrefix(certPath, systemCertPath) {
737			enforceSystemCert := ctx.Config().EnforceSystemCertificate()
738			allowed := ctx.Config().EnforceSystemCertificateAllowList()
739
740			if enforceSystemCert && !inList(m.Name(), allowed) {
741				ctx.PropertyErrorf("certificate", "The module in product partition cannot be signed with certificate in system.")
742			}
743		}
744	}
745
746	return mainCertificate, certificates
747}
748
749func (a *AndroidApp) InstallApkName() string {
750	return a.installApkName
751}
752
753func (a *AndroidApp) createPrivappAllowlist(ctx android.ModuleContext) android.Path {
754	if a.appProperties.Privapp_allowlist == nil {
755		return nil
756	}
757
758	isOverrideApp := a.GetOverriddenBy() != ""
759	if !isOverrideApp {
760		// if this is not an override, we don't need to rewrite the existing privapp allowlist
761		return android.PathForModuleSrc(ctx, *a.appProperties.Privapp_allowlist)
762	}
763
764	if a.overridableAppProperties.Package_name == nil {
765		ctx.PropertyErrorf("privapp_allowlist", "package_name must be set to use privapp_allowlist")
766	}
767
768	packageName := *a.overridableAppProperties.Package_name
769	fileName := "privapp_allowlist_" + packageName + ".xml"
770	outPath := android.PathForModuleOut(ctx, fileName).OutputPath
771	ctx.Build(pctx, android.BuildParams{
772		Rule:   modifyAllowlist,
773		Input:  android.PathForModuleSrc(ctx, *a.appProperties.Privapp_allowlist),
774		Output: outPath,
775		Args: map[string]string{
776			"packageName": packageName,
777		},
778	})
779	return &outPath
780}
781
782func (a *AndroidApp) generateAndroidBuildActions(ctx android.ModuleContext) {
783	var apkDeps android.Paths
784
785	apexInfo, _ := android.ModuleProvider(ctx, android.ApexInfoProvider)
786	if !apexInfo.IsForPlatform() {
787		a.hideApexVariantFromMake = true
788	}
789
790	a.aapt.useEmbeddedNativeLibs = a.useEmbeddedNativeLibs(ctx)
791	a.aapt.useEmbeddedDex = Bool(a.appProperties.Use_embedded_dex)
792
793	// Unlike installApkName, a.stem should respect base module name for override_android_app.
794	// Therefore, use ctx.ModuleName() instead of a.Name().
795	a.stem = proptools.StringDefault(a.overridableProperties.Stem, ctx.ModuleName())
796
797	// Check if the install APK name needs to be overridden.
798	// Both android_app and override_android_app module are expected to possess
799	// its module bound apk path. However, override_android_app inherits ctx.ModuleName()
800	// from the base module. Therefore, use a.Name() which represents
801	// the module name for both android_app and override_android_app.
802	a.installApkName = ctx.DeviceConfig().OverridePackageNameFor(
803		proptools.StringDefault(a.overridableProperties.Stem, a.Name()))
804
805	if ctx.ModuleName() == "framework-res" {
806		// framework-res.apk is installed as system/framework/framework-res.apk
807		a.installDir = android.PathForModuleInstall(ctx, "framework")
808	} else if a.Privileged() {
809		a.installDir = android.PathForModuleInstall(ctx, "priv-app", a.installApkName)
810	} else if ctx.InstallInTestcases() {
811		a.installDir = android.PathForModuleInstall(ctx, a.installApkName, ctx.DeviceConfig().DeviceArch())
812	} else {
813		a.installDir = android.PathForModuleInstall(ctx, "app", a.installApkName)
814	}
815	a.onDeviceDir = android.InstallPathToOnDevicePath(ctx, a.installDir)
816
817	a.classLoaderContexts = a.usesLibrary.classLoaderContextForUsesLibDeps(ctx)
818	if a.usesLibrary.shouldDisableDexpreopt {
819		a.dexpreopter.disableDexpreopt()
820	}
821
822	var noticeAssetPath android.WritablePath
823	if Bool(a.appProperties.Embed_notices) || ctx.Config().IsEnvTrue("ALWAYS_EMBED_NOTICES") {
824		// The rule to create the notice file can't be generated yet, as the final output path
825		// for the apk isn't known yet.  Add the path where the notice file will be generated to the
826		// aapt rules now before calling aaptBuildActions, the rule to create the notice file will
827		// be generated later.
828		noticeAssetPath = android.PathForModuleOut(ctx, "NOTICE", "NOTICE.html.gz")
829		a.aapt.noticeFile = android.OptionalPathForPath(noticeAssetPath)
830	}
831
832	// For apps targeting latest target_sdk_version
833	if Bool(a.appProperties.Enforce_default_target_sdk_version) {
834		a.SetEnforceDefaultTargetSdkVersion(true)
835	}
836
837	// Process all building blocks, from AAPT to certificates.
838	a.aaptBuildActions(ctx)
839	// The decision to enforce <uses-library> checks is made before adding implicit SDK libraries.
840	a.usesLibrary.freezeEnforceUsesLibraries()
841
842	// Check that the <uses-library> list is coherent with the manifest.
843	if a.usesLibrary.enforceUsesLibraries() {
844		manifestCheckFile := a.usesLibrary.verifyUsesLibrariesManifest(
845			ctx, a.mergedManifestFile, &a.classLoaderContexts)
846		apkDeps = append(apkDeps, manifestCheckFile)
847	}
848
849	a.proguardBuildActions(ctx)
850
851	a.linter.mergedManifest = a.aapt.mergedManifestFile
852	a.linter.manifest = a.aapt.manifestPath
853	a.linter.resources = a.aapt.resourceFiles
854	a.linter.buildModuleReportZip = ctx.Config().UnbundledBuildApps()
855
856	dexJarFile, packageResources := a.dexBuildActions(ctx)
857
858	// No need to check the SDK version of the JNI deps unless we embed them
859	checkNativeSdkVersion := a.shouldEmbedJnis(ctx) && !Bool(a.appProperties.Jni_uses_platform_apis)
860	jniLibs, prebuiltJniPackages, certificates := collectAppDeps(ctx, a, a.shouldEmbedJnis(ctx), checkNativeSdkVersion)
861	jniJarFile := a.jniBuildActions(jniLibs, prebuiltJniPackages, ctx)
862
863	if ctx.Failed() {
864		return
865	}
866
867	a.certificate, certificates = processMainCert(a.ModuleBase, a.getCertString(ctx), certificates, ctx)
868
869	// Build a final signed app package.
