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How to compile CyanogenMod for the Android Emulator.

This how-to was written for Ubuntu 10.04 & Ubuntu 10.10, Android Emulator r08, CyanogenMod 7.x (Gingerbread), on 2 February 2011.

• 1 Prepare the Build Environment
  • 1.1 Install the ADB
  • 1.2 Install the Build Packages
  • 1.3 Create the Directories
  • 1.4 Install the Repository
• 2 Download RomManager
• 3 Building CyanogenMod
  • 3.1 Check for updates
  • 3.2 Configure Build
  • 3.3 Compile
• 4 Install

Prepare the Build Environment NOTE: You only need to do these steps the first time you build. If you previously prepared your build environment, skip to Download RomManager. NOTE： 在准备开工之前，请务必确保硬盘工作空间不少于20G（最低不能低于15G），且不能是VFAT或NTFS格式。 Install the ADB Install the Android SDK. Install the Build Packages

Install using the package manager of your choice:

For 32-bit & 64-bit systems:

git-core gnupg flex bison gperf libsdl1.2-dev libesd0-dev libwxgtk2.6-dev squashfs-tools build-essential zip curl libncurses5-dev zlib1g-dev sun-java6-jdk pngcrush schedtools

NOTE：

FOR OPENSUSE ： bison flex gperf schedtool squashfs libesd-devel build libSDL-devel gcc-c++ java-1_6_0-sun java-1_6_0-sun-devel

For 64-bit only systems:

g++-multilib lib32z1-dev lib32ncurses5-dev lib32readline5-dev gcc-4.3-multilib g++-4.3-multilib

Note: On Ubuntu 10.10, and variants, you need to enable the parter repository to install sun-java6-jdk:

add-apt-repository "deb http://archive.canonical.com/ maverick partner" Create the Directories

You will need to set up some directories in your build environment.

To create them:

mkdir -p ~/bin mkdir -p ~/android/system Install the Repository

Enter the following to download make executable the "repo" binary:

curl https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo chmod a+x ~/bin/repoNOTE: You may need to reboot for these changes to take effect.

Now enter the following to initialize the repository:

cd ~/android/system/ repo init -u http://github.com/CyanogenMod/android.git -b gingerbread repo sync -j16
NOTE: 1、完整下载约5G多，下载过程不能断网； 2、实际表明，使用http连接方式获取代码更佳； 3、如果下载过程断链出错退出，或者手动kill过python进程，在执行sync之前需要删除临时文件： find .repo/ -name tmp* -exec rm {} \; 4、如果下载完成，长时间等待下面提示时;  Fetching projects: 98% (208/211)   则需要kill掉python进程，去掉 -j16 参数再次同步 repo sync 5、如果下载过程中报某个目录一直出错，则需删除该目录再同步 6、如果想少下载一些文件，则可以不下载针对具体设备的代码（可以减少下载2G左右的内容），方法如下： a. repo init 执行完毕后，编辑 .repo/manifest.xml 文件，注释掉device相关的projiect，如下
b. repo sync 完成后，编辑 vendor/cyanogen/products/AndroidProducts.mk  文件，只保留下面内容 PRODUCT_MAKEFILES := \     $(LOCAL_DIR)/cyanogen_generic.mk  7、如果在需认证的proxy（如公司网络）下同步，则请务必更新python版本到2.7，否则可能出错。 Download RomManager NOTE: This only needs to be done when an update to RomManager is released. If you are-up-to date, you may skip toBuilding CyanogenMod.

Download ROM Manager which is needed by the build:

cd ~/android/system/vendor/cyanogen/ ./get-rommanager Building CyanogenMod Check for updates

First, check for updates in the source:

cd ~/android/system/ repo sync Configure Build

Now, your environment must be configured to build specifically for the Android Emulator. To set up your build environment:

. build/envsetup.sh lunch cyanogen_generic-eng
NOTE: 1、新建shell进入工作目录之后都需要执行上述命令 2、如果想彻底重新编译，需执行 make clean 3、FOR OPENSUSE：    去掉OpenSuSE普通用户下执行envsetup.sh的提示：修改 schedtool 为 /usr/sbin/schedtool 即可。 function mka() {     case `uname -s` in         Darwin)             make -j `sysctl hw.ncpu|cut -d" " -f2` "$@"             ;;         *)             /usr/sbin/schedtool -B -n 1 -e ionice -n 1 make -j `cat /proc/cpuinfo | grep "^processor" | wc -l` "$@"             ;;     esac }

