uki 08:04 ~ $ adb shell dumpsys window displays | grep dpi
init=1440x2880 560dpi base=1440x2880 476dpi cur=1440x2880 app=1440x2737 rng=1440x1357-2737x2654
Android screen size and dpi
Often, when working on particular device, you need to find out exact screen dimensions and dpi:
Resizing Mac APFS disk to create a case-sensitive HFS (hfsx) for Linux sharing and Android builds
Resizing Mac APFS 500Gb to 350Gb and creating HFSx (case-sensitive) for AOSP building.
$ sudo diskutil apfs resizeContainer disk0s2 250g hfsx REPO 0b
..
Shrinking APFS Physical Store disk0s2 from 499,963,170,816 to 249,999,998,976 bytes
Shrinking APFS data structures
[ \ 0%..10%..20%..30%..40%............................... ] 47% 0:00:02
..
..
Initialized /dev/rdisk0s3 as a 233 GB case-sensitive HFS Plus volume
Mounting disk
1 new disk created or changed due to APFS operation
Disk from APFS operation: disk0s3
Finished APFS operation
uki 192.168.1.7 13:16 ~ $ diskutil list
/dev/disk0 (internal):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme 500.3 GB disk0
1: EFI EFI 314.6 MB disk0s1
2: Apple_APFS Container disk1 250.0 GB disk0s2
3: Apple_HFS REPO 249.8 GB disk0s3
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +250.0 GB disk1
Physical Store disk0s2
1: APFS Volume SYSTEM 220.6 GB disk1s1
2: APFS Volume Preboot 22.3 MB disk1s2
3: APFS Volume Recovery 509.8 MB disk1s3
4: APFS Volume VM 1.1 GB disk1s4
REFERENCE:
http://www.peachpit.com/articles/article.aspx?p=1403238
https://www.macobserver.com/tips/deep-dive/resize-your-apfs-container/
Mac case-sensitive
Mac, for some idiotic reason is not case sensitive anymore:
In order to work with source code I tried few things, such as USC-C SSD drive formated as case-sensitive, bu tit is too slow.
So I created a new case-sensitive APSF partition using DiskUtility.
$ echo 'You should see this assigned to abc' > abc ; echo 'and not only this printed twice' > ABC ; cat abc ABC
and not only this printed twice
and not only this printed twice
In order to work with source code I tried few things, such as USC-C SSD drive formated as case-sensitive, bu tit is too slow.
So I created a new case-sensitive APSF partition using DiskUtility.
$ cd /Volumes/REPO
REPO $ echo 'You should see this assigned to abc' > abc ; echo 'and not only this printed twice' > ABC ; cat abc ABC
You should see this assigned to abc
and not only this printed twice
Building and Installing Android AOSP
In these notes, I will document few things:
1) Building newest AOSP for the HiKey SBC
2) Installing new image in Android Studio Emulator
3) Installing Android Pie preview of Android "Tiamen" (a Siberian fish, the picture is shown below) on Pixel 2 XL.
General Info about the AOSP
read general info:
Preview Images
https://developer.android.com/preview/download.html#imagesAndroid P (pie) image:
taimen-ppp1.180208.014-factory-8e44f67a.zip
Emulator running preview:
Factory Images
Hikey960 binaries for Android 8.0.0 (20171017) ARM:
Hardware specific Binaries
Pixel 2 XL binaries for Android 8.1.0 (OPM1.171019.021)
Google (Vendor Image):
Qualcomm (GPS, Audio, Camera, Gestures, Graphics, DRM, Video, Sensors)
https://dl.google.com/dl/android/aosp/google_devices-taimen-opm1.171019.021-66c50345.tgz
AOSP building
Reference AOSP Development Boards (e.g. HiKey)
Kernel:
$ git clone https://android.googlesource.com/kernel/hikey-linaro android-hikey-linaro
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