870	packageFile := android.PathForModuleOut(ctx, a.installApkName+".apk")
871	v4SigningRequested := Bool(a.Module.deviceProperties.V4_signature)
872	var v4SignatureFile android.WritablePath = nil
873	if v4SigningRequested {
874		v4SignatureFile = android.PathForModuleOut(ctx, a.installApkName+".apk.idsig")
875	}
876	var lineageFile android.Path
877	if lineage := String(a.overridableAppProperties.Lineage); lineage != "" {
878		lineageFile = android.PathForModuleSrc(ctx, lineage)
879	}
880	rotationMinSdkVersion := String(a.overridableAppProperties.RotationMinSdkVersion)
881
882	CreateAndSignAppPackage(ctx, packageFile, packageResources, jniJarFile, dexJarFile, certificates, apkDeps, v4SignatureFile, lineageFile, rotationMinSdkVersion)
883	a.outputFile = packageFile
884	if v4SigningRequested {
885		a.extraOutputFiles = append(a.extraOutputFiles, v4SignatureFile)
886	}
887
888	if a.aapt.noticeFile.Valid() {
889		// Generating the notice file rule has to be here after a.outputFile is known.
890		noticeFile := android.PathForModuleOut(ctx, "NOTICE.html.gz")
891		android.BuildNoticeHtmlOutputFromLicenseMetadata(
892			ctx, noticeFile, "", "",
893			[]string{
894				a.installDir.String() + "/",
895				android.PathForModuleInstall(ctx).String() + "/",
896				a.outputFile.String(),
897			})
898		builder := android.NewRuleBuilder(pctx, ctx)
899		builder.Command().Text("cp").
900			Input(noticeFile).
901			Output(noticeAssetPath)
902		builder.Build("notice_dir", "Building notice dir")
903	}
904
905	for _, split := range a.aapt.splits {
906		// Sign the split APKs
907		packageFile := android.PathForModuleOut(ctx, a.installApkName+"_"+split.suffix+".apk")
908		if v4SigningRequested {
909			v4SignatureFile = android.PathForModuleOut(ctx, a.installApkName+"_"+split.suffix+".apk.idsig")
910		}
911		CreateAndSignAppPackage(ctx, packageFile, split.path, nil, nil, certificates, apkDeps, v4SignatureFile, lineageFile, rotationMinSdkVersion)
912		a.extraOutputFiles = append(a.extraOutputFiles, packageFile)
913		if v4SigningRequested {
914			a.extraOutputFiles = append(a.extraOutputFiles, v4SignatureFile)
915		}
916	}
917
918	// Build an app bundle.
919	bundleFile := android.PathForModuleOut(ctx, "base.zip")
920	BuildBundleModule(ctx, bundleFile, a.exportPackage, jniJarFile, dexJarFile)
921	a.bundleFile = bundleFile
922
923	allowlist := a.createPrivappAllowlist(ctx)
924	if allowlist != nil {
925		a.privAppAllowlist = android.OptionalPathForPath(allowlist)
926	}
927
928	// Install the app package.
929	shouldInstallAppPackage := (Bool(a.Module.properties.Installable) || ctx.Host()) && apexInfo.IsForPlatform() && !a.appProperties.PreventInstall
930	if shouldInstallAppPackage {
931		if a.privAppAllowlist.Valid() {
932			allowlistInstallPath := android.PathForModuleInstall(ctx, "etc", "permissions")
933			allowlistInstallFilename := a.installApkName + ".xml"
934			ctx.InstallFile(allowlistInstallPath, allowlistInstallFilename, a.privAppAllowlist.Path())
935		}
936
937		var extraInstalledPaths android.InstallPaths
938		for _, extra := range a.extraOutputFiles {
939			installed := ctx.InstallFile(a.installDir, extra.Base(), extra)
940			extraInstalledPaths = append(extraInstalledPaths, installed)
941		}
942		// If we don't embed jni libs, make sure that those are installed along with the
943		// app, and also place symlinks to the installed paths under the lib/<arch>
944		// directory of the app installation directory. ex:
945		// /system/app/MyApp/lib/arm64/libfoo.so -> /system/lib64/libfoo.so
946		if !a.embeddedJniLibs {
947			for _, jniLib := range jniLibs {
948				archStr := jniLib.target.Arch.ArchType.String()
949				symlinkDir := a.installDir.Join(ctx, "lib", archStr)
950				for _, installedLib := range jniLib.installPaths {
951					// install the symlink itself
952					symlinkName := installedLib.Base()
953					symlinkTarget := android.InstallPathToOnDevicePath(ctx, installedLib)
954					ctx.InstallAbsoluteSymlink(symlinkDir, symlinkName, symlinkTarget)
955				}
956			}
957		}
958		ctx.InstallFile(a.installDir, a.outputFile.Base(), a.outputFile, extraInstalledPaths...)
