API--android.os.Build

本文详细解析了Android OS Build类中各属性的含义及用途,并介绍了如何通过Build.VERSION类获取版本信息,包括版本代号、版本字符串、版本号等。同时,展示了如何利用Build.VERSION.SDK_INT与switch配合进行版本判断。

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android.os.build类

  1. Build.BOARD // 主板  
  2. Build.BRAND // android系统定制商  
  3. Build.CPU_ABI // cpu指令集  
  4. Build.DEVICE // 设备参数  
  5. Build.DISPLAY // 显示屏参数  
  6. Build.FINGERPRINT // 硬件名称  
  7. Build.HOST  
  8. Build.ID // 修订版本列表  
  9. Build.MANUFACTURER // 硬件制造商  
  10. Build.MODEL // 版本  
  11. Build.PRODUCT // 手机制造商  
  12. Build.TAGS // 描述build的标签  
  13. Build.TIME  
  14. Build.TYPE // builder类型  
  15. Build.USER  
  16.   
  17. // 运行结果  
  18. /* 
  19. board: unknown 
  20. brand: generic 
  21. cpu abi: armeabi 
  22. device: generic 
  23. display: google_sdk-eng 2.1 ERD79 22607 test-keys 
  24. finger print: generic/google_sdk/generic/:2.1/ERD79/22607:eng/test-keys 
  25. host: genki.mtv.corp.google.com 
  26. id: ERD79 
  27. manufacturer: unknown 
  28. model: google_sdk 
  29. product: google_sdk 
  30. tags: test-keys 
  31. time: 1261185425000 
  32. type: eng 
  33. user: android-build 
  34. */  


android.os.build.VERSION类

  1. // 当前开发代号  
  2. Build.VERSION.CODENAME  
  3. // 源码控制版本号  
  4. Build.VERSION.INCREMENTAL  
  5. // 版本字符串  
  6. Build.VERSION.RELEASE  
  7. // 版本号  
  8. Build.VERSION.SDK  
  9. // 版本号  
  10. Build.VERSION.SDK_INT  
  11.   
  12. // 结果  
  13. /* 
  14. REL 
  15. 22607 
  16. 2.1 
  17. 7 
  18. 7 
  19. */

android.os.build.VERSION_CODES类(版本代号)

  1.   
  2. // Build.VERSION.SDK_INT可与switch搭配用   
  3. switch (Build.VERSION.SDK_INT) {  
  4. case Build.VERSION_CODES.BASE: // 1.0   
  5.  break;  
  6.    
  7. case Build.VERSION_CODES.BASE_1_1: // 1.1   
  8.  break;  
  9.    
  10. case Build.VERSION_CODES.CUPCAKE: // 1.5   
  11.  break;  
  12.    
  13. case Build.VERSION_CODES.CUR_DEVELOPMENT: // current dev version   
  14.  break;  
  15.    
  16. case Build.VERSION_CODES.DONUT: // 1.6   
  17.  break;  
  18.    
  19. case Build.VERSION_CODES.ECLAIR: // 2.0   
  20.  break;  
  21.    
  22. case Build.VERSION_CODES.ECLAIR_0_1: // 2.0.1   
  23.  break;  
  24.    
  25. case Build.VERSION_CODES.ECLAIR_MR1: // 2.1   
  26.  break;  
  27. }










