{"id":802,"date":"2025-07-26T05:48:39","date_gmt":"2025-07-26T05:48:39","guid":{"rendered":"https:\/\/boochlin.com\/?p=802"},"modified":"2025-08-04T13:08:17","modified_gmt":"2025-08-04T13:08:17","slug":"hilt-%e6%8c%87%e5%8d%97-%e7%b5%84%e5%85%a7%e5%88%86%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/boochlin.com\/?p=802","title":{"rendered":"Hilt \u6307\u5357 \u7d44\u5167\u5206\u4eab"},"content":{"rendered":"<p>\u5e02\u5834\u4e0a\u5df2\u7d93\u5f88\u591a\u4f9d\u8cf4\u6ce8\u5165\u5957\u4ef6(dagger , koin)\u7684\u9078\u64c7 \uff0c\u9084\u6709\u5f88\u591a\u6587\u7ae0\u4ecb\u7d39\u4e86\uff0c\u6211\u6703\u9078\u64c7 hilt \u5f88\u55ae\u7d14\uff0c\u5c31\u662f\u5c0d\u65bc\u5404\u985e mvvm \u7684\u7269\u4ef6\uff0c\u6709\u9b54\u6cd5\u822c\u7684\u652f\u63f4\uff0c\u771f\u7684\u5c11\u975e\u5e38\u591a\u4ee3\u78bc\uff0c\u9078\u64c7hilt \u4e26\u975e\u7d55\u5c0d\u6b63\u78ba\uff0c\u6211\u7684\u6587\u7ae0\u4e00\u76f4\u63d0\u5230\u4e00\u4ef6\u4e8b \u5c31\u662f \u6839\u64da\u60c5\u5883\uff0c\u624d\u662f\u6b63\u78ba\u7684<\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<p>\u4f9d\u8cf4\u6ce8\u5165 (Dependency Injection) \u7684\u624b\u52d5\u5be6\u4f5c<\/p>\n<p>\u6211\u5011\u6bcf\u5929\u90fd\u5728 new \u7269\u4ef6\uff0c\u7136\u5f8c\u50cf\u5feb\u905e\u54e1\u4e00\u6a23\uff0c\u628a\u5b83\u5011\u5f9e Activity \u50b3\u5230 ViewModel\uff0c\u518d\u50b3\u5230 Repository\uff0c\u6700\u5f8c\u9001\u5230 DataSource \u624b\u4e2d\u3002\u9019\u662f\u5728\u5beb\u7a0b\u5f0f\uff0c\u9084\u662f\u5728\u505a\u7269\u6d41\uff1f<\/p>\n<h3 class=\"wp-block-heading\">\u70ba\u4f55\u9700\u8981 Hilt\uff1f<\/h3>\n<p>\u4f9d\u8cf4\u6ce8\u5165\u662f\u500b\u597d\u6771\u897f\uff0c\u5b83\u80fd\u8b93\u6211\u5011\u7684\u7a0b\u5f0f\u78bc\u89e3\u8026\u3001\u6613\u65bc\u6e2c\u8a66\u3002\u4f46\u624b\u52d5\u5be6\u73fe\u5b83\u7684\u904e\u7a0b\uff0c\u537b\u5145\u6eff\u4e86\u5927\u91cf\u5bb9\u6613\u51fa\u932f\u7684\u5efa\u69cb\u5b50\u50b3\u905e\u548c\u5de5\u5ee0\u6a21\u5f0f\uff0c\u9019\u5b8c\u5168\u9055\u80cc\u4e86\u6211\u5011\u8ffd\u6c42\u300c\u7c21\u6f54\u300d\u7684\u521d\u8877\u3002<\/p>\n<p>Hilt \u7684\u8a95\u751f\uff0c\u5c31\u662f\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u6838\u5fc3\u77db\u76fe\u3002\u5b83\u5927\u8072\u5730\u8aaa\uff1a\u300c<strong>\u5c08\u5fc3\u5728\u4f60\u7684\u696d\u52d9\u908f\u8f2f\u4e0a\uff0c\u9019\u4e9b\u7121\u804a\u7684\u9ad4\u529b\u6d3b\uff0c\u6211\u5305\u4e86\uff01<\/strong>\u300d<\/p>\n<h3 class=\"wp-block-heading\">Hilt \u7684\u4e09\u5927\u6838\u5fc3\u6b66\u5668\uff1a\u5165\u9580\u7684\u57fa\u790e<\/h3>\n<p>\u8981\u8b93 Hilt \u70ba\u4f60\u5de5\u4f5c\uff0c\u4f60\u9996\u5148\u9700\u8981\u638c\u63e1\u4e09\u6a23\u6700\u57fa\u672c\u7684\u6b66\u5668\u3002<\/p>\n<h4 class=\"wp-block-heading\">1. @Inject \u8207 @AndroidEntryPoint<\/h4>\n<p>\u9019\u662f Hilt \u7684\u57fa\u790e\u3002@Inject \u7528\u4f86\u544a\u8a34 Hilt\u300c\u9019\u500b\u6771\u897f\u4f60\u53ef\u4ee5\u5e6b\u6211\u6e96\u5099\u300d\uff0c\u800c @AndroidEntryPoint \u5247\u662f\u544a\u8a34 Hilt\u300c\u9019\u500b\u5730\u65b9\u9700\u8981\u4f60\u4f86\u670d\u52d9\u300d\u3002<\/p>\n<p>Kotlin<\/p>\n<pre class=\"wp-block-syntaxhighlighter-code\">\/\/ UserRepository.kt - \u4e00\u500b\u666e\u901a\u7684\u985e\u5225\n\/\/ \u5728\u5efa\u69cb\u5b50\u4e0a\u6a19\u8a18\uff0cHilt \u5c31\u77e5\u9053\u5982\u4f55\u5efa\u7acb\u5b83\nclass UserRepository @Inject constructor(\n\u00a0 \u00a0 private val apiService: ApiService\n) { \/*...*\/ }\n\n\/\/ MainActivity.kt - \u4e00\u500b Android \u5143\u4ef6\n@AndroidEntryPoint \/\/ \u544a\u8a34 Hilt\uff0c\u9019\u500b Activity \u9700\u8981\u6ce8\u5165\nclass MainActivity : AppCompatActivity() {\n\n\u00a0 \u00a0 @Inject \/\/ \u63d0\u51fa\u9700\u6c42\uff1a\u300c\u6211\u9700\u8981\u4e00\u500b UserRepository\u300d\n\u00a0 \u00a0 lateinit var userRepository: UserRepository\n\n\u00a0 \u00a0 override fun onCreate(savedInstanceState: Bundle?) {\n\u00a0 \u00a0 \u00a0 \u00a0 super.onCreate()\n\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u5728 super.onCreate() \u4e4b\u5f8c\uff0cuserRepository \u5c31\u5df2\u7d93\u88ab Hilt \u6e96\u5099\u597d\u4e86\n\u00a0 \u00a0 }\n}\n\n\/\/ \u5225\u5fd8\u4e86\u5728 Application \u4e2d\u555f\u7528 Hilt\n@HiltAndroidApp\nclass MyApplication : Application() {}\n<\/pre>\n<h4 class=\"wp-block-heading\">2. @Provides\uff1a\u5ba2\u88fd\u5316\u751f\u7522\u8aaa\u660e\u66f8<\/h4>\n<p>\u7576 Hilt \u9047\u5230\u5b83\u7121\u6cd5\u76f4\u63a5 new \u7684\u7269\u4ef6\uff08\u4f8b\u5982\u4f86\u81ea Retrofit\u3001Room \u7b49\u7b2c\u4e09\u65b9\u5eab\u7684\u7269\u4ef6\uff09\uff0c\u4f60\u5c31\u9700\u8981\u63d0\u4f9b\u4e00\u4efd\u8a73\u7d30\u7684\u300cDIY \u7d44\u88dd\u6307\u5357\u300d\u3002<\/p>\n<p>Kotlin<\/p>\n<pre class=\"wp-block-syntaxhighlighter-code\">\/\/ NetworkModule.kt - \u63d0\u4f9b\u7db2\u8def\u76f8\u95dc\u7269\u4ef6\u7684\u8aaa\u660e\u66f8\n@Module\n@InstallIn(SingletonComponent::class) \/\/ \u9019\u672c\u8aaa\u660e\u66f8\u7684\u5167\u5bb9\u9069\u7528\u65bc\u6574\u500b