959	}
960
961	a.buildAppDependencyInfo(ctx)
962
963	providePrebuiltInfo(ctx,
964		prebuiltInfoProps{
965			baseModuleName: a.BaseModuleName(),
966			isPrebuilt:     false,
967		},
968	)
969}
970
971type appDepsInterface interface {
972	SdkVersion(ctx android.EarlyModuleContext) android.SdkSpec
973	MinSdkVersion(ctx android.EarlyModuleContext) android.ApiLevel
974	RequiresStableAPIs(ctx android.BaseModuleContext) bool
975}
976
977func collectAppDeps(ctx android.ModuleContext, app appDepsInterface,
978	shouldCollectRecursiveNativeDeps bool,
979	checkNativeSdkVersion bool) ([]jniLib, android.Paths, []Certificate) {
980
981	if checkNativeSdkVersion {
982		checkNativeSdkVersion = app.SdkVersion(ctx).Specified() &&
983			app.SdkVersion(ctx).Kind != android.SdkCorePlatform && !app.RequiresStableAPIs(ctx)
984	}
985	jniLib, prebuiltJniPackages := collectJniDeps(ctx, shouldCollectRecursiveNativeDeps,
986		checkNativeSdkVersion, func(dep cc.LinkableInterface) bool {
987			return !dep.IsNdk(ctx.Config()) && !dep.IsStubs()
988		})
989
990	var certificates []Certificate
991
992	ctx.VisitDirectDeps(func(module android.Module) {
993		otherName := ctx.OtherModuleName(module)
994		tag := ctx.OtherModuleDependencyTag(module)
995
996		if tag == certificateTag {
997			if dep, ok := module.(*AndroidAppCertificate); ok {
998				certificates = append(certificates, dep.Certificate)
999			} else {
1000				ctx.ModuleErrorf("certificate dependency %q must be an android_app_certificate module", otherName)
1001			}
1002		}
1003	})
1004	return jniLib, prebuiltJniPackages, certificates
1005}
1006
1007func collectJniDeps(ctx android.ModuleContext,
1008	shouldCollectRecursiveNativeDeps bool,
1009	checkNativeSdkVersion bool,
1010	filter func(cc.LinkableInterface) bool) ([]jniLib, android.Paths) {
1011	var jniLibs []jniLib
1012	var prebuiltJniPackages android.Paths
1013	seenModulePaths := make(map[string]bool)
1014
1015	ctx.WalkDeps(func(module android.Module, parent android.Module) bool {
1016		otherName := ctx.OtherModuleName(module)
1017		tag := ctx.OtherModuleDependencyTag(module)
1018
1019		if IsJniDepTag(tag) || cc.IsSharedDepTag(tag) {
1020			if dep, ok := module.(cc.LinkableInterface); ok {
1021				if filter != nil && !filter(dep) {
1022					return false
1023				}
1024
1025				lib := dep.OutputFile()
1026				if lib.Valid() {
1027					path := lib.Path()
1028					if seenModulePaths[path.String()] {
1029						return false
1030					}
1031					seenModulePaths[path.String()] = true
1032
1033					if checkNativeSdkVersion && dep.SdkVersion() == "" {
1034						ctx.PropertyErrorf("jni_libs", "JNI dependency %q uses platform APIs, but this module does not",
1035							otherName)
1036					}
1037
1038					jniLibs = append(jniLibs, jniLib{
1039						name:           ctx.OtherModuleName(module),
1040						path:           path,
1041						target:         module.Target(),
1042						coverageFile:   dep.CoverageOutputFile(),
1043						unstrippedFile: dep.UnstrippedOutputFile(),
1044						partition:      dep.Partition(),
1045						installPaths:   dep.FilesToInstall(),
1046					})
1047				} else if ctx.Config().AllowMissingDependencies() {
1048					ctx.AddMissingDependencies([]string{otherName})
1049				} else {
1050					ctx.ModuleErrorf("dependency %q missing output file", otherName)
1051				}
1052			} else {
1053				ctx.ModuleErrorf("jni_libs dependency %q must be a cc library", otherName)
1054			}
1055
1056			return shouldCollectRecursiveNativeDeps
1057		}
1058
1059		if info, ok := android.OtherModuleProvider(ctx, module, JniPackageProvider); ok {
1060			prebuiltJniPackages = append(prebuiltJniPackages, info.JniPackages...)
1061		}
1062
1063		return false
1064	})
1065
1066	return jniLibs, prebuiltJniPackages
1067}
1068
1069func (a *AndroidApp) WalkPayloadDeps(ctx android.ModuleContext, do android.PayloadDepsCallback) {
1070	ctx.WalkDeps(func(child, parent android.Module) bool {
1071		isExternal := !a.DepIsInSameApex(ctx, child)
1072		if am, ok := child.(android.ApexModule); ok {
1073			if !do(ctx, parent, am, isExternal) {
1074				return false
1075			}
1076		}
1077		return !isExternal
1078	})
1079}
1080
1081func (a *AndroidApp) buildAppDependencyInfo(ctx android.ModuleContext) {
1082	if ctx.Host() {
1083		return
1084	}
1085
1086	depsInfo := android.DepNameToDepInfoMap{}
1087	a.WalkPayloadDeps(ctx, func(ctx android.ModuleContext, from blueprint.Module, to android.ApexModule, externalDep bool) bool {
1088		depName := to.Name()
1089
1090		// Skip dependencies that are only available to APEXes; they are developed with updatability
1091		// in mind and don't need manual approval.
1092		if to.(android.ApexModule).NotAvailableForPlatform() {
1093			return true
1094		}
1095
1096		if info, exist := depsInfo[depName]; exist {
1097			info.From = append(info.From, from.Name())
1098			info.IsExternal = info.IsExternal && externalDep
1099			depsInfo[depName] = info
1100		} else {
1101			toMinSdkVersion := "(no version)"
1102			if m, ok := to.(interface {
1103				MinSdkVersion(ctx android.EarlyModuleContext) android.ApiLevel
1104			}); ok {
1105				if v := m.MinSdkVersion(ctx); !v.IsNone() {
1106					toMinSdkVersion = v.String()
1107				}
1108			} else if m, ok := to.(interface{ MinSdkVersion() string }); ok {
1109				// TODO(b/175678607) eliminate the use of MinSdkVersion returning
1110				// string
1111				if v := m.MinSdkVersion(); v != "" {
1112					toMinSdkVersion = v
1113				}
1114			}
1115			depsInfo[depName] = android.ApexModuleDepInfo{
1116				To:            depName,
1117				From:          []string{from.Name()},
1118				IsExternal:    externalDep,
1119				MinSdkVersion: toMinSdkVersion,
1120			}
1121		}
1122		return true
1123	})
1124
1125	a.ApexBundleDepsInfo.BuildDepsInfoLists(ctx, a.MinSdkVersion(ctx).String(), depsInfo)
1126}
1127
1128func (a *AndroidApp) enforceDefaultTargetSdkVersion() bool {
1129	return a.appProperties.EnforceDefaultTargetSdkVersion
1130}
1131
1132func (a *AndroidApp) SetEnforceDefaultTargetSdkVersion(val bool) {
1133	a.appProperties.EnforceDefaultTargetSdkVersion = val
1134}
1135
1136func (a *AndroidApp) Updatable() bool {
1137	return Bool(a.appProperties.Updatable)
1138}
1139
1140func (a *AndroidApp) SetUpdatable(val bool) {
1141	a.appProperties.Updatable = &val
1142}
1143
1144func (a *AndroidApp) getCertString(ctx android.BaseModuleContext) string {
1145	certificate, overridden := ctx.DeviceConfig().OverrideCertificateFor(ctx.ModuleName())
1146	if overridden {
1147		return ":" + certificate
1148	}
1149	return String(a.overridableAppProperties.Certificate)
1150}
1151
1152func (a *AndroidApp) DepIsInSameApex(ctx android.BaseModuleContext, dep android.Module) bool {
1153	if IsJniDepTag(ctx.OtherModuleDependencyTag(dep)) {
1154		return true
1155	}
1156	return a.Library.DepIsInSameApex(ctx, dep)
1157}
1158
1159// For OutputFileProducer interface
1160func (a *AndroidApp) OutputFiles(tag string) (android.Paths, error) {
1161	switch tag {
1162	// In some instances, it can be useful to reference the aapt-generated flags from another
1163	// target, e.g., system server implements services declared in the framework-res manifest.
