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--- products:sbc:vim1s:development:android:download-android-source-code [2022/07/17 21:50]
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+++ products:sbc:vim1s:development:android:download-android-source-code [2022/09/28 09:42] (current)
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+{{indexmenu_n>10}}
 ====== VIM1S Download Android Source Code ======
 ===== Introduction =====
+This document mainly introduces how to download the Android source code of VIM1S.
+===== Get Source Code =====
+Install git-lfs tool to download Android 11.0 SDK
+```shell
+$ sudo apt install git-lfs
+```
+. Create an empty directory to store working files
+```shell
+$ mkdir -p WORKING_DIRECTORY
+$ cd WORKING_DIRECTORY
+```
+. Run ''repo init'' to download the manifest repository first
+```shell
+$ repo init -u https://github.com/khadas/android_manifest.git -b khadas-vim1s-r
+```
+. Run ''repo sync'' to pull down the Android Source branch
+```shell
+$ repo sync -j4
+```
+It will take approx one hour to complete the initial sync operation.
+<WRAP info >
+You might need to run above command repeatly if it fails halfway. Or you can try with this script instead:
+```bash sync_helper.sh
+#!/bin/bash
+repo sync -j4
+while [ $? = 1 ]; do
+	echo "Sync failed, repeat again:"
+	repo sync -j4
+done
+```
+If needed, press ''Ctrl''+''C'' to quit.
+</WRAP>
+. Go to the following directory and execute the ''git lfs pull'' command to pull large files. Otherwise, compilation will report an [[https://forum.khadas.com/t/cannot-build-an-android/15886|error]].
+```shell
+vendor/amlogic/common
+device/khadas
+```
+```shell
+/users/vim1s_code$ cd vendor/amlogic/common
+/users/vim1s_code/vendor/amlogic/common$ git lfs pull
+Git LFS: (6 of 6 files) 239.31 MB / 239.31 MB
+/users/vim1s_code/vendor/amlogic/common$ cd -
+/users/vim1s_code
+/users/vim1s_code$ cd device/khadas/
+/users/vim1s_code/device/khadas$
+/users/vim1s_code/device/khadas$ git lfs pull
+Git LFS: (2 of 2 files) 231.89 MB / 231.89 MB
+```
+. Begin a new branch for development
+```shell
+$ repo start <BRANCH_NAME> --all
+```
+===== Further Reading =====
+  * [[https://source.android.com/source/downloading.html|Android Official Documents]]
+  * [[products:sbc:vim1s:development:android:build-android|Build Android]]

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