Here we take Forlinx OKMX6Q-S2 for demonstration, system version is Android4.4.2

1. iMX6Q Android Uboot 3 seconds latency

Question:

when iMX6Q Android system boots, there's a 3-second latency, how to change it?

Android source codes are all open to users, users can change uboot code to change the latency:

bootable/bootloader/uboot-imx/include/configs/mx6q_sabresd.h(line 113)

--------------------

-#define CONFIG_BOOTDELAY   3

+#define CONFIG_BOOTDELAY   0

--------------------

2. Build up Ubuntu environment for iMX6 Android system but fail to enter system

Question:

when we build up i.MX6 Android development environment, all necessary packs are installed and restart Ubuntu, but still can not enter system that suspended at Ubuntu interface

Analyse:

generally, this is caused by imcompatibility between graphic and video libs with PC

Solution:

do not install below four packs when installing necessary packs:

x11proto-core-dev

libx11-dev:i386

libgl1-mesa-dri:i386

libgl1-mesa-dev

3. How to change i.MX6Q Android 4.4.2 system default language?

<?xml:namespace prefix = "o" /> path: \build\target\product\languages_full.mk

PRODUCT_LOCALES := zh_TW zh_CN zh_HK en_US en_IN en_GB  fr_FR it_IT es_ES et_EE de_DE nl_NL cs_CZ pl_PL ja_JP ru_RU ko_KR nb_NO es_US da_DK el_GR tr_TR pt_PT pt_BR rm_CH sv_SE bg_BG ca_ES fi_FI hi_IN hr_HR hu_HU in_ID iw_IL lt_LT lv_LV ro_RO sk_SK sl_SI sr_RS uk_UA vi_VN tl_PH ar_EG fa_IR th_TH sw_TZ ms_MY af_ZA zu_ZA am_ET hi_IN en_XA ar_XB fr_CA km_KH lo_LA ne_NP si_LK mn_MN hy_AM az_AZ ka_GE  

put three kinds of English(en_US en_IN en_GB) at the very beginning, and then compile and flash it to board then we can get English system language

4. How to set Android APP auto-to-run?

Add below red part to AndroidManfest.xml

<intent-filter>

<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" /> 

<category android:name="android.intent.category.HOME" />

<category android:name="android.intent.category.DEFAULT" />

</intent-filter>

i.MX6Q single board computer http://www.forlinx.net/product/imx6quad-35.html