App\nobject NetworkModule {\n\n\u00a0 \u00a0 @Provides \/\/ \u9019\u662f\u4e00\u4efd\u6307\u5357\n\u00a0 \u00a0 @Singleton \/\/ \u7522\u51fa\u7684\u7269\u4ef6\u5728\u6574\u500b App \u4e2d\u53ea\u6703\u6709\u4e00\u500b\n\u00a0 \u00a0 fun provideRetrofit(okHttpClient: OkHttpClient): Retrofit {\n\u00a0 \u00a0 \u00a0 \u00a0 return Retrofit.Builder()\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .baseUrl(\"https:\/\/api.example.com\/\")\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .client(okHttpClient) \/\/ Hilt \u6703\u81ea\u52d5\u628a OkHttpClient \u905e\u904e\u4f86\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .build()\n\u00a0 \u00a0 }\n\n\u00a0 \u00a0 @Provides\n\u00a0 \u00a0 @Singleton\n\u00a0 \u00a0 fun provideOkHttpClient(): OkHttpClient {\n\u00a0 \u00a0 \u00a0 \u00a0 return OkHttpClient.Builder().build()\n\u00a0 \u00a0 }\n}\n<\/pre>\n<h4 class=\"wp-block-heading\">3. @Binds\uff1a\u9ad8\u6548\u7387\u8077\u4f4d\u6307\u6d3e\u4ee4<\/h4>\n<p>\u7576\u4f60\u53ea\u662f\u60f3\u544a\u8a34 Hilt\u300c\u67d0\u500b\u4ecb\u9762\uff08\u8077\u4f4d\uff09\u7531\u54ea\u500b\u5177\u9ad4\u985e\u5225\uff08\u54e1\u5de5\uff09\u4f86\u5be6\u73fe\u300d\u6642\uff0c\u4f7f\u7528 @Binds\u3002\u5b83\u4e0d\u505a\u5be6\u969b\u7684\u5efa\u7acb\u5de5\u4f5c\uff0c\u53ea\u505a\u300c\u7d81\u5b9a\u300d\uff0c\u56e0\u6b64\u6548\u80fd\u66f4\u597d\u3002<\/p>\n<p>Kotlin<\/p>\n<pre class=\"wp-block-syntaxhighlighter-code\">\/\/ UserRepository.kt - \u4ecb\u9762 (\u8077\u4f4d)\ninterface UserRepository { \/*...*\/ }\n\n\/\/ UserRepositoryImpl.kt - \u5be6\u4f5c (\u54e1\u5de5)\nclass UserRepositoryImpl @Inject constructor(...) : UserRepository { \/*...*\/ }\n\n@Module\n@InstallIn(SingletonComponent::class)\nabstract class RepositoryModule { \/\/ \u4f7f\u7528 @Binds \u7684\u6a21\u7d44\u5fc5\u9808\u662f abstract\n\n\u00a0 \u00a0 @Binds\n\u00a0 \u00a0 abstract fun bindUserRepository(\n\u00a0 \u00a0 \u00a0 \u00a0 impl: UserRepositoryImpl\n\u00a0 \u00a0 ): UserRepository\n}\n<\/pre>\n<h3 class=\"wp-block-heading\"><strong>InstallIn and @Qualifier<\/strong><\/h3>\n<p>\u7269\u4ef6\u7684\u751f\u547d\u9031\u671f\u7ba1\u7406\u662f\u907f\u514d\u8a18\u61b6\u9ad4\u6d29\u6f0f\u7684\u95dc\u9375\u3002Hilt \u900f\u904e\u4f5c\u7528\u57df (Scope) \u548c\u9650\u5b9a\u7b26 (Qualifier) \u63d0\u4f9b\u4e86\u7cbe\u6e96\u7684\u63a7\u5236\u3002<\/p>\n<ul>\n<li><strong>@InstallIn \u8207\u4f5c\u7528\u57df (@&#8230;Scoped)<\/strong>: @InstallIn \u6c7a\u5b9a\u4e86\u4f9d\u8cf4\u88ab\u5b89\u88dd\u5728\u54ea\u500b Hilt \u5143\u4ef6\u4e2d\uff08SingletonComponent\u3001ActivityComponent \u7b49\uff09\uff0c\u6c7a\u5b9a\u4e86\u5176\u751f\u547d\u9031\u671f\u7684\u4e0a\u9650\u3002\u800c\u4f5c\u7528\u57df\u8a3b\u89e3\uff08@Singleton\u3001@ActivityScoped\u3001@ViewModelScoped\uff09<\/li>\n<\/ul>\n<pre class=\"wp-block-code\"><code>\/\/ \u6b64\u7269\u4ef6\u7684\u751f\u547d\u9031\u671f\u8207\u55ae\u4e00 ViewModel \u5be6\u4f8b\u7d81\u5b9a\n@Module\n@InstallIn(ViewModelComponent::class)\nobject SessionModule {\n\u00a0 \u00a0 @Provides\n\u00a0 \u00a0 @ViewModelScoped\n\u00a0 \u00a0 fun provideSessionCache(): SessionCache { \/*...*\/ }\n}<\/code><\/pre>\n<ul>\n<li><strong>@Qualifier (\u5982 @Named)<\/strong>: \u7576\u4f60\u9700\u8981\u63d0\u4f9b\u591a\u500b\u76f8\u540c\u578b\u5225\u7684\u7269\u4ef6\u6642\uff08\u4f8b\u5982 API URL \u548c API Key \u90fd\u662f String\uff09\uff0c\u4f7f\u7528\u9650\u5b9a\u7b26\u70ba\u5b83\u5011\u8cbc\u4e0a\u6a19\u7c64\uff0c\u4ee5\u6d88\u9664\u6b67\u7fa9\u3002<\/li>\n<\/ul>\n<pre class=\"wp-block-code\"><code>@Provides\n@Named(\"BaseUrl\")\nfun provideBaseUrl(): String = \"https:\/\/api.example.com\/\"\n\n@Provides\n@Named(\"ApiKey\")\nfun provideApiKey(): String = \"your_secret_key\"\n\n\/\/ \u6ce8\u5165\u6642\u4e5f\u4f7f\u7528\u540c\u6a23\u7684\u6a19\u7c64\nclass ApiClient @Inject constructor(\n\u00a0 \u00a0 @Named(\"BaseUrl\") private val baseUrl: String,\n\u00a0 \u00a0 @Named(\"ApiKey\") private val apiKey: String\n)<\/code><\/pre>\n<h3 class=\"wp-block-heading\">Jetpack \u7684\u9ad8\u5ea6\u6574\u5408<\/h3>\n<p>Hilt \u7684\u771f\u6b63\u5a01\u529b\u5728\u65bc\u5b83\u8207 Jetpack \u7684\u6df1\u5ea6\u6574\u5408\uff0c\u5c08\u6cbb\u5404\u7a2e\u300cAndroid \u7279\u6709\u7a2e\u300d\u7684\u7591\u96e3\u96dc\u75c7\u3002<\/p>\n<ul>\n<li><strong>@HiltViewModel<\/strong>: \u8b93\u4f60\u5fb9\u5e95\u544a\u5225\u624b\u5beb ViewModelProvider.Factory \u7684\u75db\u82e6\u3002\u53ea\u9700\u4e00\u500b\u8a3b\u89e3\uff0cHilt \u5c31\u6703\u81ea\u52d5\u8655\u7406 ViewModel \u7684\u5efa\u7acb\u8207\u4f9d\u8cf4\u6ce8\u5165\uff0c\u751a\u81f3\u514d\u8cbb\u8d08\u9001 SavedStateHandle\u3002<\/li>\n<\/ul>\n<pre class=\"wp-block-code\"><code>@HiltViewModel\nclass MyViewModel @Inject constructor(\n\u00a0 \u00a0 private val repository: UserRepository,\n\u00a0 \u00a0 private val savedStateHandle: SavedStateHandle\n) : ViewModel()\n\n\/\/ \u5728 Fragment\/Activity \u4e2d\u6b63\u5e38\u7372\u53d6\u5373\u53ef\nprivate val viewModel: MyViewModel by viewModels()<\/code><\/pre>\n<ul>\n<li><strong>@HiltWorker<\/strong>: \u900f\u904e @Assisted\u3002 Inject\uff0c\u8b93\u7531\u7cfb\u7d71\u7ba1\u7406\u7684 WorkManager \u80cc\u666f\u4efb\u52d9\u4e5f\u80fd\u8f15\u9b06\u7372\u53d6 Hilt \u63d0\u4f9b\u7684\u4f9d\u8cf4\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\">Hilt \u591a\u6a21\u7d44\u4f9d\u8cf4\u6ce8\u5165<\/h3>\n<p>\u5728\u5927\u578b Android \u5c08\u6848\u4e2d\uff0c\u591a\u6a21\u7d44\u67b6\u69cb\u662f\u63d0\u5347\u5efa\u69cb\u901f\u5ea6\u548c\u7a0b\u5f0f\u78bc\u5206\u96e2\u5ea6\u7684\u95dc\u9375\u3002\u7136\u800c\uff0c\u5982\u4f55\u6709\u6548\u7ba1\u7406\u8de8\u6a21\u7d44\u7684\u4f9d\u8cf4\u6ce8\u5165\uff0c\u6210\u70ba\u4e86\u6838\u5fc3\u6311\u6230\u3002\u672c\u6587\u5c07\u4ee5\u7a0b\u5f0f\u78bc\u70ba\u6838\u5fc3\uff0c\u8b1b\u89e3 Hilt \u5728\u591a\u6a21\u7d44\u74b0\u5883\u4e0b\u7684\u6a19\u6e96\u5be6\u8e10\u3002<\/p>\n<h4 class=\"wp-block-heading\"><strong>\u6838\u5fc3\u539f\u5247\uff1a\u5171\u4eab\u9802\u5c64\u5143\u4ef6<\/strong><\/h4>\n<p>Hilt \u7684\u591a\u6a21\u7d44\u7b56\u7565\uff0c\u662f\u5229\u7528\u4e00\u500b\u6240\u6709\u6a21\u7d44\u5171\u4eab\u7684\u9802\u5c64\u5143\u4ef6 SingletonComponent \u4f5c\u70ba\u4f9d\u8cf4\u7684\u6a4b\u6a11\u3002\u5176\u904b\u4f5c\u6a21\u5f0f\u5982\u4e0b\uff1a<\/p>\n<ol start=\"1\">\n<li><strong>\u5e95\u5c64\u6a21\u7d44 (library, core)<\/strong>\uff1a\u8ca0\u8cac\u300c\u63d0\u4f9b\u300d\u5171\u4eab\u7684\u4f9d\u8cf4\u7269\u4ef6 (\u5982 OkHttpClient, Room Database)\uff0c\u4e26\u5c07\u5176\u8a3b\u518a\u5230 SingletonComponent \u4e2d\u3002<\/li>\n<li><strong>\u4e0a\u5c64\u6a21\u7d44 (feature, app)<\/strong>\uff1a\u5f9e SingletonComponent \u4e2d\u300c\u7372\u53d6\u300d\u4e26\u6ce8\u5165\u9019\u4e9b\u5171\u4eab\u7684\u4f9d\u8cf4\uff0c\u7121\u9700\u95dc\u5fc3\u5176\u5177\u9ad4\u5be6\u4f5c\u4f86\u6e90\u3002<\/li>\n<\/ol>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n<h4 class=\"wp-block-heading\"><strong>\u5be6\u4f5c\u6b65\u9a5f<\/strong><\/h4>\n<p>\u5047\u8a2d\u5c08\u6848\u7d50\u69cb\u70ba :app -&gt; :feature_login -&gt; :core_network\u3002<\/p>\n<h5 class=\"wp-block-heading\"><strong>1. \u5728 :core_network \u6a21\u7d44\u4e2d\u63d0\u4f9b\u4f9d\u8cf4<\/strong><\/h5>\n<p>\u9996\u5148\uff0c\u5728\u6700\u5e95\u5c64\u7684 :core_network \u6a21\u7d44\u4e2d\u5efa\u7acb Hilt Module\uff0c\u4f86\u63d0\u4f9b\u4e00\u500b\u5168\u57df\u5171\u4eab\u7684 OkHttpClient \u5be6\u4f8b\u3002<\/p>\n<p><strong>core_network\/src\/main\/java\/com\/example\/core\/network\/NetworkModule.kt<\/strong><\/p>\n<p>Kotlin<\/p>\n<pre class=\"wp-block-syntaxhighlighter-code\">import dagger.Module\nimport dagger.Provides\nimport dagger.hilt.InstallIn\nimport dagger.hilt.components.SingletonComponent\nimport okhttp3.OkHttpClient\nimport javax.inject.Singleton\n\n@Module\n\/\/ \u95dc\u9375\uff1a\u5c07\u6b64\u6a21\u7d44\u5b89\u88dd\u5230 SingletonComponent\uff0c\u4f7f\u5176\u6210\u70ba\u5168\u57df\u53ef\u7528\u7684\u5143\u4ef6\u3002\n@InstallIn(SingletonComponent::class)\nobject NetworkModule {\n\n\u00a0 \u00a0 @Provides\n\u00a0 \u00a0 \/\/ \u95dc\u9375\uff1a\u78ba\u4fdd\u5728 App \u751f\u547d\u9031\u671f\u4e2d\uff0c\u6b64\u7269\u4ef6\u53ea\u6709\u4e00\u500b\u5be6\u4f8b\u3002\n\u00a0 \u00a0 @Singleton\n\u00a0 \u00a0 fun provideOkHttpClient(): OkHttpClient {\n\u00a0 \u00a0 \u00a0 \u00a0 \/\/ ... \u9032\u884c OkHttpClient \u7684\u76f8\u95dc\u8a2d\u5b9a\n\u00a0 \u00a0 \u00a0 \u00a0 return OkHttpClient.Builder().build()\n\u00a0 \u00a0 }\n}\n<\/pre>\n<h5 class=\"wp-block-heading\"><strong>2. \u5728 :feature_login \u6a21\u7d44\u4e2d\u4f7f\u7528\u4f9d\u8cf4<\/strong><\/h5>\n<p>\u63a5\u8457\uff0c\u5728 :feature_login \u6a21\u7d44\u4e2d\uff0c\u6211\u5011\u9700\u8981\u8a2d\u5b9a Gradle \u4f9d\u8cf4\uff0c\u4e26\u76f4\u63a5\u6ce8\u5165 OkHttpClient\u3002<\/p>\n<p><strong>feature_login\/build.gradle.kts<\/strong><\/p>\n<p>Kotlin<\/p>\n<pre class=\"wp-block-syntaxhighlighter-code\">dependencies {\n\u00a0 \u00a0 \/\/ \u4f9d\u8cf4\u5e95\u5c64\u7684 :core_network \u6a21\u7d44\n\u00a0 \u00a0 implementation(project(\":core_network\"))\n\n\u00a0 \u00a0 \/\/ Hilt \u76f8\u95dc\u4f9d\u8cf4\n\u00a0 \u00a0 implementation(\"com.google.dagger:hilt-android:2.51.1\")\n\u00a0 \u00a0 kapt(\"com.google.dagger:hilt-compiler:2.51.1\")\n}\n<\/pre>\n<p><strong>feature_login\/src\/main\/java\/com\/example\/feature\/login\/LoginActivity.kt<\/strong><\/p>\n<p>Kotlin<\/p>\n<pre class=\"wp-block-syntaxhighlighter-code\">import androidx.appcompat.app.AppCompatActivity\nimport com.example.core.network.OkHttpClient \/\/ \u6ce8\u610f\uff1a\u9019\u88e1\u662f\u793a\u610f\uff0c\u901a\u5e38\u6703\u6ce8\u5165 Repository\nimport dagger.hilt.android.AndroidEntryPoint\nimport javax.inject.Inject\n\n@AndroidEntryPoint\nclass LoginActivity : AppCompatActivity() {\n\n\u00a0 \u00a0 \/\/ \u95dc\u9375\uff1a\u76f4\u63a5\u4f7f\u7528 @Inject \u8acb\u6c42\u4f9d\u8cf4\u3002\n\u00a0 \u00a0 \/\/ Hilt \u6703\u81ea\u52d5\u67e5\u627e SingletonComponent \u4e2d\u5df2\u8a3b\u518a\u7684\u63d0\u4f9b\u8005\u3002\n\u00a0 \u00a0 @Inject\n\u00a0 \u00a0 lateinit var okHttpClient: OkHttpClient\n\n\u00a0 \u00a0 \/\/ ...