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--- en:c1_building_android [2016/08/02 10:51]
codewalker [Build]
+++ en:c1_building_android [2016/10/25 17:21] (current)
codewalker [Android kitkat]
@@ Line 2: / Line 2: @@
 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%>
-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. Also note that you need around 100GB of free space in your storage to get the full source code and binary space. At least 8GB of RAM is required.
+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. Also note that you need around 100GB of free space in your storage to get the full source code and binary space. At least 8GB of RAM is required. \\
+Android 5.x (Lollipop) build needs the OpenJDK 7 not the Oracle-Java-JDK.\\
+[[https://source.android.com/source/requirements.html]]
 </WRAP>
 ===== Toolchain =====
@@ Line 13: / Line 15: @@
 This command will initiate to download Android source tree for **ODROID-C1**.
 ==== Android kitkat ====
+=== 4.4.2 v3.2 ==
 <code>
 $ mkdir odroid-c1
 $ cd odroid-c1
 $ repo init -u https://github.com/hardkernel/android.git -b s805_4.4.2_master
+$ repo sync
+</code>
+=== 4.4.4 v3.3 ==
+<code>
+$ mkdir odroid-c1
+$ cd odroid-c1
+$ repo init -u https://github.com/hardkernel/android.git -b s805_4.4.4_master
 $ repo sync
 </code>
@@ Line 63: / Line 73: @@
 ==== Boot loader ====
 <code>
-$ sudo fastboot flash bootloader out/target/product/odroidc/u-boot.bin
+$ fastboot flash bootloader out/target/product/odroidc/u-boot.bin
 </code>
 ==== Linux kernel ====
 <code>
-$ sudo fastboot flash dtb out/target/product/odroidc/meson8b_odroidc.dtb
+$ fastboot flash dtb out/target/product/odroidc/meson8b_odroidc.dtb
-$ sudo fastboot flash boot out/target/product/odroidc/kernel
+$ fastboot flash boot out/target/product/odroidc/kernel
 </code>
 ==== Android ====
 These three files contains Linux utilities, Android frameworks and pre-installed Android applicatioins as well as necessary files to run Android. These three files will be flash into its own partition dedicated, please find [[http://odroid.com/dokuwiki/doku.php?id=en:c1_partition_table#android_partition_table|the partition table]] pre-defined for each partition's size.
+=== KitKat ===
 <code>
-$ sudo fastboot flash system out/target/product/odroidc/rootsystem.img
+$ fastboot flash system out/target/product/odroidc/rootsystem.img
-$ sudo fastboot flash userdata out/target/product/odroidc/userdata.img
+$ fastboot flash userdata out/target/product/odroidc/userdata.img
-$ sudo fastboot flash cache out/target/product/odroidc/cache.img
+$ fastboot flash cache out/target/product/odroidc/cache.img
+</code>
+=== Lollipop ===
+<code>
+$ fastboot flash system out/target/product/odroidc/rootsystem.img
+$ fastboot flash cache out/target/product/odroidc/cache.img
 </code>
 ==== Misc ====
 These file are not mandatory for Android to use, but useful for further features. **recovery.img** helps you to update Android system, **ODROID-C1** use this for installatioin. **hardkernel-720.bmp** is to show a logo on your HDMI display on boot and disappear when Android display subsystem is initiated.
+=== Kikkat ===
+<code>
+$ fastboot flash recovery out/target/product/odroidc/recovery.img
+$ fastboot flash logo out/target/product/odroidc/hardkernel-720.bmp
+</code>
+=== Lollipop ===
 <code>
-$ sudo fastboot flash recovery out/target/product/odroidc/recovery.img
+$ fastboot flash recovery out/target/product/odroidc/recovery.img
-$ sudo fastboot flash logo out/target/product/odroidc/hardkernel-720.bmp
+$ fastboot flash logo out/target/product/odroidc/hardkernel-720.bmp.gz
 </code>
 ===== How to create Android bootable media with empty MicroSD/eMMC =====