1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef AAPT2_LINK_H 18 #define AAPT2_LINK_H 19 20 #include <regex> 21 22 #include "Command.h" 23 #include "Diagnostics.h" 24 #include "Resource.h" 25 #include "split/TableSplitter.h" 26 #include "format/binary/TableFlattener.h" 27 #include "link/ManifestFixer.h" 28 #include "trace/TraceBuffer.h" 29 30 namespace aapt { 31 32 enum class OutputFormat { 33 kApk, 34 kProto, 35 }; 36 37 struct LinkOptions { 38 std::string output_path; 39 std::string manifest_path; 40 std::vector<std::string> include_paths; 41 std::vector<std::string> overlay_files; 42 std::vector<std::string> assets_dirs; 43 bool output_to_directory = false; 44 bool auto_add_overlay = false; 45 OutputFormat output_format = OutputFormat::kApk; 46 47 // Java/Proguard options. 48 Maybe<std::string> generate_java_class_path; 49 Maybe<std::string> custom_java_package; 50 std::set<std::string> extra_java_packages; 51 Maybe<std::string> generate_text_symbols_path; 52 Maybe<std::string> generate_proguard_rules_path; 53 Maybe<std::string> generate_main_dex_proguard_rules_path; 54 bool generate_conditional_proguard_rules = false; 55 bool generate_minimal_proguard_rules = false; 56 bool generate_non_final_ids = false; 57 std::vector<std::string> javadoc_annotations; 58 Maybe<std::string> private_symbols; 59 60 // Optimizations/features. 61 bool no_auto_version = false; 62 bool no_version_vectors = false; 63 bool no_version_transitions = false; 64 bool no_resource_deduping = false; 65 bool no_resource_removal = false; 66 bool no_xml_namespaces = false; 67 bool do_not_compress_anything = false; 68 std::unordered_set<std::string> extensions_to_not_compress; 69 Maybe<std::regex> regex_to_not_compress; 70 71 // Static lib options. 72 bool no_static_lib_packages = false; 73 74 // AndroidManifest.xml massaging options. 75 ManifestFixerOptions manifest_fixer_options; 76 77 // Products to use/filter on. 78 std::unordered_set<std::string> products; 79 80 // Flattening options. 81 TableFlattenerOptions table_flattener_options; 82 bool keep_raw_values = false; 83 84 // Split APK options. 85 TableSplitterOptions table_splitter_options; 86 std::vector<SplitConstraints> split_constraints; 87 std::vector<std::string> split_paths; 88 89 // Configurations to exclude 90 std::vector<std::string> exclude_configs_; 91 92 // Stable ID options. 93 std::unordered_map<ResourceName, ResourceId> stable_id_map; 94 Maybe<std::string> resource_id_map_path; 95 96 // When 'true', allow reserved package IDs to be used for applications. Pre-O, the platform 97 // treats negative resource IDs [those with a package ID of 0x80 or higher] as invalid. 98 // In order to work around this limitation, we allow the use of traditionally reserved 99 // resource IDs [those between 0x02 and 0x7E]. 100 bool allow_reserved_package_id = false; 101 102 // Whether we should fail on definitions of a resource with conflicting visibility. 103 bool strict_visibility = false; 104 }; 105 106 class LinkCommand : public Command { 107 public: LinkCommand(IDiagnostics * diag)108 explicit LinkCommand(IDiagnostics* diag) : Command("link", "l"), 109 diag_(diag) { 110 SetDescription("Links resources into an apk."); 111 AddRequiredFlag("-o", "Output path.", &options_.output_path, Command::kPath); 112 AddRequiredFlag("--manifest", "Path to the Android manifest to build.", 113 &options_.manifest_path, Command::kPath); 114 AddOptionalFlagList("-I", "Adds an Android APK to link against.", &options_.include_paths, 115 Command::kPath); 116 AddOptionalFlagList("-A", "An assets directory to include in the APK. These are unprocessed.", 117 &options_.assets_dirs, Command::kPath); 118 AddOptionalFlagList("-R", "Compilation unit to link, using `overlay` semantics.\n" 119 "The last conflicting resource given takes precedence.", &overlay_arg_list_, 120 Command::kPath); 121 AddOptionalFlag("--package-id", 122 "Specify the package ID to use for this app. Must be greater or equal to\n" 123 "0x7f and can't be used with --static-lib or --shared-lib.", &package_id_); 124 AddOptionalFlag("--java", "Directory in which to generate R.java.", 125 &options_.generate_java_class_path, Command::kPath); 126 AddOptionalFlag("--proguard", "Output file for generated Proguard rules.", 127 &options_.generate_proguard_rules_path, Command::kPath); 128 AddOptionalFlag("--proguard-main-dex", 129 "Output file for generated Proguard rules for the main dex.", 130 &options_.generate_main_dex_proguard_rules_path, Command::kPath); 131 AddOptionalSwitch("--proguard-conditional-keep-rules", 132 "Generate conditional Proguard keep rules.", 133 &options_.generate_conditional_proguard_rules); 134 AddOptionalSwitch("--proguard-minimal-keep-rules", 135 "Generate a minimal set of Proguard keep rules.", 136 &options_.generate_minimal_proguard_rules); 137 AddOptionalSwitch("--no-auto-version", "Disables automatic style and layout SDK versioning.", 138 &options_.no_auto_version); 139 AddOptionalSwitch("--no-version-vectors", 140 "Disables automatic versioning of vector drawables. Use this only\n" 141 "when building with vector drawable support library.", 142 &options_.no_version_vectors); 143 AddOptionalSwitch("--no-version-transitions", 144 "Disables automatic versioning of transition resources. Use this only\n" 145 "when building with transition support library.", 146 &options_.no_version_transitions); 147 AddOptionalSwitch("--no-resource-deduping", "Disables automatic deduping of resources with\n" 148 "identical values across compatible configurations.", 149 &options_.no_resource_deduping); 150 AddOptionalSwitch("--no-resource-removal", "Disables automatic removal of resources without\n" 151 "defaults. Use this only when building runtime resource overlay packages.", 152 &options_.no_resource_removal); 153 AddOptionalSwitch("--enable-sparse-encoding", 154 "This decreases APK size at the cost of resource retrieval performance.", 155 &options_.table_flattener_options.use_sparse_entries); 156 AddOptionalSwitch("-x", "Legacy flag that specifies to use the package identifier 0x01.", 157 &legacy_x_flag_); 158 AddOptionalSwitch("-z", "Require localization of strings marked 'suggested'.", 159 &require_localization_); 160 AddOptionalFlagList("-c", 161 "Comma separated list of configurations to include. The default\n" 162 "is all configurations.", &configs_); 163 AddOptionalFlag("--preferred-density", 164 "Selects the closest matching density and strips out all others.", 165 &preferred_density_); 166 AddOptionalFlag("--product", "Comma separated list of product names to keep", &product_list_); 167 AddOptionalSwitch("--output-to-dir", "Outputs the APK contents to a directory specified by -o.", 168 &options_.output_to_directory); 169 AddOptionalSwitch("--no-xml-namespaces", "Removes XML namespace prefix and URI information\n" 170 "from AndroidManifest.xml and XML binaries in res/*.", 171 &options_.no_xml_namespaces); 172 AddOptionalFlag("--min-sdk-version", 173 "Default minimum SDK version to use for AndroidManifest.xml.", 174 &options_.manifest_fixer_options.min_sdk_version_default); 175 AddOptionalFlag("--target-sdk-version", 176 "Default target SDK version to use for AndroidManifest.xml.", 177 &options_.manifest_fixer_options.target_sdk_version_default); 178 AddOptionalFlag("--version-code", 179 "Version code (integer) to inject into the AndroidManifest.xml if none is\n" 180 "present.", &options_.manifest_fixer_options.version_code_default); 181 AddOptionalFlag("--version-code-major", 182 "Version code major (integer) to inject into the AndroidManifest.xml if none is\n" 183 "present.", &options_.manifest_fixer_options.version_code_major_default); 184 AddOptionalFlag("--version-name", 185 "Version name to inject into the AndroidManifest.xml if none is present.", 186 &options_.manifest_fixer_options.version_name_default); 187 AddOptionalSwitch("--replace-version", 188 "If --version-code and/or --version-name are specified, these\n" 189 "values will replace any value already in the manifest. By\n" 190 "default, nothing is changed if the manifest already defines\n" 191 "these attributes.", 192 &options_.manifest_fixer_options.replace_version); 193 AddOptionalFlag("--compile-sdk-version-code", 194 "Version code (integer) to inject into the AndroidManifest.xml if none is\n" 195 "present.", 196 &options_.manifest_fixer_options.compile_sdk_version); 197 AddOptionalFlag("--compile-sdk-version-name", 198 "Version name to inject into the AndroidManifest.xml if none is present.", 199 &options_.manifest_fixer_options.compile_sdk_version_codename); 200 AddOptionalSwitch("--shared-lib", "Generates a shared Android runtime library.", 201 &shared_lib_); 202 AddOptionalSwitch("--static-lib", "Generate a static Android library.", &static_lib_); 203 AddOptionalSwitch("--proto-format", 204 "Generates compiled resources in Protobuf format.