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AFE

2016-02-23 15:22:05   0  举报

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AFE（Analog Front End）是模拟前端的缩写，它是芯片中负责处理模拟信号的部分。AFE通常包括放大器、滤波器、ADC等组件，用于对传感器采集到的模拟信号进行放大、滤波和数字化处理。AFE在许多应用中都发挥着重要作用，例如智能手机中的音频和视频处理、汽车电子中的传感器信号处理等。随着物联网和5G技术的发展，AFE的需求也在不断增长。它将继续为我们的生活带来更多便利和创新。

作者其他创作

大纲/内容

IntentFilterVerificationInfo

+ mDomains:ArraySet()- mPackageName:String- mMainStatus:int

SettingBase

+ pkgFlags:int- pkgPrivateFlags: int

+ getPermissionsState() : return PermissionsState- setFlags(int pkgFlags) - setPrivateFlags(int pkgPrivateFlags)

VersionInfo

+ sdkVersion:int- databaseVersion:int- fingerprint:int

+forceCurrent()

SharedUserSetting

+ name:String- userId:int- uidFlags:int- uidPrivateFlags:int- packages:ArraySet()- signatures:PackageSignatures

+ removePackage(PackageSetting packageSetting)- addPackage(PackageSetting packageSetting)

PreferredIntentResolver

PackageUserState

+ stopped:boolean- notLaunched:boolean- installed:boolean- hidden:boolean- enabled:boolean- blockUninstall:boolean- lastDisableAppCaller:String- disabledComponents:ArraySet- enabledComponents:ArraySet- domainVerificationStatusint- appLinkGeneration:int

PackageSetting

+ appId:int- pkg:PackageParser.Package- sharedUser:SharedUserSetting

+ getPermissionsState() : return PermissionsState- isPrivileged():boolean- isForwardLocked():boolean- isSystem(): boolean- isSharedUser(): boolean

RuntimePermissionPersistence

+ mHandler:MyHandler()- mLock:Object- mWriteScheduled:SparseBooleanArray()- mLastNotWrittenMutationTimesMillis:SparseLongArray()- mFingerprints:SparseArray()- mDefaultPermissionsGranted:SparseBooleanArray()

IntentResolver

Settings

Signature

+ mSignature:byte[]- mHashCode:int- mHaveHashCode:boolean- mStringRef:SoftReference- mCertificateChain:Certificate[]

PackageKeySetData

+ setProperSigningKeySet(long ks)- getProperSigningKeySet(): return long- addUpgradeKeySet(String alias)- addUpgradeKeySetById(long ks) - removeAllUpgradeKeySets()- getUpgradeKeySets(): return long[]

PackageSettingBase

+ name:String- realName:String- codePath:File- codePathString:String- resourcePath:File- resourcePathString:String- legacyNativeLibraryPathString:String- primaryCpuAbiString:String- secondaryCpuAbiString:String- cpuAbiOverrideString:String- timeStamp:long- firstInstallTime:long- lastUpdateTime:long- versionCode:long- uidError:int- signatures PackageSignatures()- installPermissionsFixed:boolean- keySetData:PackageKeySetData- DEFAULT_USER_STATE:PackageUserState- userState:SparseArray()- installStatus:int=PKG_INSTALL_COMPLETE=1- frozen:boolean=false- origPackage:PackageSettingBase- installerPackageName:String- volumeUuid:String- verificationInfo:IntentFilterVerificationInfo

+ getPermissionsState() : return PermissionsState- setInstallerPackageName(String packageName)- getInstallerPackageName() : return String- setVolumeUuid(String volumeUuid)- getVolumeUuid() : return String- setInstallStatus(int newStatus) - getInstallStatus()- setTimeStamp(long newStamp)- copyFrom(PackageSettingBase base)

PackageSignatures

+ mSignatures:Signature[]