Compile

Next, we will build the actual ROM.

mka
NOTE： 1、参考编译时间：90min（ThinkPad T61 ,3GB RAM ） 2、编译出错处理（自己摸索的，非官方） 错误1：编译约1个小时后出现的： target Strip: libutils (out/target/product/generic/obj/lib/libutils.so) target Dex: QuickSearchBox frameworks/base/core/java/android/widget/VideoView.java:46: package com.ti.omap.omap_mm_library does not exist import com.ti.omap.omap_mm_library.OmapMMLibrary;                                   ^ frameworks/base/core/java/android/widget/VideoView.java:62: cannot find symbol symbol  : class OmapMMLibrary location: class android.widget.VideoView     private OmapMMLibrary mOmapMMHandle = null;             ^ frameworks/base/core/java/android/widget/VideoView.java:196: cannot find symbol symbol  : class OmapMMLibrary location: class android.widget.VideoView             mOmapMMHandle = new OmapMMLibrary();                                 ^ Note: Some input files use or override a deprecated API. Note: Recompile with -Xlint:deprecation for details. Note: Some input files use unchecked or unsafe operations. Note: Recompile with -Xlint:unchecked for details. 3 errors make: *** [out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/classes-full-debug.jar] Error 41 make: *** Waiting for unfinished jobs.... 错误分析和处理： 看起来是OmapMMLibrary的找不到，后来发现此代码在framework/base/omapmmlib中，修改 build/core/pathmap.mk的FRAMEWORKS_BASE_SUBDIRS，如下
FRAMEWORKS_BASE_SUBDIRS := \ $(addsuffix /java, \    core \    graphics \    location \    media \    opengl \    sax \    telephony \    wifi \    vpn \    keystore \    voip \    omapmmlib\ )

错误2：编译即将完成时出现的，此时system.img还未生成 Checking API: checkapi-last Checking API: checkapi-current (unknown): error 13: Class android.app.Profile changed final qualifier (unknown): error 13: Class android.app.ProfileGroup changed final qualifier (unknown): error 24: Method android.app.ProfileManager.getProfile has changed deprecation state (unknown): error 24: Method android.app.ProfileManager.setActiveProfile has changed deprecation state (unknown): error 3: Added class MultiSelectListPreference to package android.preference (unknown): error 4: Added public method android.app.Profile.getProfileGroup (unknown): error 4: Added public method android.app.Profile.getStatusBarIndicator (unknown): error 4: Added public method android.app.Profile.getUuid (unknown): error 4: Added public method android.app.Profile.setStatusBarIndicator (unknown): error 4: Added public method android.app.ProfileGroup.getUuid (unknown): error 4: Added public method android.app.ProfileManager.getProfile (unknown): error 4: Added public method android.app.ProfileManager.profileExists (unknown): error 4: Added public method android.app.ProfileManager.setActiveProfile (unknown): error 4: Added public method android.telephony.TelephonyManager.isDormancyRejected (unknown): error 4: Added public method android.telephony.TelephonyManager.setDormancyRejected (unknown): error 5: Added public field android.Manifest.permission.RAW_AUDIO (unknown): error 9: Removed public method android.app.Profile.getProfileGroup (unknown): error 9: Removed public method android.app.ProfileGroup.getName
****************************** You have tried to change the API from what has been previously approved.
To make these errors go away, you have two choices:    1) You can add "@hide" javadoc comments to the methods, etc. listed in the       errors above.
   2) You can update current.xml by executing the following command:          make update-api
      To submit the revised current.xml to the main Android repository,       you will need approval. ******************************


make: *** [out/target/common/obj/PACKAGING/checkapi-current-timestamp] Error 38 make: *** Waiting for unfinished jobs.... htmlDir not a directory: out/target/common/docs/gen DroidDoc took 252 sec. to write docs to out/target/common/docs/doc-comment-check
错误处理：执行一次 make update-api 后编译可以顺利完成。
Install

Create a folder called android-9-cyanogen on Your/Android-SDK/platforms/

Copy the contents of Your/Android-SDK/platforms/android-9 into Your/Android-SDK/platforms/android-9-cyanogen

Copy the ramdisk.img system.img and userdata.img file from ~/android/system/out/target/product/generic toYour/Android-SDK/platforms/android-9-cyanogen/images/

Run the Android AVD Manager and select the second Android 2.3 target.