1164	case ".aapt.proguardOptionsFile":
1165		return []android.Path{a.proguardOptionsFile}, nil
1166	case ".aapt.srcjar":
1167		if a.aaptSrcJar != nil {
1168			return []android.Path{a.aaptSrcJar}, nil
1169		}
1170	case ".aapt.jar":
1171		if a.rJar != nil {
1172			return []android.Path{a.rJar}, nil
1173		}
1174	case ".apk":
1175		return []android.Path{a.outputFile}, nil
1176	case ".export-package.apk":
1177		return []android.Path{a.exportPackage}, nil
1178	case ".manifest.xml":
1179		return []android.Path{a.aapt.manifestPath}, nil
1180	}
1181	return a.Library.OutputFiles(tag)
1182}
1183
1184func (a *AndroidApp) Privileged() bool {
1185	return Bool(a.appProperties.Privileged)
1186}
1187
1188func (a *AndroidApp) IsNativeCoverageNeeded(ctx android.IncomingTransitionContext) bool {
1189	return ctx.Device() && ctx.DeviceConfig().NativeCoverageEnabled()
1190}
1191
1192func (a *AndroidApp) SetPreventInstall() {
1193	a.appProperties.PreventInstall = true
1194}
1195
1196func (a *AndroidApp) MarkAsCoverageVariant(coverage bool) {
1197	a.appProperties.IsCoverageVariant = coverage
1198}
1199
1200func (a *AndroidApp) EnableCoverageIfNeeded() {}
1201
1202var _ cc.Coverage = (*AndroidApp)(nil)
1203
1204func (a *AndroidApp) IDEInfo(dpInfo *android.IdeInfo) {
1205	a.Library.IDEInfo(dpInfo)
1206	a.aapt.IDEInfo(dpInfo)
1207}
1208
1209func (a *AndroidApp) productCharacteristicsRROPackageName() string {
1210	return proptools.String(a.appProperties.ProductCharacteristicsRROPackageName)
1211}
1212
1213func (a *AndroidApp) productCharacteristicsRROManifestModuleName() string {
1214	return proptools.String(a.appProperties.ProductCharacteristicsRROManifestModuleName)
1215}
1216
1217// android_app compiles sources and Android resources into an Android application package `.apk` file.
1218func AndroidAppFactory() android.Module {
1219	module := &AndroidApp{}
1220
1221	module.Module.dexProperties.Optimize.EnabledByDefault = true
1222	module.Module.dexProperties.Optimize.Shrink = proptools.BoolPtr(true)
1223	module.Module.dexProperties.Optimize.Proguard_compatibility = proptools.BoolPtr(false)
1224
1225	module.Module.properties.Instrument = true
1226	module.Module.properties.Supports_static_instrumentation = true
1227	module.Module.properties.Installable = proptools.BoolPtr(true)
1228
1229	module.addHostAndDeviceProperties()
1230	module.AddProperties(
1231		&module.aaptProperties,
1232		&module.appProperties,
1233		&module.overridableAppProperties,
1234		&module.Library.sourceProperties)
1235
1236	module.usesLibrary.enforce = true
1237
1238	android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
1239	android.InitDefaultableModule(module)
1240	android.InitOverridableModule(module, &module.overridableAppProperties.Overrides)
1241	android.InitApexModule(module)
1242
1243	android.AddLoadHook(module, func(ctx android.LoadHookContext) {
1244		a := ctx.Module().(*AndroidApp)
1245
1246		characteristics := ctx.Config().ProductAAPTCharacteristics()
1247		if characteristics == "default" || characteristics == "" {
1248			module.appProperties.Generate_product_characteristics_rro = nil
1249			// no need to create RRO
1250			return
1251		}
1252
1253		if !proptools.Bool(module.appProperties.Generate_product_characteristics_rro) {
1254			return
1255		}
1256
1257		rroPackageName := a.Name() + "__" + strings.ReplaceAll(characteristics, ",", "_") + "__auto_generated_characteristics_rro"
1258		rroManifestName := rroPackageName + "_manifest"
1259
1260		a.appProperties.ProductCharacteristicsRROPackageName = proptools.StringPtr(rroPackageName)
1261		a.appProperties.ProductCharacteristicsRROManifestModuleName = proptools.StringPtr(rroManifestName)
1262
1263		rroManifestProperties := struct {
1264			Name  *string
1265			Tools []string
1266			Out   []string
1267			Srcs  []string
1268			Cmd   *string
1269		}{
1270			Name:  proptools.StringPtr(rroManifestName),
1271			Tools: []string{"characteristics_rro_generator", "aapt2"},
1272			Out:   []string{"AndroidManifest.xml"},
1273			Srcs:  []string{":" + a.Name() + "{.apk}"},
1274			Cmd:   proptools.StringPtr("$(location characteristics_rro_generator) $$($(location aapt2) dump packagename $(in)) $(out)"),
1275		}
1276		ctx.CreateModule(genrule.GenRuleFactory, &rroManifestProperties)
1277
1278		rroProperties := struct {
1279			Name           *string
1280			Filter_product *string
1281			Aaptflags      []string
1282			Manifest       *string
1283			Resource_dirs  []string
1284		}{
1285			Name:           proptools.StringPtr(rroPackageName),
1286			Filter_product: proptools.StringPtr(characteristics),
1287			Aaptflags:      []string{"--auto-add-overlay"},
1288			Manifest:       proptools.StringPtr(":" + rroManifestName),
1289			Resource_dirs:  a.aaptProperties.Resource_dirs,
1290		}
1291		if !Bool(a.aaptProperties.Aapt_include_all_resources) {
1292			for _, aaptConfig := range ctx.Config().ProductAAPTConfig() {
1293				rroProperties.Aaptflags = append(rroProperties.Aaptflags, "-c", aaptConfig)
1294			}
1295		}
1296		ctx.CreateModule(RuntimeResourceOverlayFactory, &rroProperties)
1297	})
1298
1299	return module
1300}
1301
1302// A dictionary of values to be overridden in the manifest.
1303type Manifest_values struct {
1304	// Overrides the value of package_name in the manifest
1305	ApplicationId *string
1306}
1307
1308type appTestProperties struct {
1309	// The name of the android_app module that the tests will run against.
