book

Learning Embedded Android N Programming

by Ivan Morgillo, Stefano Viola

July 2016

Beginner to intermediate

282 pages

6h 12m

English

Packt Publishing

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What this book covers

Downloading the example codeErrataPiracyQuestions
An overview of the Android systemLinux kernelHardware abstraction layer – HALLibraries and the application frameworkLibrariesThe application frameworkBinder IPCThe application layer
The Android Compatibility Definition DocumentDevice typesSoftware compatibility
Native APIMaintaining 32-bit support
The Android runtimeA new old approach – AOT compilationGarbage collection and other improvementsWaiting for Android Nougat
CTS setupDevice setupMedia files setupRun!Analyzing the test results
SetupManual testingRetrieving the results
The Android philosophyThe licenseOpen source, closed doorsThe Android development modelSource code tags and buildsNexusPhonesTabletsDigital media playersSource code toolsGitRepoGerrit
Free space
Downloading the codeHands on the code
The ART directoryThe bionic directoryThe build directoryThe external directoryThe device directoryThe frameworks directoryThe out directoryThe packages directoryThe system directoryThe rest of the directory structure
Preparing the host systemHardware requirementsSoftware requirementsInstalling Java JDKInstalling system dependenciesSetting up a Mac OS X environmentCreating a case-sensitive disk imageInstalling the required software
An overviewBootstrapSetupThe TARGET_PRODUCT variableThe TARGET_BUILD_VARIANT variableThe TARGET_BUILD_TYPE variableThe TARGET_TOOLS_PREFIX variableThe OUT_DIR variableThe TARGET_PREBUILT_KERNEL variableThe buildspec.mk fileThe lunch commandBuilding the systemMore about makeBuilding a moduleCleaning a moduleCleaning everythingListing modulesRecreating an imageBuilding toolsBeyond the system imageAndroid SDKAndroid NDKAndroid CTSInside an AOSP moduleDiving into Android.mkAndroid.mk variables ecosystemThe LOCAL_ variablesThe BUILD_ variablesModule template examplesThe native executable templateThe shared library templateThe application template
Diving into device configuration
SetupBuildRun
Debugging toolsIntroducing ADBPushing files to devicesPulling files from devicesInstalling Android APK filesLogcatFastboot
Hardware architecturesMinimum requirementsSystem on Chip – SoCThe baseband processorOur hardware choiceMotorola Nexus 6UDOO Quad
Nexus 6UDOO QuadSetupBootloaderSystemKernel
Nexus devicesUDOO family boards
Nexus 6UDOO
An overview of the Linux kernelObtaining the kernelRetrieving the kernel's binary versionObtaining the kernel source code
Getting the toolchain
An overview of the governors
Creating the boot imageUpgrading the new boot image
Internal ROM – biosAn overview of bootloaderThe kernelThe Init processThe Android init languageActionsServicesOptionsTriggersCommandsImports
History of custom ROMsCyanogenmodBuilding CyanogenmodInstalling a pre-build versionThe Android Open Kang ProjectInstalling AOKPMinor ROMsOverview of OEM customizationsSamsung – TouchWizHuawei EMUIHTC SenseLG Optimus UIXiaomi MIUI
Diving into Android recoveryInstalling an alternative recoveryClockworkmodTWRP – Team Win Recovery ProjectConnecting to the recovery shell using ADB
Root accessSuperSuObtaining root access
Preparing the environmentAndroid kitchenOther developers' toolsManipulating DEX files with APKTool
Gathering the ingredientsDumping system partitionsModifying an Android system binary imageModifying an Android binary boot image
Receiving over the air updates – OTAUpdating the whole systemUpdating the system incrementallyApplying a single component update
OTA internalsEdify syntaxOTA for custom ROM
ROM customization from binaryCustomizing ROM from sourceAdding new packages to Android's build systemAdding a package by binaryAdding packages by source code
Customizing the boot sequence UICustomizing the Android Settings menu
Customizing the system property fileAdding a custom init sequence
Diving into CPU frequency managementAdding a custom CPU frequency governorExploring I/O schedulers
Meeting ArduinoAndroid ADKUsing UDOO as an all-in-one ADK deviceGetting readyFlashing the Arduino boardCreating the Android app
Android AutoAndroid Wear
MultimediaToys

Content preview from Learning Embedded Android N Programming

Chapter 7. Tailoring Your Personal Android System

In the previous chapter, you learned about the most popular custom Android ROMs. We started to dive deep and analyze those parts of the system involved in the modding process, to effectively understand where to customize and how to do it, mastering the Android modding toolset.

In this chapter, we will go even further, diving deeper into every single aspect of a ROM, using practical examples to show how to customize and increase the performance of your ROM.

The main topics of this chapter are:

Hacking the Android framework
Adding new Android applications to the build system
Adding new Linux-native apps, using the Android source code, or editing an existing binary ROM image
Optimizing the system to better ...

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Publisher Resources

ISBN: 9781785282881Supplemental Content