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You can use scripts aosp-test.bat/cm-test.bat to test AOSP or CyanogenMod in Windows, or aosp-bin.sh/cm-test.sh to test in Linux or OS X. You can find the files listed in the following table in either aosp-bin.zip or cm-bin.zip. After decompression, check the contents inside the packages: $ ls -F imagesĪosp-bin/ aosp-bin.zip cm-bin/ cm-bin.zipĪosp-test.bat ramdisk.img system.img userdata.imgĬm-test.bat ramdisk.img system.img userdata.img Next, you need to decompress the packages. This article demonstrates the setup in Ubuntu Linux 12.04.Īfter downloading these two packages, put them in a folder called images under your home folder: $ ls images You can test these two packages using your Android SDK installation, which means you can test them in Windows, Linux, or OS X environments.
INSTALL ANDROID EMULATOR FROM IMAGE INSTALL
To test it, you need to download the Android software development kit (SDK) and install Android emulator images for API level 19. The information in this article will help Android system developers and application developers to work with test cases that need a bootloader in the Android emulator environment.ĬyanogenMod is a popular third-party Android ROM.īoth packages are built for KitKat (Android version 4.4.4 and API level 19).
INSTALL ANDROID EMULATOR FROM IMAGE HOW TO
Instead, we'll focus on how to use the U-Boot available in my book Embedded Programming with Android: Bringing Up an Android System from Scratch to design different usage scenarios for the Android emulator. This article will not discuss on how to port U-Boot to the Android emulator or how to build it for the Android emulator. With a bootloader, you shouldn't have any problems testing recovery mode in the emulator environment. For example, testing and debugging issues related to recovery mode is almost impossible in the emulator environment. Using U-Boot, Android system developers and application developers can gain the flexibility to manipulate the Android emulator system image. Let's take a look at the details of how to use U-Boot in the Android emulator environment. However, no bootloader is available in the Android emulator environment, which Android application developers use most of the time. As an Android application developer, you might use it to enter recovery mode or to restore the factory default settings for your testing devices. Android system developers often use it to boot various Android-based embedded systems.
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U-Boot is a popular bootloader used in many embedded applications. In this article, I address how to use U-Boot to boot an Android emulator image. How can you get started with something you already have on hand? The Android emulator is actually a good choice, even for system-level programming. To explore embedded system programming or Android system programming, you will need a hardware board, but the hardware might not always be available. Embedded Programming with Android: Bringing Up an Android System from Scratchĭo you have difficulties with debugging U-Boot on an Android device in your project? Are you wondering how to start the Android system from scratch? These are common puzzles in the areas of Android system programming. Now we simply fire up the emulator and start using our content. Target 2 means that we want to use the 1.5 API features in the device. android create avd -name myAVD -target 2 -sdcard my128MbCard
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To create a new AVD using our newly created SDcard image run the following. Google added something called Android Virtual Device (AVD) to the SDK 1.5. When you are done copying your files be sure to umount the card otherwise it will not be usable from the emulator. You could of course add any content to the card. Images and videos are located in a folder called /dcim/Camera. With content we usually mean media content like images and videos. Then mount the card as a loopback device: sudo mount -o loop my128MbCard /media/mycard It will then simply appear as a folder in the filesystem.įirst make a directory in the /media folder: sudo mkdir /media/mycard To be able to put content on to the card you can mount the card in Linux. To create a 128Mb SD card with the name my128MbCard. In both the 1.1 and 1.5 version of the SDK there is a tool called mksdcard located in the SDK Install Dir/tools folder. I’ll try to give a brief walk through of the steps needed to create a SD card image, mount the image in Linux, put content on it and use it in the emulator. Working with external storage in the Android emulator could be a little tricky and the documentation is not easy to find.