1310	Instrumentation_for *string
1311
1312	// If specified, the instrumentation target package name in the manifest is overwritten by it.
1313	Instrumentation_target_package *string
1314
1315	// If specified, the mainline module package name in the test config is overwritten by it.
1316	Mainline_package_name *string
1317
1318	Manifest_values Manifest_values
1319}
1320
1321type AndroidTest struct {
1322	AndroidApp
1323
1324	appTestProperties appTestProperties
1325
1326	testProperties testProperties
1327
1328	testConfig       android.Path
1329	extraTestConfigs android.Paths
1330	data             android.Paths
1331}
1332
1333func (a *AndroidTest) InstallInTestcases() bool {
1334	return true
1335}
1336
1337type androidTestApp interface {
1338	includedInTestSuite(searchPrefix string) bool
1339}
1340
1341func (a *AndroidTest) includedInTestSuite(searchPrefix string) bool {
1342	return android.PrefixInList(a.testProperties.Test_suites, searchPrefix)
1343}
1344
1345func (a *AndroidTestHelperApp) includedInTestSuite(searchPrefix string) bool {
1346	return android.PrefixInList(a.appTestHelperAppProperties.Test_suites, searchPrefix)
1347}
1348
1349func (a *AndroidTest) GenerateAndroidBuildActions(ctx android.ModuleContext) {
1350	var configs []tradefed.Config
1351	if a.appTestProperties.Instrumentation_target_package != nil {
1352		a.additionalAaptFlags = append(a.additionalAaptFlags,
1353			"--rename-instrumentation-target-package "+*a.appTestProperties.Instrumentation_target_package)
1354	} else if a.appTestProperties.Instrumentation_for != nil {
1355		// Check if the instrumentation target package is overridden.
1356		manifestPackageName, overridden := ctx.DeviceConfig().OverrideManifestPackageNameFor(*a.appTestProperties.Instrumentation_for)
1357		if overridden {
1358			a.additionalAaptFlags = append(a.additionalAaptFlags, "--rename-instrumentation-target-package "+manifestPackageName)
1359		}
1360	}
1361	applicationId := a.appTestProperties.Manifest_values.ApplicationId
1362	if applicationId != nil {
1363		if a.overridableAppProperties.Package_name != nil {
1364			ctx.PropertyErrorf("manifest_values.applicationId", "property is not supported when property package_name is set.")
1365		}
1366		a.aapt.manifestValues.applicationId = *applicationId
1367	}
1368	a.generateAndroidBuildActions(ctx)
1369
1370	for _, module := range a.testProperties.Test_mainline_modules {
1371		configs = append(configs, tradefed.Option{Name: "config-descriptor:metadata", Key: "mainline-param", Value: module})
1372	}
1373
1374	testConfig := tradefed.AutoGenInstrumentationTestConfig(ctx, a.testProperties.Test_config,
1375		a.testProperties.Test_config_template, a.manifestPath, a.testProperties.Test_suites, a.testProperties.Auto_gen_config, configs)
1376	a.testConfig = a.FixTestConfig(ctx, testConfig)
1377	a.extraTestConfigs = android.PathsForModuleSrc(ctx, a.testProperties.Test_options.Extra_test_configs)
1378	a.data = android.PathsForModuleSrc(ctx, a.testProperties.Data)
1379	android.SetProvider(ctx, testing.TestModuleProviderKey, testing.TestModuleProviderData{})
1380	android.SetProvider(ctx, tradefed.BaseTestProviderKey, tradefed.BaseTestProviderData{
1381		InstalledFiles:          a.data,
1382		OutputFile:              a.OutputFile(),
1383		TestConfig:              a.testConfig,
1384		HostRequiredModuleNames: a.HostRequiredModuleNames(),
1385		TestSuites:              a.testProperties.Test_suites,
1386		IsHost:                  false,
1387		LocalCertificate:        a.certificate.AndroidMkString(),
1388		IsUnitTest:              Bool(a.testProperties.Test_options.Unit_test),
1389	})
1390	android.SetProvider(ctx, android.TestOnlyProviderKey, android.TestModuleInformation{
1391		TestOnly:       true,
1392		TopLevelTarget: true,
1393	})
1394
1395}
1396
1397func (a *AndroidTest) FixTestConfig(ctx android.ModuleContext, testConfig android.Path) android.Path {
1398	if testConfig == nil {
1399		return nil
1400	}
1401
1402	fixedConfig := android.PathForModuleOut(ctx, "test_config_fixer", "AndroidTest.xml")
1403	rule := android.NewRuleBuilder(pctx, ctx)
1404	command := rule.Command().BuiltTool("test_config_fixer").Input(testConfig).Output(fixedConfig)
1405	fixNeeded := false
1406
1407	// Auto-generated test config uses `ModuleName` as the APK name. So fix it if it is not the case.
1408	if ctx.ModuleName() != a.installApkName {
1409		fixNeeded = true
1410		command.FlagWithArg("--test-file-name ", a.installApkName+".apk")
1411	}
1412
1413	if a.overridableAppProperties.Package_name != nil {
1414		fixNeeded = true
1415		command.FlagWithInput("--manifest ", a.manifestPath).
1416			FlagWithArg("--package-name ", *a.overridableAppProperties.Package_name)
1417	}
1418
1419	if a.appTestProperties.Mainline_package_name != nil {
1420		fixNeeded = true
1421		command.FlagWithArg("--mainline-package-name ", *a.appTestProperties.Mainline_package_name)
1422	}
1423
1424	if fixNeeded {
1425		rule.Build("fix_test_config", "fix test config")
1426		return fixedConfig
1427	}
1428	return testConfig
1429}
1430
1431func (a *AndroidTest) DepsMutator(ctx android.BottomUpMutatorContext) {
1432	a.AndroidApp.DepsMutator(ctx)
1433}
1434
1435func (a *AndroidTest) OverridablePropertiesDepsMutator(ctx android.BottomUpMutatorContext) {
1436	a.AndroidApp.OverridablePropertiesDepsMutator(ctx)
1437	if a.appTestProperties.Instrumentation_for != nil {
1438		// The android_app dependency listed in instrumentation_for needs to be added to the classpath for javac,
1439		// but not added to the aapt2 link includes like a normal android_app or android_library dependency, so
1440		// use instrumentationForTag instead of libTag.