\n}\n<\/pre>\n<h4 class=\"wp-block-heading\"><strong>api vs implementation<\/strong><\/h4>\n<p>\u5728 Gradle \u4e2d\uff0c\u4f9d\u8cf4\u7684\u50b3\u905e\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>implementation(project(&#8220;:&#8230;&#8221;))<\/strong>: \u4f9d\u8cf4\u4e0d\u6703\u5411\u4e0a\u50b3\u905e\u3002\u5982\u679c :app \u4f9d\u8cf4 :feature\uff0c\u800c :feature implementation :core\uff0c\u5247 :app \u770b\u4e0d\u898b :core \u7684\u5167\u5bb9\u3002<\/li>\n<li><strong>api(project(&#8220;:&#8230;&#8221;))<\/strong>: \u4f9d\u8cf4\u6703\u5411\u4e0a\u50b3\u905e\u3002\u5728\u4e0a\u8ff0\u60c5\u6cc1\u4e0b\uff0c\u82e5 :feature api :core\uff0c\u5247 :app \u4e5f\u80fd\u5b58\u53d6 :core \u7684\u5167\u5bb9\u3002<\/li>\n<\/ul>\n<p><strong>Hilt \u898f\u5247<\/strong>\uff1a\u5982\u679c\u4e00\u500b\u6a21\u7d44 A \u63d0\u4f9b\u4e86\u5e0c\u671b\u88ab\u6a21\u7d44 C (C -&gt; B -&gt; A) \u6ce8\u5165\u7684 Hilt \u7d81\u5b9a\uff0c\u90a3\u9ebc\u5728 B \u7684 build.gradle \u4e2d\uff0c\u5c0d A \u7684\u4f9d\u8cf4\u5fc5\u9808\u4f7f\u7528 api\u3002\u5728\u591a\u6578\u60c5\u6cc1\u4e0b\uff0c\u5e95\u5c64 core \u6a21\u7d44\u5efa\u8b70\u4f7f\u7528 api \u4f86\u66b4\u9732\u5176\u63d0\u4f9b\u7684\u5171\u4eab\u4f9d\u8cf4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5e02\u5834\u4e0a\u5df2\u7d93\u5f88\u591a\u4f9d\u8cf4\u6ce8\u5165\u5957\u4ef6(dagger , koin)\u7684\u9078\u64c7 \uff0c\u9084\u6709\u5f88\u591a\u6587\u7ae0\u4ecb\u7d39\u4e86\uff0c\u6211\u6703\u9078\u64c7 hilt \u5f88\u55ae\u7d14\uff0c\u5c31\u662f\u5c0d\u65bc\u5404\u985e mvvm \u7684\u7269\u4ef6\uff0c\u6709\u9b54\u6cd5\u822c\u7684\u652f\u63f4\uff0c\u771f\u7684\u5c11\u975e\u5e38\u591a\u4ee3\u78bc\uff0c\u9078\u64c7hilt \u4e26\u975e\u7d55&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[81],"tags":[],"_links":{"self":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/802"}],"collection":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=802"}],"version-history":[{"count":11,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/802\/revisions"}],"predecessor-version":[{"id":825,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/802\/revisions\/825"}],"wp:attachment":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}