Executing tasks: [:app:assembleDebug] in project D:\TestProject\MyApplication > Task :app:createDebugVariantModel UP-TO-DATE > Task :app:preBuild UP-TO-DATE > Task :app:preDebugBuild UP-TO-DATE > Task :app:mergeDebugNativeDebugMetadata NO-SOURCE > Task :app:compileDebugAidl NO-SOURCE > Task :app:compileDebugRenderscript NO-SOURCE > Task :app:generateDebugBuildConfig UP-TO-DATE > Task :app:javaPreCompileDebug UP-TO-DATE > Task :app:checkDebugAarMetadata UP-TO-DATE AGPBI: {"kind":"warning","text":"Your project has set `android.useAndroidX=true`, but configuration `:app:debugRuntimeClasspath` still contains legacy support libraries, which may cause runtime issues.\nThis behavior will not be allowed in Android Gradle plugin 8.0.\nPlease use only AndroidX dependencies or set `android.enableJetifier=true` in the `gradle.properties` file to migrate your project to AndroidX (see https://developer.android.com/jetpack/androidx/migrate for more info).\nThe following legacy support libraries are detected:\n:app:debugRuntimeClasspath -> com.android.support:support-compat:28.0.0\n:app:debugRuntimeClasspath -> com.android.support:support-compat:28.0.0 -> com.android.support:support-annotations:28.0.0\n:app:debugRuntimeClasspath -> com.android.support:support-compat:28.0.0 -> com.android.support:collections:28.0.0\n:app:debugRuntimeClasspath -> com.android.support:support-compat:28.0.0 -> android.arch.lifecycle:runtime:1.1.1\n:app:debugRuntimeClasspath -> com.android.support:support-compat:28.0.0 -> android.arch.lifecycle:runtime:1.1.1 -> android.arch.lifecycle:common:1.1.1\n:app:debugRuntimeClasspath -> com.android.support:support-compat:28.0.0 -> android.arch.lifecycle:runtime:1.1.1 -> android.arch.core:common:1.1.1\n:app:debugRuntimeClasspath -> com.android.support:support-compat:28.0.0 -> com.android.support:versionedparcelable:28.0.0","sources":[{}]} > Task :app:generateDebugResValues UP-TO-DATE > Task :app:mapDebugSourceSetPaths UP-TO-DATE > Task :app:generateDebugResources UP-TO-DATE > Task :app:mergeDebugResources UP-TO-DATE > Task :app:packageDebugResources UP-TO-DATE > Task :app:parseDebugLocalResources UP-TO-DATE > Task :app:createDebugCompatibleScreenManifests UP-TO-DATE > Task :app:extractDeepLinksDebug UP-TO-DATE > Task :app:processDebugMainManifest FAILED [androidx.versionedparcelable:versionedparcelable:1.1.1] C:\Users\wangsen\.gradle\caches\transforms-3\4b621581b14be943fef7e9025808a5ef\transformed\versionedparcelable-1.1.1\AndroidManifest.xml Warning: Namespace 'androidx.versionedparcelable' used in: androidx.versionedparcelable:versionedparcelable:1.1.1, com.android.support:versionedparcelable:28.0.0. D:\TestProject\MyApplication\app\src\main\AndroidManifest.xml:22:18-91 Error: Attribute application@appComponentFactory value=(android.support.v4.app.CoreComponentFactory) from [com.android.support:support-compat:28.0.0] AndroidManifest.xml:22:18-91 is also present at [androidx.core:core:1.7.0] AndroidManifest.xml:24:18-86 value=(androidx.core.app.CoreComponentFactory). Suggestion: add 'tools:replace="android:appComponentFactory"' to <application> element at AndroidManifest.xml:7:5-25:19 to override. See https://developer.android.com/r/studio-ui/build/manifest-merger for more information about the manifest merger. > Task :app:mergeDebugShaders UP-TO-DATE > Task :app:compileDebugShaders NO-SOURCE > Task :app:generateDebugAssets UP-TO-DATE > Task :app:mergeDebugAssets UP-TO-DATE > Task :app:compressDebugAssets UP-TO-DATE > Task :app:processDebugJavaRes NO-SOURCE > Task :app:desugarDebugFileDependencies UP-TO-DATE > Task :app:mergeDebugJniLibFolders UP-TO-DATE > Task :app:mergeDebugNativeLibs NO-SOURCE > Task :app:stripDebugDebugSymbols NO-SOURCE > Task :app:validateSigningDebug UP-TO-DATE > Task :app:writeDebugAppMetadata UP-TO-DATE > Task :app:writeDebugSigningConfigVersions UP-TO-DATE > Task :app:checkDebugDuplicateClasses FAILED > Task :app:mergeDebugJavaResource FAILED FAILURE: Build completed with 3 failures. 1: Task failed with an exception. ----------- * What went wrong: Execution failed for task ':app:processDebugMainManifest'. > Manifest merger failed with multiple errors, see logs * Try: > Run with --stacktrace option to get the stack trace. > Run with --info or --debug option to get more log output. > Run with --scan to get full insights. ============================================================================== 2: Task failed with an exception. ----------- * What went wrong: Execution failed for task ':app:checkDebugDuplicateClasses'. > A failure occurred while executing com.android.build.gradle.internal.tasks.CheckDuplicatesRunnable > Duplicate class android.support.v4.app.INotificationSideChannel found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.app.INotificationSideChannel$Stub found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.app.INotificationSideChannel$Stub$Proxy found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.graphics.drawable.IconCompatParcelizer found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.os.IResultReceiver found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.os.IResultReceiver$Stub found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.os.IResultReceiver$Stub$Proxy found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.os.ResultReceiver found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.os.ResultReceiver$1 found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.os.ResultReceiver$MyResultReceiver found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class android.support.v4.os.ResultReceiver$MyRunnable found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class androidx.core.graphics.drawable.IconCompatParcelizer found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class androidx.core.internal.package-info found in modules core-1.7.0-runtime (androidx.core:core:1.7.0) and support-compat-28.0.0-runtime (com.android.support:support-compat:28.0.0) Duplicate class androidx.versionedparcelable.CustomVersionedParcelable found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.NonParcelField found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.ParcelField found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.ParcelImpl found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.ParcelImpl$1 found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.ParcelUtils found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.VersionedParcel found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.VersionedParcel$1 found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.VersionedParcel$ParcelException found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.VersionedParcelParcel found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.VersionedParcelStream found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.VersionedParcelStream$FieldBuffer found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.VersionedParcelable found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Duplicate class androidx.versionedparcelable.VersionedParcelize found in modules versionedparcelable-1.1.1-runtime (androidx.versionedparcelable:versionedparcelable:1.1.1) and versionedparcelable-28.0.0-runtime (com.android.support:versionedparcelable:28.0.0) Go to the documentation to learn how to <a href="d.android.com/r/tools/classpath-sync-errors">Fix dependency resolution errors</a>. * Try: > Run with --stacktrace option to get the stack trace. > Run with --info or --debug option to get more log output. > Run with --scan to get full insights. ============================================================================== 3: Task failed with an exception. ----------- * What went wrong: Execution failed for task ':app:mergeDebugJavaResource'. > A failure occurred while executing com.android.build.gradle.internal.tasks.MergeJavaResWorkAction > 2 files found with path 'META-INF/androidx.core_core.version' from inputs: - C:\Users\wangsen\.gradle\caches\transforms-3\0b22a6b07b3e498281e2fdb9d93c9c6b\transformed\support-compat-28.0.0\jars\classes.jar - C:\Users\wangsen\.gradle\caches\transforms-3\0212d0c0c0b99c5d00c15a82a811f4d1\transformed\core-1.7.0\jars\classes.jar Adding a packagingOptions block may help, please refer to https://developer.android.com/reference/tools/gradle-api/7.4/com/android/build/api/dsl/ResourcesPackagingOptions for more information * Try: > Run with --stacktrace option to get the stack trace. > Run with --info or --debug option to get more log output. > Run with --scan to get full insights. ============================================================================== * Get more help at https://help.gradle.org BUILD FAILED in 436ms 22 actionable tasks: 3 executed, 19 up-to-date
最新发布
07-10
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