1441		ctx.AddVariationDependencies(nil, instrumentationForTag, String(a.appTestProperties.Instrumentation_for))
1442	}
1443}
1444
1445// android_test compiles test sources and Android resources into an Android application package `.apk` file and
1446// creates an `AndroidTest.xml` file to allow running the test with `atest` or a `TEST_MAPPING` file.
1447func AndroidTestFactory() android.Module {
1448	module := &AndroidTest{}
1449
1450	module.Module.dexProperties.Optimize.EnabledByDefault = false
1451
1452	module.Module.properties.Instrument = true
1453	module.Module.properties.Supports_static_instrumentation = true
1454	module.Module.properties.Installable = proptools.BoolPtr(true)
1455	module.appProperties.Use_embedded_native_libs = proptools.BoolPtr(true)
1456	module.appProperties.AlwaysPackageNativeLibs = true
1457	module.Module.dexpreopter.isTest = true
1458	module.Module.linter.properties.Lint.Test = proptools.BoolPtr(true)
1459
1460	module.addHostAndDeviceProperties()
1461	module.AddProperties(
1462		&module.aaptProperties,
1463		&module.appProperties,
1464		&module.appTestProperties,
1465		&module.overridableAppProperties,
1466		&module.testProperties)
1467
1468	android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
1469	android.InitDefaultableModule(module)
1470	android.InitOverridableModule(module, &module.overridableAppProperties.Overrides)
1471
1472	return module
1473}
1474
1475type appTestHelperAppProperties struct {
1476	// list of compatibility suites (for example "cts", "vts") that the module should be
1477	// installed into.
1478	Test_suites []string `android:"arch_variant"`
1479
1480	// Flag to indicate whether or not to create test config automatically. If AndroidTest.xml
1481	// doesn't exist next to the Android.bp, this attribute doesn't need to be set to true
1482	// explicitly.
1483	Auto_gen_config *bool
1484
1485	// Install the test into a folder named for the module in all test suites.
1486	Per_testcase_directory *bool
1487
1488	Manifest_values Manifest_values
1489}
1490
1491type AndroidTestHelperApp struct {
1492	AndroidApp
1493
1494	appTestHelperAppProperties appTestHelperAppProperties
1495}
1496
1497func (a *AndroidTestHelperApp) InstallInTestcases() bool {
1498	return true
1499}
1500
1501// android_test_helper_app compiles sources and Android resources into an Android application package `.apk` file that
1502// will be used by tests, but does not produce an `AndroidTest.xml` file so the module will not be run directly as a
1503// test.
1504func AndroidTestHelperAppFactory() android.Module {
1505	module := &AndroidTestHelperApp{}
1506
1507	// TODO(b/192032291): Disable by default after auditing downstream usage.
1508	module.Module.dexProperties.Optimize.EnabledByDefault = true
1509
1510	module.Module.properties.Installable = proptools.BoolPtr(true)
1511	module.appProperties.Use_embedded_native_libs = proptools.BoolPtr(true)
1512	module.appProperties.AlwaysPackageNativeLibs = true
1513	module.Module.dexpreopter.isTest = true
1514	module.Module.linter.properties.Lint.Test = proptools.BoolPtr(true)
1515
1516	module.addHostAndDeviceProperties()
1517	module.AddProperties(
1518		&module.aaptProperties,
1519		&module.appProperties,
1520		&module.appTestHelperAppProperties,
1521		&module.overridableAppProperties)
1522
1523	android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
1524	android.InitDefaultableModule(module)
1525	android.InitApexModule(module)
1526	return module
1527}
1528
1529type AndroidAppCertificate struct {
1530	android.ModuleBase
1531
1532	properties  AndroidAppCertificateProperties
1533	Certificate Certificate
1534}
1535
1536type AndroidAppCertificateProperties struct {
1537	// Name of the certificate files.  Extensions .x509.pem and .pk8 will be added to the name.
1538	Certificate *string
1539}
1540
1541// android_app_certificate modules can be referenced by the certificates property of android_app modules to select
1542// the signing key.
1543func AndroidAppCertificateFactory() android.Module {
1544	module := &AndroidAppCertificate{}
1545	module.AddProperties(&module.properties)
1546	android.InitAndroidModule(module)
1547	return module
1548}
1549
1550func (c *AndroidAppCertificate) GenerateAndroidBuildActions(ctx android.ModuleContext) {
1551	cert := String(c.properties.Certificate)
1552	c.Certificate = Certificate{
1553		Pem: android.PathForModuleSrc(ctx, cert+".x509.pem"),
1554		Key: android.PathForModuleSrc(ctx, cert+".pk8"),
1555	}
1556}
1557
1558type OverrideAndroidApp struct {
1559	android.ModuleBase
1560	android.OverrideModuleBase
1561}
1562
1563func (i *OverrideAndroidApp) GenerateAndroidBuildActions(_ android.ModuleContext) {
1564	// All the overrides happen in the base module.
1565	// TODO(jungjw): Check the base module type.
1566}
1567
1568// override_android_app is used to create an android_app module based on another android_app by overriding
1569// some of its properties.
1570func OverrideAndroidAppModuleFactory() android.Module {
1571	m := &OverrideAndroidApp{}
1572	m.AddProperties(
1573		&OverridableProperties{},
1574		&overridableAppProperties{},
1575	)
1576
1577	android.InitAndroidMultiTargetsArchModule(m, android.DeviceSupported, android.MultilibCommon)
1578	android.InitOverrideModule(m)
1579	return m
1580}
1581
1582type OverrideAndroidTest struct {
1583	android.ModuleBase
1584	android.OverrideModuleBase
1585}
1586
1587func (i *OverrideAndroidTest) GenerateAndroidBuildActions(ctx android.ModuleContext) {
1588	// All the overrides happen in the base module.
1589	// TODO(jungjw): Check the base module type.
1590	android.SetProvider(ctx, android.TestOnlyProviderKey, android.TestModuleInformation{
1591		TestOnly:       true,
1592		TopLevelTarget: true,
1593	})
1594}
1595
1596// override_android_test is used to create an android_app module based on another android_test by overriding
1597// some of its properties.
1598func OverrideAndroidTestModuleFactory() android.Module {
1599	m := &OverrideAndroidTest{}
1600	m.AddProperties(&overridableAppProperties{})
1601	m.AddProperties(&appTestProperties{})
1602
1603	android.InitAndroidMultiTargetsArchModule(m, android.DeviceSupported, android.MultilibCommon)
1604	android.InitOverrideModule(m)
1605	return m
1606}
1607
1608type UsesLibraryProperties struct {
1609	// A list of shared library modules that will be listed in uses-library tags in the AndroidManifest.xml file.
