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en:c2_building_android [2016/11/24 16:30] codewalker [Checkout full source code] |
en:c2_building_android [2017/06/27 09:13] odroid [Android] |
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| ====== Android ====== | ====== Android ====== | ||
| This page will introduce you how you can download and build Android source tree to customize it for your usage. | This page will introduce you how you can download and build Android source tree to customize it for your usage. | ||
| - | <WRAP center round important 60%> | + | <WRAP round important 60%> |
| If you have not built Android on your desktop yet, please read Android's official build environment set up guide [[https://source.android.com/source/initializing.html]] carefully before your proceed. Otherwise, you would have unexpected errors and exhaust to read quite long and complicated build log to find the problem.\\ | If you have not built Android on your desktop yet, please read Android's official build environment set up guide [[https://source.android.com/source/initializing.html]] carefully before your proceed. Otherwise, you would have unexpected errors and exhaust to read quite long and complicated build log to find the problem.\\ | ||
| </WRAP> | </WRAP> | ||
| - | <WRAP center round important 60%> | + | <WRAP round important 60%> |
| We've used only Ubuntu 14.04 64bit with 8GB RAM since other newer versions had some issues while building the Android OS. \\ | We've used only Ubuntu 14.04 64bit with 8GB RAM since other newer versions had some issues while building the Android OS. \\ | ||
| Android 5.x (Lollipop) build needs the OpenJDK 7 not the Oracle-Java-JDK.\\ | Android 5.x (Lollipop) build needs the OpenJDK 7 not the Oracle-Java-JDK.\\ | ||
| - | [[https://source.android.com/source/requirements.html]] | + | [[https://source.android.com/source/requirements.html]]\\ |
| + | If you want to compile Android system on Ubuntu 16.04 PC, refer this article. | ||
| + | [[https://magazine.odroid.com/wp-content/uploads/ODROID-Magazine-201610.pdf#page=26|Jörg's Article]] | ||
| </WRAP> | </WRAP> | ||
| - | <WRAP center round important 60%> | + | <WRAP round important 60%> |
| If you want to build full Android source tree, don't download & build the kernel source separately. \\ | If you want to build full Android source tree, don't download & build the kernel source separately. \\ | ||
| Separated Kernel build might break the Android build process. | Separated Kernel build might break the Android build process. | ||
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| </code> | </code> | ||
| You can replace the number on the command **make** for simultaneous compile as much as number of core on your build machine. But it should not to exceed 16, otherwise build would stop with an error. | You can replace the number on the command **make** for simultaneous compile as much as number of core on your build machine. But it should not to exceed 16, otherwise build would stop with an error. | ||
| - | ===== Download ===== | + | ===== Flashing images ===== |
| Once Android build is completed, you will have all necessary files to download into your MicroSD/eMMC. If you already have a boot media and can switch to **fastboot** mode is U-boot, you can proceed to update while executing below commands one by one or ignore particular steps. | Once Android build is completed, you will have all necessary files to download into your MicroSD/eMMC. If you already have a boot media and can switch to **fastboot** mode is U-boot, you can proceed to update while executing below commands one by one or ignore particular steps. | ||
| ==== Boot loader ==== | ==== Boot loader ==== | ||