\n" 205 "Suitable as input to the bundle tool for generating an App Bundle.", 206 &proto_format_); 207 AddOptionalSwitch("--no-static-lib-packages", 208 "Merge all library resources under the app's package.", 209 &options_.no_static_lib_packages); 210 AddOptionalSwitch("--non-final-ids", 211 "Generates R.java without the final modifier. This is implied when\n" 212 "--static-lib is specified.", 213 &options_.generate_non_final_ids); 214 AddOptionalFlag("--stable-ids", "File containing a list of name to ID mapping.", 215 &stable_id_file_path_); 216 AddOptionalFlag("--emit-ids", 217 "Emit a file at the given path with a list of name to ID mappings,\n" 218 "suitable for use with --stable-ids.", 219 &options_.resource_id_map_path); 220 AddOptionalFlag("--private-symbols", 221 "Package name to use when generating R.java for private symbols.\n" 222 "If not specified, public and private symbols will use the application's\n" 223 "package name.", 224 &options_.private_symbols); 225 AddOptionalFlag("--custom-package", "Custom Java package under which to generate R.java.", 226 &options_.custom_java_package); 227 AddOptionalFlagList("--extra-packages", 228 "Generate the same R.java but with different package names.", 229 &extra_java_packages_); 230 AddOptionalFlagList("--add-javadoc-annotation", 231 "Adds a JavaDoc annotation to all generated Java classes.", 232 &options_.javadoc_annotations); 233 AddOptionalFlag("--output-text-symbols", 234 "Generates a text file containing the resource symbols of the R class in\n" 235 "the specified folder.", 236 &options_.generate_text_symbols_path); 237 AddOptionalSwitch("--allow-reserved-package-id", 238 "Allows the use of a reserved package ID. This should on be used for\n" 239 "packages with a pre-O min-sdk\n", 240 &options_.allow_reserved_package_id); 241 AddOptionalSwitch("--auto-add-overlay", 242 "Allows the addition of new resources in overlays without\n" 243 "<add-resource> tags.", 244 &options_.auto_add_overlay); 245 AddOptionalFlag("--rename-manifest-package", "Renames the package in AndroidManifest.xml.", 246 &options_.manifest_fixer_options.rename_manifest_package); 247 AddOptionalFlag("--rename-instrumentation-target-package", 248 "Changes the name of the target package for instrumentation. Most useful\n" 249 "when used in conjunction with --rename-manifest-package.", 250 &options_.manifest_fixer_options.rename_instrumentation_target_package); 251 AddOptionalFlagList("-0", "File extensions not to compress.", 252 &options_.extensions_to_not_compress); 253 AddOptionalSwitch("--no-compress", "Do not compress any resources.", 254 &options_.do_not_compress_anything); 255 AddOptionalSwitch("--keep-raw-values", "Preserve raw attribute values in xml files.", 256 &options_.keep_raw_values); 257 AddOptionalFlag("--no-compress-regex", 258 "Do not compress extensions matching the regular expression. Remember to\n" 259 " use the '$' symbol for end of line. Uses a non case-sensitive\n" 260 " ECMAScript regular expression grammar.", 261 &no_compress_regex); 262 AddOptionalSwitch("--warn-manifest-validation", 263 "Treat manifest validation errors as warnings.", 264 &options_.manifest_fixer_options.warn_validation); 265 AddOptionalFlagList("--split", 266 "Split resources matching a set of configs out to a Split APK.\n" 267 "Syntax: path/to/output.apk:<config>[,<config>[...]].\n" 268 "On Windows, use a semicolon ';' separator instead.", 269 &split_args_); 270 AddOptionalFlagList("--exclude-configs", 271 "Excludes values of resources whose configs contain the specified qualifiers.", 272 &options_.exclude_configs_); 273 AddOptionalSwitch("--debug-mode", 274 "Inserts android:debuggable=\"true\" in to the application node of the\n" 275 "manifest, making the application debuggable even on production devices.", 276 &options_.manifest_fixer_options.debug_mode); 277 AddOptionalSwitch("--strict-visibility", 278 "Do not allow overlays with different visibility levels.", 279 &options_.strict_visibility); 280 AddOptionalSwitch("-v", "Enables verbose logging.", &verbose_); 281 AddOptionalFlag("--trace-folder", "Generate systrace json trace fragment to specified folder.", 282 &trace_folder_); 283 } 284 285 int Action(const std::vector<std::string>& args) override; 286 287 private: 288 IDiagnostics* diag_; 289 LinkOptions options_; 290 291 std::vector<std::string> overlay_arg_list_; 292 std::vector<std::string> extra_java_packages_; 293 Maybe<std::string> package_id_; 294 std::vector<std::string> configs_; 295 Maybe<std::string> preferred_density_; 296 Maybe<std::string> product_list_; 297 Maybe<std::string> no_compress_regex; 298 bool legacy_x_flag_ = false; 299 bool require_localization_ = false; 300 bool verbose_ = false; 301 bool shared_lib_ = false; 302 bool static_lib_ = false; 303 bool proto_format_ = false; 304 Maybe<std::string> stable_id_file_path_; 305 std::vector<std::string> split_args_; 306 Maybe<std::string> trace_folder_; 307 }; 308 309 }// namespace aapt 310 311 #endif //AAPT2_LINK_H 312