1610	Uses_libs []string
1611
1612	// A list of shared library modules that will be listed in uses-library tags in the AndroidManifest.xml file with
1613	// required=false.
1614	Optional_uses_libs []string
1615
1616	// If true, the list of uses_libs and optional_uses_libs modules must match the AndroidManifest.xml file.  Defaults
1617	// to true if either uses_libs or optional_uses_libs is set.  Will unconditionally default to true in the future.
1618	Enforce_uses_libs *bool
1619
1620	// Optional name of the <uses-library> provided by this module. This is needed for non-SDK
1621	// libraries, because SDK ones are automatically picked up by Soong. The <uses-library> name
1622	// normally is the same as the module name, but there are exceptions.
1623	Provides_uses_lib *string
1624
1625	// A list of shared library names to exclude from the classpath of the APK. Adding a library here
1626	// will prevent it from being used when precompiling the APK and prevent it from being implicitly
1627	// added to the APK's manifest's <uses-library> elements.
1628	//
1629	// Care must be taken when using this as it could result in runtime errors if the APK actually
1630	// uses classes provided by the library and which are not provided in any other way.
1631	//
1632	// This is primarily intended for use by various CTS tests that check the runtime handling of the
1633	// android.test.base shared library (and related libraries) but which depend on some common
1634	// libraries that depend on the android.test.base library. Without this those tests will end up
1635	// with a <uses-library android:name="android.test.base"/> in their manifest which would either
1636	// render the tests worthless (as they would be testing the wrong behavior), or would break the
1637	// test altogether by providing access to classes that the tests were not expecting. Those tests
1638	// provide the android.test.base statically and use jarjar to rename them so they do not collide
1639	// with the classes provided by the android.test.base library.
1640	Exclude_uses_libs []string
1641
1642	// The module names of optional uses-library libraries that are missing from the source tree.
1643	Missing_optional_uses_libs []string `blueprint:"mutated"`
1644}
1645
1646// usesLibrary provides properties and helper functions for AndroidApp and AndroidAppImport to verify that the
1647// <uses-library> tags that end up in the manifest of an APK match the ones known to the build system through the
1648// uses_libs and optional_uses_libs properties.  The build system's values are used by dexpreopt to preopt apps
1649// with knowledge of their shared libraries.
1650type usesLibrary struct {
1651	usesLibraryProperties UsesLibraryProperties
1652
1653	// Whether to enforce verify_uses_library check.
1654	enforce bool
1655
1656	// Whether dexpreopt should be disabled
1657	shouldDisableDexpreopt bool
1658}
1659
1660func (u *usesLibrary) deps(ctx android.BottomUpMutatorContext, addCompatDeps bool) {
1661	if !ctx.Config().UnbundledBuild() || ctx.Config().UnbundledBuildImage() {
1662		ctx.AddVariationDependencies(nil, usesLibReqTag, u.usesLibraryProperties.Uses_libs...)
1663		presentOptionalUsesLibs := u.presentOptionalUsesLibs(ctx)
1664		ctx.AddVariationDependencies(nil, usesLibOptTag, presentOptionalUsesLibs...)
1665		// Only add these extra dependencies if the module is an app that depends on framework
1666		// libs. This avoids creating a cyclic dependency:
1667		//     e.g. framework-res -> org.apache.http.legacy -> ... -> framework-res.
1668		if addCompatDeps {
1669			// Dexpreopt needs paths to the dex jars of these libraries in order to construct
1670			// class loader context for dex2oat. Add them as a dependency with a special tag.
1671			ctx.AddVariationDependencies(nil, usesLibCompat29ReqTag, dexpreopt.CompatUsesLibs29...)
1672			ctx.AddVariationDependencies(nil, usesLibCompat28OptTag, dexpreopt.OptionalCompatUsesLibs28...)
1673			ctx.AddVariationDependencies(nil, usesLibCompat30OptTag, dexpreopt.OptionalCompatUsesLibs30...)
1674		}
1675		_, diff, _ := android.ListSetDifference(u.usesLibraryProperties.Optional_uses_libs, presentOptionalUsesLibs)
1676		u.usesLibraryProperties.Missing_optional_uses_libs = diff
1677	} else {
1678		ctx.AddVariationDependencies(nil, r8LibraryJarTag, u.usesLibraryProperties.Uses_libs...)
1679		ctx.AddVariationDependencies(nil, r8LibraryJarTag, u.presentOptionalUsesLibs(ctx)...)
1680	}
1681}
1682
1683// presentOptionalUsesLibs returns optional_uses_libs after filtering out libraries that don't exist in the source tree.
1684func (u *usesLibrary) presentOptionalUsesLibs(ctx android.BaseModuleContext) []string {
1685	optionalUsesLibs := android.FilterListPred(u.usesLibraryProperties.Optional_uses_libs, func(s string) bool {
1686		exists := ctx.OtherModuleExists(s)
1687		if !exists && !android.InList(ctx.ModuleName(), ctx.Config().BuildWarningBadOptionalUsesLibsAllowlist()) {
1688			fmt.Printf("Warning: Module '%s' depends on non-existing optional_uses_libs '%s'\n", ctx.ModuleName(), s)
1689		}
1690		return exists
1691	})
1692	return optionalUsesLibs
1693}
1694
1695// Returns a map of module names of shared library dependencies to the paths to their dex jars on
1696// host and on device.
1697func (u *usesLibrary) classLoaderContextForUsesLibDeps(ctx android.ModuleContext) dexpreopt.ClassLoaderContextMap {
1698	clcMap := make(dexpreopt.ClassLoaderContextMap)
1699
1700	// Skip when UnbundledBuild() is true, but UnbundledBuildImage() is false. With
1701	// UnbundledBuildImage() it is necessary to generate dexpreopt.config for post-dexpreopting.
1702	if ctx.Config().UnbundledBuild() && !ctx.Config().UnbundledBuildImage() {
1703		return clcMap
1704	}
1705
1706	ctx.VisitDirectDeps(func(m android.Module) {
1707		tag, isUsesLibTag := ctx.OtherModuleDependencyTag(m).(usesLibraryDependencyTag)
1708		if !isUsesLibTag {
1709			return
1710		}
1711
1712		dep := android.RemoveOptionalPrebuiltPrefix(ctx.OtherModuleName(m))
1713
1714		// Skip stub libraries. A dependency on the implementation library has been added earlier,
1715		// so it will be added to CLC, but the stub shouldn't be. Stub libraries can be distingushed
1716		// from implementation libraries by their name, which is different as it has a suffix.
1717		if comp, ok := m.(SdkLibraryComponentDependency); ok {
1718			if impl := comp.OptionalSdkLibraryImplementation(); impl != nil && *impl != dep {
1719				return
1720			}
1721		}
1722
1723		// Skip java_sdk_library dependencies that provide stubs, but not an implementation.
1724		// This will be restricted to optional_uses_libs
1725		if sdklib, ok := m.(SdkLibraryDependency); ok {
1726			if tag == usesLibOptTag && sdklib.DexJarBuildPath(ctx).PathOrNil() == nil {
1727				u.shouldDisableDexpreopt = true
1728				return
1729			}
1730		}
1731
1732		if lib, ok := m.(UsesLibraryDependency); ok {
1733			libName := dep
1734			if ulib, ok := m.(ProvidesUsesLib); ok && ulib.ProvidesUsesLib() != nil {
1735				libName = *ulib.ProvidesUsesLib()
1736			}
1737			clcMap.AddContext(ctx, tag.sdkVersion, libName, tag.optional,
1738				lib.DexJarBuildPath(ctx).PathOrNil(), lib.DexJarInstallPath(),
1739				lib.ClassLoaderContexts())
1740		} else if ctx.Config().AllowMissingDependencies() {
1741			ctx.AddMissingDependencies([]string{dep})
1742		} else {
1743			ctx.ModuleErrorf("module %q in uses_libs or optional_uses_libs must be a java library", dep)
1744		}
1745	})
1746	return clcMap
1747}
1748
1749// enforceUsesLibraries returns true of <uses-library> tags should be checked against uses_libs and optional_uses_libs
1750// properties.  Defaults to true if either of uses_libs or optional_uses_libs is specified.  Will default to true
1751// unconditionally in the future.
1752func (u *usesLibrary) enforceUsesLibraries() bool {
1753	defaultEnforceUsesLibs := len(u.usesLibraryProperties.Uses_libs) > 0 ||
1754		len(u.usesLibraryProperties.Optional_uses_libs) > 0
1755	return BoolDefault(u.usesLibraryProperties.Enforce_uses_libs, u.enforce || defaultEnforceUsesLibs)
1756}
1757
1758// Freeze the value of `enforce_uses_libs` based on the current values of `uses_libs` and `optional_uses_libs`.
1759func (u *usesLibrary) freezeEnforceUsesLibraries() {
1760	enforce := u.enforceUsesLibraries()
1761	u.usesLibraryProperties.Enforce_uses_libs = &enforce
1762}
1763
1764// verifyUsesLibraries checks the <uses-library> tags in the manifest against the ones specified
1765// in the `uses_libs`/`optional_uses_libs` properties. The input can be either an XML manifest, or
1766// an APK with the manifest embedded in it (manifest_check will know which one it is by the file
1767// extension: APKs are supposed to end with '.apk').
1768func (u *usesLibrary) verifyUsesLibraries(ctx android.ModuleContext, inputFile android.Path,
1769	outputFile android.WritablePath, classLoaderContexts *dexpreopt.ClassLoaderContextMap) android.Path {
1770
1771	statusFile := dexpreopt.UsesLibrariesStatusFile(ctx)
1772
1773	// Disable verify_uses_libraries check if dexpreopt is globally disabled. Without dexpreopt the
1774	// check is not necessary, and although it is good to have, it is difficult to maintain on
1775	// non-linux build platforms where dexpreopt is generally disabled (the check may fail due to
1776	// various unrelated reasons, such as a failure to get manifest from an APK).
1777	global := dexpreopt.GetGlobalConfig(ctx)
1778	if global.DisablePreopt || global.OnlyPreoptArtBootImage {
1779		return inputFile
1780	}
1781
1782	rule := android.NewRuleBuilder(pctx, ctx)
1783	cmd := rule.Command().BuiltTool("manifest_check").
1784		Flag("--enforce-uses-libraries").
1785		Input(inputFile).
1786		FlagWithOutput("--enforce-uses-libraries-status ", statusFile).
1787		FlagWithInput("--aapt ", ctx.Config().HostToolPath(ctx, "aapt2"))
1788
1789	if outputFile != nil {
1790		cmd.FlagWithOutput("-o ", outputFile)
1791	}
1792
1793	if dexpreopt.GetGlobalConfig(ctx).RelaxUsesLibraryCheck {
1794		cmd.Flag("--enforce-uses-libraries-relax")
1795	}
1796
1797	requiredUsesLibs, optionalUsesLibs := classLoaderContexts.UsesLibs()
1798	for _, lib := range requiredUsesLibs {
1799		cmd.FlagWithArg("--uses-library ", lib)
1800	}
1801	for _, lib := range optionalUsesLibs {
1802		cmd.FlagWithArg("--optional-uses-library ", lib)
1803	}
1804
1805	// Also add missing optional uses libs, as the manifest check expects them.
1806	// Note that what we add here are the module names of those missing libs, not library names, while
1807	// the manifest check actually expects library names. However, the case where a library is missing
1808	// and the module name != the library name is too rare for us to handle.
1809	for _, lib := range u.usesLibraryProperties.Missing_optional_uses_libs {
1810		cmd.FlagWithArg("--missing-optional-uses-library ", lib)
1811	}
1812
1813	rule.Build("verify_uses_libraries", "verify <uses-library>")
1814	return outputFile
1815}
1816
1817// verifyUsesLibrariesManifest checks the <uses-library> tags in an AndroidManifest.xml against
1818// the build system and returns the path to a copy of the manifest.
1819func (u *usesLibrary) verifyUsesLibrariesManifest(ctx android.ModuleContext, manifest android.Path,
1820	classLoaderContexts *dexpreopt.ClassLoaderContextMap) android.Path {
1821	outputFile := android.PathForModuleOut(ctx, "manifest_check", "AndroidManifest.xml")
1822	return u.verifyUsesLibraries(ctx, manifest, outputFile, classLoaderContexts)
1823}
1824
1825// verifyUsesLibrariesAPK checks the <uses-library> tags in the manifest of an APK against the build
1826// system and returns the path to a copy of the APK.
1827func (u *usesLibrary) verifyUsesLibrariesAPK(ctx android.ModuleContext, apk android.Path,
1828	classLoaderContexts *dexpreopt.ClassLoaderContextMap) {
1829	u.verifyUsesLibraries(ctx, apk, nil, classLoaderContexts) // for APKs manifest_check does not write output file
1830}
1831